:Product: 19960808RSGA.txt :Issued: 1996 Aug 08 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 221 ISSUED AT 2200Z ON 08 AUG 1996 IA. ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM 07/2100Z TO 08/2100Z: SOLAR ACTIVITY WAS LOW. A C1.0 X-RAY FLARE OCCURRED AT 07/2320Z WITH NO OPTICAL CORRELATION. A VERY FAINT FRAGMENTED 21 DEGREE FILAMENT DISAPPEARED FROM N25W46 BETWEEN 07/1641Z AND 08/0508Z. IB. SOLAR ACTIVITY FORECAST: SOLAR ACTIVITY IS EXPECTED TO BE VERY LOW. IIA. GEOPHYSICAL ACTIVITY SUMMARY FROM 07/2100Z TO 08/2100Z: THE GEOMAGNETIC FIELD HAS BEEN AT QUIET LEVELS FOR THE PAST 24 HOURS. IIB. GEOPHYSICAL ACTIVITY FORECAST: THE GEOMAGNETIC FIELD IS EXPECTED TO BE AT QUIET LEVELS THROUGHOUT THE FORECAST PERIOD. III. EVENT PROBABILITIES 09 AUG-11 AUG CLASS M 01/01/01 CLASS X 01/01/01 PROTON 01/01/01 PCAF GREEN IV. PENTICTON 10.7 CM FLUX OBSERVED 08 AUG 070 PREDICTED 09 AUG-11 AUG 069/068/068 90 DAY MEAN 08 AUG 070 V. GEOMAGNETIC A INDICES OBSERVED AFR/AP 07 AUG 005/005 ESTIMATED AFR/AP 08 AUG 005/005 PREDICTED AFR/AP 09 AUG-11 AUG 007/005-007/005-007/005 VI. GEOMAGNETIC ACTIVITY PROBABILITIES 09 AUG-11 AUG A. MIDDLE LATITUDES ACTIVE 10/10/10 MINOR STORM 05/05/05 MAJOR-SEVERE STORM 01/01/01 B. HIGH LATITUDES ACTIVE 10/10/10 MINOR STORM 05/05/05 MAJOR-SEVERE STORM 01/01/01