Weather servicesQuestion 397 of 934

Within what distance of a severe thunderstorm can severe turbulence be expected?

  1. Only inside the cloud
  2. Up to 20 miles
  3. Up to 1 mile
  4. Up to 100 miles
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Correct answer: Up to 20 miles

The distance falls to about 10 miles for less severe storms.

Source: Aeronautical Information Manual (FAA, Basic with Change 3, 9 July 2026), AIM 7-1-26 Thunderstorms, page 578

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Questions last reviewed: 18 October 2026