:Product: 0415RSGA.txt :Issued: 2007 Apr 15 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 105 Issued at 2200Z on 15 Apr 2007 IA. Analysis of Solar Active Regions and Activity from 14/2100Z to 15/2100Z: Solar activity was very low. No new regions were numbered today. IB. Solar Activity Forecast: Solar activity is expected to be very low. IIA. Geophysical Activity Summary 14/2100Z to 15/2100Z: The geomagnetic field was mostly quiet. One period of unsettled conditions was observed at high latitudes at 14/2400 UTC. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be predominately quiet. III. Event Probabilities 16 Apr-18 Apr Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF Green IV. Penticton 10.7 cm Flux Observed 15 Apr 069 Predicted 16 Apr-18 Apr 070/070/070 90 Day Mean 15 Apr 075 V. Geomagnetic A Indices Observed Afr/Ap 14 Apr 003/004 Estimated Afr/Ap 15 Apr 005/005 Predicted Afr/Ap 16 Apr-18 Apr 005/005-005/005-005/005 VI. Geomagnetic Activity Probabilities 16 Apr-18 Apr A. Middle Latitudes Active 10/10/10 Minor storm 05/05/05 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor storm 05/05/05 Major-severe storm 01/01/01