:Product: 19981103RSGA.txt :Issued: 1998 Nov 03 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 307 ISSUED AT 2200Z ON 03 NOV 1998 IA. ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM 02/2100Z TO 03/2100Z: SOLAR ACTIVITY WAS MODERATE. THIS WAS CAUSED BY A SINGLE M1/2N FLARE THAT OCCURRED ON 03/1933UT IN REGION 8375 (N18E07). FOR THE REST OF THE DAY ACTIVITY WAS VERY LOW. REGION 8375 WAS THE MOST ACTIVE REGION WITH A 22 SPOT CAO, BETA-GAMMA GROUP. A NEW REGION 8378 (N17E76) WAS NUMBERED. IT IS ROTATING ONTO THE EAST LIMB AND CURRENTLY IS A SINGLE SPOT HAX, BETA GROUP. THE REST OF THE DISK AND LIMB WAS MOSTLY QUIET AND STABLE. IB. SOLAR ACTIVITY FORECAST: SOLAR ACTIVITY IS EXPECTED TO BE LOW WITH THE REMOTE POSSIBILITY OF REGION 8375 PRODUCING AN ISOLATED M-CLASS FLARE. IIA. GEOPHYSICAL ACTIVITY SUMMARY FROM 02/2100Z TO 03/2100Z: THE GEOMAGNETIC FILED WAS QUIET. IIB. GEOPHYSICAL ACTIVITY FORECAST: THE GEOMAGNETIC FIELD IS EXPECTED TO BE QUIET TO UNSETTLED. THERE IS A POSSIBILITY OF ACTIVE CONDITIONS OCCURRING ON 05 NOVEMBER DUE TO THE M1 EVENT ON 03/1933UT. III. EVENT PROBABILITIES 04 NOV-06 NOV CLASS M 25/25/25 CLASS X 05/05/05 PROTON 05/01/01 PCAF GREEN IV. PENTICTON 10.7 CM FLUX OBSERVED 03 NOV 152 PREDICTED 04 NOV-06 NOV 135/140/140 90 DAY MEAN 03 NOV 131 V. GEOMAGNETIC A INDICES OBSERVED AFR/AP 02 NOV 003/005 ESTIMATED AFR/AP 03 NOV 007/008 PREDICTED AFR/AP 04 NOV-06 NOV 008/008-020/008-010/008 VI. GEOMAGNETIC ACTIVITY PROBABILITIES 04 NOV-06 NOV A. MIDDLE LATITUDES ACTIVE 10/35/15 MINOR STORM 05/15/10 MAJOR-SEVERE STORM 01/01/01 B. HIGH LATITUDES ACTIVE 10/50/20 MINOR STORM 05/25/15 MAJOR-SEVERE STORM 01/01/01