:Product: 19981117SGAS.txt :Issued: 1998 Nov 17 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 321 ISSUED AT 0245Z ON 17 NOV 1998 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 16 NOV A. ENERGETIC EVENTS BEGIN MAX END RGN LOC XRAY OP 245MHZ 10CM SWEEP 0940 0941 0941 110 0958 0959 0959 140 2144 2153 2200 8383 S14W29 C4.9 SF II B. PROTON EVENTS: THE GT 10 MEV PROTON FLUX BEGAN THE PERIOD NEAR 16 PFU AND DECAYED SLOWLY THROUGH THE DAY. FLUXES AT THE END OF THE PERIOD WERE NEAR 3 PFU. C. GEOMAGNETIC ACTIVITY SUMMARY: THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED. D. STRATWARM: NONE. E. DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES) 10 CM 125 SSN 076 AFR/AP 008/007 X-RAY BACKGROUND B4.0 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 4.8E+06 GT 10 MEV 7.4E+05 P/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 2.00E+07 E/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) 3 HOUR K-INDICES: BOULDER 3 3 1 2 2 2 1 3 PLANETARY 2 3 2 2 1 2 1 2 F. COMMENTS: A WEAK 245 MHZ RADIO NOISE STORM OCCURRED DURING THE PERIOD.