Viewing archive of Tuesday, 20 January 2004

Geophysical report

Solar and Geophysical Activity Summary 2004 Jan 20 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 020 Issued at 0245Z on 20 Jan 2004 This report is compiled from data received at SWO on 19 Jan
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0525 0532 0535  0540 S17E05 M1.0  Sf 290                           
 1230 1240 1246  0540        M1.0     560    59                     
 1954 2002 2008  0540 S15W03 C8.2  Sf 630    77     II              
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was quiet to active. Solar wind speed remains elevated (550 to 660 km/s) since the onset of a high speed coronal hole stream on 16 January. IMF Bz was predominantly northward although there were some periods of sustained southward Bz.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 135  SSN 087  Afr/Ap 016/017   X-ray Background B3.9
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 3.1e+06   GT 10 MeV 1.5e+04 p/(cm2-ster-day)
(GOES-11 satellite synchronous orbit W102 degrees)
Daily Electron Fluence
GT 2 MeV 3.00e+08 e/(cm2-ster-day)
(GOES-12 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 3 2 2 3 4 4 3 3 Planetary 3 2 3 4 4 4 3 3 
F. Comments
  None

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