:Product: 19960621RSGA.txt :Issued: 1996 Jun 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 173 ISSUED AT 2200Z ON 21 JUN 1996 IA. ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM 20/2100Z TO 21/2100Z: SOLAR ACTIVITY CONTINUED VERY LOW. A SMALL A CLASS SPOT EMERGED NEAR N09E17 AND WAS NUMBERED AS NEW REGION 7974. SEVERAL SMALL SPOTLESS PLAGES WERE OBSERVED EAST OF REGION 7973 (N11E46). IB. SOLAR ACTIVITY FORECAST: SOLAR ACTIVITY SHOULD CONTINUE AT A VERY LOW LEVEL FOR THE NEXT THREE DAYS. IIA. GEOPHYSICAL ACTIVITY SUMMARY FROM 20/2100Z TO 21/2100Z: THE GEOMAGNETIC FIELD WAS QUIET. IIB. GEOPHYSICAL ACTIVITY FORECAST: THE GEOMAGNETIC FIELD IS FORECAST TO BE QUIET FOR THE NEXT THREE DAYS. III. EVENT PROBABILITIES 22 JUN-24 JUN CLASS M 01/01/01 CLASS X 01/01/01 PROTON 01/01/01 PCAF GREEN IV. PENTICTON 10.7 CM FLUX OBSERVED 21 JUN 070 PREDICTED 22 JUN-24 JUN 070/070/070 90 DAY MEAN 21 JUN 069 V. GEOMAGNETIC A INDICES OBSERVED AFR/AP 20 JUN 008/006 ESTIMATED AFR/AP 21 JUN 005/005 PREDICTED AFR/AP 22 JUN-24 JUN 005/005-005/005-005/005 VI. GEOMAGNETIC ACTIVITY PROBABILITIES 22 JUN-24 JUN A. MIDDLE LATITUDES ACTIVE 05/05/05 MINOR STORM 01/01/01 MAJOR-SEVERE STORM 01/01/01 B. HIGH LATITUDES ACTIVE 10/10/10 MINOR STORM 05/05/05 MAJOR-SEVERE STORM 01/01/01