:Product: 20010711RSGA.txt :Issued: 2001 Jul 11 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 192 Issued at 2200Z on 11 Jul 2001 IA. Analysis of Solar Active Regions and Activity from 10/2100Z to 11/2100Z: Solar activity has been low. Two C-class flares occurred today: an optically uncorrelated C2 at 11/1711 UTC, and a C1/Sf at 11/0043 UTC from Region 9531 (S06W20). Three new regions were numbered today: 9536 (N11E40), 9537 (S07E39), and 9538 (N17E86). IB. Solar Activity Forecast: Solar activity is expected to be at very low to low levels for the next three days. IIA. Geophysical Activity Summary 10/2100Z to 11/2100Z: Geomagnetic field activity was at quiet to unsettled levels. IIB. Geophysical Activity Forecast: Geomagnetic field activity is expected to persist at quiet to unsettled levels for the next three days. III. Event Probabilities 12 Jul-14 Jul Class M 15/15/15 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 11 Jul 132 Predicted 12 Jul-14 Jul 135/135/140 90 Day Mean 11 Jul 158 V. Geomagnetic A Indices Observed Afr/Ap 10 Jul 007/011 Estimated Afr/Ap 11 Jul 006/009 Predicted Afr/Ap 12 Jul-14 Jul 008/010-008/010-008/010 VI. Geomagnetic Activity Probabilities 12 Jul-14 Jul A. Middle Latitudes Active 15/15/15 Minor storm 05/05/05 Major-severe storm 01/01/01 B. High Latitudes Active 20/20/20 Minor storm 05/05/05 Major-severe storm 01/01/01