Viewing archive of Monday, 16 February 2004
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 2004 Feb 16 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 047 Issued at 0245Z on 16 Feb 2004 This report is compiled from data received at SWO on 15 FebA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0245 0245 0246 910 0821 0821 0821 200 1134 1135 1135 100 1506 1506 1507 130 2206 2206 2206 120
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was at
predominantly unsettled to minor storm levels. This disturbance
began on 12 February following the onset of a high speed coronal
hole stream. Solar wind speeds this period generally ranged from 650
to 700 km/s.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 102 SSN 075 Afr/Ap 023/018 X-ray Background B1.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.4e+06 GT 10 MeV 1.3e+04 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W101 degrees) Daily Electron Fluence GT 2 MeV 6.70e+08 e/(cm2-ster-day) (GOES-12 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 5 4 4 4 2 4 2 3 Planetary 4 4 3 5 3 3 3 2
F. Comments
The greater than 2 MeV electron fluence at geosynchronous orbit was at high levels.
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