Viewing archive of Friday, 6 October 2000

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 2000 Oct 06 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 280 Issued at 0245Z on 06 Oct 2000 This report is compiled from data received at SWO on 05 Oct
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 unsettled to severe storm levels (estimated Kp of 7). A strong shock was observed at the Ace spacecraft at 05/0241Z, and was followed by transient flow with enhanced density, speed, and magnetic fields. Major to severe storming at all latitudes began after 0300Z. There were two intervals of strongly negative Bz: the first was from 05/0504 - 0543Z with Bz values reaching -27 nT, and the second was from 05/0958 - 1119Z with Bz values reaching -23 nT. Severe levels were seen at high latitudes from 05/0300 - 1500Z, and mid-latitudes also attained the K=7 level from 05/0600 - 0900Z. The disturbance appeared to be subsiding during the last hours of the day to unsettled to active levels.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 174  SSN 145  Afr/Ap 058/096   X-ray Background B6.1
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 2.0e+05   GT 10 MeV 9.6e+03 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 3.90e+05 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 5 6 7 6 6 6 3 4 Planetary 5 7 7 7 7 6 4 4
F. Comments
  None

All times in UTC

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