:Product: 19981211SGAS.txt :Issued: 1998 Dec 11 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 345 ISSUED AT 0245Z ON 11 DEC 1998 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 10 DEC 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 QUIET TO UNSETTLED. D. STRATWARM: STRATWARM ALERT/THURSDAY/STRATWARM EXISTS. AN INTENSE WARMING CONTINUES OVER EAST SIBERIA AND MONGOLIA. E. DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES) 10 CM 134 SSN 145 AFR/AP 004/006 X-RAY BACKGROUND B6.8 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 1.3E+05 GT 10 MEV 1.5E+04 P/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 4.30E+07 E/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) 3 HOUR K-INDICES: BOULDER 0 1 1 3 1 2 1 2 PLANETARY 1 0 1 2 1 2 2 3 F. COMMENTS: NONE.