:Product: 1001RSGA.txt :Issued: 2020 Oct 01 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 275 Issued at 2200Z on 01 Oct 2020 IA. Analysis of Solar Active Regions and Activity from 30/2100Z to 01/2100Z: 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 (02 Oct, 03 Oct, 04 Oct). IIA. Geophysical Activity Summary 30/2100Z to 01/2100Z: The geomagnetic field has been at quiet to active levels for the past 24 hours. Solar wind speed reached a peak of 578 km/s at 30/2100Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 32431 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to active levels on day one (02 Oct), quiet to unsettled levels on day two (03 Oct) and quiet levels on day three (04 Oct). III. Event probabilities 02 Oct-04 Oct Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 01 Oct 073 Predicted 02 Oct-04 Oct 073/073/073 90 Day Mean 01 Oct 071 V. Geomagnetic A Indices Observed Afr/Ap 30 Sep 012/014 Estimated Afr/Ap 01 Oct 009/013 Predicted Afr/Ap 02 Oct-04 Oct 011/012-008/008-006/005 VI. Geomagnetic Activity Probabilities 02 Oct-04 Oct A. Middle Latitudes Active 25/15/05 Minor Storm 10/05/01 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 30/25/15 Major-severe storm 40/25/10