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20020921SGAS.txt
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:Product: 20020921SGAS.txt
:Issued: 2002 Sep 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 264 Issued at 0245Z on 21 Sep 2002
This report is compiled from data received at SWO on 20 Sep
A. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep
0233 0234 0234 130
0508 0512 0517 0126 S24E75 M1.5 Sf
0656 0656 0656 330
0756 0758 0759 800
0808 0811 0812 720
0816 0816 0817 310
0921 0928 0933 0126 S24E73 M1.8 Sf 53 IV
1057 1058 1058 170
1204 1204 1204 990
1237 1239 1240 340
B. Proton Events: None
C. Geomagnetic Activity Summary: The geomagnetic field was quiet to
unsettled. Solar wind speed began the period near 700 km/s following
the arrival of a CME earlier yesterday. However, a weak IMF with
sustained northward Bz offset any significant impact on the
geomagnetic field.
D. Stratwarm: None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 164 SSN 237 Afr/Ap 005/006 X-ray Background B8.2
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 6.2e+05 GT 10 MeV 1.1e+04 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 2.60e+07 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices:
Boulder 2 2 1 1 1 1 1 2 Planetary 3 2 1 1 2 2 3 2
F. Comments: None