The Moore, Oklahoma tornado: What happened, and what happens next

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The tornado that devastated Moore, Oklahoma yesterday was an F4 or F5 on the Fujita Scale, according to the National Weather Service.. An F5 is the highest designation. The NWS said the storm, which killed at least two dozen people, packed winds of up to 200 mph.

Meteorologist Craig Edwards, who was on the tornado assessment team after the 1999 Oklahoma City tornado, joins The Daily Circuit to talk about yesterday's disaster. Also joining the conversation is Kenneth Blumenfeld, a visiting professor at the University of Minnesota.