:Product: 1125RSGA.txt :Issued: 2018 Nov 25 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 329 Issued at 2200Z on 25 Nov 2018 IA. Analysis of Solar Active Regions and Activity from 24/2100Z to 25/2100Z: Solar activity has been at very low levels for the past 24 hours. There is currently 1 numbered sunspot region on the disk. IB. Solar Activity Forecast: Solar activity is expected to be very low on days one, two, and three (26 Nov, 27 Nov, 28 Nov). IIA. Geophysical Activity Summary 24/2100Z to 25/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 376 km/s at 25/0719Z. Total IMF reached 5 nT at 25/0210Z. The maximum southward component of Bz reached -3 nT at 25/1037Z. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to unsettled levels on days one and two (26 Nov, 27 Nov) and quiet levels on day three (28 Nov). III. Event probabilities 26 Nov-28 Nov Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 25 Nov 070 Predicted 26 Nov-28 Nov 070/070/070 90 Day Mean 25 Nov 069 V. Geomagnetic A Indices Observed Afr/Ap 24 Nov 002/001 Estimated Afr/Ap 25 Nov 003/003 Predicted Afr/Ap 26 Nov-28 Nov 007/008-007/008-005/005 VI. Geomagnetic Activity Probabilities 26 Nov-28 Nov A. Middle Latitudes Active 15/20/10 Minor Storm 05/05/01 Major-severe storm 01/01/01 B. High Latitudes Active 15/20/15 Minor Storm 25/25/20 Major-severe storm 25/20/15