The Atlantic hurricane season runs from June 1st to November 30th, The Atlantic basin includes the Atlantic Ocean, Caribbean Sea, and Gulf of Mexico.
Tropical cyclone: A rotating, organized system of clouds and thunderstorms that originates over tropical or subtropical waters and has a closed low-level circulation. Tropical cyclones rotate counterclockwise in the Northern Hemisphere. They are classified as follows:
- Tropical Depression: A tropical cyclone with maximum sustained winds of 38 mph (33 knots) or less.
- Tropical Storm: A tropical cyclone with maximum sustained winds of 39 to 73 mph (34 to 63 knots).
- Hurricane: A tropical cyclone with maximum sustained winds of 74 mph (64 knots) or higher. In the western North Pacific, hurricanes are called typhoons; similar storms in the Indian Ocean and South Pacific Ocean are called cyclones.
Major Hurricane: A tropical cyclone with maximum sustained winds of 111 mph (96 knots) or higher, corresponding to a Category 3, 4 or 5 on the Saffir-Simpson Hurricane Wind Scale.
Official Nantucket Info Sources
- Nantucket Police Twitter Home
- Nantucket Police Facebook Home
- Nantucket Harbormaster Twitter Home
- Nantucket Fire Department
- Nantucket’s Official Twitter Home
- National Weather Service Boston Twitter
- National Grid Power Outages
- MA Emergency Management Twitter
Other Helpful Sources
The Town of Nantucket has adopted the ping4alerts! app enabling it to send alerts to residents and visitors regarding emergencies or advisories. Ping4alerts! is a free app that must be downloaded from your devices app store and requires no registration or personal information from users.
Alerts can be sent to mobile network devices in small or larger geographic areas. These alerts may contain text, media, maps, links and other pertinent information.