:Product: 19981212SGAS.txt :Issued: 1998 Dec 12 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 346 ISSUED AT 0245Z ON 12 DEC 1998 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 11 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 HAS BEEN UNSETTLED TO ACTIVE AT MIDDLE LATITUDES, AND UNSETTLED TO MINOR STORM AT HIGH LATITUDES FOR THE PAST 24 HOURS. D. STRATWARM: NONE. E. DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES) 10 CM 143 SSN 166 AFR/AP 022/030 X-RAY BACKGROUND B4.9 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 5.5E+05 GT 10 MEV 1.5E+04 P/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 2.20E+06 E/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) 3 HOUR K-INDICES: BOULDER 4 3 4 4 4 4 3 3 PLANETARY 4 4 5 5 4 4 3 3 F. COMMENTS: NONE