:Product: 1216RSGA.txt :Issued: 2008 Dec 16 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 Report of Solar and Geophysical Activity SDF Number 351 Issued at 2200Z on 16 Dec 2008 IA. Analysis of Solar Active Regions and Activity from 15/2100Z to 16/2100Z: Solar activity was very low. The visible solar disk remains spotless. IB. Solar Activity Forecast: Solar activity is expected to be very low. IIA. Geophysical Activity Summary 15/2100Z to 16/2100Z: The geomagnetic field was at quiet levels. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels. III. Event Probabilities 17 Dec-19 Dec Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF Green IV. Penticton 10.7 cm Flux Observed 16 Dec 069 Predicted 17 Dec-19 Dec 068/068/068 90 Day Mean 16 Dec 069 V. Geomagnetic A Indices Observed Afr/Ap 15 Dec 001/001 Estimated Afr/Ap 16 Dec 002/005 Predicted Afr/Ap 17 Dec-19 Dec 005/005-005/005-005/005 VI. Geomagnetic Activity Probabilities 17 Dec-19 Dec A. Middle Latitudes Active 10/05/05 Minor storm 05/01/01 Major-severe storm 01/01/01 B. High Latitudes Active 15/05/05 Minor storm 05/01/01 Major-severe storm 01/01/01