Effects of Stratification on Surface Frontogenesis: Warm and Cold Fronts

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  • 1 Department of the Geophysical Sciences, The University of Chicago, Chicago, IL 60637
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Abstract

The role of the ambient stratification in semigeostrophic surface frontogenesis is examined. Model fronts forming in regions of large static stability 1) are weaker, 2) are tilted more toward the horizontal, and 3) propagate more slowly toward the warm air than fronts forming in regions of small static stability.

These results are discussed in light of the differences between warm and cold fronts.

Abstract

The role of the ambient stratification in semigeostrophic surface frontogenesis is examined. Model fronts forming in regions of large static stability 1) are weaker, 2) are tilted more toward the horizontal, and 3) propagate more slowly toward the warm air than fronts forming in regions of small static stability.

These results are discussed in light of the differences between warm and cold fronts.

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