:Product: 20000327SGAS.txt :Issued: 2000 Mar 27 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 087 ISSUED AT 0245Z ON 27 MAR 2000 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 26 MAR A. ENERGETIC EVENTS BEGIN MAX END RGN LOC XRAY OP 245MHZ 10CM SWEEP 0259 0300 0300 500 0313 0313 0313 130 0647 0648 0648 180 1727 1734 1739 8926 S12W55 M2.3 SF B. PROTON EVENTS: NONE C. GEOMAGNETIC ACTIVITY SUMMARY: QUIET TO ACTIVE. D. STRATWARM: STRATWARM ALERT EXISTS STRATWARM SUNDAY MINOR WARMING OVER EUROPE/SIBERIA AND THE WHOLE ARCTIC AT 10 HPA CONTINUES, WEAKENING. TEMPERATURE GRADIENT REVERSED BETWEEN THE POLE AND 60N AT 10 HPA AND ABOVE. MEAN ZONAL WIND AT 60N IN THE WHOLE STRATOSPHERE WEAK WESTERLY, INCREASING. E. DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES) 10 CM 211 SSN 255 AFR/AP 003/005 X-RAY BACKGROUND C1.4 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 3.6E+05 GT 10 MEV 1.2E+04 P/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 7.00E+06 E/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) 3 HOUR K-INDICES: BOULDER 1 1 1 1 1 4 2 2 PLANETARY 1 0 2 2 2 3 2 1 F. COMMENTS: NONE