:Product: 1128RSGA.txt :Issued: 2025 Nov 28 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 332 Issued at 2200Z on 28 Nov 2025 IA. Analysis of Solar Active Regions and Activity from 27/2100Z to 28/2100Z: Solar activity has been at low levels for the past 24 hours. There are currently 5 numbered sunspot regions on the disk. IB. Solar Activity Forecast: Solar activity is expected to be low with a chance for M-class flares on days one, two, and three (29 Nov, 30 Nov, 01 Dec). IIA. Geophysical Activity Summary 27/2100Z to 28/2100Z: The geomagnetic field has been at unsettled to active levels for the past 24 hours. Solar wind speed reached a peak of 707 km/s at 27/2158Z. Total IMF reached 7 nT at 27/2110Z. The maximum southward component of Bz reached -5 nT at 28/1123Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 14759 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to active levels on day one (29 Nov), quiet to unsettled levels on day two (30 Nov) and quiet levels on day three (01 Dec). III. Event probabilities 29 Nov-01 Dec Class M 40/40/40 Class X 05/05/05 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 28 Nov 138 Predicted 29 Nov-01 Dec 140/150/150 90 Day Mean 28 Nov 145 V. Geomagnetic A Indices Observed Afr/Ap 27 Nov 023/027 Estimated Afr/Ap 28 Nov 016/021 Predicted Afr/Ap 29 Nov-01 Dec 010/012-009/008-005/005 VI. Geomagnetic Activity Probabilities 29 Nov-01 Dec A. Middle Latitudes Active 30/15/10 Minor Storm 15/05/01 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 30/25/20 Major-severe storm 40/25/15