:Product: 1205RSGA.txt :Issued: 2007 Dec 05 2203 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 339 Issued at 2200Z on 05 Dec 2007 IA. Analysis of Solar Active Regions and Activity from 04/2100Z to 05/2100Z: Solar activity was at very low levels. Region 977 (S06E13) was the only spotted region on the solar disk. This region declined slightly in area, however, it remains a Dso type spot group. IB. Solar Activity Forecast: Solar activity is expected to remain very low. IIA. Geophysical Activity Summary 04/2100Z to 05/2100Z: The geomagnetic field was at quiet levels. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to remain at quiet levels for the forecast period (06 - 08 December). III. Event Probabilities 06 Dec-08 Dec Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 05 Dec 075 Predicted 06 Dec-08 Dec 075/075/075 90 Day Mean 05 Dec 068 V. Geomagnetic A Indices Observed Afr/Ap 04 Dec 000/002 Estimated Afr/Ap 05 Dec 003/005 Predicted Afr/Ap 06 Dec-08 Dec 005/005-005/005-005/005 VI. Geomagnetic Activity Probabilities 06 Dec-08 Dec A. Middle Latitudes Active 05/05/05 Minor storm 01/01/01 Major-severe storm 01/01/01 B. High Latitudes Active 10/10/10 Minor storm 05/05/05 Major-severe storm 01/01/01