:Product: 19990407SGAS.txt :Issued: 1999 Apr 07 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 097 ISSUED AT 0245Z ON 07 APR 1999 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 06 APR A. ENERGETIC EVENTS BEGIN MAX END RGN LOC XRAY OP 245MHZ 10CM SWEEP NONE B. PROTON EVENTS: NONE C. GEOMAGNETIC ACTIVITY SUMMARY: THE GEOMAGNETIC FIELD WAS PREDOMINANTLY QUIET WITH THE EXCEPTION OF THE 06/0000-0600Z PERIOD WHEN UNSETTLED TO ACTIVE CONDITIONS OCCURRED. ENERGETIC ELECTRON FLUXES AT GEOSYNCHRONOUS ORBIT WERE HIGH DURING THE PERIOD. D. STRATWARM: NONE E. DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES) 10 CM 137 SSN 119 AFR/AP 008/009 X-RAY BACKGROUND B3.9 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 1.0E+05 GT 10 MEV 1.5E+04 P/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 1.20E+08 E/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) 3 HOUR K-INDICES: BOULDER 4 3 2 1 1 1 1 2 PLANETARY 3 4 2 1 1 2 2 2 F. COMMENTS: NONE