Weather Dictionary / Glossary of Terms

Positive Area


   Weather TermDescription / Definition
   Positive Area The area on a sounding representing the layer in which a lifted parcel would be warmer than the environment; thus, the area between the environmental temperature profile and the path of the lifted parcel. Positive area is a measure of the energy available for convection; see CAPE.


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Data courtesy of NOAA - National Oceanic and Atmospheric Administration