Weather Glossary

Maximum Sustained Wind

Plain English first, then the technical definition. From the LightningWX Weather Course.

What Is Maximum Sustained Wind?

The strongest steady wind in a tropical cyclone, not counting short gusts. It decides the storm's category. In technical terms: In U.S.

Also called: Sustained Wind, MSW

Maximum Sustained Wind In Plain English

The strongest steady wind in a tropical cyclone, not counting short gusts. It decides the storm's category.

The Technical Definition

In U.S. practice, the highest 1-minute mean surface (10 m) wind speed associated with a tropical cyclone; many other agencies use a 10-minute mean, which is roughly 12 percent lower. It determines the Saffir-Simpson category and advisory intensity.

Lessons That Use Maximum Sustained Wind

Glossary A–Z The Weather Course LightningWX Home

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