:Product: 19960824RSGA.txt :Issued: 1996 Aug 24 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 237 ISSUED AT 2200Z ON 24 AUG 1996 IA. ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM 23/2100Z TO 24/2100Z: SOLAR ACTIVITY WAS VERY LOW. IB. SOLAR ACTIVITY FORECAST: SOLAR ACTIVITY IS EXPECTED TO BE VERY LOW THROUGH THE FORECAST PERIOD. REGION 7986 DOES HAVE POTENTIAL TO PRODUCE A C-CLASS FLARE. IIA. GEOPHYSICAL ACTIVITY SUMMARY FROM 23/2100Z TO 24/2100Z: THE GEOMAGNETIC FIELD HAS BEEN AT QUIET TO UNSETTLED LEVELS FOR THE PAST 24 HOURS. IIB. GEOPHYSICAL ACTIVITY FORECAST: THE GEOMAGNETIC FIELD IS EXPECTED TO BE QUIET TO UNSETTLED. UNSETTLED TO SLIGHTLY ACTIVE LEVELS ARE POSSIBLE THE THIRD DAY DUE TO A RECURRENT CORONAL HOLE. III. EVENT PROBABILITIES 25 AUG-27 AUG CLASS M 01/01/01 CLASS X 01/01/01 PROTON 01/01/01 PCAF GREEN IV. PENTICTON 10.7 CM FLUX OBSERVED 24 AUG 075 PREDICTED 25 AUG-27 AUG 076/077/078 90 DAY MEAN 24 AUG 071 V. GEOMAGNETIC A INDICES OBSERVED AFR/AP 23 AUG 013/015 ESTIMATED AFR/AP 24 AUG 010/008 PREDICTED AFR/AP 25 AUG-27 AUG 008/010-010/012-015/015 VI. GEOMAGNETIC ACTIVITY PROBABILITIES 25 AUG-27 AUG A. MIDDLE LATITUDES ACTIVE 10/10/15 MINOR STORM 05/05/05 MAJOR-SEVERE STORM 01/01/01 B. HIGH LATITUDES ACTIVE 15/15/20 MINOR STORM 05/10/10 MAJOR-SEVERE STORM 01/01/05