File:Squall line conceptual.jpg

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Squall_line_conceptual.jpg ‎(650 × 465 pixels, file size: 55 KB, MIME type: image/jpeg)

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Description
English: Conceptual vertical cross-section of a trailing stratiform Mesoscale Convective Storm Flow Structure :
  1. A descending mesoscale rear inflow jet (RIJ)
  2. An ascending front-to-rear flow
  3. A "wake" low (L) occurs at the surface of the back edge of the stratiform rain, in association with warming due to unsaturated descent
  4. A mesohigh (H) occurs below the convective region.
  5. A weak mesolow (L1), associated with warming by compensating downward motion is often noted ahead of the convective line at the surface.
  6. In the midtroposphere a small, apparently hydrostatic mesolow (L3) is located below the primary sloping buoyant convective updraft.
  7. In the vicinity of the melting layer or just above, is another mesolow (L4) that is larger in scale.
  8. A mesohigh at upper levels (H) atop the mesoscale system becomes particularly well marked in the case of mesoscale convective complexes.
Date
Source NOAA
Author Houze et al.
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This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties.

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current04:23, 30 July 2013Thumbnail for version as of 04:23, 30 July 2013650 × 465 (55 KB)Pierre cb (talk | contribs){{Information |Description ={{en|1=Mesoscale Convective Storm Flow Structure : # A descending mesoscale rear inflow jet (RIJ) # An ascending front-to-rear flow}} |Source =http://www.crh.noaa.gov/lsx/science/images/mcsltst/Mcsmdl3.jpg |Autho...

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