:Product: 19991225SGAS.txt :Issued: 1999 Dec 25 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 359 ISSUED AT 0245Z ON 25 DEC 1999 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 24 DEC A. ENERGETIC EVENTS BEGIN MAX END RGN LOC XRAY OP 245MHZ 10CM SWEEP 0138 0138 0139 290 0456 0501 0508 8807 N11W02 SF 1400 0928 0934 0943 C8.4 500 1158 1158 1158 1400 B. PROTON EVENTS: NONE C. GEOMAGNETIC ACTIVITY SUMMARY: THE GEOMAGNETIC FIELD WAS QUIET TO ACTIVE. D. STRATWARM: NONE E. DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES) 10 CM 182 SSN 149 AFR/AP 009/010 X-RAY BACKGROUND B8.9 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 2.7E+05 GT 10 MEV 1.4E+04 P/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 9.70E+04 E/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) 3 HOUR K-INDICES: BOULDER 2 2 3 4 2 2 2 2 PLANETARY 2 3 3 4 2 2 1 2 F. COMMENTS: A 245 MHZ NOISE STORM WAS IN PROGRESS FOR PART OF THE PERIOD.