:Product: 19990923SGAS.txt
:Issued: 1999 Sep 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 266 ISSUED AT 0245Z ON 23 SEP 1999
THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 22 SEP
A.  ENERGETIC EVENTS
BEGIN  MAX  END  RGN   LOC   XRAY  OP 245MHZ 10CM   SWEEP
1329 1340 1353  8706 N17E39 C5.2  1F 130    23
B.  PROTON EVENTS:  NONE
C.  GEOMAGNETIC ACTIVITY SUMMARY:  THE GEOMAGNETIC FIELD WAS AT QUIET
TO MAJOR STORM LEVELS. A SMALL SUDDEN IMPULSE, MEASURED AT BOULDER
TO BE  8 NANOTESLA, OCCURRED AT 1222Z. SATELLITE DATA FROM ACE
SHOWED THE PASSAGE OF AN INTERPLANETARY SHOCK JUST PRIOR. SOLAR WIND
SPEEDS NEAR 600 KM/S, AND BZ MEASURING NEAR -15 NT ARE NOW
OCCURRING.
D.  STRATWARM:  NONE
E.  DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES)
10 CM 140  SSN 103  AFR/AP 029/037   X-RAY BACKGROUND B4.0
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 1.8E+06   GT 10 MEV 1.3E+04 P/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 6.60E+05 E/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
3 HOUR K-INDICES:
BOULDER 3 2 3 4 4 3 5 6 PLANETARY 3 2 3 3 4 3 5 7
F.  COMMENTS:  NONE