:Product: 19990321SGAS.txt :Issued: 1999 Mar 21 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 080 ISSUED AT 0245Z ON 21 MAR 1999 THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 20 MAR 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 WAS AT MOSTLY QUIET TO UNSETTLED LEVELS. HOWEVER, ACTIVITY INCREASED SLIGHTLY DURING 20/1600 - 2000Z WITH BRIEF ACTIVE PERIODS DETECTED AT HIGH LATITUDES. D. STRATWARM: NONE E. DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES) 10 CM 133 SSN 119 AFR/AP 006/006 X-RAY BACKGROUND B3.9 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 3.0E+04 GT 10 MEV 1.3E+04 P/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 1.20E+06 E/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) 3 HOUR K-INDICES: BOULDER 1 0 1 2 3 3 2 0 PLANETARY 1 1 1 2 2 2 3 0 F. COMMENTS: NONE