Viewing archive of Thursday, 24 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 24 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 114 Issued at 0245Z on 24 Apr 2003 This report is compiled from data received at SWO on 23 AprA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0039 0106 0115 0338 N22W25 M5.1 1n 12000 380 II 0128 0130 0131 260 0156 0201 0207 140 IV 0313 0322 0335 0339 C2.2 470 1329 1329 1330 230 1536 1556 1611 0338 N20W22 M2.0 1f 66 1750 1750 1750 100
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was quiet to
active. High speed solar wind stream continues, with speed declining
to below 500 km/s by the end of the period.
D. Stratwarm
None.
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 133 SSN 152 Afr/Ap 016/018 X-ray Background B4.9 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.2e+06 GT 10 MeV 2.5e+04 p/(cm2-ster-day) (GOES-10 satellite synchronous orbit W135 degrees) Daily Electron Fluence GT 2 MeV 1.90e+08 e/(cm2-ster-day) (GOES-10 satellite synchronous orbit W135 degrees) 3 Hour K-indices Boulder 1 4 4 3 3 3 3 3 Planetary 2 4 5 4 3 3 3 3
F. Comments
The greater than 2 MeV electrons at geosynchronous orbit reached high levels again today.
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