:Product: 19991102RSGA.txt :Issued: 1999 Nov 02 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 306 ISSUED AT 2200Z ON 02 NOV 1999 IA. ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM 01/2100Z TO 02/2100Z: SOLAR ACTIVITY WAS LOW. THERE ARE SEVEN SPOTTED REGIONS ON THE DISK. MINOR GROWTH AND INCREASED MAGNETIC COMPLEXITY WERE REPORTED IN REGIONS 8747 (N12W11) AND 8749 (S18W11). ALL OTHER REGIONS APPEAR STABLE OR DECLINING. IB. SOLAR ACTIVITY FORECAST: SOLAR ACTIVITY IS EXPECTED TO BE LOW TO VERY LOW. LONGITUDES THAT WERE ACTIVE LAST MONTH WILL BE RETURNING TO THE EAST LIMB OVER THE NEXT FEW DAYS AND MAY RESULT IN INCREASED ACTIVITY LATE IN THE PERIOD. IIA. GEOPHYSICAL ACTIVITY SUMMARY FROM 01/2100Z TO 02/2100Z: THE GEOMAGNETIC FIELD HAS BEEN QUIET TO UNSETTLED. IIB. GEOPHYSICAL ACTIVITY FORECAST: THE GEOMAGNETIC FIELD IS EXPECTED TO BE GENERALLY QUIET TO UNSETTLED AT THE START OF THE PERIOD. THE FIELD MAY BECOME MORE ACTIVE LATE IN THE PERIOD AS A RESULT OF A SMALL CORONAL HOLE. III. EVENT PROBABILITIES 03 NOV-05 NOV CLASS M 15/10/05 CLASS X 01/01/01 PROTON 01/01/01 PCAF GREEN IV. PENTICTON 10.7 CM FLUX OBSERVED 02 NOV 143 PREDICTED 03 NOV-05 NOV 140/135/130 90 DAY MEAN 02 NOV 155 V. GEOMAGNETIC A INDICES OBSERVED AFR/AP 01 NOV 009/010 ESTIMATED AFR/AP 02 NOV 007/007 PREDICTED AFR/AP 03 NOV-05 NOV 010/009-008/015-008/007 VI. GEOMAGNETIC ACTIVITY PROBABILITIES 03 NOV-05 NOV A. MIDDLE LATITUDES ACTIVE 20/15/15 MINOR STORM 05/05/05 MAJOR-SEVERE STORM 01/01/01 B. HIGH LATITUDES ACTIVE 35/35/30 MINOR STORM 20/30/20 MAJOR-SEVERE STORM 05/05/05