Viewing archive of Saturday, 25 January 2020
Solar activity report
Report of Solar-Geophysical Activity 2020 Jan 25 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 25 Issued at 2200Z on 25 Jan 2020IA. Analysis of Solar Active Regions and Activity from 24-2100Z to 25-2100Z Solar activity has been at very low levels for the past 24
hours. There are currently 1 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be very low
on days one, two, and three (26 Jan, 27 Jan, 28 Jan).
IIA. Geophysical Activity Summary 24-2100Z to 25-2100Z
The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 332 km/s at 25/0407Z. Total IMF reached 6 nT at
25/0423Z. The maximum southward component of Bz reached -4 nT at
25/0308Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 176 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on days one, two, and three (26 Jan, 27 Jan, 28
Jan).
III. Event Probabilities 26 Jan to 28 Jan
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 25 Jan 073 Predicted 26 Jan-28 Jan 074/074/074 90 Day Mean 25 Jan 071
V. Geomagnetic A Indices
Observed Afr/Ap 24 Jan 001/001 Estimated Afr/Ap 25 Jan 003/004 Predicted Afr/Ap 26 Jan-28 Jan 006/005-006/005-006/005
VI. Geomagnetic Activity Probabilities 26 Jan to 28 Jan
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 10% |
| Minor storm | 01% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 20% | 20% | 20% |
| Major-severe storm | 15% | 15% | 15% |
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