:Product: 19991208SGAS.txt :Issued: 1999 Dec 08 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 342 ISSUED AT 0245Z ON 08 DEC 1999 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 07 DEC A. ENERGETIC EVENTS BEGIN MAX END RGN LOC XRAY OP 245MHZ 10CM SWEEP 0938 0938 0939 440 2115 2120 2123 8791 S13E66 M1.0 SN 340 31 2136 2136 2136 250 B. PROTON EVENTS: NONE C. GEOMAGNETIC ACTIVITY SUMMARY: THE GEOMAGNETIC FIELD RANGED FROM QUIET TO ACTIVE. D. STRATWARM: NONE E. DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES) 10 CM 153 SSN 076 AFR/AP 014/014 X-RAY BACKGROUND C1.1 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 5.8E+05 GT 10 MEV 1.2E+04 P/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 3.40E+08 E/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) 3 HOUR K-INDICES: BOULDER 4 3 3 3 2 3 3 2 PLANETARY 3 2 4 3 2 3 3 3 F. COMMENTS: THE GREATER THAN 2 MEV ELECTRON FLUENCE WAS MODERATE.