:Product: 19981230SGAS.txt :Issued: 1998 Dec 30 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 364 ISSUED AT 0245Z ON 30 DEC 1998 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 29 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 RANGED FROM QUIET TO ACTIVE LEVELS. SOME HIGH LATITUDE SITES EXPERIENCED MINOR STORMING DURING THE PERIOD. D. STRATWARM: NONE. E. DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES) 10 CM 183 SSN 136 AFR/AP 011/016 X-RAY BACKGROUND C1.2 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 2.4E+05 GT 10 MEV 1.6E+04 P/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 5.00E+05 E/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) 3 HOUR K-INDICES: BOULDER 1 1 3 3 3 2 3 3 PLANETARY 1 1 3 4 4 3 4 3 F. COMMENTS: NONE.