Viewing archive of Saturday, 26 April 2003

Geophysical report

Solar and Geophysical Activity Summary 2003 Apr 26 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 116 Issued at 0245Z on 26 Apr 2003 This report is compiled from data received at SWO on 25 Apr
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0523 0540 0558  0346 N14E79 M1.2  Sf 100    82     II
0723 0723 0723                       110
0927 0927 0927                       290
1945 1954 1959  0338 N19W58 C7.5  Sf 330
2013 2013 2013                       100
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was at predominantly active to minor storm levels. High speed solar wind speeds along with embedded transient activity are believed to be responsible for the elevated conditions. The greater than 2 MeV electron fluxes at geosynchronous orbit reached high levels again today.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 144  SSN 173  Afr/Ap 026/032   X-ray Background B6.4
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 3.0e+06   GT 10 MeV 1.3e+04 p/(cm2-ster-day)
(GOES-10 satellite synchronous orbit W135 degrees)
Daily Electron Fluence
GT 2 MeV 2.20e+08 e/(cm2-ster-day)
(GOES-10 satellite synchronous orbit W135 degrees)
3 Hour K-indices
Boulder 5 4 4 4 4 4 3 3 Planetary 4 5 5 5 3 4 3 5
F. Comments
  None

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