Viewing archive of Thursday, 1 February 2001

Geophysical report

Solar and Geophysical Activity Summary 2001 Feb 01 0245 UTC
Prepared by the NOAA © SWPC and processed by

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 032 Issued at 0245Z on 01 Feb 2001 This report is compiled from data received at SWO on 31 Jan
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
B. Proton Events
C. Geomagnetic Activity Summary
The geomagnetic field ranged from quiet to minor storm levels. A sudden impulse occurred at 0803Z.
D. Stratwarm
Stratwarm alert exists Wednesday Strong minor warming continues. Temperature gradient reversed at 5 HPA and above.
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 153  SSN 130  Afr/Ap 013/018   X-ray Background B7.4
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 8.4e+06   GT 10 MeV 6.7e+04 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 1.40e+06 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 0 1 4 4 3 4 4 3 Planetary 0 0 4 5 4 4 3 3
F. Comments
  AUTODIN transmission of the following bulletins will
cease on 15 Feb 01: FXXX01 KBOU, AXXX01 KBOU, AXXX02 KBOU, and
XXX03 KBOU. The bulletins will still be available via the Internet
at for military users and
for non-military users.  If web access is not acceptable or you
have any questions, please contact Mr. Jerry Sanders at
DSN 271-1399 (COMM 402-294-1399),

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