:Product: 0127RSGA.txt :Issued: 2008 Jan 27 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 027 Issued at 2200Z on 27 Jan 2008 IA. Analysis of Solar Active Regions and Activity from 26/2100Z to 27/2100Z: Solar activity was very low. The visible disk remains 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 quiet. The greater than 2 MeV electron flux at geosynchronous orbit reached high levels again today. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be predominantly quiet. III. Event Probabilities 28 Jan-30 Jan Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF Green IV. Penticton 10.7 cm Flux Observed 27 Jan 072 Predicted 28 Jan-30 Jan 075/075/080 90 Day Mean 27 Jan 074 V. Geomagnetic A Indices Observed Afr/Ap 26 Jan 006/005 Estimated Afr/Ap 27 Jan 005/005 Predicted Afr/Ap 28 Jan-30 Jan 005/005-005/008-005/005 VI. Geomagnetic Activity Probabilities 28 Jan-30 Jan A. Middle Latitudes Active 10/10/10 Minor storm 05/05/05 Major-severe storm 01/01/01 B. High Latitudes Active 10/15/10 Minor storm 05/05/05 Major-severe storm 01/01/01