Viewing archive of Wednesday, 1 May 2002
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 2002 May 01 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 121 Issued at 0245Z on 01 May 2002 This report is compiled from data received at SWO on 30 AprA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0647 0653 0658 9919 N15W19 C3.2 Sf 150 0817 0822 0827 M1.3
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 153 SSN 113 Afr/Ap 008/008 X-ray Background B9.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 8.1e+05 GT 10 MeV 4.7e+04 p/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 8.40e+06 e/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 2 2 2 2 3 3 1 1 Planetary 2 2 2 2 3 3 3 1
F. Comments
The 30 April Afr index reported in Part E is estimated from Boulder observations.
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