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It is superseded by a tropical storm warning. [30] [48] High wind watch HWA – Strong sustained winds of 40 to 73 miles per hour (64 to 117 km/h) or greater for one hour or more, or wind gusts of 58 to 89 miles per hour (93 to 143 km/h) for any duration are expected within 12 to 48 hours. Wind speeds may pose a hazard to pedestrian and ...
Sep 19, 2017 · Category 3: Devastating damage will occur. In a Category 3 hurricane, winds range from 111 to 129 mph. There is a high risk of injury or death to people, livestock and pets from flying and falling ...
National Weather Maps. Surface Analysis. Highs, lows, fronts, troughs, outflow boundaries, squall lines, drylines for much of North America, the Western Atlantic and Eastern Pacific oceans, and the Gulf of Mexico.
- Wind. The wind is usually affected in three ways when tropical cyclones go through extratropical transition: The maximum wind speed drops off (although not always by very much).
- Rain. The intense rainfalls from tropical and post-tropical cyclones are in many ways of more concern than high wind events for Canada because they happen much more often.
- Storm surge. Our American neighbours have a great slogan to help promote hurricane preparedness and response: “Hide from the wind--run from the water.” Recent statistics show that most tropical cyclone-related deaths in the United States are now caused by inland flooding.
- Ocean waves. While storm surge remains the greatest hurricane hazard for those on land, high waves are the greatest hurricane threat for those at sea. Canadian statistics show that between1900 and 1950, 75% of the deaths caused by Canadian tropical cyclones happened at sea.
A hurricane warning is a public announcement that one or both of the following dangerous effects of a hurricane are expected in a specific geographic area in 24 hours or less: (1) average sustained winds of at least 119 km/h; (2) dangerously high water levels, or a combination of dangerously high water levels and exceptionally high waves.
Storm warning flag (US) At sea, a storm warning is a warning issued by the National Weather Service of the United States when winds between 48 knots (89 km/h, 55 mph) and 63 knots (117 km/h, 73 mph) are occurring or predicted to occur soon. The winds must not be associated with a tropical cyclone. [ 1 ]
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1 day ago · Central Pacific Hurricane Center 2525 Correa Rd Suite 250 Honolulu, HI 96822 W-HFO.webmaster@noaa.gov
