Diskussion av prognoserat rymdväder

Datum av rapporten: 2019 Feb 18 0030 UTC
Skapad av NOAA SWPC och bearbetad av SWL

Solaktivitet

Sammanfattning av de senaste 24 timmarna
Solar activity was very low. The visible disk remained spotless. No Earth-directed CMEs were observed in available satellite imagery.
Prognos
Solar activity is expected to be very low on 18-20 Feb.

Energirika partiklar

Sammanfattning av de senaste 24 timmarna
The greater than 2 MeV electron flux reached moderate levels. The greater than 10 MeV proton flux remained at background values.
Prognos
The greater than 2 MeV electron flux is expected to reach moderate levels on 18-20 Feb. The greater than 10 MeV proton flux is expected to continue at background levels all three days.

Solvind

Sammanfattning av de senaste 24 timmarna
Solar wind parameters reflected ambient background conditions.
Prognos
Ambient solar wind conditions are anticipated on day one of the forecast period (18 Feb). An enhanced solar wind environment is expected on days two and three (19-20 Feb) due to the anticipated arrival of a recurrent, positive-polarity CH HSS.

Geospace

Sammanfattning av de senaste 24 timmarna
The geomagnetic field was quiet.
Prognos
The geomagnetic field is expected to be mostly quiet on 18 Feb under a nominal solar wind regime. Quiet to active conditions are expected on 19-20 Feb due to the aforementioned recurrent CH HSS.

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Rymdvädersfakta

Senaste X-utbrottet:10/09/2017X8.2
Senaste M-utbrottet:20/10/2017M1.0
Senaste geomagnetiska stormen:31/01/2019Kp5 (G1)
Dagar utan solfläckar i 2019:33
Dagar utan solfläckar just nu:19

I dag i historien*

Solutbrott
12011M6.6
22011M1.4
32011M1.3
42011M1.0
52011M1.0
ApG
1199980G3
2199836G3
3200532G2
4201629G1
5201121G1
*sedan 1994

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