:Product: 20000210SGAS.txt :Issued: 2000 Feb 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 041 ISSUED AT 0245Z ON 10 FEB 2000 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 09 FEB A. ENERGETIC EVENTS BEGIN MAX END RGN LOC XRAY OP 245MHZ 10CM SWEEP 1657 1703 1708 C2.3 120 B. PROTON EVENTS: NONE C. GEOMAGNETIC ACTIVITY SUMMARY: QUIET TO UNSETTLED LEVELS OCCURRED DURING MOST OF THE PERIOD. HOWEVER, THERE WERE BRIEF, LOCALIZED ACTIVE TO MINOR STORM PERIODS DETECTED AT HIGH LATITUDES. D. STRATWARM: STRATWARM ALERT/WEDNESDAY/STRATWARM EXISTS. MINOR WARMING OVER THE POLAR/SIBERIAN AND EURO- PEAN ARCTIC CONTINUES. TEMPERATURE GRADIENT RE- VERSED BETWEEN 60N AND THE POLE AT 10HPA AND ABOVE. E. DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES) 10 CM 199 SSN 189 AFR/AP 011/011 X-RAY BACKGROUND B7.1 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 2.9E+05 GT 10 MEV 1.2E+04 P/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 1.60E+08 E/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) 3 HOUR K-INDICES: BOULDER 1 3 3 1 3 4 1 2 PLANETARY 1 3 2 1 4 4 3 2 F. COMMENTS: NONE