Viewing archive of Saturday, 26 April 2003
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 2003 Apr 26 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 116 Issued at 0245Z on 26 Apr 2003 This report is compiled from data received at SWO on 25 AprA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0523 0540 0558 0346 N14E79 M1.2 Sf 100 82 II 0723 0723 0723 110 0927 0927 0927 290 1945 1954 1959 0338 N19W58 C7.5 Sf 330 2013 2013 2013 100
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was at
predominantly active to minor storm levels. High speed solar wind
speeds along with embedded transient activity are believed to be
responsible for the elevated conditions. The greater than 2 MeV
electron fluxes at geosynchronous orbit reached high levels again
today.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 144 SSN 173 Afr/Ap 026/032 X-ray Background B6.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.0e+06 GT 10 MeV 1.3e+04 p/(cm2-ster-day) (GOES-10 satellite synchronous orbit W135 degrees) Daily Electron Fluence GT 2 MeV 2.20e+08 e/(cm2-ster-day) (GOES-10 satellite synchronous orbit W135 degrees) 3 Hour K-indices Boulder 5 4 4 4 4 4 3 3 Planetary 4 5 5 5 3 4 3 5
F. Comments
None
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