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Long Description:
Eta 12-hr fgen, ageostrophic circulation and EPV valid 1/28 00z
Slide Links:
Speaker Notes:
This cross-section, taken from western Pa through eastern NY, shows that there was an unstable layer, centered around 500 mb, that did not show up in the 500-700 mb plan-view EPV chart on the previous slide. The upward branch of the ageostrophic circulation extends up through the unstable zone.