:Product: 19980819SGAS.txt :Issued: 1998 Aug 19 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 231 ISSUED AT 0245Z ON 19 AUG 1998 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 18 AUG A. ENERGETIC EVENTS BEGIN MAX END RGN LOC XRAY OP 245MHZ 10CM SWEEP 0321 0321 0322 240 0400 0416 0427 8307 N33E88 M1.5 SF 53 28 0814 0824 0832 8307 N33E87 X2.8 SN 13000 680 IV 2210 2219 2228 8307 N33E85 X4.9 1B 5300 2400 II/IV B. PROTON EVENTS: NONE. C. GEOMAGNETIC ACTIVITY SUMMARY: THE GEOMAGNETIC FIELD WAS QUIET D. STRATWARM: NONE. E. DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES) 10 CM 133 SSN 104 AFR/AP 003/006 X-RAY BACKGROUND B5.1 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 4.7E+04 GT 10 MEV 1.7E+04 P/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 2.90E+06 E/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) 3 HOUR K-INDICES: BOULDER 0 1 2 1 1 1 1 1 PLANETARY 1 2 2 1 2 2 3 2 F. COMMENTS: NONE.