:Product: 20000807RSGA.txt :Issued: 2000 Aug 07 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 220 ISSUED AT 2200Z ON 07 AUG 2000 IA. ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM 06/2100Z TO 07/2100Z: SOLAR ACTIVITY WAS LOW. ONLY A FEW SMALL C-CLASS FLARES OCCURRED, NONE OF WHICH WERE ASSOCIATED WITH REPORTED OPTICAL FLARES. REGION 9114 (N12E14) CONTINUED TO PRODUCE SMALL SUBFLARES. THIS REGION HAS DECLINED SOMEWHAT IN SUNSPOT AREA AND COMPLEXITY. NEW REGION 9122 (N21E47) IS EMERGING RAPIDLY. IB. SOLAR ACTIVITY FORECAST: SOLAR ACTIVITY IS EXPECTED TO BE LOW. ADDITIONAL SMALL C-CLASS FLARES ARE EXPECTED. IIA. GEOPHYSICAL ACTIVITY SUMMARY 06/2100Z TO 07/2100Z: THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED. THE GREATER THAN 2 MEV ELECTRON FLUX AT GEOSYNCHRONOUS ORBIT WAS MODERATE. IIB. GEOPHYSICAL ACTIVITY FORECAST: THE GEOMAGNETIC FIELD IS EXPECTED TO BE QUIET TO UNSETTLED FOR THE ENTIRE FORECAST PERIOD. III. EVENT PROBABILITIES 08 AUG-10 AUG CLASS M 30/30/30 CLASS X 01/01/01 PROTON 01/01/01 PCAF GREEN IV. PENTICTON 10.7 CM FLUX OBSERVED 07 AUG 167 PREDICTED 08 AUG-10 AUG 170/175/180 90 DAY MEAN 07 AUG 191 V. GEOMAGNETIC A INDICES OBSERVED AFR/AP 06 AUG 015/018 ESTIMATED AFR/AP 07 AUG 010/010 PREDICTED AFR/AP 08 AUG-10 AUG 010/012-010/010-010/010 VI. GEOMAGNETIC ACTIVITY PROBABILITIES 08 AUG-10 AUG A. MIDDLE LATITUDES ACTIVE 10/10/10 MINOR STORM 01/01/01 MAJOR-SEVERE STORM 01/01/01 B. HIGH LATITUDES ACTIVE 15/15/15 MINOR STORM 01/01/01 MAJOR-SEVERE STORM 01/01/01