:Product: 0515RSGA.txt :Issued: 2009 May 15 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 135 Issued at 2200Z on 15 May 2009 IA. Analysis of Solar Active Regions and Activity from 14/2100Z to 15/2100Z: Solar activity was very low. Region 1017 (N18E06) remained quiet. IB. Solar Activity Forecast: Solar activity is expected to be very low. IIA. Geophysical Activity Summary 14/2100Z to 15/2100Z: Geomagnetic field activity was at predominately quiet levels. IIB. Geophysical Activity Forecast: Geomagnetic field activity is expected to be predominately quiet for the next three days (16 - 18 May). III. Event Probabilities 16 May-18 May Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF Green IV. Penticton 10.7 cm Flux Observed 15 May 074 Predicted 16 May-18 May 075/075/075 90 Day Mean 15 May 070 V. Geomagnetic A Indices Observed Afr/Ap 14 May 008/008 Estimated Afr/Ap 15 May 005/008 Predicted Afr/Ap 16 May-18 May 005/005-005/005-005/005 VI. Geomagnetic Activity Probabilities 16 May-18 May A. Middle Latitudes Active 05/05/05 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