Viewing archive of Saturday, 8 May 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.
Solar and Geophysical Activity Summary 2004 May 08 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 129 Issued at 0245Z on 08 May 2004 This report is compiled from data received at SWO on 07 May
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0956 1018 1038              B7.3                   II              
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was quiet to active. The high speed coronal hole stream that became geoeffective on 05 May continues to buffet the geomagnetic field. Frequent southward IMF Bz oscillations over the last 24 hours are responsible for the most disturbed periods. The high speed stream does appear to be subsiding: solar wind speed decreased to below 500 km/s late in the period.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 085  SSN 034  Afr/Ap 019/017   X-ray Background A6.1
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 4.0e+05   GT 10 MeV 1.3e+04 p/(cm2-ster-day)
(GOES-11 satellite synchronous orbit W97 degrees)
Daily Electron Fluence
GT 2 MeV 5.20e+07 e/(cm2-ster-day)
(GOES-12 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 4 4 4 2 3 4 2 3 Planetary 3 4 4 2 3 4 3 2 
F. Comments
  None

All times in UTC

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