Viewing archive of Monday, 10 August 2020
Solar activity report
Report of Solar-Geophysical Activity 2020 Aug 10 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 223 Issued at 2200Z on 10 Aug 2020IA. Analysis of Solar Active Regions and Activity from 09-2100Z to 10-2100Z 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 day one (11 Aug) and
expected to be very low on days two and three (12 Aug, 13 Aug).
IIA. Geophysical Activity Summary 09-2100Z to 10-2100Z
The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 384 km/s at 09/2239Z. Total IMF reached 5 nT at
10/0023Z. The maximum southward component of Bz reached -3 nT at
09/2245Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 2586 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on days one, two, and three (11 Aug, 12 Aug, 13
Aug).
III. Event Probabilities 11 Aug to 13 Aug
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 10 Aug 074 Predicted 11 Aug-13 Aug 074/074/072 90 Day Mean 10 Aug 070
V. Geomagnetic A Indices
Observed Afr/Ap 09 Aug 003/003 Estimated Afr/Ap 10 Aug 003/003 Predicted Afr/Ap 11 Aug-13 Aug 005/005-005/005-006/005
VI. Geomagnetic Activity Probabilities 11 Aug to 13 Aug
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 05% | 05% | 05% |
| Minor storm | 01% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 15% | 15% | 15% |
| Major-severe storm | 10% | 10% | 10% |
All times in UTC
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