:Product: 19980821SGAS.txt :Issued: 1998 Aug 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 233 ISSUED AT 0245Z ON 21 AUG 1998 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 20 AUG A. ENERGETIC EVENTS BEGIN MAX END RGN LOC XRAY OP 245MHZ 10CM SWEEP 0000 0000 0000 1224 1232 1249 S34E36 C1.8 1N II 1401 1404 1406 C1.0 720 1529 1532 1535 C1.7 240 1537 1539 1539 410 1654 1655 1656 160 1903 1903 1903 110 2323 2323 2323 130 B. PROTON EVENTS: NONE. C. GEOMAGNETIC ACTIVITY SUMMARY: THE GEOMAGNETIC FIELD WAS UNSETTLED TO ACTIVE. D. STRATWARM: NONE. E. DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES) 10 CM 139 SSN 120 AFR/AP 014/018 X-RAY BACKGROUND C1.6 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 2.3E+05 GT 10 MEV 4.0E+04 P/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 2.20E+05 E/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) 3 HOUR K-INDICES: BOULDER 3 1 2 4 3 3 2 2 PLANETARY 4 3 3 4 3 4 3 3 F. COMMENTS: NONE.