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20040919SGAS.txt
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:Product: 20040919SGAS.txt
:Issued: 2004 Sep 19 0250 UT
# 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 263 Issued at 0245Z on 19 Sep 2004
This report is compiled from data received at SWO on 18 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
quiet to minor storm levels with a period of major storming between
18/0000 - 0300Z. The storm levels were in response to a prolonged
period of southward IMF Bz and solar wind speeds near 500 km/s. The
geomagnetic field was predominantly quiet to end the period as the
solar wind speed declined to 400 km/s and IMF Bz was sustained
north.
D. Stratwarm: None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 103 SSN 050 Afr/Ap 015/016 X-ray Background B1.9
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 1.5e+06 GT 10 MeV 1.7e+04 p/(cm2-ster-day)
(GOES-11 satellite synchronous orbit W99 degrees)
Daily Electron Fluence
GT 2 MeV 9.80e+07 e/(cm2-ster-day)
(GOES-12 satellite synchronous orbit W75 degrees)
3 Hour K-indices:
Boulder 6 5 2 4 3 2 1 2 Planetary 5 5 1 3 3 2 1 2
F. Comments: None