:Product: 19980425SGAS.txt :Issued: 1998 Apr 25 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 115 ISSUED AT 0245Z ON 25 APR 1998 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 24 APR A. ENERGETIC EVENTS BEGIN MAX END RGN LOC XRAY OP 245MHZ 10CM SWEEP NONE B. PROTON EVENTS: START MAX END PEAK FLUX GRTR THAN 10 MEV 20/1400Z 21/1205 24/1550 1700 PFU C. GEOMAGNETIC ACTIVITY SUMMARY: QUIET TO MAJOR STORM. D. STRATWARM: NONE E. DAILY INDICES: 10 CM 091 SSN 022 AFR/AP 027/035 X-RAY BACKGROUND B2.8 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 7.6E+06 GT 10 MEV 1.1E+06 P/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 2.30E+06 E/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) 3 HOUR K-INDICES: BOULDER 5 5 4 4 4 2 2 3 PLANETARY 5 5 6 5 4 3 2 3 F. COMMENTS: NONE