Viewing archive of Sunday, 21 April 2002

Geophysical report

Solar and Geophysical Activity Summary 2002 Apr 21 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 111 Issued at 0245Z on 21 Apr 2002 This report is compiled from data received at SWO on 20 Apr
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
None
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field ranged from quiet to severe storm levels during the past 24 hours.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 177  SSN 185  Afr/Ap 040/062   X-ray Background C1.0
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 1.1e+07   GT 10 MeV 3.5e+04 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 9.90e+06 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 6 6 4 5 4 4 4 3 Planetary 7 7 7 6 4 4 4 2
F. Comments
  None

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