:Product: 1112RSGA.txt :Issued: 2018 Nov 12 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 316 Issued at 2200Z on 12 Nov 2018 IA. Analysis of Solar Active Regions and Activity from 11/2100Z to 12/2100Z: Solar activity has been at very low levels for the past 24 hours. There are currently 1 numbered sunspot regions on the disk. IB. Solar Activity Forecast: Solar activity is expected to be very low on days one, two, and three (13 Nov, 14 Nov, 15 Nov). IIA. Geophysical Activity Summary 11/2100Z to 12/2100Z: The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 652 km/s at 12/1929Z. Total IMF reached 6 nT at 12/1408Z. The maximum southward component of Bz reached -4 nT at 12/0530Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 1208 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to unsettled levels on day one (13 Nov) and quiet levels on days two and three (14 Nov, 15 Nov). III. Event probabilities 13 Nov-15 Nov Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 12 Nov 068 Predicted 13 Nov-15 Nov 068/068/068 90 Day Mean 12 Nov 069 V. Geomagnetic A Indices Observed Afr/Ap 11 Nov 005/006 Estimated Afr/Ap 12 Nov 008/010 Predicted Afr/Ap 13 Nov-15 Nov 007/008-005/005-006/005 VI. Geomagnetic Activity Probabilities 13 Nov-15 Nov A. Middle Latitudes Active 15/10/10 Minor Storm 05/05/01 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 25/20/20 Major-severe storm 25/20/15