:Product: 19980207SGAS.txt :Issued: 1998 Feb 07 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 038 ISSUED AT 0245Z ON 07 FEB 1998 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 06 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 ALL LATITUDES. D. STRATWARM: STRATWARM ALERT/FRIDAY/STRATWARM EXISTS. A VERY INTENSE WARMING CONTINUES FROM THE BLACK SEA TO NORTHEAST EUROPE, OVER WHOLE SIBERIA AND THE ADJACENT ARTIC. TEMPERATURE GRADIENT REVERSED BETWEEN 60 N AND THE POLE AT 10 HPA AND ABOVE. E. DAILY INDICES: 10 CM 084 SSN 041 AFR/AP 001/003 X-RAY BACKGROUND A3.6 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 3.7E+05 GT 10 MEV 1.7E+04 P/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 4.90E+06 E/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) 3 HOUR K-INDICES: BOULDER 1 1 0 0 1 1 0 0 PLANETARY 1 1 0 0 1 2 1 0 F. COMMENTS: NONE