:Product: 19960405SGAS.txt :Issued: 1996 Apr 05 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 096 ISSUED AT 0245Z ON 05 APR 1996 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SESC ON 04 APR 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 ACTIVE. D. STRATWARM: STRATWARM ALERT/THU/STRATWARM EXISTS. INTENSE WARMING OVER EUROPE CONTINUES.FINAL WARMING IN PROGRESS. WARM AIR WILL SPREAD NORTH AND NORTHEASTWARDS,COVERING THE EAST- ERN HEMISPHERE WITHIN THE NEXT WEEK. THE VORTEX, CENTRED SOUTH OF SPITSBERGEN FURTHER WEAKENS, WHILE A LARGE ANTICYCLONE WILL COVER SOUTHEAST EUROPE, ASIA AND CANADA, INCLUDING THE ADJACENT ARCTIC. THE FINAL TRANSITION TO SUMMER IS EXPECTED DURING APRIL. E. DAILY INDICES: 10 CM 070 SSN 011 AFR/AP 010/ 011 X-RAY BACKGROUND A1.0 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 1.3E+06 GT 10 MEV 1.9E+04 P/(CM2-STER-DAY) (GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 1.9E+06 E/(CM2-STER-DAY) (GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) 3 HOUR K-INDICES: BOULDER 2 2 3 1 3 3 2 2 PLANETARY 3 2 3 1 4 3 1 2 F. COMMENTS: EFFECTIVE AT 2030Z ON 03 APRIL 1996, GOES-9 HAS BECOME THE PRIMARY SATELLITE FOR X-RAY FLUX, PARTICLE FLUX, AND SATELLITE MAGNETOMETER DATA AT SEC. GOES-8 HAS BECOME THE SECONDARY SATELLITE AND GOES-7 DATA SETS WILL NO LONGER BE USED IN DAILY PRODUCTS.