The Hurricane Network (THN) specializes in issuing hazardous wind alerts for non-tropical systems, including watches, warnings, and advisories, for coastal areas across the United States, this coverage also extends to Hawaii, Puerto Rico.
Sustained winds of hurricane-force (75 mph or greater) or wind gusts of 80+ mph are expected within 48 hours.
Sustained winds of hurricane-force (75 mph or greater) are possible, or wind gusts could exceed 80 mph. Usually a watch is issued within 72 hours of the onset of winds.
Wind gusts could reach 75 mph within the next 72 hours.
Issued when sustained winds of 115+ mph are expected within 12 hours from a major hurricane.