Viewing archive of Saturday, 1 August 2020
Solar activity report
Report of Solar-Geophysical Activity 2020 Aug 01 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 214 Issued at 2200Z on 01 Aug 2020IA. Analysis of Solar Active Regions and Activity from 31-2100Z to 01-2100Z Solar activity has been at very low levels for the past 24
hours. There are currently 2 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be very low
on days one, two, and three (02 Aug, 03 Aug, 04 Aug).
IIA. Geophysical Activity Summary 31-2100Z to 01-2100Z
The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 358 km/s at 01/0023Z. Electrons greater than 2 MeV at
geosynchronous orbit reached a peak level of 226 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to active levels on day one (02 Aug), quiet to unsettled
levels on day two (03 Aug) and quiet levels on day three (04 Aug).
III. Event Probabilities 02 Aug to 04 Aug
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 01 Aug 072 Predicted 02 Aug-04 Aug 073/073/071 90 Day Mean 01 Aug 069
V. Geomagnetic A Indices
Observed Afr/Ap 31 Jul 005/004 Estimated Afr/Ap 01 Aug 005/005 Predicted Afr/Ap 02 Aug-04 Aug 010/014-008/008-007/008
VI. Geomagnetic Activity Probabilities 02 Aug to 04 Aug
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 30% | 15% | 15% |
| Minor storm | 10% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 30% | 25% | 25% |
| Major-severe storm | 40% | 25% | 25% |
All times in UTC
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