:Product: 0404RSGA.txt :Issued: 2007 Apr 04 2249 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 094 Issued at 2200Z on 04 Apr 2007 IA. Analysis of Solar Active Regions and Activity from 03/2100Z to 04/2100Z: Solar activity has been very low. IB. Solar Activity Forecast: Solar activity is expected to be very low. IIA. Geophysical Activity Summary 03/2100Z to 04/2100Z: The geomagnetic field was quiet to unsettled with an isolated active period. The greater than 2 MeV electron flux at geosynchronous orbit reached high levels again today. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be quiet April 5 - 7. III. Event Probabilities 05 Apr-07 Apr Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF Green IV. Penticton 10.7 cm Flux Observed 04 Apr 071 Predicted 05 Apr-07 Apr 072/072/072 90 Day Mean 04 Apr 077 V. Geomagnetic A Indices Observed Afr/Ap 03 Apr 010/011 Estimated Afr/Ap 04 Apr 006/008 Predicted Afr/Ap 05 Apr-07 Apr 004/005-004/005-004/005 VI. Geomagnetic Activity Probabilities 05 Apr-07 Apr A. Middle Latitudes Active 15/15/15 Minor storm 10/10/10 Major-severe storm 01/01/01 B. High Latitudes Active 20/20/20 Minor storm 15/15/15 Major-severe storm 05/05/05