:Product: 19980121SGAS.txt :Issued: 1998 Jan 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 021 ISSUED AT 0245Z ON 21 JAN 1998 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 20 JAN 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 FOR HALF OF THE PERIOD. UNSETTLED TO ACTIVE CONDITIONS WERE OBSERVED DURING THE 20/0300-0600Z AND 20/1500-2400Z INTERVALS. D. STRATWARM: NONE. E. DAILY INDICES: 10 CM 091 SSN 050 AFR/AP 012/011 X-RAY BACKGROUND B1.0 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 1.1E+06 GT 10 MEV 1.7E+04 P/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 1.80E+05 E/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) 3 HOUR K-INDICES: BOULDER 1 4 1 2 2 4 3 3 PLANETARY 1 3 1 1 2 4 3 3 F. COMMENTS: NONE.