Viewing archive of Friday, 26 July 2002

Geophysical report

Solar and Geophysical Activity Summary 2002 Jul 26 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 207 Issued at 0245Z on 26 Jul 2002 This report is compiled from data received at SWO on 25 Jul
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0755 0756 0800                       340
0808 0808 0809                       120
0813 0813 0813                       150
2122 2122 2123                       110
B. Proton Events
A greater than 10 MeV proton event began at 22/0655 UTC and remains in progress. Maximum flux observed thus far was 28 pfu at 23/1025 UTC.
C. Geomagnetic Activity Summary
The geomagnetic field has been quiet to active.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 218  SSN 299  Afr/Ap 012/013   X-ray Background C1.3
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 1.4e+07   GT 10 MeV 1.2e+06 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 7.20e+07 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 3 3 2 2 2 2 3 3 Planetary 3 3 2 3 3 3 4 3
F. Comments
  None

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