:Product: 20020427SGAS.txt
:Issued: 2002 Apr 27 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 117 Issued at 0245Z on 27 Apr 2002
This report is compiled from data received at SWO on 26 Apr
A.  Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
1432 1432 1433                       210
B.  Proton Events:  The greater than 10 MeV proton event that began
on 21/0225Z, and peaked on 21/2320Z at 2520 pfu, ended today at
26/0715Z. The 10 MeV proton flux remains elevated at near 5 pfu, but
continues to slowly decline.
C.  Geomagnetic Activity Summary:  The geomagnetic field was quiet.
D.  Stratwarm:  None
E.  Daily Indices: (real-time preliminary/estimated values)
10 cm 163  SSN 160  Afr/Ap 003/006   X-ray Background B4.9
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 2.1e+06   GT 10 MeV 6.5e+05 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 1.90e+07 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices:
Boulder 1 1 1 1 1 1 1 2 Planetary 2 1 1 2 2 2 2 2
F.  Comments:  None