:Product: 0908RSGA.txt :Issued: 2010 Sep 08 2201 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Report of Solar and Geophysical Activity SDF Number 251 Issued at 2200Z on 08 Sep 2010 IA. Analysis of Solar Active Regions and Activity from 07/2100Z to 08/2100Z: Solar activity was very low. Region 1105 (N19W90) was quiet and stable during the period. IB. Solar Activity Forecast: Solar activity is expected to remain at very low levels for the next three days (09 - 11 September). IIA. Geophysical Activity Summary 07/2100Z to 08/2100Z: The geomagnetic field was quiet to unsettled. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to unsettled levels for day one (09 September) and mostly quiet for days two and three (10 - 11 September). III. Event Probabilities 09 Sep-11 Sep Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF Green IV. Penticton 10.7 cm Flux Observed 08 Sep 075 Predicted 09 Sep-11 Sep 076/076/077 90 Day Mean 08 Sep 078 V. Geomagnetic A Indices Observed Afr/Ap 07 Sep 007/009 Estimated Afr/Ap 08 Sep 009/011 Predicted Afr/Ap 09 Sep-11 Sep 005/008-005/005-005/005 VI. Geomagnetic Activity Probabilities 09 Sep-11 Sep A. Middle Latitudes Active 05/05/10 Minor storm 01/01/01 Major-severe storm 01/01/01 B. High Latitudes Active 10/05/10 Minor storm 01/01/01 Major-severe storm 01/01/01