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Hurricane Advisories and WarningsSource: Federal Emergency Management Agency and NOAA. Thanks to modern detection and tracking devices, the National Weather Service can usually provide 12 to 24 hours of advance warning. Advisories are issued by the Weather Service if NOAA hurricanes approach land. A “hurricane watch” is issued whenever a hurricane becomes a threat to coastal areas. Everyone in the area covered by the “watch” should listen for further advisories and be prepared to act promptly if a hurricane warning is issued. A “hurricane warning” is issued when hurricane winds of 74 miles an hour or higher, or a combination of dangerously high water and very rough seas, are expected in a specific coastal area within 24 hours. Precautionary actions should begin immediately.
Information Please® Database, © 2007 Pearson Education, Inc. All rights reserved. More on Hurricane Advisories and Warnings from Infoplease:
- Weather - Infoplease is the world's largest free reference site. Facts on weather, space, astronomy, explorations, inventions, aviation, computers, science, and the Internet.
- Hurricane Season - The deadliest, strongest, and costliest U.S. storms
- Hurricanes by the Numbers - Millions live in the paths of the biggest storms
- Hurricane Katrina - A disaster and its catastrophic aftermath
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