:Product: 19970527SGAS.txt :Issued: 1997 May 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 147 ISSUED AT 0245Z ON 27 MAY 1997 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 26 MAY 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 UNSETTLED. A SUDDEN IMPULSE OCCURRED AT 26/1000Z AND MEASURED 13 NT IN BOULDER. D. STRATWARM: NONE E. DAILY INDICES: 10 CM 080 SSN 038 AFR/AP 007/008 X-RAY BACKGROUND B1.1 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 4.5E+05 GT 10 MEV 1.7E+04 P/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 3.40E+06 E/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) 3 HOUR K-INDICES: BOULDER 1 1 0 2 2 2 2 3 PLANETARY 0 0 0 2 3 3 2 3 F. COMMENTS: NONE