Viewing archive of Thursday, 4 October 2001

Geophysical report

Any mentioned solar flare in this report has a scaling factor applied by the Space Weather Prediction Center (SWPC). Because of the SWPC scaling factor, solar flares are reported as 42% smaller than for the science quality data. The scaling factor has been removed from our archived solar flare data to reflect the true physical units.
Solar and Geophysical Activity Summary 2001 Oct 04 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 277 Issued at 0245Z on 04 Oct 2001 This report is compiled from data received at SWO on 03 Oct
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0639 0643 0646  9636 N19W46 C6.1  Sf 700    17     II
1020 1020 1021                       570
1719 1719 1719                       160
2118 2118 2118                       120    120
B. Proton Events
The greater than 10 MeV proton event that began on 01 October continued. The peak flux for this event was 2360 pfu at 02/1810 UTC. At the close of the period the greater than 10 MeV flux was 30.7 pfu and gradually decreasing.
C. Geomagnetic Activity Summary
Field activity ranged from unsettled to severe storm levels due to a CME passage. The severe storm period occurred during 03/0900-1200 UTC. Major storm conditions occurred during 03/0900 - 1800 UTC.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 192  SSN 196  Afr/Ap 035/053   X-ray Background C2.2
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 6.3e+07   GT 10 MeV 6.8e+06 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 7.40e+06 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 4 3 4 5 6 5 4 3 Planetary 4 3 5 7 6 6 4 4
F. Comments
  None

All times in UTC

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