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Tornado Warning & Severe Storm Coverage 7/21/2026

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787 views22likes26:59OHNewsWeatherOriginal Release: 2026-07-22

A tornado warning is issued when a tornado is imminent or occurring, requiring immediate shelter in the lowest level of a sturdy building with as many walls between you and the outside as possible; meteorologists use Doppler radar to detect rotation through velocity patterns showing inbound winds of 60+ mph with minimal outbound winds, and products like correlation coefficient and normalized rotation to identify tornado debris signatures, while rain-wrapped tornadoes cannot be seen and require shelter even without visual confirmation.