Viewing archive of Thursday, 20 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.
:Product: 20040520SGAS.txt
:Issued: 2004 May 20 0250 UT
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.comJoint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 141 Issued at 0245Z on 20 May 2004 This report is compiled from data received at SWO on 19 MayA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep None
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was mostly
quiet to unsettled. An isolated active period occurred at some
locations at 19/1500-1800 UTC.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 109 SSN 087 Afr/Ap 005/006 X-ray Background B1.7 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.3e+05 GT 10 MeV 1.4e+04 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W96 degrees) Daily Electron Fluence GT 2 MeV 2.20e+06 e/(cm2-ster-day) (GOES-12 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 1 3 1 3 3 4 3 3 Planetary 1 2 1 1 3 2 2 2
F. Comments
The ACE spacecraft orbit will bring ACE nearly in line with the Sun from about May 30 to June 2, 2004. During that time solar radio noise is expected to interfere with spacecraft telemetry resulting in the loss of solar wind plasma, magnetic field, and particle data.
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