:Product: 1011RSGA.txt :Issued: 2007 Oct 11 2310 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Report of Solar and Geophysical Activity SDF Number 284 Issued at 2200Z on 11 Oct 2007 IA. Analysis of Solar Active Regions and Activity from 10/2100Z to 11/2100Z: Solar activity has been at very low levels. The visible solar disk remained spotless. IB. Solar Activity Forecast: Solar activity is expected to continue at very low levels. IIA. Geophysical Activity Summary 10/2100Z to 11/2100Z: The geomagnetic field was at quiet levels. The greater than 2 MeV electron flux at geosynchronous orbit reached high levels again today. IIB. Geophysical Activity Forecast: The geomagnetic field should remain at mostly quiet levels for the next three days (12 - 14 October). There is a slight chance on day one for isolated unsettled levels, due to a recurrent coronal hole. III. Event Probabilities 12 Oct-14 Oct Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF Green IV. Penticton 10.7 cm Flux Observed 11 Oct 069 Predicted 12 Oct-14 Oct 069/069/069 90 Day Mean 11 Oct 068 V. Geomagnetic A Indices Observed Afr/Ap 10 Oct 001/003 Estimated Afr/Ap 11 Oct 002/005 Predicted Afr/Ap 12 Oct-14 Oct 005/005-005/005-005/005 VI. Geomagnetic Activity Probabilities 12 Oct-14 Oct A. Middle Latitudes Active 10/05/05 Minor storm 01/01/01 Major-severe storm 01/01/01 B. High Latitudes Active 15/10/10 Minor storm 01/01/01 Major-severe storm 01/01/01