:Product: 19970212RSGA.txt :Issued: 1997 Feb 12 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 043 ISSUED AT 2200Z ON 12 FEB 1997 IA. ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM 11/2100Z TO 12/2100Z: SOLAR ACTIVITY REMAINED VERY LOW. THE DISK CONTINUED SPOTLESS. IB. SOLAR ACTIVITY FORECAST: SOLAR ACTIVITY SHOULD REMAIN AT VERY LOW LEVELS FOR THE NEXT THREE DAYS. IIA. GEOPHYSICAL ACTIVITY SUMMARY FROM 11/2100Z TO 12/2100Z: THE GEOMAGNETIC FIELD WAS UNSETTLED TO SLIGHTLY ACTIVE FOR THE FIRST HALF OF THE PERIOD AND QUIET FOR THE LATTER HALF. SOLAR WIND DATA SHOW A BENIGN FLOW IN THE EARTH'S VICINITY NOW THAT THE MAGNETIC CLOUD/CME PASSED BY THE EARTH. ENERGETIC ELECTRON FLUXES AT GEOSYNCHRONOUS ORBIT WERE HIGH. IIB. GEOPHYSICAL ACTIVITY FORECAST: THE GEOMAGNETIC FIELD IS FORECAST TO BE PREDOMINANTLY QUIET FOR THE NEXT THREE DAYS. III. EVENT PROBABILITIES 13 FEB-15 FEB CLASS M 01/01/01 CLASS X 01/01/01 PROTON 01/01/01 PCAF GREEN IV. PENTICTON 10.7 CM FLUX OBSERVED 12 FEB 071 PREDICTED 13 FEB-15 FEB 071/071/071 90 DAY MEAN 12 FEB 078 V. GEOMAGNETIC A INDICES OBSERVED AFR/AP 11 FEB 017/020 ESTIMATED AFR/AP 12 FEB 007/010 PREDICTED AFR/AP 13 FEB-15 FEB 005/005-005/005-005/010 VI. GEOMAGNETIC ACTIVITY PROBABILITIES 13 FEB-15 FEB 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