:Product: 19990429SGAS.txt :Issued: 1999 Apr 29 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 119 ISSUED AT 0245Z ON 29 APR 1999 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 28 APR A. ENERGETIC EVENTS BEGIN MAX END RGN LOC XRAY OP 245MHZ 10CM SWEEP NONE B. PROTON EVENTS: NONE C. GEOMAGNETIC ACTIVITY SUMMARY: GEOMAGNETIC FIELD ACTIVITY RANGED FROM QUIET TO ACTIVE LEVELS WITH BRIEF MINOR TO MAJOR STORM PERIODS REPORTED AT SOME HIGH LATITUDE STATIONS. D. STRATWARM: NONE E. DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES) 10 CM 110 SSN 076 AFR/AP 012/019 X-RAY BACKGROUND B3.8 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 3.2E+05 GT 10 MEV 1.8E+04 P/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 1.10E+07 E/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) 3 HOUR K-INDICES: BOULDER 3 3 4 4 2 2 2 4 PLANETARY 3 3 3 4 3 3 3 4 F. COMMENTS: NONE