:Product: 19980113SGAS.txt :Issued: 1998 Jan 13 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 013 ISSUED AT 0245Z ON 13 JAN 1998 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 12 JAN 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 MOSTLY QUIET. D. STRATWARM: STRATWARM ALERT/MONDAY/STRATWARM EXISTS. THE WARMING OVER SIBERIA,ALASKA AND THE ADJACENT ARCTIC WEAKENING,BUT TEMPERATURE GRADIENT STILL REVERSED BETWEEN 60N AND THE POLE IN THE LOWER AND MIDDLE STRATOSPHERE UNTIL 10HPA. E. DAILY INDICES: 10 CM 096 SSN 060 AFR/AP 005/004 X-RAY BACKGROUND B1.1 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 4.6E+05 GT 10 MEV 1.8E+04 P/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 2.00E+07 E/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) 3 HOUR K-INDICES: BOULDER 1 2 1 2 1 1 1 1 PLANETARY 1 1 2 2 1 1 2 0 F. COMMENTS: NONE