Viewing archive of Thursday, 27 September 2001

Geophysical report

Solar and Geophysical Activity Summary 2001 Sep 27 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 270 Issued at 0245Z on 27 Sep 2001 This report is compiled from data received at SWO on 26 Sep
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0252 0258 0303              M1.8     81     74
0300 0302 0306                       100    40
1021 1021 1021                       590
B. Proton Events
Start Max End Peak Flux 24/1215 25/2235 ip 12900 (greater than 10 MeV) 24/1440 25/0755 26/1940 31 (greater than 100 MeV)
C. Geomagnetic Activity Summary
The geomagnetic field ranged from quiet to minor storm levels.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 283  SSN 278  Afr/Ap 022/024   X-ray Background C1.9
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 1.4e+09   GT 10 MeV 2.3e+08 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 1.20e+07 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 5 3 5 4 2 2 2 2 Planetary 5 4 5 4 3 3 2 2
F. Comments
  None

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