Viewing archive of Wednesday, 12 February 2003
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 2003 Feb 12 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 043 Issued at 0245Z on 12 Feb 2003 This report is compiled from data received at SWO on 11 FebA. 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 quiet to
unsettled with a single active period at mostly higher latitudes
between 11/0000 - 0300Z. Solar wind conditions, slightly elevated in
recent days, have declined to normal levels.
D. Stratwarm
STRATWARM ALERT/TUESDAY/STRATWARM EXISTS.
IN THE MIDDLE AND UPPER STRATOSPHERE SLIGHTLY DISTURBED TEMPERATURE
DISTRIBUTION WITH A WARM REGION OVER SIBERIA WHICH DEADS TO A
REVERSED TEMPERATURE GRADIENT BETWEEN 60N AND THE POLE FROM 5 TO 1
HPA.
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 135 SSN 134 Afr/Ap 010/012 X-ray Background B3.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 8.2e+04 GT 10 MeV 1.4e+04 p/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 3.80e+07 e/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 3 3 3 2 2 1 3 2 Planetary 4 3 3 2 2 3 3 1
F. Comments
The greater than 2 MeV electron fluxes at geosynchronous orbit once again reached high levels.
All times in UTC
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