Viewing archive of Saturday, 8 August 2020
Solar activity report
Report of Solar-Geophysical Activity 2020 Aug 08 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 221 Issued at 2200Z on 08 Aug 2020IA. Analysis of Solar Active Regions and Activity from 07-2100Z to 08-2100Z 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
with a slight chance for a C-class flare on days one, two, and three (09
Aug, 10 Aug, 11 Aug).
IIA. Geophysical Activity Summary 07-2100Z to 08-2100Z
The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 466 km/s at 08/0035Z. Electrons greater than 2 MeV at
geosynchronous orbit reached a peak level of 2171 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on days one, two, and three (09 Aug, 10 Aug, 11
Aug).
III. Event Probabilities 09 Aug to 11 Aug
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 08 Aug 075 Predicted 09 Aug-11 Aug 074/072/072 90 Day Mean 08 Aug 070
V. Geomagnetic A Indices
Observed Afr/Ap 07 Aug 005/003 Estimated Afr/Ap 08 Aug 007/008 Predicted Afr/Ap 09 Aug-11 Aug 006/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 09 Aug to 11 Aug
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 05% | 05% |
| Minor storm | 01% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 20% | 15% | 15% |
| Minor storm | 20% | 15% | 15% |
| Major-severe storm | 10% | 10% | 10% |
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