Tornado vortex signature | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-06-16

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Tornado_vortex_signature


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SUMMARY
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A tornado vortex signature or tornadic vortex signature, abbreviated TVS, is a Pulse-Doppler radar weather radar detected rotation algorithm that indicates the likely presence of a strong mesocyclone that is in some stage of tornadogenesis. It may give meteorologists the ability to pinpoint and track the location of tornadic rotation within a larger storm, but it is not an important feature in the National Weather Service's warning operations.The tornadic vortex signature was first identified by Donald W. Burgess and others in the 1970s using experimental Doppler radar at the National Severe Storms Laboratory (NSSL) in Norman, Oklahoma. The National Weather Service (NWS) now uses an updated algorithm developed by NSSL, the tornado detection algorithm (TDA) based on data from its WSR-88D system of radars. NSSL also developed the mesocyclone detection algorithm (MDA).