:Product: 19970610RSGA.txt :Issued: 1997 Jun 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 161 ISSUED AT 2200Z ON 10 JUN 1997 IA. ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM 09/2100Z TO 10/2100Z: SOLAR ACTIVITY REMAINED VERY LOW. ONLY ONE SMALL REGION WITH A SINGLE SPOT WAS OBSERVED. A LATE REPORT WAS RECEIVED FROM THE MAUNA LOA CORONAGRAPH REGARDING AN ERUPTIVE PROMINENCE AT NW30-45 FROM 09/2000-2030Z. THIS EVENT WAS ACCOMPANIED BY A MODERATE DURATION B2 X-RAY ENHANCEMENT. A CORONAL MASS EJECTION WAS PROBABLE WITH THIS EVENT. IB. SOLAR ACTIVITY FORECAST: SOLAR ACTIVITY SHOULD REMAIN AT A VERY LOW LEVEL FOR THE NEXT THREE DAYS. IIA. GEOPHYSICAL ACTIVITY SUMMARY FROM 09/2100Z TO 10/2100Z: THE GEOMAGNETIC FIELD WAS QUIET TO SLIGHTLY UNSETTLED. ENERGETIC ELECTRON FLUXES AT GEOSYNCHRONOUS ORBIT WERE BELOW EVENT THRESHOLD. IIB. GEOPHYSICAL ACTIVITY FORECAST: THE GEOMAGNETIC FIELD IS EXPECTED TO BE QUIET TO SLIGHTLY UNSETTLED FOR THE NEXT THREE DAYS. THE EPL/CME MENTIONED ABOVE IS NOT EXPECTED TO IMPACT THE EARTH. III. EVENT PROBABILITIES 11 JUN-13 JUN CLASS M 01/01/01 CLASS X 01/01/01 PROTON 01/01/01 PCAF GREEN IV. PENTICTON 10.7 CM FLUX OBSERVED 10 JUN 072 PREDICTED 11 JUN-13 JUN 073/074/074 90 DAY MEAN 10 JUN 074 V. GEOMAGNETIC A INDICES OBSERVED AFR/AP 09 JUN 025/033 ESTIMATED AFR/AP 10 JUN 007/007 PREDICTED AFR/AP 11 JUN-13 JUN 005/008-005/008-005/005 VI. GEOMAGNETIC ACTIVITY PROBABILITIES 11 JUN-13 JUN 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