:Product: 19980209SGAS.txt :Issued: 1998 Feb 09 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 040 ISSUED AT 0245Z ON 09 FEB 1998 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 08 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 TO UNSETTLED WITH ACTIVE CONDITIONS DEVELOPING LATE IN THE PERIOD. D. STRATWARM: STRATWARM ALERT/SUNDAY/STRATWARM EXISTS. THE WARMING OVER SIBERIA AND THE ADJACENT ARCTIC FURTHER WEAKENING.TEMPERATURE GRADIENT REVERSED BETWEEN 60 N. AND THE POLE AT 10 HPA AND ABOVE. E. DAILY INDICES: 10 CM 084 SSN 037 AFR/AP 005/007 X-RAY BACKGROUND A4.5 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 4.9E+05 GT 10 MEV 1.7E+04 P/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 2.60E+06 E/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) 3 HOUR K-INDICES: BOULDER 0 1 0 1 1 1 2 4 PLANETARY 0 0 0 1 2 2 3 3 F. COMMENTS: NONE