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20020520SGAS.txt
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:Product: 20020520SGAS.txt
:Issued: 2002 May 20 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 140 Issued at 0245Z on 20 May 2002
This report is compiled from data received at SWO on 19 May
A. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep
0007 0007 0008 100
B. Proton Events: None
C. Geomagnetic Activity Summary: The geomagnetic field ranged from
quiet to minor storm conditions. Minor storming subsided after
19/0900 UTC to quiet to unsettled conditions. This activity
correlates well with the full halo CME observed on 16 May.
D. Stratwarm: None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 171 SSN 155 Afr/Ap 018/018 X-ray Background B7.6
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 1.1e+06 GT 10 MeV 1.0e+04 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 2.20e+06 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices:
Boulder 4 4 5 2 2 1 1 2 Planetary 3 4 5 2 3 3 2 2
F. Comments: None