:Product: 20000421SGAS.txt :Issued: 2000 Apr 21 0245 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Environment Center and the U.S. Air Force. # JOINT USAF/NOAA SOLAR AND GEOPHYSICAL ACTIVITY SUMMARY SGAS NUMBER 112 ISSUED AT 0245Z ON 21 APR 2000 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 20 APR A. ENERGETIC EVENTS BEGIN MAX END RGN LOC XRAY OP 245MHZ 10CM SWEEP 0211 0211 0213 790 28 1024 1033 1043 8969 N11E61 C8.6 SF 120 1045 1045 1047 100 1058 1103 1105 180 2113 0000 2120 II B. PROTON EVENTS: NONE C. GEOMAGNETIC ACTIVITY SUMMARY: FIELD ACTIVITY RANGED FROM QUIET TO ACTIVE LEVELS. D. STRATWARM: NONE E. DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES) 10 CM 181 SSN 179 AFR/AP 015/014 X-RAY BACKGROUND C1.0 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 6.3E+04 GT 10 MEV 1.1E+04 P/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 1.20E+06 E/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) 3 HOUR K-INDICES: BOULDER 3 4 3 3 4 3 3 2 PLANETARY 3 3 4 2 3 3 3 2 F. COMMENTS: NONE