:Product: 19981118SGAS.txt :Issued: 1998 Nov 18 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 322 ISSUED AT 0245Z ON 18 NOV 1998 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 17 NOV A. ENERGETIC EVENTS BEGIN MAX END RGN LOC XRAY OP 245MHZ 10CM SWEEP 1848 1848 1848 160 B. PROTON EVENTS: THE GT 10 MEV PROTON FLUX REMAINED ENHANCED SLIGHTLY ABOVE BACKGROUND LEVELS. C. GEOMAGNETIC ACTIVITY SUMMARY: THE GEOMAGNETIC FIELD WAS QUIET. D. STRATWARM: NONE E. DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES) 10 CM 121 SSN 092 AFR/AP 005/004 X-RAY BACKGROUND B4.0 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 1.3E+06 GT 10 MEV 1.1E+05 P/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 6.40E+07 E/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) 3 HOUR K-INDICES: BOULDER 2 1 2 1 1 2 1 1 PLANETARY 2 1 1 1 1 1 1 1 F. COMMENTS: ENERGETIC ELECTRON FLUXES AT GEOSYNCHRONOUS ORBIT REACHED HIGH LEVELS DURING THE PERIOD.