Cross sections - frontogenesis and lapse rate
Notes:
The shading on these images indicate areas where the lapse rate of equivalent potential temperature was less than 1 degree C per km, indicating near neutral to unstable conditions. Note that reduced stability was not well co-located with the low-level front through 21z on the 14th, then reduced stability developed just above the frontal surface during the evening on the 14th. The reduced stability would favor a more narrow, intense circulation associated with the frontal zone, which would favor banding and regions of more intense precipitation.
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Slide 9