:Product: 19980818SGAS.txt :Issued: 1998 Aug 18 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 230 ISSUED AT 0245Z ON 18 AUG 1998 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 17 AUG A. ENERGETIC EVENTS BEGIN MAX END RGN LOC XRAY OP 245MHZ 10CM SWEEP 0658 0717 0921 C1.3 10000 270 II 2110 2120 2130 X1.2 9200 290 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 136 SSN 090 AFR/AP 002/005 X-RAY BACKGROUND C1.2 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 4.8E+04 GT 10 MEV 1.6E+04 P/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 3.00E+06 E/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) 3 HOUR K-INDICES: BOULDER 1 1 1 1 0 1 1 1 PLANETARY 1 1 2 1 1 2 2 2 F. COMMENTS: NONE.