Viewing archive of Friday, 27 April 2001
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 2001 Apr 27 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 117 Issued at 0245Z on 27 Apr 2001 This report is compiled from data received at SWO on 26 AprA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1126 1312 1319 9433 N17W31 M7.8 2b 320 360 II/IV
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was quiet to
unsettled.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 196 SSN 193 Afr/Ap 010/007 X-ray Background B8.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.1e+05 GT 10 MeV 1.5e+04 p/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 6.60e+06 e/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 1 3 3 2 3 3 2 2 Planetary 1 2 3 2 2 3 2 1
F. Comments
None
All times in UTC
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