:Product: 19980820SGAS.txt :Issued: 1998 Aug 20 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 232 ISSUED AT 0245Z ON 20 AUG 1998 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 19 AUG A. ENERGETIC EVENTS BEGIN MAX END RGN LOC XRAY OP 245MHZ 10CM SWEEP 0940 0945 0953 140 1326 1326 1327 130 1222 1242 1251 8307 N35E78 M2.3 SF 97 35 1404 1426 1444 8307 N35E80 M3.0 SF 530 110 II/IV 2135 2145 2150 8307 N32E75 X3.9 1F 18000 1300 II/IV B. PROTON EVENTS: NONE. C. GEOMAGNETIC ACTIVITY SUMMARY: THE GEOMAGNETIC FIELD WAS QUIET WITH ISOLATED UNSETTLED CONDITIONS LATE IN THE PERIOD D. STRATWARM: NONE. E. DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES) 10 CM 135 SSN 132 AFR/AP 006/009 X-RAY BACKGROUND C4.5 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 1.2E+05 GT 10 MEV 2.3E+04 P/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 3.60E+06 E/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) 3 HOUR K-INDICES: BOULDER 2 1 1 1 2 1 2 3 PLANETARY 2 0 1 1 2 2 3 4 F. COMMENTS: NONE.