:Product: 19980331SGAS.txt :Issued: 1998 Mar 31 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 090 ISSUED AT 0245Z ON 31 MAR 1998 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 30 MAR 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 WAS PREDOMINANTLY QUIET TO ACTIVE. BRIEF ACTIVE CONDITIONS WERE OBSERVED AT HIGH LATITUDES FROM 30/0600-0900Z. D. STRATWARM: NONE. E. DAILY INDICES: 10 CM 108 SSN 066 AFR/AP 010/010 X-RAY BACKGROUND B1.8 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 4.2E+05 GT 10 MEV 1.8E+04 P/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 8.30E+07 E/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) 3 HOUR K-INDICES: BOULDER 1 2 3 2 3 3 1 2 PLANETARY 1 1 4 3 3 3 2 2 F. COMMENTS: ENERGETIC ELECTRON FLUXES AT GEOSYNCHRONOUS REACHED HIGH LEVELS DURING THE PERIOD.