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:Product: 20020324SGAS.txt
:Issued: 2002 Mar 24 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 083 Issued at 0245Z on 24 Mar 2002
This report is compiled from data received at SWO on 23 Mar
A. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep
1202 1202 1202 100
B. Proton Events: The greater than 10 MeV proton event that began
at 22/2020 UTC reached a maximum of 16 pfu at 23/1320 UTC, then
ended at 23/2030 UTC.
C. Geomagnetic Activity Summary: Activity increased to unsettled to
active levels following a sudden impulse at 23/1137 UTC (16 nT, as
measured by the Boulder USGS magnetometer).
D. Stratwarm: None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 170 SSN 176 Afr/Ap 010/009 X-ray Background B8.6
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 4.1e+07 GT 10 MeV 6.8e+05 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 1.90e+06 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices:
Boulder 1 0 0 2 4 3 3 3 Planetary 1 0 0 2 3 3 3 3
F. Comments: Afr value estimated based upon Boulder magnetometer
data.