:Product: 1227RSGA.txt :Issued: 2008 Dec 27 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 362 Issued at 2200Z on 27 Dec 2008 IA. Analysis of Solar Active Regions and Activity from 26/2100Z to 27/2100Z: Solar activity was very low. No flares were observed. The visible disk was spotless. IB. Solar Activity Forecast: Solar activity is expected to be very low. IIA. Geophysical Activity Summary 26/2100Z to 27/2100Z: The geomagnetic field was at quiet levels at all latitudes. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels throughout the forecast period (28 - 30 December). III. Event Probabilities 28 Dec-30 Dec Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 27 Dec 069 Predicted 28 Dec-30 Dec 071/071/071 90 Day Mean 27 Dec 069 V. Geomagnetic A Indices Observed Afr/Ap 26 Dec 002/001 Estimated Afr/Ap 27 Dec 002/005 Predicted Afr/Ap 28 Dec-30 Dec 005/005-005/005-005/005 VI. Geomagnetic Activity Probabilities 28 Dec-30 Dec A. Middle Latitudes Active 01/01/05 Minor storm 01/01/01 Major-severe storm 01/01/01 B. High Latitudes Active 01/01/05 Minor storm 01/01/01 Major-severe storm 01/01/01