Viewing archive of Sunday, 17 December 2006
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 2006 Dec 17 0248 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 351 Issued at 0245Z on 17 Dec 2006 This report is compiled from data received at SWO on 16 DecA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep None
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was at quiet
to active levels. The elevated conditions were due to the lingering
effects of the transient resulting from the X3 flare that occurred
on 13 December. A shock passage was observed at the ACE spacecraft
at approximately 16/1722Z which was followed by a Sudden Impulse at
the Boulder magnetometer at 16/1756Z (13 nT). This latest
disturbance is associated with the X1 flare that occurred on 14
December.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 082 SSN 020 Afr/Ap 010/011 X-ray Background A5.9 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.4e+07 GT 10 MeV 1.8e+05 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W136 degrees) Daily Electron Fluence GT 2 MeV 1.00e+09 e/(cm2-ster-day) (GOES-12 satellite synchronous orbit W76 degrees) 3 Hour K-indices Boulder 2 4 2 1 1 2 3 3 Planetary 3 4 1 1 0 2 4 3
F. Comments
The greater than 2 MeV electron fluence at geosynchronous orbit reached reached high levels today.
All times in UTC
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