Weather Dictionary / Glossary of Terms

Anvil Crawler


   Weather TermDescription / Definition
   Anvil Crawler [Slang], a lightning discharge occurring within the anvil of a thunderstorm, characterized by one or more channels that appear to crawl along the underside of the anvil. They typically appear during the weakening or dissipating stage of the parent thunderstorm, or during an active MCS.


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Data courtesy of NOAA - National Oceanic and Atmospheric Administration