Bespreking van het voorspelde ruimteweer

Datum verslag: 2019 Sep 15 0030 UTC
Dit rapport werd door opgemaakt door het Space Weather Prediction Center - NOAA en verwerkt door Poollicht.be

Zonneactiviteit

Samenvatting afgelopen 24h
Solar activity was at very low levels. The solar disk was spotless. No Earth-directed CMEs were observed in available imagery.
Voorspelling
Solar activity is expected to be at very low levels on 15-17 Sep.

Energetische deeltjes

Samenvatting afgelopen 24h
The greater than 2 MeV electron flux reached high levels with a peak of 3,102 pfu observed at 14/1840 UTC. The greater than 10 MeV proton flux was at background levels.
Voorspelling
The greater than 2 MeV electron flux is expected to be at moderate to high levels on 15-17 Sep in response to recent elevated solar wind speed. The greater than 10 MeV proton flux is expected to continue at background levels.

Zonnewind

Samenvatting afgelopen 24h
Solar wind speed was in decline over the period as HSS effects dissipated. Solar wind speed decreased from approximately 500 km/s to near 435 km/s. Total field was steady at 4 nT while the Bz component was between +/-3 nT. Phi angle was mostly oriented in a positive (away) solar sector.
Voorspelling
Solar wind parameters are expected to be near nominal levels over 15-16 Sep. By 17 Sep, another enhancement is expected around midday on 17 Sep as a negative polarity CH HSS moves into a geoeffective position.

Geospace

Samenvatting afgelopen 24h
The geomagnetic field was quiet.
Voorspelling
The geomagnetic field is expected to be mostly quiet on 15-16 Sep with isolated unsettled periods possible. Unsettled conditions are likely after midday on 17 Sep as a negative polarity CH HSS is expected to become geoeffective.

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Ruimteweer feitjes

Laatste X-klasse uitbarsting:10/09/2017X8.2
Laatste M-klasse uitbarsting:20/10/2017M1.0
Laatste geomagnetische storm:02/09/2019Kp5 (G1)
Aantal zonnevlekkenloze dagen in 2019:183
Huidig periode aantal zonnevlekkenloze dagen:13

Deze dag in de geschiedenis*

Zonnevlammen
12005X1.1
22000M2.1
32000M2.0
42001M1.5
52005M1.3
ApG
1200552G3
2201734G2
3199927G2
4199526G1
5200120
*sinds 1994

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