:Product: 19971221SGAS.txt :Issued: 1997 Dec 21 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 355 ISSUED AT 0245Z ON 21 DEC 1997 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 20 DEC 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 HAS BEEN QUIET AT ALL LATITUDES FOR THE PAST 24 HOURS. D. STRATWARM: NONE. E. DAILY INDICES: 10 CM 090 SSN 027 AFR/AP 004/002 X-RAY BACKGROUND B2.4 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 2.3E+05 GT 10 MEV 1.7E+04 P/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 1.30E+06 E/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) 3 HOUR K-INDICES: BOULDER 0 0 1 1 1 0 1 1 PLANETARY 0 0 0 0 1 1 1 1 F. COMMENTS: NONE