:Product: 20000204SGAS.txt :Issued: 2000 Feb 04 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 035 ISSUED AT 0245Z ON 04 FEB 2000 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 03 FEB A. ENERGETIC EVENTS BEGIN MAX END RGN LOC XRAY OP 245MHZ 10CM SWEEP 0716 0717 0723 8848 S08W17 SF 110 1322 1322 1322 110 B. PROTON EVENTS: NONE C. GEOMAGNETIC ACTIVITY SUMMARY: THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED D. STRATWARM: STRATWARM ALERT/THURSDAY/STRATWARM EXISTS. AN INTENSE WARMING EXISTS OVER SIBERIA AND THE ADJACENT ARCTIC WITH A TEMPERATURE INCREASE OF MORE THAN 35 DGS C DURING THE LAST FIVE DAYS NEAR THE LAPTEV SEA AT 1O HPA. AT THE SAME TIME A STRONG VORTEX CENTRED NEAR SPITSBERGEN. E. DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES) 10 CM 154 SSN 149 AFR/AP 007/008 X-RAY BACKGROUND B6.4 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 5.2E+05 GT 10 MEV 1.3E+04 P/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 2.00E+08 E/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) 3 HOUR K-INDICES: BOULDER 1 1 3 2 2 3 2 2 PLANETARY 1 1 3 2 2 2 3 3 F. COMMENTS: NONE.