Viewing archive of Wednesday, 5 August 2020
Solar activity report
Report of Solar-Geophysical Activity 2020 Aug 05 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 218 Issued at 2200Z on 05 Aug 2020IA. Analysis of Solar Active Regions and Activity from 04-2100Z to 05-2100Z 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 (06 Aug) and
expected to be very low on days two and three (07 Aug, 08 Aug).
IIA. Geophysical Activity Summary 04-2100Z to 05-2100Z
The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 618 km/s at 04/2202Z. Electrons greater than 2 MeV at
geosynchronous orbit reached a peak level of 2815 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on days one and two (06 Aug, 07 Aug) and quiet to
unsettled levels on day three (08 Aug).
III. Event Probabilities 06 Aug to 08 Aug
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 05 Aug 073 Predicted 06 Aug-08 Aug 073/073/073 90 Day Mean 05 Aug 070
V. Geomagnetic A Indices
Observed Afr/Ap 04 Aug 009/010 Estimated Afr/Ap 05 Aug 006/006 Predicted Afr/Ap 06 Aug-08 Aug 005/005-006/005-008/008
VI. Geomagnetic Activity Probabilities 06 Aug to 08 Aug
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 15% |
| Minor storm | 01% | 01% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 20% | 20% | 20% |
| Minor storm | 20% | 20% | 25% |
| Major-severe storm | 10% | 10% | 20% |
All times in UTC
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