Viewing archive of Saturday, 15 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 15 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 046 Issued at 0245Z on 15 Feb 2003 This report is compiled from data received at SWO on 14 FebA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0907 0918 0923 0284 N13W86 M1.2 Sf
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was at quiet
to active levels. Early in the period the solar wind speed began a
gradual increase to a current 500 km/s rise, this, along with
frequent periods of southward Bz allowed for the active conditions.
The greater than 2 MeV electron fluxes at geosynchronous orbit
reached moderate levels today.
D. Stratwarm
STRATWARM ALERT / FRIDAY / STRATWARM EXISTS.
IN THE MIDDLE AND UPPER STRATOSPHERE, STILL SLIGHTLY DISTURBED
TEMPERATURE DISTRIBUTION WITH A WARM REGION OVER SIBERIA LEADING TO
A REVERSED TEMPERATURE GRADIENT BETWEEN 60N AND THE POLE AT 10 AND 1
HPA.
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 131 SSN 113 Afr/Ap 019/019 X-ray Background B4.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 9.1e+05 GT 10 MeV 1.3e+04 p/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.30e+07 e/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 4 4 2 3 4 4 3 2 Planetary 4 3 2 3 4 4 4 3
F. Comments
None
All times in UTC
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