A FEMA administrator created the Waffle House Index after looking for a place to eat during hurricane clean up and only Waffle House was open

Golden hash browns, gravy-smothered biscuits and crispy waffles with a hearty helping of syrup are among the classic Southern comfort foods. But when hurricanes tear through Southeastern towns, the hot meals and bold yellow signs of the local Waffle House provide another kind of comfort.

If a Waffle House stays open in town, even in a limited capacity, neighbors are reassured that the coming storm is unlikely to cause devastation. A closed location of the dependable diner chain has come to indicate impending disaster. The metric is known as the Waffle House Index.

What might sound like silly logic has become one of the most reliable ways for Southerners — and even federal officials — to gauge a storm’s severity and identify communities most in need of immediate aid.

What is the Waffle House Index?

The South’s favorite disaster authority provides an informal measure of how significantly a storm will affect or has affected a community.

A map of the chain’s over 1,900 locations, concentrated in the Southeast and mid-Atlantic, helps........

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