Viewing archive of Monday, 24 August 2020
Solar activity report
Report of Solar-Geophysical Activity 2020 Aug 24 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 237 Issued at 2200Z on 24 Aug 2020IA. Analysis of Solar Active Regions and Activity from 23-2100Z to 24-2100Z Solar activity has been at very low levels for the past 24
hours. There are currently 0 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be very low
on days one, two, and three (25 Aug, 26 Aug, 27 Aug).
IIA. Geophysical Activity Summary 23-2100Z to 24-2100Z
The geomagnetic
field has been at quiet to unsettled levels for the past 24 hours. Solar
wind speed reached a peak of 415 km/s at 24/0214Z. Electrons greater
than 2 MeV at geosynchronous orbit reached a peak level of 179 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to active levels on day one (25 Aug), quiet to unsettled
levels on day two (26 Aug) and quiet levels on day three (27 Aug).
III. Event Probabilities 25 Aug to 27 Aug
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 24 Aug 070 Predicted 25 Aug-27 Aug 070/070/070 90 Day Mean 24 Aug 070
V. Geomagnetic A Indices
Observed Afr/Ap 23 Aug 007/006 Estimated Afr/Ap 24 Aug 004/005 Predicted Afr/Ap 25 Aug-27 Aug 011/012-008/008-006/005
VI. Geomagnetic Activity Probabilities 25 Aug to 27 Aug
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 30% | 25% | 10% |
| Minor storm | 10% | 05% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 20% |
| Minor storm | 30% | 30% | 20% |
| Major-severe storm | 40% | 30% | 10% |
All times in UTC
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