:Product: 19970228RSGA.txt :Issued: 1997 Feb 28 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 059 ISSUED AT 2200Z ON 28 FEB 1997 IA. ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM 27/2100Z TO 28/2100Z: SOLAR ACTIVITY REMAINED VERY LOW. THE DISK REMAINED SPOTLESS. IB. SOLAR ACTIVITY FORECAST: SOLAR ACTIVITY IS EXPECTED TO REMAIN VERY LOW FOR THE NEXT THREE DAYS. IIA. GEOPHYSICAL ACTIVITY SUMMARY FROM 27/2100Z TO 28/2100Z: THE GEOMAGNETIC FIELD WAS UNSETTLED TO SEVERE STORM. ENERGETIC ELECTRON FLUXES REACHED HIGH LEVELS NEAR 28/1356Z AND REACHED VERY HIGH LEVELS NEAR 28/2000Z. IIB. GEOPHYSICAL ACTIVITY FORECAST: THE GEOMAGNETIC FIELD IS EXPECTED TO BE QUIET TO ACTIVE TOMORROW AND QUIET TO UNSETTLED ON THE SECOND AND THIRD DAYS. III. EVENT PROBABILITIES 01 MAR-03 MAR CLASS M 01/01/01 CLASS X 01/01/01 PROTON 01/01/01 PCAF GREEN IV. PENTICTON 10.7 CM FLUX OBSERVED 28 FEB 073 PREDICTED 01 MAR-03 MAR 074/074/074 90 DAY MEAN 28 FEB 075 V. GEOMAGNETIC A INDICES OBSERVED AFR/AP 27 FEB 022/020 ESTIMATED AFR/AP 28 FEB 027/033 PREDICTED AFR/AP 01 MAR-03 MAR 020/018-015/010-010/008 VI. GEOMAGNETIC ACTIVITY PROBABILITIES 01 MAR-03 MAR A. MIDDLE LATITUDES ACTIVE 50/25/15 MINOR STORM 20/10/05 MAJOR-SEVERE STORM 05/01/01 B. HIGH LATITUDES ACTIVE 50/30/25 MINOR STORM 30/20/15 MAJOR-SEVERE STORM 10/05/01