Viewing archive of Tuesday, 28 August 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 Aug 28 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 240 Issued at 0245Z on 28 Aug 2001 This report is compiled from data received at SWO on 27 AugA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0631 0638 0656 9601 M1.9
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was quiet to
active.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 192 SSN 182 Afr/Ap 015/012 X-ray Background C1.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.3e+06 GT 10 MeV 5.8e+04 p/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 3.70e+06 e/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 2 4 1 1 2 3 4 4 Planetary 2 3 1 1 3 3 4 4
F. Comments
A shock passed the ACE spacecraft at 27/1920 UTC and created a sudden impulse of 37 nt at the Earth at 27/1952 UTC.
All times in UTC
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