:Product: 20000719SGAS.txt :Issued: 2000 Jul 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 201 ISSUED AT 0245Z ON 19 JUL 2000 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 18 JUL A. ENERGETIC EVENTS BEGIN MAX END RGN LOC XRAY OP 245MHZ 10CM SWEEP 0212 0213 0213 260 0412 0413 0418 9087 S13E29 SF 7500 79 0459 0515 0538 9077 N17W58 M1.9 2B 73 57 II/IV 0713 0723 0732 9087 S13E16 C9.3 1F 4400 54 0735 0740 0743 150 0920 0920 0925 110 1400 1419 1431 9087 S14E15 M3.0 2N 48 IV 1634 1634 1635 9097 160 1934 1945 2014 9077 M3.3 B. PROTON EVENTS: HE GREATER THAN 10 MEV FLUX BEGAN THE PERIOD AT APPROXIMATELY 50 PFU AND DECLINED SLOWLY TO NEAR 20 PFU AT THE END OF THE PERIOD. AN INTERMITTENT FORBUSH DECREASE WAS IN PROGRESS DURING THE DAY. C. GEOMAGNETIC ACTIVITY SUMMARY: THE GEOMAGNETIC FIELD WAS QUIET TO SLIGHTLY UNSETTLED. SOLAR WIND VELOCITY REMAINED ELEVATED, AT TIMES EXCEEDING 600 KM/S. T D. STRATWARM: NONE E. DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES) 10 CM 249 SSN 343 AFR/AP 008/013 X-RAY BACKGROUND C1.5 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 1.7E+07 GT 10 MEV 2.5E+06 P/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 2.10E+06 E/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) 3 HOUR K-INDICES: BOULDER 2 2 2 1 2 2 1 4 PLANETARY 3 2 2 2 3 3 4 4 F. COMMENTS: NONE