:Product: 19980110SGAS.txt :Issued: 1998 Jan 10 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 010 ISSUED AT 0245Z ON 10 JAN 1998 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 09 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 HAS BEEN QUIET AT ALL LATITUDES FOR THE PAST 24 HOURS. D. STRATWARM: STRATWARM ALERT/FRIDAY/STRATWARM EXISTS. INTENSE WARMING OVER EASTERN EUROPE, SIBERIA, ALASKA, AND THE ADJACENT ARCTIC CONTINUES. WARM AIR OVER NORTHWEST SIBERIA SPREADING NORTHWESTWARDS. TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND HE POLE FROM 30 TO 10 HPA. E. DAILY INDICES: 10 CM 082 SSN 000 AFR/AP 008/009 X-RAY BACKGROUND A2.9 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 2.6E+06 GT 10 MEV 1.8E+04 P/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 1.70E+07 E/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) 3 HOUR K-INDICES: BOULDER 2 1 2 2 2 2 0 1 PLANETARY 2 1 3 3 3 3 1 1 F. COMMENTS: NONE