:Product: 19960210RSGA.txt :Issued: 1996 Feb 10 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 041 ISSUED AT 2200Z ON 10 FEB 1996 IA. ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM 09/2100Z TO 10/2100Z: SOLAR ACTIVITY WAS VERY LOW. EXCEPT FOR A LARGE QUIET FILAMENT AT N45E03, THE ENTIRE VISIBLE DISK IS VIRTUALLY BLANK. IB. SOLAR ACTIVITY FORECAST: SOLAR ACTIVITY IS EXPECTED TO REMAIN AT VERY LOW LEVELS FOR THE NEXT THREE DAYS. IIA. GEOPHYSICAL ACTIVITY SUMMARY FROM 09/2100Z TO 10/2100Z: THE GEOMAGNETIC FIELD HAS BEEN AT QUIET TO UNSETTLED LEVELS AT MIDDLE LATITUDES AND QUIET TO MINOR STORM LEVELS AT HIGH LATITUDES FOR THE PAST 24 HOURS. HIGH LATITUDES WERE AT QUIET LEVELS UNTIL THE COMMENCEMENT OF ACTIVE AND MINOR STORM ACTIVITY DURING THE 10/1200-1500Z TIME INTERVAL. IIB. GEOPHYSICAL ACTIVITY FORECAST: THE GEOMAGNETIC FIELD IS EXPECTED TO BE QUIET TO UNSETTLED, WITH INTERMITTENT ACTIVE PERIODS AT HIGH LATITUDES FOR THE NEXT TWO DAYS. ACTIVITY IS EXPECTED TO DROP BACK TO QUIET TO UNSETTLED LEVELS AT ALL LATITUDES ON DAY THREE. III. EVENT PROBABILITIES 11 FEB-13 FEB CLASS M 01/01/01 CLASS X 01/01/01 PROTON 01/01/01 PCAF GREEN IV. PENTICTON 10.7 CM FLUX OBSERVED 10 FEB 070 PREDICTED 11 FEB-13 FEB 070/070/070 90 DAY MEAN 10 FEB 073 V. GEOMAGNETIC A INDICES OBSERVED AFR/AP 09 FEB 007/005 ESTIMATED AFR/AP 10 FEB 008/010 PREDICTED AFR/AP 11 FEB-13 FEB 008/010-008/008-010/005 VI. GEOMAGNETIC ACTIVITY PROBABILITIES 11 FEB-13 FEB A. MIDDLE LATITUDES ACTIVE 10/10/15 MINOR STORM 05/05/10 MAJOR-SEVERE STORM 01/01/01 B. HIGH LATITUDES ACTIVE 10/10/15 MINOR STORM 05/05/10 MAJOR-SEVERE STORM 01/01/01