Which state in the us has the largest windstorm exposure?

Florida

Explanation:

The Florida State of USA has the largest windstorm exposure in the whole of USA.

South east Florida (Florida-Fort Lauderdale-West Palm Beach) Due to its location at the states edge, Southeast Florida is highly susceptible to storms. The majority of major storms affect Southeast Florida with hurricanes and plenty of rain - and those making direct landfall often cause serious damage.