:Product: 19980824SGAS.txt :Issued: 1998 Aug 24 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 236 ISSUED AT 0245Z ON 24 AUG 1998 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 23 AUG A. ENERGETIC EVENTS BEGIN MAX END RGN LOC XRAY OP 245MHZ 10CM SWEEP 0923 0934 0947 8307 N32E33 M2.2 1N 47 500 1148 1149 1155 8310 200 B. PROTON EVENTS: NONE C. GEOMAGNETIC ACTIVITY SUMMARY: THE GEOMAGNETIC FIELD WAS UNSETTLED AT MIDDLE LATITUDES AND UNSETTLED TO MINOR STORM LEVELS AT HIGH LATITUDES. THE ENERGETIC (GT 10 MEV) PROTON ENHANCEMENT THAT BEGAN ON 20 AUG CONTINUED THROUGH THE PERIOD AT A FLUX OF APPROXIMATELY 2 PFU. D. STRATWARM: NONE E. DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES) 10 CM 126 SSN 121 AFR/AP 014/023 X-RAY BACKGROUND B4.0 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 6.9E+06 GT 10 MEV 1.8E+05 P/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 2.50E+06 E/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) 3 HOUR K-INDICES: BOULDER 3 3 3 3 3 3 2 2 PLANETARY 4 4 5 4 3 3 3 3 F. COMMENTS: NONE