:Product: 0511RSGA.txt :Issued: 2007 May 11 2203 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Environment Center and the U.S. Air Force. # Joint USAF/NOAA Report of Solar and Geophysical Activity SDF Number 131 Issued at 2200Z on 11 May 2007 IA. Analysis of Solar Active Regions and Activity from 10/2100Z to 11/2100Z: Solar activity was very low. IB. Solar Activity Forecast: Solar activity is expected to be very low to low. C-class flares are possible in Region 955 (S09W06). IIA. Geophysical Activity Summary 10/2100Z to 11/2100Z: The geomagnetic field was quiet. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be mostly quiet. III. Event Probabilities 12 May-14 May Class M 05/05/05 Class X 01/01/01 Proton 01/01/01 PCAF Green IV. Penticton 10.7 cm Flux Observed 11 May 072 Predicted 12 May-14 May 070/070/070 90 Day Mean 11 May 073 V. Geomagnetic A Indices Observed Afr/Ap 10 May 002/003 Estimated Afr/Ap 11 May 003/005 Predicted Afr/Ap 12 May-14 May 005/005-005/008-005/008 VI. Geomagnetic Activity Probabilities 12 May-14 May A. Middle Latitudes Active 15/15/15 Minor storm 05/05/05 Major-severe storm 01/01/01 B. High Latitudes Active 20/20/20 Minor storm 10/10/10 Major-severe storm 05/05/05