:Product: 20000707RSGA.txt :Issued: 2000 Jul 07 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 189 ISSUED AT 2200Z ON 07 JUL 2000 IA. ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM 06/2100Z TO 07/2100Z: SOLAR ACTIVITY WAS MODERATE. REGION 9071 (N23W48), A SEEMINGLY SIMPLE BIPOLE, PRODUCED TWO M-CLASS EVENTS, AN M1/SN WITH TYPE II SWEEP AT 1105Z, AND AN M1/1B AT 1819Z. REGION 9070 (N18E03), A LARGER AND MORE COMPLEX GROUP, HAD FREQUENT MID-SIZED C-CLASS EVENTS. LASCO REPORTED A HALO CME, FIRST SEEN AT 1026Z, POSSIBLY ASSOCIATED WITH A FILAMENT DISAPPEARANCE FROM CENTER DISK. ONE NEW REGION, NUMBERED 9077 (N18E71), CAME INTO VIEW. IB. SOLAR ACTIVITY FORECAST: SOLAR ACTIVITY IS EXPECTED TO BE MODERATE. REGION 9071 SHOULD CONTINUE PRODUCING LOW-LEVEL M-CLASS ACTIVITY. IIA. GEOPHYSICAL ACTIVITY SUMMARY FROM 06/2100Z TO 07/2100Z: THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED. IIB. GEOPHYSICAL ACTIVITY FORECAST: THE GEOMAGNETIC FIELD IS EXPECTED TO PERSIST AT QUIET TO UNSETTLED LEVELS FOR THE NEXT THREE DAYS. EFFECTS OF TODAY'S HALO CME ARE NOT ANTICIPATED UNTIL 11 JULY. III. EVENT PROBABILITIES 08 JUL-10 JUL CLASS M 60/60/60 CLASS X 05/05/05 PROTON 05/05/05 PCAF GREEN IV. PENTICTON 10.7 CM FLUX OBSERVED 07 JUL 187 PREDICTED 08 JUL-10 JUL 195/200/205 90 DAY MEAN 07 JUL 180 V. GEOMAGNETIC A INDICES OBSERVED AFR/AP 06 JUL 006/007 ESTIMATED AFR/AP 07 JUL 006/010 PREDICTED AFR/AP 08 JUL-10 JUL 010/010-010/012-010/015 VI. GEOMAGNETIC ACTIVITY PROBABILITIES 08 JUL-10 JUL A. MIDDLE LATITUDES ACTIVE 20/15/15 MINOR STORM 05/05/05 MAJOR-SEVERE STORM 01/01/01 B. HIGH LATITUDES ACTIVE 30/20/20 MINOR STORM 10/05/05 MAJOR-SEVERE STORM 01/01/01