:Product: 0723RSGA.txt :Issued: 2007 Jul 23 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 204 Issued at 2200Z on 23 Jul 2007 IA. Analysis of Solar Active Regions and Activity from 22/2100Z to 23/2100Z: Solar activity was very low. The visible disk remains spotless. IB. Solar Activity Forecast: Solar activity is expected to remain very low. IIA. Geophysical Activity Summary 22/2100Z to 23/2100Z: The geomagnetic field was quiet. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be quiet 24 - 25 July. On 26 July the geomagnetic field is expected to be unsettled to active as a recurrent coronal hole rotates into a geoeffective position. III. Event Probabilities 24 Jul-26 Jul Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF Green IV. Penticton 10.7 cm Flux Observed 23 Jul 067 Predicted 24 Jul-26 Jul 068/068/068 90 Day Mean 23 Jul 074 V. Geomagnetic A Indices Observed Afr/Ap 22 Jul 003/004 Estimated Afr/Ap 23 Jul 003/005 Predicted Afr/Ap 24 Jul-26 Jul 005/005-005/005-010/015 VI. Geomagnetic Activity Probabilities 24 Jul-26 Jul A. Middle Latitudes Active 10/10/30 Minor storm 05/05/15 Major-severe storm 01/01/01 B. High Latitudes Active 15/20/35 Minor storm 05/10/20 Major-severe storm 01/05/10