Weather Dictionary / Glossary of Terms

Dry Adiabatic Lapse Rate


   Weather TermDescription / Definition
   Dry Adiabatic Lapse Rate The rate at which the temperature of a parcel of dry air decreases as the parcel is lifted in the atmosphere. The dry adiabatic lapse rate (abbreviated DALR) is 5.5°F per 1000 ft or 9.8°C per km.


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Data courtesy of NOAA - National Oceanic and Atmospheric Administration