Bob Van Dillen explains 'The Cap' in severe weather forecasting

Name: Bob Van Dillen explains 'The Cap' in severe weather forecasting
Uploaded: 2026-04-27T12:11:55Z
Duration: 54 s
Description: Meteorologist Bob Van Dillen provides a "Know Your Fox Weather" explanation of "The Cap," an air layer that prevents thunderstorms. He clarifies how the cap works, how energy builds below it, and how sufficient upward momentum can break it, leading to explosive severe thunderstorm development.

Fox Weather First · FWX · Apr 27, 2026 · 54s

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Meteorologist Bob Van Dillen provides a "Know Your Fox Weather" explanation of "The Cap," an air layer that prevents thunderstorms. He clarifies how the cap works, how energy builds below it, and how sufficient upward momentum can break it, leading to explosive severe thunderstorm development.