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20041026SGAS.txt
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:Product: 20041026SGAS.txt
:Issued: 2004 Oct 26 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 300 Issued at 0245Z on 26 Oct 2004
This report is compiled from data received at SWO on 25 Oct
A. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep
1227 1227 1227 1200 42
B. Proton Events: None.
C. Geomagnetic Activity Summary: The geomagnetic field was quiet to
unsettled with an active period on 25 October between 0900 and 1200
UTC. The active period was most likely due to a geoeffective
coronal hole. ACE data show solar wind speed has remained around
500 km/s, however the total interplanetary magnetic field strength
has decreased from approximately 10 nT to 4 nT.
D. Stratwarm: None.
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 140 SSN 146 Afr/Ap 010/013 X-ray Background B3.9
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 1.6e+05 GT 10 MeV 1.5e+04 p/(cm2-ster-day)
(GOES-11 satellite synchronous orbit W102 degrees)
Daily Electron Fluence
GT 2 MeV 1.10e+06 e/(cm2-ster-day)
(GOES-12 satellite synchronous orbit W75 degrees)
3 Hour K-indices:
Boulder 2 3 3 4 3 3 2 1 Planetary 2 3 3 4 3 2 2 1
F. Comments: None.