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.

donderdag 08 april 2021

02:48 UTC

Space Weather Message Code: WARK04
Serial Number: 3875
Issue Time: 2021 Apr 08 0248 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3874
Valid From: 2021 Apr 07 0930 UTC
Now Valid Until: 2021 Apr 08 0900 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 07 april 2021

20:46 UTC

Space Weather Message Code: WARK04
Serial Number: 3874
Issue Time: 2021 Apr 07 2046 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3873
Valid From: 2021 Apr 07 0930 UTC
Now Valid Until: 2021 Apr 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 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: ALTK05
Serial Number: 1321
Issue Time: 2021 Apr 07 1800 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2021 Apr 07 1759 UTC
Synoptic Period: 1500-1800 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.

16:26 UTC

Space Weather Message Code: WARK05
Serial Number: 1590
Issue Time: 2021 Apr 07 1626 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2021 Apr 07 1626 UTC
Valid To: 2021 Apr 07 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.

14:39 UTC

Space Weather Message Code: WARK04
Serial Number: 3873
Issue Time: 2021 Apr 07 1439 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3872
Valid From: 2021 Apr 07 0930 UTC
Now Valid Until: 2021 Apr 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.

10:29 UTC

Space Weather Message Code: ALTK04
Serial Number: 2209
Issue Time: 2021 Apr 07 1029 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2021 Apr 07 1029 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.

09:29 UTC

Space Weather Message Code: WARK04
Serial Number: 3872
Issue Time: 2021 Apr 07 0929 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2021 Apr 07 0930 UTC
Valid To: 2021 Apr 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.

vrijdag 02 april 2021

17:41 UTC

Space Weather Message Code: ALTEF3
Serial Number: 3130
Issue Time: 2021 Apr 02 1741 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2021 Apr 02 1715 UTC
Station: GOES-16


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 01 april 2021

01:18 UTC

Space Weather Message Code: WARK04
Serial Number: 3871
Issue Time: 2021 Apr 01 0118 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2021 Apr 01 0118 UTC
Valid To: 2021 Apr 01 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.

maandag 29 maart 2021

10:53 UTC

Space Weather Message Code: WATA20
Serial Number: 893
Issue Time: 2021 Mar 29 1053 UTC

CANCEL WATCH: Geomagnetic Storm Category G1 Predicted
Cancel Serial Number: 892
Original Issue Time: 2021 Mar 26 2155 UTC

Comment: G1 (Minor) geomagnetic storm conditions are no longer warranted under the currently forecasted solar wind regime.

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 27 maart 2021

23:51 UTC

Space Weather Message Code: WARK05
Serial Number: 1589
Issue Time: 2021 Mar 27 2351 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2021 Mar 27 2351 UTC
Valid To: 2021 Mar 28 0600 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.

23:49 UTC

Space Weather Message Code: ALTK04
Serial Number: 2208
Issue Time: 2021 Mar 27 2349 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2021 Mar 27 2349 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.

23:48 UTC

Space Weather Message Code: WARK04
Serial Number: 3870
Issue Time: 2021 Mar 27 2348 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2021 Mar 27 2348 UTC
Valid To: 2021 Mar 28 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.

vrijdag 26 maart 2021

21:55 UTC

Space Weather Message Code: WATA20
Serial Number: 892
Issue Time: 2021 Mar 26 2155 UTC

WATCH: Geomagnetic Storm Category G1 Predicted

Highest Storm Level Predicted by Day:
Mar 27: None (Below G1) Mar 28: G1 (Minor) Mar 29: 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.

14:42 UTC

Space Weather Message Code: ALTEF3
Serial Number: 3129
Issue Time: 2021 Mar 26 1442 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3128
Begin Time: 2021 Mar 22 0820 UTC
Yesterday Maximum 2MeV Flux: 1205 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.

01:51 UTC

Space Weather Message Code: ALTK04
Serial Number: 2207
Issue Time: 2021 Mar 26 0151 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2021 Mar 26 0151 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.

01:49 UTC

Space Weather Message Code: WARK04
Serial Number: 3869
Issue Time: 2021 Mar 26 0149 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2021 Mar 26 0149 UTC
Valid To: 2021 Mar 26 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.

donderdag 25 maart 2021

22:11 UTC

Space Weather Message Code: WATA20
Serial Number: 891
Issue Time: 2021 Mar 25 2211 UTC

WATCH: Geomagnetic Storm Category G1 Predicted

Highest Storm Level Predicted by Day:
Mar 26: None (Below G1) Mar 27: None (Below G1) Mar 28: 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.

14:04 UTC

Space Weather Message Code: ALTEF3
Serial Number: 3128
Issue Time: 2021 Mar 25 1404 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3127
Begin Time: 2021 Mar 22 0820 UTC
Yesterday Maximum 2MeV Flux: 5102 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.

13:43 UTC

Space Weather Message Code: WARK04
Serial Number: 3868
Issue Time: 2021 Mar 25 1343 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2021 Mar 25 1342 UTC
Valid To: 2021 Mar 25 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.

01:57 UTC

Space Weather Message Code: ALTK05
Serial Number: 1320
Issue Time: 2021 Mar 25 0157 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2021 Mar 25 0157 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.

00:53 UTC

Space Weather Message Code: WARK05
Serial Number: 1588
Issue Time: 2021 Mar 25 0053 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2021 Mar 25 0053 UTC
Valid To: 2021 Mar 25 0600 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.

00:48 UTC

Space Weather Message Code: ALTK04
Serial Number: 2206
Issue Time: 2021 Mar 25 0048 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2021 Mar 25 0048 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.

00:36 UTC

Space Weather Message Code: WARK04
Serial Number: 3867
Issue Time: 2021 Mar 25 0036 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2021 Mar 25 0036 UTC
Valid To: 2021 Mar 25 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 24 maart 2021

20:40 UTC

Space Weather Message Code: SUMSUD
Serial Number: 227
Issue Time: 2021 Mar 24 2040 UTC

SUMMARY: Geomagnetic Sudden Impulse
Observed: 2021 Mar 24 2016 UTC
Deviation: 17 nT
Station: NGK

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

19:54 UTC

Space Weather Message Code: WARSUD
Serial Number: 180
Issue Time: 2021 Mar 24 1954 UTC

WARNING: Geomagnetic Sudden Impulse expected
Valid From: 2021 Mar 24 2000 UTC
Valid To: 2021 Mar 24 2100 UTC
IP Shock Passage Observed: 2021 Mar 24 1920 UTC

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

06:50 UTC

Space Weather Message Code: ALTEF3
Serial Number: 3127
Issue Time: 2021 Mar 24 0650 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3126
Begin Time: 2021 Mar 22 0820 UTC
Yesterday Maximum 2MeV Flux: 10084 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 23 maart 2021

06:04 UTC

Space Weather Message Code: ALTK04
Serial Number: 2205
Issue Time: 2021 Mar 23 0604 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2021 Mar 23 0600 UTC
Synoptic Period: 0300-0600 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.

05:53 UTC

Space Weather Message Code: WARK04
Serial Number: 3866
Issue Time: 2021 Mar 23 0553 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2021 Mar 23 0555 UTC
Valid To: 2021 Mar 23 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.

05:01 UTC

Space Weather Message Code: ALTEF3
Serial Number: 3126
Issue Time: 2021 Mar 23 0501 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3125
Begin Time: 2021 Mar 22 0820 UTC
Yesterday Maximum 2MeV Flux: 4050 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 22 maart 2021

08:45 UTC

Space Weather Message Code: ALTEF3
Serial Number: 3125
Issue Time: 2021 Mar 22 0845 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2021 Mar 22 0820 UTC
Station: GOES-16


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: 3865
Issue Time: 2021 Mar 22 0555 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3864
Valid From: 2021 Mar 21 1415 UTC
Now Valid Until: 2021 Mar 22 1300 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.

zondag 21 maart 2021

21:02 UTC

Space Weather Message Code: ALTK05
Serial Number: 1319
Issue Time: 2021 Mar 21 2102 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2021 Mar 21 2059 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.

18:01 UTC

Space Weather Message Code: ALTK05
Serial Number: 1318
Issue Time: 2021 Mar 21 1801 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2021 Mar 21 1759 UTC
Synoptic Period: 1500-1800 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.

16:33 UTC

Space Weather Message Code: WARK05
Serial Number: 1587
Issue Time: 2021 Mar 21 1633 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2021 Mar 21 1630 UTC
Valid To: 2021 Mar 21 2359 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.

14:23 UTC

Space Weather Message Code: ALTK04
Serial Number: 2204
Issue Time: 2021 Mar 21 1423 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2021 Mar 21 1423 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.

14:18 UTC

Space Weather Message Code: WARK04
Serial Number: 3864
Issue Time: 2021 Mar 21 1418 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2021 Mar 21 1415 UTC
Valid To: 2021 Mar 22 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.

13:14 UTC

Space Weather Message Code: ALTEF3
Serial Number: 3124
Issue Time: 2021 Mar 21 1314 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2021 Mar 21 1255 UTC
Station: GOES16


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.

05:43 UTC

Space Weather Message Code: WARK04
Serial Number: 3863
Issue Time: 2021 Mar 21 0543 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3862
Valid From: 2021 Mar 20 0250 UTC
Now Valid Until: 2021 Mar 21 1300 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.

zaterdag 20 maart 2021

14:55 UTC

Space Weather Message Code: WARK04
Serial Number: 3862
Issue Time: 2021 Mar 20 1455 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3861
Valid From: 2021 Mar 20 0250 UTC
Now Valid Until: 2021 Mar 21 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.

11:04 UTC

Space Weather Message Code: ALTK05
Serial Number: 1317
Issue Time: 2021 Mar 20 1104 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2021 Mar 20 1104 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.

08:03 UTC

Space Weather Message Code: ALTK06
Serial Number: 478
Issue Time: 2021 Mar 20 0803 UTC

ALERT: Geomagnetic K-index of 6
Threshold Reached: 2021 Mar 20 0800 UTC
Synoptic Period: 0600-0900 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.

07:21 UTC

Space Weather Message Code: WARK06
Serial Number: 440
Issue Time: 2021 Mar 20 0721 UTC

WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2021 Mar 20 0720 UTC
Valid To: 2021 Mar 20 1200 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.

07:12 UTC

Space Weather Message Code: ALTK05
Serial Number: 1316
Issue Time: 2021 Mar 20 0712 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2021 Mar 20 0710 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.

06:47 UTC

Space Weather Message Code: WARK05
Serial Number: 1586
Issue Time: 2021 Mar 20 0647 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2021 Mar 20 0645 UTC
Valid To: 2021 Mar 20 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.

06:46 UTC

Space Weather Message Code: ALTK04
Serial Number: 2203
Issue Time: 2021 Mar 20 0646 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2021 Mar 20 0645 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.

02:50 UTC

Space Weather Message Code: WARK04
Serial Number: 3861
Issue Time: 2021 Mar 20 0250 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2021 Mar 20 0250 UTC
Valid To: 2021 Mar 20 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.

vrijdag 19 maart 2021

17:06 UTC

Space Weather Message Code: WATA20
Serial Number: 890
Issue Time: 2021 Mar 19 1706 UTC

WATCH: Geomagnetic Storm Category G1 Predicted

Highest Storm Level Predicted by Day:
Mar 20: G1 (Minor) Mar 21: G1 (Minor) Mar 22: G1 (Minor)

THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT

Comment: G1 (Minor) Watch issued for likely high speed stream effects originating from a large, negative polarity coronal hole.

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.

15:27 UTC

Space Weather Message Code: ALTEF3
Serial Number: 3123
Issue Time: 2021 Mar 19 1527 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3122
Begin Time: 2021 Mar 14 1520 UTC
Yesterday Maximum 2MeV Flux: 1501 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 18 maart 2021

19:17 UTC

Space Weather Message Code: WATA20
Serial Number: 889
Issue Time: 2021 Mar 18 1917 UTC

WATCH: Geomagnetic Storm Category G1 Predicted

Highest Storm Level Predicted by Day:
Mar 19: None (Below G1) Mar 20: G1 (Minor) Mar 21: 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.

13:17 UTC

Space Weather Message Code: ALTEF3
Serial Number: 3122
Issue Time: 2021 Mar 18 1317 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3121
Begin Time: 2021 Mar 14 1520 UTC
Yesterday Maximum 2MeV Flux: 5873 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 17 maart 2021

20:33 UTC

Space Weather Message Code: WATA20
Serial Number: 888
Issue Time: 2021 Mar 17 2033 UTC

WATCH: Geomagnetic Storm Category G1 Predicted

Highest Storm Level Predicted by Day:
Mar 18: None (Below G1) Mar 19: None (Below G1) Mar 20: 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.

05:06 UTC

Space Weather Message Code: ALTEF3
Serial Number: 3121
Issue Time: 2021 Mar 17 0506 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3120
Begin Time: 2021 Mar 14 1520 UTC
Yesterday Maximum 2MeV Flux: 3681 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 16 maart 2021

05:06 UTC

Space Weather Message Code: ALTEF3
Serial Number: 3120
Issue Time: 2021 Mar 16 0506 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3119
Begin Time: 2021 Mar 14 1520 UTC
Yesterday Maximum 2MeV Flux: 2992 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 15 maart 2021

06:51 UTC

Space Weather Message Code: ALTEF3
Serial Number: 3119
Issue Time: 2021 Mar 15 0651 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3118
Begin Time: 2021 Mar 14 1520 UTC
Yesterday Maximum 2MeV Flux: 2745 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 14 maart 2021

23:02 UTC

Space Weather Message Code: ALTK04
Serial Number: 2202
Issue Time: 2021 Mar 14 2302 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2021 Mar 14 2301 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.

22:53 UTC

Space Weather Message Code: WARK04
Serial Number: 3860
Issue Time: 2021 Mar 14 2253 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3859
Valid From: 2021 Mar 14 1925 UTC
Now Valid Until: 2021 Mar 15 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.

19:26 UTC

Space Weather Message Code: WARK04
Serial Number: 3859
Issue Time: 2021 Mar 14 1926 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2021 Mar 14 1925 UTC
Valid To: 2021 Mar 14 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.

15:37 UTC

Space Weather Message Code: ALTEF3
Serial Number: 3118
Issue Time: 2021 Mar 14 1537 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2021 Mar 14 1520 UTC
Station: GOES16


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.

05:53 UTC

Space Weather Message Code: ALTK05
Serial Number: 1315
Issue Time: 2021 Mar 14 0553 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2021 Mar 14 0550 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.

04:30 UTC

Space Weather Message Code: WARK04
Serial Number: 3858
Issue Time: 2021 Mar 14 0430 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3857
Valid From: 2021 Mar 13 2230 UTC
Now Valid Until: 2021 Mar 14 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.

04:30 UTC

Space Weather Message Code: WARK05
Serial Number: 1585
Issue Time: 2021 Mar 14 0430 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2021 Mar 14 0430 UTC
Valid To: 2021 Mar 14 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.

00:01 UTC

Space Weather Message Code: ALTK04
Serial Number: 2201
Issue Time: 2021 Mar 14 0001 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2021 Mar 13 2359 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.

zaterdag 13 maart 2021

22:33 UTC

Space Weather Message Code: WARK04
Serial Number: 3857
Issue Time: 2021 Mar 13 2233 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2021 Mar 13 2230 UTC
Valid To: 2021 Mar 14 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.