:Product: 19980925SGAS.txt :Issued: 1998 Sep 25 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 268 ISSUED AT 0245Z ON 25 SEP 1998 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 24 SEP A. ENERGETIC EVENTS BEGIN MAX END RGN LOC XRAY OP 245MHZ 10CM SWEEP 0422 0422 0422 110 0431 0436 0441 B6.9 840 0809 0814 0819 8344 S20E05 C6.0 1N 230 1214 1214 1215 250 1335 1356 1400 360 1355 1356 1357 380 1411 1412 1415 8340 N18W08 SF 340 1615 1615 1615 300 1620 1620 1620 140 B. PROTON EVENTS: NONE C. GEOMAGNETIC ACTIVITY SUMMARY: QUIET TO MINOR STORM. A SHOCK WAS DETECTED AT GEOSYNCHRONOUS ORBIT AT APPROX. 2350Z. D. STRATWARM: NONE E. DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES) 10 CM 135 SSN 156 AFR/AP 020/028 X-RAY BACKGROUND B4.1 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 1.3E+07 GT 10 MEV 1.2E+05 P/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 8.70E+06 E/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) 3 HOUR K-INDICES: BOULDER 3 4 4 4 2 2 2 4 PLANETARY 3 5 5 5 3 3 3 5 F. COMMENTS: NONE