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What information is contained in a CONVECTIVE SIGMET in the conterminous United States?
| | A) Severe icing, severe turbulence, or widespread dust storms lowering visibility to less than 3 miles. |
| * | B) Tornadoes, embedded thunderstorms, and hail 3/4 inch or greater in diameter. |
| | C) Moderate thunderstorms and surface winds greater than 40 knots. |
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