:Product: 0916RSGA.txt :Issued: 2007 Sep 16 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 259 Issued at 2200Z on 16 Sep 2007 IA. Analysis of Solar Active Regions and Activity from 15/2100Z to 16/2100Z: 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 15/2100Z to 16/2100Z: The geomagnetic field was quiet. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be quiet for the forecast period, 17 - 19 September. III. Event Probabilities 17 Sep-19 Sep Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF Green IV. Penticton 10.7 cm Flux Observed 16 Sep 067 Predicted 17 Sep-19 Sep 067/067/067 90 Day Mean 16 Sep 070 V. Geomagnetic A Indices Observed Afr/Ap 15 Sep 003/004 Estimated Afr/Ap 16 Sep 003/005 Predicted Afr/Ap 17 Sep-19 Sep 004/005-004/005-004/005 VI. Geomagnetic Activity Probabilities 17 Sep-19 Sep 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 10/10/10 Major-severe storm 01/01/01