:Product: 19971211SGAS.txt :Issued: 1997 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 1997 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 0947 0947 0947 130 B. PROTON EVENTS: NONE C. GEOMAGNETIC ACTIVITY SUMMARY: THE GEOMAGNETIC FIELD BEGAN THE PERIOD AS QUIET. UNSETTLED TO ACTIVE CONDITIONS STARTED AT 10/0600UT AND PERSISTED FOR THE REMAINDER OF THE DAY. D. STRATWARM: STRATWARM ALERT/EXISTS/WEDNESDAY INTENSE WARMING OVER SIBERIA (EAST OF 90E) AND THE ADJACENT ARCTIC, EXPANDING OVER ALASKA AND WEST CANADA. E. DAILY INDICES: 10 CM 095 SSN 072 AFR/AP 020/015 X-RAY BACKGROUND B1.8 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 4.1E+05 GT 10 MEV 1.7E+04 P/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 4.50E+06 E/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) 3 HOUR K-INDICES: BOULDER 0 3 3 4 4 4 3 2 PLANETARY 0 3 3 4 4 4 2 3 F. COMMENTS: NONE