Viewing archive of Wednesday, 31 July 2002

Geophysical report

Solar and Geophysical Activity Summary 2002 Jul 31 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 212 Issued at 0245Z on 31 Jul 2002 This report is compiled from data received at SWO on 30 Jul
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
1721 1721 1721                       570
1737 1737 1737                       460    67
B. Proton Events
None
C. Geomagnetic Activity Summary
Quiet to unsettled.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 227  SSN 297  Afr/Ap 009/008   X-ray Background C1.4
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 3.0e+06   GT 10 MeV 6.8e+04 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 8.70e+06 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 2 3 2 1 2 3 2 3 Planetary 2 2 1 2 2 3 3 3
F. Comments
  Afr estimated based on Boulder USGS magnetometer data.

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