Destructive, long-track tornadoes are possible on Friday as over 90 million Americans prepare for potential severe weather.

A busy stretch of severe thunderstorms is underway due to record heat and now the threats are ramping up, putting major metro areas from Chicago to Nashville under threat as the country hits the peak of tornado season.

An EF-2 tornado touched down in New Richmond, Wisconsin during Thursday evening's severe storms, the National Weather Service says. There were more than a dozen tornado warnings and multiple observed tornadoes across Minnesota and Wisconsin.

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