Diskussion av prognoserat rymdväder

Datum av rapporten: 2020 Jan 22 0030 UTC
Skapad av NOAA SWPC och bearbetad av SWL

Solaktivitet

Sammanfattning av de senaste 24 timmarna
Solar activity was very low. No Earth-directed CMEs were observed in coronagraph imagery.
Prognos
Solar activity is expected to be at very low levels on 22-24 Jan.

Energirika partiklar

Sammanfattning av de senaste 24 timmarna
The greater than 2 MeV electron flux was below alert threshold values, and the greater than 10 MeV proton flux continued at background values.
Prognos
The greater than 2 MeV electron is expected to be at moderate to high levels on 22-24 Jan with CH HSS activity. The greater than 10 MeV proton flux is expected to remain at background levels.

Solvind

Sammanfattning av de senaste 24 timmarna
The solar wind environment became enhanced early in the UTC day with the onset of a weak, negative polarity CH HSS. Total field peaked at 9 nT with arrival, and Bz periodically deviated southward in excess of -5 nT for short intervals. Solar wind speeds increased from around 275 km/s to around 350 km/s with this feature. Phi was predominately negative.
Prognos
CH HSS effects are expected to continue into 22 Jan. Thereafter a return to nominal, background solar wind conditions is expected.

Geospace

Sammanfattning av de senaste 24 timmarna
The geomagnetic field was mostly quiet, with an unsettled period later in the period due to the weak CH HSS (negative polarity).
Prognos
The geomagnetic field is expected to be at mostly quiet to unsettled levels through 22 Jan with ongoing CH HSS activity. An isolated active period (Kp=4) is also possible. Mostly quiet conditions can be expected by 23 Jan through 24 Jan.

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Rymdvädersfakta

Senaste X-utbrottet:10/09/2017X8.2
Senaste M-utbrottet:20/10/2017M1.0
Senaste geomagnetiska stormen:26/10/2019Kp5 (G1)
Dagar utan solfläckar i 2020:13
Dagar utan solfläckar just nu:12

I dag i historien*

Solutbrott
11999M1.4
22015M1.4
32002M1.3
42003M1.2
52000M1.0
ApG
1200464G3
2200533G2
3201224G1
4200022G1
5200319G1
*sedan 1994

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