:Product: 0906RSGA.txt :Issued: 2020 Sep 06 2200 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 250 Issued at 2200Z on 06 Sep 2020 IA. Analysis of Solar Active Regions and Activity from 05/2100Z to 06/2100Z: 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 (07 Sep, 08 Sep, 09 Sep). IIA. Geophysical Activity Summary 05/2100Z to 06/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 459 km/s at 05/2326Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 5373 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one, two, and three (07 Sep, 08 Sep, 09 Sep). III. Event probabilities 07 Sep-09 Sep Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 06 Sep 070 Predicted 07 Sep-09 Sep 070/070/070 90 Day Mean 06 Sep 070 V. Geomagnetic A Indices Observed Afr/Ap 05 Sep 007/006 Estimated Afr/Ap 06 Sep 004/004 Predicted Afr/Ap 07 Sep-09 Sep 006/005-006/005-006/005 VI. Geomagnetic Activity Probabilities 07 Sep-09 Sep A. Middle Latitudes Active 15/15/15 Minor Storm 05/05/05 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 20/20/20 Major-severe storm 20/20/20