:Product: 0321RSGA.txt :Issued: 2008 Mar 21 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 081 Issued at 2200Z on 21 Mar 2008 IA. Analysis of Solar Active Regions and Activity from 20/2100Z to 21/2100Z: Solar activity was at very low levels. The visible solar disk remained spotless. IB. Solar Activity Forecast: Solar activity is expected to continue at very low levels. IIA. Geophysical Activity Summary 20/2100Z to 21/2100Z: The geomagnetic field was at quiet levels. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to remain at predominately quiet levels. III. Event Probabilities 22 Mar-24 Mar Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF Green IV. Penticton 10.7 cm Flux Observed 21 Mar 068 Predicted 22 Mar-24 Mar 070/070/070 90 Day Mean 21 Mar 072 V. Geomagnetic A Indices Observed Afr/Ap 20 Mar 007/008 Estimated Afr/Ap 21 Mar 005/005 Predicted Afr/Ap 22 Mar-24 Mar 005/005-005/005-005/005 VI. Geomagnetic Activity Probabilities 22 Mar-24 Mar A. Middle Latitudes Active 05/05/05 Minor storm 01/01/01 Major-severe storm 01/01/01 B. High Latitudes Active 05/05/05 Minor storm 01/01/01 Major-severe storm 01/01/01