Viewing archive of Tuesday, 21 September 2004

Geophysical report

:Product: 20040921SGAS.txt :Issued: 2004 Sep 21 0250 UT Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 265 Issued at 0245Z on 21 Sep 2004 This report is compiled from data received at SWO on 20 Sep
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0403 0404 0404                       110                           
B. Proton Events
The greater than 10 MeV proton event that began yesterday, has ended. The start time was 19/1925Z and the maximum of 57 pfu occurred at 20/0100Z. The event ended at 20/1205Z.
C. Geomagnetic Activity Summary
The geomagnetic field ranged from quiet to unsettled levels with an isolated active period from 0600-0900Z. The active level followed a period of southward IMF Bz.
D. Stratwarm
None.
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 101  SSN 059  Afr/Ap 012/013   X-ray Background B1.9
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 9.3e+06   GT 10 MeV 1.0e+06 p/(cm2-ster-day)
(GOES-11 satellite synchronous orbit W99 degrees)
Daily Electron Fluence
GT 2 MeV 1.80e+07 e/(cm2-ster-day)
(GOES-12 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 3 1 4 3 3 2 1 1 Planetary 3 1 4 3 3 2 2 2 
F. Comments
  None.

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