Viewing archive of Thursday, 11 November 2004

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: 20041111SGAS.txt :Issued: 2004 Nov 11 0250 UT Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 316 Issued at 0245Z on 11 Nov 2004 This report is compiled from data received at SWO on 10 Nov
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0000 0000 0247                                        IV           
 0159 0213 0220  0696 N09W49 X2.5  3b 2700   650    II/IV           
 0221 0221 0249       N09W48       3n                               
 0234 0000 0241                                     II              
 0247 0000 0410                                        IV           
 0305 0305 0306                       480                           
 0441 0441 0441                       87               IV           
 0600 0000 0800                                        IV           
 0727 0739 0747              C2.6     110                           
 0749 0749 0750                       440                           
 0839 0839 0839                       520                           
 0956 0956 0956                       250                           
 2205 2205 2205                       67               IV           
B. Proton Events
A greater than 10 MeV peak flux of 424 pfu was observed at 10/1655Z. A greater than 100 Mev proton event began at 10/0320Z, peaked at 2.1 pfu at 10/0340Z, and ended at 10/1250Z.
C. Geomagnetic Activity Summary
The geomagnetic field ranged from active to severe storm levels. Yesterday's strong shock at 09/1852Z was followed by a short period of strong southward Bz to near 40 nT, before rotating northward for approximately five hours. At 10/0100Z, the solar wind exceeded 800 km/s and Bz rotated southward again, ranging from -15 to -25 nT for over nine hours. The geomagnetic field response was severe at all latitudes. The period ended at minor storm levels with solar wind speed declining to near 600 km/s.
D. Stratwarm
None.
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 105  SSN 050  Afr/Ap 100/181   X-ray Background B5.2
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 2.2e+08   GT 10 MeV 1.1e+07 p/(cm2-ster-day)
(GOES-11 satellite synchronous orbit W102 degrees)
Daily Electron Fluence
GT 2 MeV 3.30e+08 e/(cm2-ster-day)
(GOES-12 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 7 7 8 8 6 5 5 3 Planetary 8 8 9 9 7 6 5 4 
F. Comments
  None.

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