:Product: 19970420SGAS.txt :Issued: 1997 Apr 20 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 110 ISSUED AT 0245Z ON 20 APR 1997 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 19 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 HAS BEEN MOSTLY QUIET TO UNSETTLED FOR THE PAST 24 HOURS, WITH A SINGLE PERIOD OF ACTIVE CONDITIONS RECORDED AT HIGH LATITUDES DURING THE INTERVAL 19/0600-0900Z. D. STRATWARM: NONE. E. DAILY INDICES: 10 CM 070 SSN 012 AFR/AP 012/013 X-RAY BACKGROUND LT A1.0 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 1.6E+06 GT 10 MEV 1.6E+04 P/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 1.90E+08 E/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) 3 HOUR K-INDICES: BOULDER 3 3 3 3 2 1 1 2 PLANETARY 3 3 4 3 3 2 2 2 F. COMMENTS: NONE.