:Product: 19980215SGAS.txt :Issued: 1998 Feb 15 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 046 ISSUED AT 0245Z ON 15 FEB 1998 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 14 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. D. STRATWARM: STRATWARM ALERT/SATURDAY/STRATWARM ENDS. WARM AIR FURTHER COVERS NORTHEASTERN ASIA, ALASKA, CANADA, AND THE ADJACENT ARCTIC BUT TEMPERATURES SLOWLY DECREASE. LAST GEOALERT OF THIS WARMING PERIOD. E. DAILY INDICES: 10 CM 105 SSN 088 AFR/AP 004/005 X-RAY BACKGROUND B1.4 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 4.2E+05 GT 10 MEV 1.7E+04 P/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 2.70E+08 E/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) 3 HOUR K-INDICES: BOULDER 0 0 2 1 1 1 2 2 PLANETARY 1 0 2 1 1 1 2 3 F. COMMENTS: THE GREATER THAN 2 MEV ELECTRON FLUENCE WAS MODERATE.