WW2010
University of Illinois

WW2010
 
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Online Guides
 
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Meteorology
 
  introduction
 
  air masses, fronts
 
  clouds, precipitation
 
  el nino
 
  forces, winds
 
  hurricanes
 
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  light, optics
 
  midlatitude cyclones
 
> severe storms
 
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Severe Storms
 
  introduction
 
  dangers of t-storms
 
  types of t-storms
 
> tstorm components
 
  tornadoes
 
  modeling

Tstorm Components
 
  introduction
 
> updrafts/downdrafts
 
  wind shear
 
  outflow phenomena
 
  wall clouds

Updrafts/Downdrafts
 
  introduction
 
  lemon techique (lt)
 
  multicell lt-analysis
 
  supercell lt-analysis
 
> supercell matures

User Interface
 
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Supercell Matures
further analysis

The storm continued to grow, and assumed an extremely impressive appearance. We are looking northeast from about 20 miles.

[Image: storm intensified (56K)]
Photograph by: NSSL

Was the storm really a supercell? Doppler Radar confirmed a mesocyclone. A storm chase team, looking northwest from about 10 miles, took this photograph. Note the circular banding wrapping around the low levels of the updraft.

[Image: circular banding at low levels (45K)]
Photograph by: NSSL

Again, this is visually suggestive of the rotation that Doppler Radar was indicating. The storm produced large hail and at least one tornado after this photograph was taken.


supercell lt-analysis
Terms for using data resources. CD-ROM available.
Credits and Acknowledgments for WW2010.
Department of Atmospheric Sciences (DAS) at
the University of Illinois at Urbana-Champaign.

Wind Shear