:Product: 19990527SGAS.txt :Issued: 1999 May 27 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 147 ISSUED AT 0245Z ON 27 MAY 1999 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 26 MAY A. ENERGETIC EVENTS BEGIN MAX END RGN LOC XRAY OP 245MHZ 10CM SWEEP 0225 0230 0235 8554 N22E41 C2.3 SF II 1915 1932 1945 8552 N17E46 M1.2 2N B. PROTON EVENTS: NONE C. GEOMAGNETIC ACTIVITY SUMMARY: THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED. D. STRATWARM: NONE E. DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES) 10 CM 153 SSN 152 AFR/AP 007/008 X-RAY BACKGROUND B7.5 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 8.4E+04 GT 10 MEV 1.3E+04 P/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 2.10E+06 E/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) 3 HOUR K-INDICES: BOULDER 3 3 2 0 2 2 1 2 PLANETARY 2 2 2 1 2 3 3 2 F. COMMENTS: ENERGETIC ELECTRON FLUXES AT GEOSYNCHRONOUS ORBIT WERE LOW TO MODERATE.