:Product: 1226RSGA.txt :Issued: 2008 Dec 26 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 361 Issued at 2200Z on 26 Dec 2008 IA. Analysis of Solar Active Regions and Activity from 25/2100Z to 26/2100Z: 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 25/2100Z to 26/2100Z: Geomagnetic field activity was at quiet levels at all latitudes. IIB. Geophysical Activity Forecast: Geomagnetic field activity is expected to be at quiet levels throughout the forecast period (27 - 29 December). III. Event Probabilities 27 Dec-29 Dec Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 26 Dec 069 Predicted 27 Dec-29 Dec 071/071/071 90 Day Mean 26 Dec 069 V. Geomagnetic A Indices Observed Afr/Ap 25 Dec 002/003 Estimated Afr/Ap 26 Dec 002/005 Predicted Afr/Ap 27 Dec-29 Dec 005/005-005/005-005/005 VI. Geomagnetic Activity Probabilities 27 Dec-29 Dec A. Middle Latitudes Active 01/01/01 Minor storm 01/01/01 Major-severe storm 01/01/01 B. High Latitudes Active 05/01/01 Minor storm 01/01/01 Major-severe storm 01/01/01