Viewing archive of Friday, 20 July 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 Jul 20 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 201 Issued at 0245Z on 20 Jul 2001 This report is compiled from data received at SWO on 19 JulA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0323 0323 0323 510 0755 0755 0756 130 0952 1004 1017 9537 S08W62 M1.8 1b 200 380
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was quiet to
unsettled except for one active period at high latitudes. The solar
wind continued to exhibit characteristics of a high speed stream.
The greater than 2 MeV electron flux at geosynchronous orbit reached
high levels.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 142 SSN 180 Afr/Ap 006/009 X-ray Background B3.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.4e+05 GT 10 MeV 1.2e+04 p/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 6.20e+07 e/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 2 2 2 2 2 2 2 2 Planetary 1 2 2 2 2 4 3 2
F. Comments
None
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