Spuall lines

Below is theschematic model of the gravity wave structure for a mature-stage multicellular squall line based on 2D simulation results. Updrafts greater 1 ms-1  are heavily shaded, and downdrafts less than  1 ms-1  arelightly shaded.Heavy line is the cold pool outline defined by the θ′=-1 K contour; cloud shield is defined by the 0.5 g kg-1  contour of nonprecipitating hydrometeor mixing ratio.



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Last updated: September 17, 2003

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