:Product: 20020422SGAS.txt
:Issued: 2002 Apr 22 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 112 Issued at 0245Z on 22 Apr 2002
This report is compiled from data received at SWO on 21 Apr
A.  Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0043 0151 0238  9906 S14W84 X1.5  1f 760    1900   II/IV
0111 0111 0131                       500
B.  Proton Events:  A greater than 10 MeV proton event began at
21/0225 UTC and continues in progress. The maximum flux so far is
2520 PFU at 21/2320 UTC. A greater than 100 MeV proton event began
at 21/0155 UTC and continues in progress. The maximum flux so far is
23 PFU at 21/1025 UTC.
C.  Geomagnetic Activity Summary:  The geomagnetic field was quiet to
unsettled.
D.  Stratwarm:  None
E.  Daily Indices: (real-time preliminary/estimated values)
10 cm 173  SSN 160  Afr/Ap 007/007   X-ray Background C1.3
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 1.9e+08   GT 10 MeV 1.3e+08 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 1.00e+07 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices:
Boulder 2 2 2 1 2 3 2 3 Planetary 3 2 2 1 2 2 2 3
F.  Comments:  None