:Product: 19970915SGAS.txt :Issued: 1997 Sep 15 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 258 ISSUED AT 0245Z ON 15 SEP 1997 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 14 SEP A. ENERGETIC EVENTS BEGIN MAX END RGN LOC XRAY OP 245MHZ 10CM SWEEP 1735 1735 1736 230 B. PROTON EVENTS: NONE C. GEOMAGNETIC ACTIVITY SUMMARY: THE GEOMAGNETIC FIELD WAS MOSTLY QUIET TO UNSETTLED WITH A SINGLE PERIOD OF ACTIVE LEVELS AROUND 14/1000Z AT MID AND HIGH LATITUDES. THE GREATER THAN 2 MEV ENERGETIC ELECTRON FLUX REMAINED AT HIGH LEVELS. D. STRATWARM: NONE E. DAILY INDICES: 10 CM 103 SSN 074 AFR/AP 012/012 X-RAY BACKGROUND B2.4 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 8.1E+05 GT 10 MEV 1.7E+04 P/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 1.30E+08 E/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) 3 HOUR K-INDICES: BOULDER 1 2 3 3 2 2 2 1 PLANETARY 3 3 3 4 3 2 2 2 F. COMMENTS: NONE