:Product: 19980401SGAS.txt :Issued: 1998 Apr 01 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 091 ISSUED AT 0245Z ON 01 APR 1998 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 31 MAR A. ENERGETIC EVENTS BEGIN MAX END RGN LOC XRAY OP 245MHZ 10CM SWEEP 0233 0302 0329 8190 S23E34 C2.0 SF IV 0532 0558 0631 8190 S21E50 C1.4 SF II 1412 1412 1412 560 B. PROTON EVENTS: NONE. C. GEOMAGNETIC ACTIVITY SUMMARY: THE GEOMAGNETIC FIELD WAS QUIET TO ACTIVE. THE MOST DISTURBED PERIOD WAS FROM 31/0300-0900Z. D. STRATWARM: NONE. E. DAILY INDICES: 10 CM 108 SSN 071 AFR/AP 006/010 X-RAY BACKGROUND B4.6 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 1.6E+06 GT 10 MEV 1.8E+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 2 3 3 1 2 0 0 1 PLANETARY 3 4 4 1 2 2 2 1 F. COMMENTS: THE ENERGETIC ELECTRON FLUENCE AT GEOSYNCHRONOUS ORBIT WAS MODERATE