Below 7000 feet Sustained winds of 40 mph or more and/or gusts of 58 mph or more continuing for an hour or more. Above 7000 feet Sustained winds of 50 mph or more and/or gusts of 70 mph or more continuing for an hour or more.
Sustained winds of 40 mph or higher, or gusts greater than 57 mph (not due to thunderstorms), that are expected to last for an extended period of time.
Sustained winds greater than or equal to 40 mph or gust greater than or equal to 58 mph.