:Product: 1001RSGA.txt :Issued: 2022 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 274 Issued at 2200Z on 01 Oct 2022 IA. Analysis of Solar Active Regions and Activity from 30/2100Z to 01/2100Z: Solar activity has been at high levels for the past 24 hours. The largest solar event of the period was a M5 event observed at 01/2010Z from Region 3110 (N17W38). There are currently 6 numbered sunspot regions on the disk. IB. Solar Activity Forecast: Solar activity is expected to be low with a chance for M-class flares and a slight chance for an X-class flare 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 levels for the past 24 hours. Solar wind speed reached a peak of 504 km/s at 01/1242Z. Total IMF reached 9 nT at 01/1508Z. The maximum southward component of Bz reached -3 nT at 01/0840Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 157 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at unsettled to minor storm levels on days one and two (02 Oct, 03 Oct) and quiet to active levels on day three (04 Oct). III. Event probabilities 02 Oct-04 Oct Class M 40/40/40 Class X 10/10/10 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 01 Oct 148 Predicted 02 Oct-04 Oct 145/150/150 90 Day Mean 01 Oct 127 V. Geomagnetic A Indices Observed Afr/Ap 30 Sep 012/010 Estimated Afr/Ap 01 Oct 012/017 Predicted Afr/Ap 02 Oct-04 Oct 020/028-015/022-011/015 VI. Geomagnetic Activity Probabilities 02 Oct-04 Oct A. Middle Latitudes Active 40/40/35 Minor Storm 30/25/15 Major-severe storm 05/05/05 B. High Latitudes Active 15/15/20 Minor Storm 30/30/30 Major-severe storm 50/45/30