Viewing archive of Thursday, 13 August 2020
Solar activity report
Report of Solar-Geophysical Activity 2020 Aug 13 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 226 Issued at 2200Z on 13 Aug 2020IA. Analysis of Solar Active Regions and Activity from 12-2100Z to 13-2100Z 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 (14 Aug, 15 Aug, 16 Aug).
IIA. Geophysical Activity Summary 12-2100Z to 13-2100Z
The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 312 km/s at 12/2109Z. Electrons greater than 2 MeV at
geosynchronous orbit reached a peak level of 740 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on days one, two, and three (14 Aug, 15 Aug, 16
Aug).
III. Event Probabilities 14 Aug to 16 Aug
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 13 Aug 072 Predicted 14 Aug-16 Aug 072/072/070 90 Day Mean 13 Aug 070
V. Geomagnetic A Indices
Observed Afr/Ap 12 Aug 003/004 Estimated Afr/Ap 13 Aug 003/004 Predicted Afr/Ap 14 Aug-16 Aug 006/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 14 Aug to 16 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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