Viewing archive of Wednesday, 19 January 2005

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.
:Product: 20050119SGAS.txt :Issued: 2005 Jan 19 0250 UT Prepared by the NOAA © SWPC and processed by

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 019 Issued at 0245Z on 19 Jan 2005 This report is compiled from data received at SWO on 18 Jan
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 1123 1132 1159  0720        M1.6                                   
 1538 1551 1559  0720 N14W40 M4.6  2n        100                    
 1856 1901 1909  0720 N18W38 C4.2  1f 120                           
B. Proton Events
The greater than 10 MeV proton event remains in progress with a start time of 16/0210 UTC and a peak flux of 5040 pfu observed at 17/1750 UTC. The greater than 100 MeV proton event appears to have ended with a start time of 17/1215 UTC, 28 pfu peak flux observed at 17/1700 UTC, and tentative end at 18/2205 UTC. GOES spacecraft electron sensors and ACE SWEPAM instruments remain affected by the energetic proton event.
C. Geomagnetic Activity Summary
The geomagnetic field ranged from active to severe storm levels.
D. Stratwarm
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 124  SSN 109  Afr/Ap 052/072   X-ray Background B7.1
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 5.5e+08   GT 10 MeV 9.4e+07 p/(cm2-ster-day)
(GOES-11 satellite synchronous orbit W107 degrees)
Daily Electron Fluence
GT 2 MeV 2.00e+08 e/(cm2-ster-day)
(GOES-12 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 5 5 6 4 6 6 4 4 Planetary 6 5 7 5 6 6 4 5 
F. Comments
  The Afr index reported in Part E is estimated by
Boulder observations.

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