:Product: 1121RSGA.txt :Issued: 2018 Nov 21 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 325 Issued at 2200Z on 21 Nov 2018 IA. Analysis of Solar Active Regions and Activity from 20/2100Z to 21/2100Z: 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 (22 Nov, 23 Nov, 24 Nov). IIA. Geophysical Activity Summary 20/2100Z to 21/2100Z: The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 453 km/s at 21/1314Z. Total IMF reached 9 nT at 21/0341Z. The maximum southward component of Bz reached -6 nT at 21/0039Z. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one, two, and three (22 Nov, 23 Nov, 24 Nov). III. Event probabilities 22 Nov-24 Nov Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 21 Nov 069 Predicted 22 Nov-24 Nov 070/070/070 90 Day Mean 21 Nov 069 V. Geomagnetic A Indices Observed Afr/Ap 20 Nov 005/005 Estimated Afr/Ap 21 Nov 008/008 Predicted Afr/Ap 22 Nov-24 Nov 006/005-006/005-006/005 VI. Geomagnetic Activity Probabilities 22 Nov-24 Nov A. Middle Latitudes Active 10/10/10 Minor Storm 01/01/01 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 20/20/20 Major-severe storm 20/15/15