:Product: 0501RSGA.txt :Issued: 2009 May 01 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 121 Issued at 2200Z on 01 May 2009 IA. Analysis of Solar Active Regions and Activity from 30/2100Z to 01/2100Z: Solar activity was very low. Region 1016 (S07W93) produced a B2 flare at 01/0858Z as it approached the east limb. IB. Solar Activity Forecast: Solar activity is expected to be very low. IIA. Geophysical Activity Summary 30/2100Z to 01/2100Z: Geomagnetic field activity was at quiet levels. IIB. Geophysical Activity Forecast: Geomagnetic field activity is expected to be at quiet levels through the forecast period (02 - 04 May). III. Event Probabilities 02 May-04 May Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF Green IV. Penticton 10.7 cm Flux Observed 01 May 069 Predicted 02 May-04 May 070/070/070 90 Day Mean 01 May 070 V. Geomagnetic A Indices Observed Afr/Ap 30 Apr 002/003 Estimated Afr/Ap 01 May 003/005 Predicted Afr/Ap 02 May-04 May 005/005-005/005-005/005 VI. Geomagnetic Activity Probabilities 02 May-04 May 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