:Product: 19990913SGAS.txt
:Issued: 1999 Sep 13 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 256 ISSUED AT 0245Z ON 13 SEP 1999
THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 12 SEP
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
UNSETTLED TO MAJOR STORM LEVELS. A SUDDEN IMPULSE WAS OBSERVED AT
12/0400Z AND MEASURED 21 NT IN BOULDER.
D.  STRATWARM:  NONE
E.  DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES)
10 CM 141  SSN 126  AFR/AP 018/026   X-RAY BACKGROUND B4.3
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 7.3E+05   GT 10 MEV 1.4E+04 P/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 5.60E+05 E/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
3 HOUR K-INDICES:
BOULDER 2 3 2 5 3 4 4 4 PLANETARY 3 3 3 6 3 4 5 4
F.  COMMENTS:  NONE