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Solar activity report

Report of Solar-Geophysical Activity 2020 Aug 24 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 237 Issued at 2200Z on 24 Aug 2020

IA. Analysis of Solar Active Regions and Activity from 23-2100Z to 24-2100Z

Solar activity has been at very low levels for the past 24 hours. There are currently 0 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be very low on days one, two, and three (25 Aug, 26 Aug, 27 Aug).
IIA. Geophysical Activity Summary 23-2100Z to 24-2100Z
The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 415 km/s at 24/0214Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 179 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet to active levels on day one (25 Aug), quiet to unsettled levels on day two (26 Aug) and quiet levels on day three (27 Aug).
III. Event Probabilities 25 Aug to 27 Aug
Class M01%01%01%
Class X01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       24 Aug 070
  Predicted   25 Aug-27 Aug 070/070/070
  90 Day Mean        24 Aug 070

V. Geomagnetic A Indices
  Observed Afr/Ap 23 Aug  007/006
  Estimated     Afr/Ap 24 Aug  004/005
  Predicted    Afr/Ap 25 Aug-27 Aug  011/012-008/008-006/005

VI. Geomagnetic Activity Probabilities 25 Aug to 27 Aug
A. Middle Latitudes
Active30%25%10%
Minor storm10%05%01%
Major-severe storm01%01%01%
B. High Latitudes
Active15%15%20%
Minor storm30%30%20%
Major-severe storm40%30%10%

All times in UTC

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