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20020411SGAS.txt
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:Product: 20020411SGAS.txt
:Issued: 2002 Apr 11 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 101 Issued at 0245Z on 11 Apr 2002
This report is compiled from data received at SWO on 10 Apr
A. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep
0759 0759 0759 500
1223 1231 1240 9893 N15W14 M8.2 1n 280 510 II
1848 1907 1915 9899 N17E23 M1.6 1n 7700 490 II
1959 1959 2000 420
B. Proton Events: None
C. Geomagnetic Activity Summary: The geomagnetic field was at quiet
levels for most of the day with one period of unsettled conditions
from 15-18Z. The lingering effects of the high speed stream appear
to be ending. Greater than 2 MeV electrons have returned to near
background levels after three days of enhancement.
D. Stratwarm: None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 194 SSN 220 Afr/Ap 006/007 X-ray Background C1.2
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 2.1e+05 GT 10 MeV 1.2e+04 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 3.80e+06 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices:
Boulder 0 1 1 2 2 3 2 2 Planetary 1 0 1 3 3 3 3 2
F. Comments: None