:Product: 0123RSGA.txt :Issued: 2011 Jan 23 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 023 Issued at 2200Z on 23 Jan 2011 IA. Analysis of Solar Active Regions and Activity from 22/2100Z to 23/2100Z: Solar activity was very low. Regions 1147 (N24W36) and 1149 (N17W32) were quiet and stable. SOHO C2 imagery observed a CME liftoff at 23/0125Z off the northwest limb. IB. Solar Activity Forecast: Solar activity is expected to be very low to low. IIA. Geophysical Activity Summary 22/2100Z to 23/2100Z: The geomagnetic field was quiet. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be quiet for the next three days (24 - 26 January. The CME mentioned in part 1A is not expected to be geoeffective. III. Event Probabilities 24 Jan-26 Jan Class M 05/05/05 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 23 Jan 084 Predicted 24 Jan-26 Jan 088/088/088 90 Day Mean 23 Jan 084 V. Geomagnetic A Indices Observed Afr/Ap 22 Jan 003/002 Estimated Afr/Ap 23 Jan 005/005 Predicted Afr/Ap 24 Jan-26 Jan 005/005-005/005-005/005 VI. Geomagnetic Activity Probabilities 24 Jan-26 Jan A. Middle Latitudes Active 10/10/10 Minor storm 01/01/01 Major-severe storm 01/01/01 B. High Latitudes Active 10/10/10 Minor storm 01/01/01 Major-severe storm 01/01/01