:Product: 19960121RSGA.txt :Issued: 1996 Jan 21 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 021 ISSUED AT 2200Z ON 21 JAN 1996 IA. ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM 20/2100Z TO 21/2100Z: SOLAR ACTIVITY WAS VERY LOW. REGION 7942 (NO1W22) WAS NUMBERED TO DAY. IB. SOLAR ACTIVITY FORECAST: SOLAR ACTIVITY IS EXPECTED TO BE AT VERY LOW LEVELS THROUGHOUT THIS FORECAST PERIOD. IIA. GEOPHYSICAL ACTIVITY SUMMARY FROM 20/2100Z TO 21/2100Z: THE GEOMAGNETIC FIELD HAS BEEN AT MOSTLY QUIET LEVELS FOR THE PAST 24 HOURS. IIB. GEOPHYSICAL ACTIVITY FORECAST: THE GEOMAGNETIC FIELD IS EXPECTED TO BE AT QUIET TO UNSETTLED LEVELS. THE UNSETTLED PERIODS ARE EXPECTED TO OCCUR AS THE CORONAL HOLE'S TRAILING EDGE PASSES THROUGH GEO-EFFECTIVE POSITIONING ON THE DISK. III. EVENT PROBABILITIES 22 JAN-24 JAN CLASS M 01/01/01 CLASS X 01/01/01 PROTON 01/01/01 PCAF GREEN IV. PENTICTON 10.7 CM FLUX OBSERVED 21 JAN 072 PREDICTED 22 JAN-24 JAN 070/070/070 90 DAY MEAN 21 JAN 074 V. GEOMAGNETIC A INDICES OBSERVED AFR/AP 20 JAN 010/012 ESTIMATED AFR/AP 21 JAN 006/012 PREDICTED AFR/AP 22 JAN-24 JAN 010/015-010/012-005/010 VI. GEOMAGNETIC ACTIVITY PROBABILITIES 22 JAN-24 JAN A. MIDDLE LATITUDES ACTIVE 30/20/10 MINOR STORM 10/05/05 MAJOR-SEVERE STORM 05/01/01 B. HIGH LATITUDES ACTIVE 35/20/10 MINOR STORM 15/10/05 MAJOR-SEVERE STORM 10/01/01 NNN