:Product: 20001204RSGA.txt :Issued: 2000 Dec 04 2200 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 339 Issued at 2200Z on 04 Dec 2000 IA. Analysis of Solar Active Regions and Activity from 03/2100Z to 04/2100Z: Solar activity has been very low. All regions remained stable through the period. New Region 9256 (S16E65) was numbered today. IB. Solar Activity Forecast: Solar activity is expected to be low for the forecast period. IIA. Geophysical Activity Summary 03/2100Z to 04/2100Z: The geomagnetic field has been quiet to unsettled. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be quiet to unsettled for the next three days. III. Event Probabilities 05 Dec-07 Dec Class M 10/10/10 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 04 Dec 152 Predicted 05 Dec-07 Dec 150/150/145 90 Day Mean 04 Dec 176 V. Geomagnetic A Indices Observed Afr/Ap 03 Dec 007/012 Estimated Afr/Ap 04 Dec 010/010 Predicted Afr/Ap 05 Dec-07 Dec 010/010-010/010-010/010 VI. Geomagnetic Activity Probabilities 05 Dec-07 Dec A. Middle Latitudes Active 20/20/20 Minor storm 05/05/05 Major-severe storm 01/01/01 B. High Latitudes Active 25/25/25 Minor storm 10/10/10 Major-severe storm 05/05/05