:Product: 19990723SGAS.txt :Issued: 1999 Jul 23 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 204 ISSUED AT 0245Z ON 23 JUL 1999 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 22 JUL A. ENERGETIC EVENTS BEGIN MAX END RGN LOC XRAY OP 245MHZ 10CM SWEEP NONE B. PROTON EVENTS: NONE C. GEOMAGNETIC ACTIVITY SUMMARY: THE GEOMAGNETIC FIELD RANGED FROM QUIET TO MINOR STORM CONDITIONS. MINOR STORM CONDITIONS WERE OBSERVED DURING THE 22/0300-0600Z PERIOD. THE INCREASED GEOMAGNETIC ACTIVITY MAY BE RELATED TO THE HALO OBSERVED WITH THE CME EARLY ON 19 JULY. D. STRATWARM: NONE E. DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES) 10 CM 153 SSN 127 AFR/AP 023/024 X-RAY BACKGROUND C1.1 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 6.6E+04 GT 10 MEV 1.4E+04 P/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 1.10E+05 E/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) 3 HOUR K-INDICES: BOULDER 3 5 4 4 3 4 3 3 PLANETARY 3 4 5 4 4 4 4 3 F. COMMENTS: NONE