WRAL WeatherCenter Blog

What's the difference between isolated thunderstorms and scattered thunderstorms?

Posted July 29, 2007

MIKE MOSS SAYS:       Kristie,      The difference is in the extent of coverage and the associated likelihood, or probability, of measurable precipitation associated with the storms. Isolated activity means that only about 5-20% of the forecast area is expected to be covered at any one time. The term "scattered" equates to coverage of around 30-50%, and thus a better chance of a storm occurring a given location.

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