:Product: 0822RSGA.txt :Issued: 2016 Aug 22 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 235 Issued at 2200Z on 22 Aug 2016 IA. Analysis of Solar Active Regions and Activity from 21/2100Z to 22/2100Z: Solar activity has been at very low levels for the past 24 hours. There are currently 2 numbered sunspot regions on the disk. IB. Solar Activity Forecast: Solar activity is expected to be very low with a chance for a C-class flares on days one, two, and three (23 Aug, 24 Aug, 25 Aug). IIA. Geophysical Activity Summary 21/2100Z to 22/2100Z: The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 427 km/s at 22/0256Z. Total IMF reached 7 nT at 22/0059Z. The maximum southward component of Bz reached -5 nT at 22/0112Z. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to unsettled levels on day one (23 Aug) and quiet to active levels on days two and three (24 Aug, 25 Aug). III. Event probabilities 23 Aug-25 Aug Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 22 Aug 080 Predicted 23 Aug-25 Aug 080/080/080 90 Day Mean 22 Aug 084 V. Geomagnetic A Indices Observed Afr/Ap 21 Aug 009/008 Estimated Afr/Ap 22 Aug 005/005 Predicted Afr/Ap 23 Aug-25 Aug 007/008-010/012-011/012 VI. Geomagnetic Activity Probabilities 23 Aug-25 Aug A. Middle Latitudes Active 10/25/25 Minor Storm 05/10/05 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 20/20/20 Major-severe storm 20/20/20