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20020319SGAS.txt
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:Product: 20020319SGAS.txt
:Issued: 2002 Mar 19 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 078 Issued at 0245Z on 19 Mar 2002
This report is compiled from data received at SWO on 18 Mar
A. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep
0045 0045 0045 300
0133 0145 0150 C1.1 240
0143 0144 0145 920
0216 0231 0400 M1.0 46 110 IV
0429 0429 0429 110
0923 0923 0923 150
0933 0933 0933 130
1247 1247 1247 550
1906 1918 1922 9871 S21E02 C8.9 1f 150 69
2147 2152 2155 9871 S19E01 C2.1 Sf 140
B. Proton Events: The greater than 10 MeV proton event that began
at 17/0820 UTC reached maximum of 13 pfu at 17/0850 UTC and ended at
17/1230 utc. A new greater than 10 MeV proton event began at 18/1300
UTC and continues in progress. The peak flux observed so far was 25
pfu at 18/1535 UTC.
C. Geomagnetic Activity Summary: The geomagnetic field ranged from
quiet to active. A sudden impulse of 42 nT was observed in Boulder
at 19/1323 UTC.
D. Stratwarm: None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 178 SSN 136 Afr/Ap 015/012 X-ray Background B6.0
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 2.9e+08 GT 10 MeV 9.6e+05 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 1.50e+06 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices:
Boulder 2 1 0 2 4 3 3 3 Planetary 2 1 0 2 4 3 4 3
F. Comments: None