Isentropic analysis of a dry line bulge and the real weather implications
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Isentropic Analysis of a Dry Line Bulge and the “Real Weather” Implications PowerPoint PPT Presentation


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Isentropic Analysis of a Dry Line Bulge and the “Real Weather” Implications. By Mark L. Bogner Assistant Chief Meteorologist KSNW-TV, Wichita. Already Known About Dry Line. Bulges develop when short wave comes out Dry line may “surge” as well Favored area for severe weather development

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Isentropic Analysis of a Dry Line Bulge and the “Real Weather” Implications

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Isentropic analysis of a dry line bulge and the real weather implications

Isentropic Analysis of a Dry Line Bulge and the “Real Weather” Implications

By Mark L. Bogner

Assistant Chief Meteorologist

KSNW-TV, Wichita


Already known about dry line

Already Known About Dry Line

  • Bulges develop when short wave comes out

  • Dry line may “surge” as well

  • Favored area for severe weather development

  • Especially just along and north of the “axis” of the bulge


An orientation to the ksn look of isentropic analysis

An Orientation to the “KSN Look” of Isentropic Analysis


Dry line forecast by nam in june of 06

Dry Line Forecast By NAM in June of ‘06


Area of maximum downglide

Area of Maximum Downglide


Area of maximum upglide

Area of Maximum Upglide


Final points

Final Points

  • Important to check MANY levels to find the “effective” layer

  • Watch the ISENTROPIC wind field along the boundary

  • Upglide forcing results in rapid destabilization and/or cap erosion


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