‘An enhanced risk’ for the Lowcountry: Understanding severe thunderstorm risk categories

Weather

CHARLESTON, S.C. (WCBD) – As the Lowcountry braces for the potential of severe weather on Thursday, the National Weather Service Storm Prediction Center has placed the region in Level 3: Enhanced Risk.

But what do the risk categories mean? According to the National Weather Service, there are five risk categories for severe thunderstorms.

Level 1: Moderate Risk means that isolated severe thunderstorms are possible, but they are expected to be “limited in duration and/or coverage and/or intensity.”

Level 2: Slight Risk means that scattered severe storms are possible, but they are expected to be “short-lived and/or not widespread.” “Isolated intense storms” are also possible.

Level 3: Enhanced Risk means that numerous severe storms are possible, and they are expected to be “more persistent and/or widespread,” with “a few intense” storms possible.

Level 4: Moderate Risk means that widespread severe storms are likely, and they are expected to be “long-lived, widespread, and intense.”

Level 5: High Risk means that widespread severe storms are expected, and they will likely be “long-lived, very widespread, and particularly intense.”

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