:Product: 19970509RSGA.txt :Issued: 1997 May 09 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 129 ISSUED AT 2200Z ON 09 MAY 1997 IA. ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM 08/2100Z TO 09/2100Z: SOLAR ACTIVITY WAS VERY LOW. NO FLARES OCCURRED. REGION 8038 (N21E20), THE ONLY ACTIVE REGION ON THE VISIBLE DISK, IS CURRENTLY A STABLE FOUR SPOT 'CSO' BETA GROUP. IB. SOLAR ACTIVITY FORECAST: SOLAR ACTIVITY IS EXPECTED TO BE VERY LOW. IIA. GEOPHYSICAL ACTIVITY SUMMARY FROM 08/2100Z TO 09/2100Z: THE GEOMAGNETIC FIELD HAS BEEN QUIET FOR THE PAST 24 HOURS, EXCEPT FOR A SINGLE PERIOD OF UNSETTLED CONDITIONS AT HIGH LATITUDES DURING THE INTERVAL 09/0600-0900Z. IIB. GEOPHYSICAL ACTIVITY FORECAST: THE GEOMAGNETIC FIELD IS EXPECTED TO BE QUIET TO UNSETTLED FOR THE NEXT THREE DAYS. III. EVENT PROBABILITIES 10 MAY-12 MAY CLASS M 01/01/01 CLASS X 01/01/01 PROTON 01/01/01 PCAF GREEN IV. PENTICTON 10.7 CM FLUX OBSERVED 09 MAY 072 PREDICTED 10 MAY-12 MAY 073/073/074 90 DAY MEAN 09 MAY 074 V. GEOMAGNETIC A INDICES OBSERVED AFR/AP 08 MAY 006/005 ESTIMATED AFR/AP 09 MAY 005/008 PREDICTED AFR/AP 10 MAY-12 MAY 005/010-005/008-005/005 VI. GEOMAGNETIC ACTIVITY PROBABILITIES 10 MAY-12 MAY 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 10/10/10 MAJOR-SEVERE STORM 05/05/05