:Product: 20000920SGAS.txt :Issued: 2000 Sep 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 264 ISSUED AT 0245Z ON 20 SEP 2000 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 19 SEP A. ENERGETIC EVENTS BEGIN MAX END RGN LOC XRAY OP 245MHZ 10CM SWEEP 0006 0006 0007 2000 0806 0826 0842 9165 N14W46 M5.1 1N 120 360 II 0824 0000 0825 II B. PROTON EVENTS: NONE C. GEOMAGNETIC ACTIVITY SUMMARY: THE GEOMAGNETIC FIELD RANGED FROM QUIET TO MINOR STORM LEVELS. ISOLATED MAJOR STORM LEVELS WERE OBSERVED AT HIGH LATITUDES FOR THE PERIOD OF 19/1800 UTC. D. STRATWARM: NONE E. DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES) 10 CM 207 SSN 140 AFR/AP 017/027 X-RAY BACKGROUND C1.6 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 2.4E+06 GT 10 MEV 2.7E+04 P/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 3.00E+05 E/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) 3 HOUR K-INDICES: BOULDER 3 2 3 5 4 2 2 3 PLANETARY 3 3 3 5 6 4 3 4 F. COMMENTS: EFFECTIVE 2 OCT 2000, SEC WILL ISSUE ITS TEXT PRODUCTS IN MIXED CASE VS. ALL UPPER CASE. THIS CHANGE WILL BE VISIBLE ON ALL SEC PRODUCT DELIVERY SYSTEMS EXCEPT FOR TELETYPE CIRCUITS. ONLY THE CASE OF THE TEXT IN EACH PRODUCT WILL CHANGE, NOT THE FORMAT OR SPACING WITHIN THE PRODUCT. FOR DETAILS SEE OUR WEB SITE AT SEC.NOAA.GOV/MIXEDCASE.HTML