:Product: 19980208SGAS.txt :Issued: 1998 Feb 08 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 039 ISSUED AT 0245Z ON 08 FEB 1998 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 07 FEB 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 QUIET AT LATITUDES. D. STRATWARM: STRATWARM ALERT/SATURDAY/STRATWARM EXISTS. THE INTENSE WARMING OVER SIBERIA AND THE ADJACENT ARCTIC SLIGHTLY WEAKENING. TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE AT 10 HPA AND ABOVE. E. DAILY INDICES: 10 CM 083 SSN 027 AFR/AP 001/003 X-RAY BACKGROUND A3.5 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 5.1E+05 GT 10 MEV 1.7E+04 P/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 3.90E+06 E/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) 3 HOUR K-INDICES: BOULDER 0 0 0 0 0 1 0 0 PLANETARY 0 1 1 0 1 1 1 1 F. COMMENTS: NONE