:Product: 19961116RSGA.txt :Issued: 1996 Nov 16 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 321 ISSUED AT 2200Z ON 16 NOV 1996 IA. ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM 15/2100Z TO 16/2100Z: SOLAR ACTIVITY WAS VERY LOW. NO FLARES OCCURRED. TWO NEW REGIONS WERE NUMBERED TODAY, 7997 (N08E50), A THREE SPOT 'BXO' BETA GROUP, AND 7998 (S14E46), A TWO SPOT 'AXX' ALPHA GROUP. WITH THESE TWO NEW REGIONS, THERE ARE CURRENTLY FOUR ACTIVE REGIONS ON THE VISIBLE DISK. YESTERDAY'S CARRYOVER REGIONS, 7995 (S00E05) AND 7996 (N31E05), ARE BOTH STABLE AS TWO SPOT 'AXX' ALPHA GROUPS. IB. SOLAR ACTIVITY FORECAST: SOLAR ACTIVITY IS EXPECTED TO BE VERY LOW. IIA. GEOPHYSICAL ACTIVITY SUMMARY FROM 15/2100Z TO 16/2100Z: THE GEOMAGNETIC FIELD HAS BEEN AT MOSTLY QUIET TO UNSETTLED LEVELS FOR THE PAST 24 HOURS, WITH A SINGLE PERIOD OF ACTIVE CONDITIONS RECORDED AT HIGH LATITUDES DURING THE INTERVAL 16/0600-0900Z. IIB. GEOPHYSICAL ACTIVITY FORECAST: THE GEOMAGNETIC FIELD IS EXPECTED TO BE QUIET TO UNSETTLED FOR THE NEXT 24 HOURS, WITH ACTIVITY INCREASING TO UNSETTLED TO ACTIVE ON DAYS TWO AND THREE. III. EVENT PROBABILITIES 17 NOV-19 NOV CLASS M 01/01/01 CLASS X 01/01/01 PROTON 01/01/01 PCAF GREEN IV. PENTICTON 10.7 CM FLUX OBSERVED 16 NOV 074 PREDICTED 17 NOV-19 NOV 074/074/074 90 DAY MEAN 16 NOV 070 V. GEOMAGNETIC A INDICES OBSERVED AFR/AP 15 NOV 013/011 ESTIMATED AFR/AP 16 NOV 006/005 PREDICTED AFR/AP 17 NOV-19 NOV 010/010-015/020-020/025 VI. GEOMAGNETIC ACTIVITY PROBABILITIES 17 NOV-19 NOV A. MIDDLE LATITUDES ACTIVE 20/40/40 MINOR STORM 10/15/15 MAJOR-SEVERE STORM 01/05/05 B. HIGH LATITUDES ACTIVE 20/40/40 MINOR STORM 10/20/20 MAJOR-SEVERE STORM 01/05/05