:Product: 1102RSGA.txt :Issued: 2011 Nov 02 2200 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 306 Issued at 2200Z on 02 Nov 2011 IA. Analysis of Solar Active Regions and Activity from 01/2100Z to 02/2100Z: Solar activity was low. Region 1339 (N18E63) produced occasional C-class flares, the largest of which was a C7/Sf at 02/1721Z. It rotated more fully into view as a Dkc/beta-gamma group. No significant changes were observed in Region 1339, but analysis was hampered by east limb proximity. No significant changes occurred in the remaining regions. IB. Solar Activity Forecast: Solar activity is expected to be low through the period (03 - 05 November) with a chance for an M-class flare from Region 1339. IIA. Geophysical Activity Summary 01/2100Z to 02/2100Z: Geomagnetic field activity ranged from quiet to active levels with minor to major storm periods detected at high latitudes due to persistent effects from a coronal transient. IIB. Geophysical Activity Forecast: Geomagnetic field activity is expected to be at quiet to unsettled levels through the period (03 - 05 November) with a chance for active levels on 05 November due to a coronal hole high-speed stream. The CME mentioned in yesterdays report is expected to arrive at Earth early on 04 November, but is not expected to significantly disturb the field. III. Event Probabilities 03 Nov-05 Nov Class M 50/50/50 Class X 05/05/05 Proton 01/01/01 PCAF Green IV. Penticton 10.7 cm Flux Observed 02 Nov 154 Predicted 03 Nov-05 Nov 160/165/165 90 Day Mean 02 Nov 125 V. Geomagnetic A Indices Observed Afr/Ap 01 Nov 014/021 Estimated Afr/Ap 02 Nov 012/015 Predicted Afr/Ap 03 Nov-05 Nov 007/008-008/010-010/012 VI. Geomagnetic Activity Probabilities 03 Nov-05 Nov A. Middle Latitudes Active 10/15/20 Minor storm 01/05/05 Major-severe storm 01/01/01 B. High Latitudes Active 15/20/25 Minor storm 01/10/10 Major-severe storm 01/01/01