:Product: 19980706RSGA.txt :Issued: 1998 Jul 06 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 :::::::::: CORRECTED COPY :::::::::: SDF NUMBER 187 ISSUED AT 2200Z ON 06 JUL 1998 IA. ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM 05/2100Z TO 06/2100Z: SOLAR ACTIVITY WAS LOW. A SINGLE C-CLASS X-RAY EVENT OCCURRED AT 06/1400UT. REGIONS 8256 (S25W74) AND 8264 (N16W01) SHOWED MINOR ACTIVITY AND SOME PLAGE POINT BRIGHTENING BUT CONTINUE TO DECLINE IN INTENSITY. THE REST OF THE REGIONS HAVE BEEN QUIET. IB. SOLAR ACTIVITY FORECAST: SOLAR ACTIVITY IS EXPECTED TO BE LOW. REGIONS 8256 AND 8264 COULD POSSIBLY PRODUCE C-CLASS ACTIVITY. IIA. GEOPHYSICAL ACTIVITY SUMMARY FROM 05/2100Z TO 06/2100Z: THE GEOMAGNETIC FIELD HAS BEEN QUIET TO ACTIVE. IIB. GEOPHYSICAL ACTIVITY FORECAST: THE GEOMAGNETIC FIELD IS EXPECTED TO REMAIN QUIET TO ACTIVE. III. EVENT PROBABILITIES 07 JUL-09 JUL CLASS M 10/05/05 CLASS X 01/01/01 PROTON 01/01/01 PCAF GREEN IV. PENTICTON 10.7 CM FLUX OBSERVED 06 JUL 121 PREDICTED 07 JUL-09 JUL 120/118/116 90 DAY MEAN 06 JUL 108 V. GEOMAGNETIC A INDICES OBSERVED AFR/AP 05 JUL 012/015 ESTIMATED AFR/AP 06 JUL 018/020 PREDICTED AFR/AP 07 JUL-09 JUL 015/015-010/012-010/010 VI. GEOMAGNETIC ACTIVITY PROBABILITIES 07 JUL-09 JUL A. MIDDLE LATITUDES ACTIVE 30/30/30 MINOR STORM 15/15/15 MAJOR-SEVERE STORM 05/05/05 B. HIGH LATITUDES ACTIVE 40/40/30 MINOR STORM 25/20/15 MAJOR-SEVERE STORM 05/05/05