NOAA SWPC Alerts, Watches en Waarschuwingen

Het National Oceanic and Atmospheric Administration Space Weather Prediction Center (NOAA SWPC) is de officiële ruimteweer instantie van de Verenigde Staten die alerts, watches en waarschuwingen verstuurd met betrekking tot het ruimteweer. Hieronder zal je de meest recente ruimteweer alerts, watches en waarschuwingen vinden van het NOAA SWPC.

vrijdag 24 november 2017

11:20 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2712
Issue Time: 2017 Nov 24 1120 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2711
Begin Time: 2017 Nov 22 1020 UTC
Yesterday Maximum 2MeV Flux: 4658 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

donderdag 23 november 2017

09:35 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2711
Issue Time: 2017 Nov 23 0935 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2710
Begin Time: 2017 Nov 22 1020 UTC
Yesterday Maximum 2MeV Flux: 2743 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

woensdag 22 november 2017

10:37 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2710
Issue Time: 2017 Nov 22 1037 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2017 Nov 22 1020 UTC
Station: GOES13
 

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

dinsdag 21 november 2017

22:43 UTC

Space Weather Message Code: WARK04
Serial Number: 3381
Issue Time: 2017 Nov 21 2243 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3380
Valid From: 2017 Nov 20 2320 UTC
Now Valid Until: 2017 Nov 22 0600 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

22:42 UTC

Space Weather Message Code: WARK05
Serial Number: 1442
Issue Time: 2017 Nov 21 2242 UTC

CANCEL WARNING: Geomagnetic K-index of 5 expected
Cancel Serial Number: 1441
Original Issue Time: 2017 Nov 21 0434 UTC

Comment: G1 Warrning extension issued by mistake.  

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

22:40 UTC

Space Weather Message Code: WARK05
Serial Number: 1441
Issue Time: 2017 Nov 21 2240 UTC

EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1440
Valid From: 2017 Nov 21 0432 UTC
Now Valid Until: 2017 Nov 22 0600 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

11:48 UTC

Space Weather Message Code: WARK05
Serial Number: 1440
Issue Time: 2017 Nov 21 1148 UTC

EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1439
Valid From: 2017 Nov 21 0432 UTC
Now Valid Until: 2017 Nov 21 1800 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

11:48 UTC

Space Weather Message Code: WARK04
Serial Number: 3380
Issue Time: 2017 Nov 21 1148 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3379
Valid From: 2017 Nov 20 2320 UTC
Now Valid Until: 2017 Nov 21 2359 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

08:25 UTC

Space Weather Message Code: ALTK05
Serial Number: 1200
Issue Time: 2017 Nov 21 0825 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2017 Nov 21 0825 UTC
Synoptic Period: 0600-0900 UTC
 
Active Warning: Yes
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

05:31 UTC

Space Weather Message Code: ALTK05
Serial Number: 1199
Issue Time: 2017 Nov 21 0531 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2017 Nov 21 0530 UTC
Synoptic Period: 0300-0600 UTC
 
Active Warning: Yes
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

04:34 UTC

Space Weather Message Code: WARK05
Serial Number: 1439
Issue Time: 2017 Nov 21 0434 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2017 Nov 21 0432 UTC
Valid To: 2017 Nov 21 1200 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

04:34 UTC

Space Weather Message Code: WARK04
Serial Number: 3379
Issue Time: 2017 Nov 21 0434 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3378
Valid From: 2017 Nov 20 2320 UTC
Now Valid Until: 2017 Nov 21 1500 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

maandag 20 november 2017

23:40 UTC

Space Weather Message Code: ALTK04
Serial Number: 2018
Issue Time: 2017 Nov 20 2340 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2017 Nov 20 2340 UTC
Synoptic Period: 2100-2400 UTC
 
Active Warning: Yes

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

23:18 UTC

Space Weather Message Code: WARK04
Serial Number: 3378
Issue Time: 2017 Nov 20 2318 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2017 Nov 20 2320 UTC
Valid To: 2017 Nov 21 0600 UTC
Warning Condition: Onset

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

14:13 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2709
Issue Time: 2017 Nov 20 1413 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2708
Begin Time: 2017 Nov 17 1150 UTC
Yesterday Maximum 2MeV Flux: 1481 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

13:30 UTC

Space Weather Message Code: WARK04
Serial Number: 3377
Issue Time: 2017 Nov 20 1330 UTC

CANCEL WARNING: Geomagnetic K-index of 4 expected
Cancel Serial Number: 3376
Original Issue Time: 2017 Nov 20 1301 UTC

Comment: Conditions no longer a potential for near storm activity

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

13:01 UTC

Space Weather Message Code: WARK04
Serial Number: 3376
Issue Time: 2017 Nov 20 1301 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2017 Nov 20 1300 UTC
Valid To: 2017 Nov 20 2100 UTC
Warning Condition: Onset

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

zondag 19 november 2017

13:16 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2708
Issue Time: 2017 Nov 19 1316 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2707
Begin Time: 2017 Nov 17 1150 UTC
Yesterday Maximum 2MeV Flux: 2356 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

zaterdag 18 november 2017

11:36 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2707
Issue Time: 2017 Nov 18 1136 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2706
Begin Time: 2017 Nov 17 1150 UTC
Yesterday Maximum 2MeV Flux: 2332 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

vrijdag 17 november 2017

12:07 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2706
Issue Time: 2017 Nov 17 1207 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2017 Nov 17 1150 UTC
Station: GOES-13
 

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

donderdag 16 november 2017

05:01 UTC

Space Weather Message Code: WARK05
Serial Number: 1438
Issue Time: 2017 Nov 16 0501 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2017 Nov 16 0500 UTC
Valid To: 2017 Nov 16 1200 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

02:55 UTC

Space Weather Message Code: WARK04
Serial Number: 3375
Issue Time: 2017 Nov 16 0255 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3374
Valid From: 2017 Nov 15 1610 UTC
Now Valid Until: 2017 Nov 16 1200 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

woensdag 15 november 2017

20:50 UTC

Space Weather Message Code: WARK04
Serial Number: 3374
Issue Time: 2017 Nov 15 2050 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3373
Valid From: 2017 Nov 15 1610 UTC
Now Valid Until: 2017 Nov 16 0300 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

18:00 UTC

Space Weather Message Code: ALTK04
Serial Number: 2017
Issue Time: 2017 Nov 15 1800 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2017 Nov 15 1759 UTC
Synoptic Period: 1500-1800 UTC
 
Active Warning: Yes

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

16:10 UTC

Space Weather Message Code: WARK04
Serial Number: 3373
Issue Time: 2017 Nov 15 1610 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2017 Nov 15 1610 UTC
Valid To: 2017 Nov 15 2100 UTC
Warning Condition: Onset

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

12:01 UTC

Space Weather Message Code: ALTK04
Serial Number: 2016
Issue Time: 2017 Nov 15 1201 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2017 Nov 15 1159 UTC
Synoptic Period: 0900-1200 UTC
 
Active Warning: Yes

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

11:11 UTC

Space Weather Message Code: WARK04
Serial Number: 3372
Issue Time: 2017 Nov 15 1111 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2017 Nov 15 1110 UTC
Valid To: 2017 Nov 15 1500 UTC
Warning Condition: Onset

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

09:05 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2705
Issue Time: 2017 Nov 15 0905 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2704
Begin Time: 2017 Nov 08 1100 UTC
Yesterday Maximum 2MeV Flux: 12790 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

dinsdag 14 november 2017

16:02 UTC

Space Weather Message Code: WARK04
Serial Number: 3371
Issue Time: 2017 Nov 14 1602 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2017 Nov 14 1603 UTC
Valid To: 2017 Nov 14 2100 UTC
Warning Condition: Onset

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

06:06 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2704
Issue Time: 2017 Nov 14 0606 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2703
Begin Time: 2017 Nov 08 1100 UTC
Yesterday Maximum 2MeV Flux: 20582 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

maandag 13 november 2017

05:00 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2703
Issue Time: 2017 Nov 13 0500 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2702
Begin Time: 2017 Nov 08 1100 UTC
Yesterday Maximum 2MeV Flux: 23581 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

zondag 12 november 2017

05:01 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2702
Issue Time: 2017 Nov 12 0501 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2701
Begin Time: 2017 Nov 08 1100 UTC
Yesterday Maximum 2MeV Flux: 25349 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

zaterdag 11 november 2017

11:57 UTC

Space Weather Message Code: WATA20
Serial Number: 809
Issue Time: 2017 Nov 11 1157 UTC

CANCEL WATCH: Geomagnetic Storm Category G1 Predicted
Cancel Serial Number: 808
Original Issue Time: 2017 Nov 08 2037 UTC

Comment: Current solar wind conditions no longer warrant G1 (Minor) geomagnetic storm levels.

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

11:53 UTC

Space Weather Message Code: WARK04
Serial Number: 3370
Issue Time: 2017 Nov 11 1153 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3369
Valid From: 2017 Nov 09 1615 UTC
Now Valid Until: 2017 Nov 11 1800 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

05:01 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2701
Issue Time: 2017 Nov 11 0501 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2700
Begin Time: 2017 Nov 08 1100 UTC
Yesterday Maximum 2MeV Flux: 17454 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

vrijdag 10 november 2017

16:50 UTC

Space Weather Message Code: WARK04
Serial Number: 3369
Issue Time: 2017 Nov 10 1650 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3368
Valid From: 2017 Nov 09 1615 UTC
Now Valid Until: 2017 Nov 11 1200 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

15:02 UTC

Space Weather Message Code: ALTK04
Serial Number: 2015
Issue Time: 2017 Nov 10 1502 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2017 Nov 10 1459 UTC
Synoptic Period: 1200-1500 UTC
 
Active Warning: Yes

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

05:00 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2700
Issue Time: 2017 Nov 10 0500 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2699
Begin Time: 2017 Nov 08 1100 UTC
Yesterday Maximum 2MeV Flux: 20292 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

donderdag 09 november 2017

23:28 UTC

Space Weather Message Code: WARK04
Serial Number: 3368
Issue Time: 2017 Nov 09 2328 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3367
Valid From: 2017 Nov 09 1615 UTC
Now Valid Until: 2017 Nov 10 1800 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

17:43 UTC

Space Weather Message Code: ALTK04
Serial Number: 2014
Issue Time: 2017 Nov 09 1743 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2017 Nov 09 1735 UTC
Synoptic Period: 1500-1800 UTC
 
Active Warning: Yes

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

16:13 UTC

Space Weather Message Code: WARK04
Serial Number: 3367
Issue Time: 2017 Nov 09 1613 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2017 Nov 09 1615 UTC
Valid To: 2017 Nov 09 2359 UTC
Warning Condition: Onset

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

07:55 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2699
Issue Time: 2017 Nov 09 0755 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2698
Begin Time: 2017 Nov 08 1100 UTC
Yesterday Maximum 2MeV Flux: 2067 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

05:55 UTC

Space Weather Message Code: WARK04
Serial Number: 3366
Issue Time: 2017 Nov 09 0555 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3365
Valid From: 2017 Nov 07 0315 UTC
Now Valid Until: 2017 Nov 09 1500 UTC
Warning Condition: persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

woensdag 08 november 2017

23:59 UTC

Space Weather Message Code: ALTK05
Serial Number: 1198
Issue Time: 2017 Nov 08 2359 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2017 Nov 08 2359 UTC
Synoptic Period: 2100-2400 UTC
 
Active Warning: Yes
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

20:37 UTC

Space Weather Message Code: WATA20
Serial Number: 808
Issue Time: 2017 Nov 08 2037 UTC

WATCH: Geomagnetic Storm Category G1 Predicted

Highest Storm Level Predicted by Day:
Nov 09:  G1 (Minor)   Nov 10:  G1 (Minor)   Nov 11:  G1 (Minor)

THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

18:02 UTC

Space Weather Message Code: ALTK05
Serial Number: 1197
Issue Time: 2017 Nov 08 1802 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2017 Nov 08 1758 UTC
Synoptic Period: 1800-2100 UTC
 
Active Warning: Yes
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

17:40 UTC

Space Weather Message Code: WARK05
Serial Number: 1437
Issue Time: 2017 Nov 08 1740 UTC

EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1436
Valid From: 2017 Nov 07 0745 UTC
Now Valid Until: 2017 Nov 09 0300 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

17:40 UTC

Space Weather Message Code: WARK04
Serial Number: 3365
Issue Time: 2017 Nov 08 1740 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3364
Valid From: 2017 Nov 07 0315 UTC
Now Valid Until: 2017 Nov 09 0600 UTC
Warning Condition: persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

13:42 UTC

Space Weather Message Code: ALTK05
Serial Number: 1196
Issue Time: 2017 Nov 08 1342 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2017 Nov 08 1339 UTC
Synoptic Period: 1200-1500 UTC
 
Active Warning: Yes
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

11:18 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2698
Issue Time: 2017 Nov 08 1118 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2017 Nov 08 1100 UTC
Station: GOES13
 

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

10:10 UTC

Space Weather Message Code: WARK05
Serial Number: 1436
Issue Time: 2017 Nov 08 1010 UTC

EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1435
Valid From: 2017 Nov 07 0745 UTC
Now Valid Until: 2017 Nov 08 1800 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

10:10 UTC

Space Weather Message Code: WARK04
Serial Number: 3364
Issue Time: 2017 Nov 08 1010 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3363
Valid From: 2017 Nov 07 0315 UTC
Now Valid Until: 2017 Nov 08 2100 UTC
Warning Condition: persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

10:05 UTC

Space Weather Message Code: ALTK05
Serial Number: 1195
Issue Time: 2017 Nov 08 1005 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2017 Nov 08 1005 UTC
Synoptic Period: 0900-1200 UTC
 
Active Warning: Yes
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

04:30 UTC

Space Weather Message Code: ALTK06
Serial Number: 458
Issue Time: 2017 Nov 08 0430 UTC

ALERT: Geomagnetic K-index of 6
Threshold Reached: 2017 Nov 08 0429 UTC
Synoptic Period: 0300-0600 UTC
 
Active Warning: Yes
NOAA Scale: G2 - Moderate

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude.
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.

04:06 UTC

Space Weather Message Code: ALTK05
Serial Number: 1194
Issue Time: 2017 Nov 08 0406 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2017 Nov 08 0405 UTC
Synoptic Period: 0300-0600 UTC
 
Active Warning: Yes
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

02:31 UTC

Space Weather Message Code: ALTK06
Serial Number: 457
Issue Time: 2017 Nov 08 0231 UTC

ALERT: Geomagnetic K-index of 6
Threshold Reached: 2017 Nov 08 0230 UTC
Synoptic Period: 0000-0300 UTC
 
Active Warning: Yes
NOAA Scale: G2 - Moderate

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude.
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.

01:48 UTC

Space Weather Message Code: ALTK05
Serial Number: 1193
Issue Time: 2017 Nov 08 0148 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2017 Nov 08 0147 UTC
Synoptic Period: 0000-0300 UTC
 
Active Warning: Yes
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

dinsdag 07 november 2017

23:40 UTC

Space Weather Message Code: WARK04
Serial Number: 3363
Issue Time: 2017 Nov 07 2340 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3362
Valid From: 2017 Nov 07 0315 UTC
Now Valid Until: 2017 Nov 08 1500 UTC
Warning Condition: persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

23:17 UTC

Space Weather Message Code: ALTK06
Serial Number: 456
Issue Time: 2017 Nov 07 2317 UTC

ALERT: Geomagnetic K-index of 6
Threshold Reached: 2017 Nov 07 2317 UTC
Synoptic Period: 2100-2400 UTC
 
Active Warning: Yes
NOAA Scale: G2 - Moderate

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude.
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.

23:16 UTC

Space Weather Message Code: WARK05
Serial Number: 1435
Issue Time: 2017 Nov 07 2316 UTC

EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1434
Valid From: 2017 Nov 07 0745 UTC
Now Valid Until: 2017 Nov 08 1200 UTC
Warning Condition: Persistence

Comment: This is a correction to the previous G1 extension.  New ending valid time is on 08 Nov 2017 @ 1200 UTC, not 07 Nov.

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

23:04 UTC

Space Weather Message Code: WARK05
Serial Number: 1434
Issue Time: 2017 Nov 07 2304 UTC

EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1433
Valid From: 2017 Nov 07 0745 UTC
Now Valid Until: 2017 Nov 07 1200 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

23:04 UTC

Space Weather Message Code: WARK06
Serial Number: 412
Issue Time: 2017 Nov 07 2304 UTC

WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2017 Nov 07 2305 UTC
Valid To: 2017 Nov 08 0600 UTC
Warning Condition: Onset
NOAA Scale: G2 - Moderate

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude.
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.

22:39 UTC

Space Weather Message Code: ALTK05
Serial Number: 1192
Issue Time: 2017 Nov 07 2239 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2017 Nov 07 2238 UTC
Synoptic Period: 2100-2400 UTC
 
Active Warning: Yes
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

21:16 UTC

Space Weather Message Code: WATA20
Serial Number: 807
Issue Time: 2017 Nov 07 2116 UTC

WATCH: Geomagnetic Storm Category G1 Predicted

Highest Storm Level Predicted by Day:
Nov 08:  G1 (Minor)   Nov 09:  G1 (Minor)   Nov 10:  G1 (Minor)

THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

20:15 UTC

Space Weather Message Code: WARK05
Serial Number: 1433
Issue Time: 2017 Nov 07 2015 UTC

EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1432
Valid From: 2017 Nov 07 0745 UTC
Now Valid Until: 2017 Nov 08 0300 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

19:24 UTC

Space Weather Message Code: ALTK06
Serial Number: 455
Issue Time: 2017 Nov 07 1924 UTC

ALERT: Geomagnetic K-index of 6
Threshold Reached: 2017 Nov 07 1921 UTC
Synoptic Period: 1800-2100 UTC
 
Active Warning: Yes
NOAA Scale: G2 - Moderate

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude.
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.

18:40 UTC

Space Weather Message Code: ALTK05
Serial Number: 1191
Issue Time: 2017 Nov 07 1840 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2017 Nov 07 1835 UTC
Synoptic Period: 1800-2100 UTC
 
Active Warning: Yes
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

18:30 UTC

Space Weather Message Code: WARK06
Serial Number: 411
Issue Time: 2017 Nov 07 1830 UTC

WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2017 Nov 07 1830 UTC
Valid To: 2017 Nov 07 2100 UTC
Warning Condition: Onset
NOAA Scale: G2 - Moderate

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude.
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.

14:13 UTC

Space Weather Message Code: WARK05
Serial Number: 1432
Issue Time: 2017 Nov 07 1413 UTC

EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1431
Valid From: 2017 Nov 07 0745 UTC
Now Valid Until: 2017 Nov 07 2200 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

14:13 UTC

Space Weather Message Code: WARK04
Serial Number: 3362
Issue Time: 2017 Nov 07 1413 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3361
Valid From: 2017 Nov 07 0315 UTC
Now Valid Until: 2017 Nov 08 0700 UTC
Warning Condition: persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

11:55 UTC

Space Weather Message Code: ALTK05
Serial Number: 1190
Issue Time: 2017 Nov 07 1155 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2017 Nov 07 1155 UTC
Synoptic Period: 0900-1200 UTC
 
Active Warning: Yes
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

11:54 UTC

Space Weather Message Code: WARK04
Serial Number: 3361
Issue Time: 2017 Nov 07 1154 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3360
Valid From: 2017 Nov 07 0315 UTC
Now Valid Until: 2017 Nov 07 2100 UTC
Warning Condition: persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

08:59 UTC

Space Weather Message Code: ALTK04
Serial Number: 2013
Issue Time: 2017 Nov 07 0859 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2017 Nov 07 0859 UTC
Synoptic Period: 0600-0900 UTC
 
Active Warning: Yes

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

07:46 UTC

Space Weather Message Code: WARK05
Serial Number: 1431
Issue Time: 2017 Nov 07 0746 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2017 Nov 07 0745 UTC
Valid To: 2017 Nov 07 1500 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

03:16 UTC

Space Weather Message Code: WARK04
Serial Number: 3360
Issue Time: 2017 Nov 07 0316 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2017 Nov 07 0315 UTC
Valid To: 2017 Nov 07 1500 UTC
Warning Condition: Onset

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

maandag 06 november 2017

19:23 UTC

Space Weather Message Code: WATA20
Serial Number: 806
Issue Time: 2017 Nov 06 1923 UTC

WATCH: Geomagnetic Storm Category G1 Predicted

Highest Storm Level Predicted by Day:
Nov 07:  G1 (Minor)   Nov 08:  G1 (Minor)   Nov 09:  G1 (Minor)

THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

zondag 05 november 2017

14:57 UTC

Space Weather Message Code: WATA20
Serial Number: 805
Issue Time: 2017 Nov 05 1457 UTC

WATCH: Geomagnetic Storm Category G1 Predicted

Highest Storm Level Predicted by Day:
Nov 06:  None (Below G1)   Nov 07:  G1 (Minor)   Nov 08:  G1 (Minor)

THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

zaterdag 04 november 2017

17:59 UTC

Space Weather Message Code: WATA20
Serial Number: 804
Issue Time: 2017 Nov 04 1759 UTC

WATCH: Geomagnetic Storm Category G1 Predicted

Highest Storm Level Predicted by Day:
Nov 05:  None (Below G1)   Nov 06:  None (Below G1)   Nov 07:  G1 (Minor)

THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

vrijdag 03 november 2017

08:24 UTC

Space Weather Message Code: WARK04
Serial Number: 3359
Issue Time: 2017 Nov 03 0824 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3358
Valid From: 2017 Nov 03 0001 UTC
Now Valid Until: 2017 Nov 03 1500 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

02:33 UTC

Space Weather Message Code: ALTK04
Serial Number: 2012
Issue Time: 2017 Nov 03 0233 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2017 Nov 03 0233 UTC
Synoptic Period: 0000-0300 UTC
 
Active Warning: Yes

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

00:03 UTC

Space Weather Message Code: WARK04
Serial Number: 3358
Issue Time: 2017 Nov 03 0003 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2017 Nov 03 0001 UTC
Valid To: 2017 Nov 03 0900 UTC
Warning Condition: Onset

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

woensdag 01 november 2017

10:21 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2697
Issue Time: 2017 Nov 01 1021 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2696
Begin Time: 2017 Oct 24 1245 UTC
Yesterday Maximum 2MeV Flux: 3054 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

dinsdag 31 oktober 2017

05:00 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2696
Issue Time: 2017 Oct 31 0500 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2695
Begin Time: 2017 Oct 24 1245 UTC
Yesterday Maximum 2MeV Flux: 3668 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

maandag 30 oktober 2017

05:06 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2695
Issue Time: 2017 Oct 30 0506 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2694
Begin Time: 2017 Oct 24 1245 UTC
Yesterday Maximum 2MeV Flux: 3104 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

zondag 29 oktober 2017

07:46 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2694
Issue Time: 2017 Oct 29 0746 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2693
Begin Time: 2017 Oct 24 1245 UTC
Yesterday Maximum 2MeV Flux: 2203 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

zaterdag 28 oktober 2017

09:26 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2693
Issue Time: 2017 Oct 28 0926 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2692
Begin Time: 2017 Oct 24 1245 UTC
Yesterday Maximum 2MeV Flux: 1897 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

vrijdag 27 oktober 2017

13:36 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2692
Issue Time: 2017 Oct 27 1336 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2691
Begin Time: 2017 Oct 24 1245 UTC
Yesterday Maximum 2MeV Flux: 2155 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

donderdag 26 oktober 2017

12:55 UTC

Space Weather Message Code: WARK04
Serial Number: 3357
Issue Time: 2017 Oct 26 1255 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3356
Valid From: 2017 Oct 24 1216 UTC
Now Valid Until: 2017 Oct 27 0600 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

12:53 UTC

Space Weather Message Code: WARK05
Serial Number: 1430
Issue Time: 2017 Oct 26 1253 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2017 Oct 26 1253 UTC
Valid To: 2017 Oct 26 2100 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

11:14 UTC

Space Weather Message Code: WARK04
Serial Number: 3356
Issue Time: 2017 Oct 26 1114 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3355
Valid From: 2017 Oct 24 1216 UTC
Now Valid Until: 2017 Oct 26 1800 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

08:51 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2691
Issue Time: 2017 Oct 26 0851 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2690
Begin Time: 2017 Oct 24 1245 UTC
Yesterday Maximum 2MeV Flux: 1568 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

05:55 UTC

Space Weather Message Code: WARK04
Serial Number: 3355
Issue Time: 2017 Oct 26 0555 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3354
Valid From: 2017 Oct 24 1216 UTC
Now Valid Until: 2017 Oct 26 1200 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

woensdag 25 oktober 2017

17:55 UTC

Space Weather Message Code: WARK04
Serial Number: 3354
Issue Time: 2017 Oct 25 1755 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3353
Valid From: 2017 Oct 24 1216 UTC
Now Valid Until: 2017 Oct 26 0600 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

17:52 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2690
Issue Time: 2017 Oct 25 1752 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2689
Begin Time: 2017 Oct 24 1245 UTC
Yesterday Maximum 2MeV Flux: 2102 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Op basis van de huidige parameters is er nu geen kans op poollicht in België en Nederland
De richting van het interplanetair magnetisch veld is licht Zuidelijk (-5,26nT).

Laatste nieuws

Ruimteweer vandaag

Poollicht activiteit Zwak Sterk
Hoge breedtegraad 20% 15%
Gemiddelde breedtegraad 5% 1%
Voorspelde Kp max 3
Zonneactiviteit
M-klasse zonnevlam 1%
X-klasse zonnevlam 1%
Maanfase
Wassende maan

Steun Poollicht.be!

Om ook bereikbaar te blijven bij grote poollichtkansen hebben we een zware server nodig die alle bezoekers aankan. Doneer en steun dit project zodat we online blijven en je geen enkele poollichtkans mist!

100%

Meer alerts

Ruimteweer feitjes

Laatste X-klasse uitbarsting:10/09/2017X8.2
Laatste M-klasse uitbarsting:20/10/2017M1.0
Laatste geomagnetische storm:21/11/2017Kp5 (G1)
Aantal zonnevlekkenloze dagen in 2017:86
Huidig periode aantal zonnevlekkenloze dagen:6

Deze dag in de geschiedenis*

Zonnevlammen
12000X2.3
22000X2.0
32000X1.8
41998X1.0
51999M3.0
ApG
12001104G4
2201622G1
3199921G1
4200616
5199816
*sinds 1994