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schurricane guide CKNOW What is a Hurricane A hurricane is a tropical cyclone with winds that have reached a constant speed of miles per hour or higher Hurricane winds blow in a large spiral around a relative calm center known as the eye As a hurricane ne

CKNOW What is a Hurricane A hurricane is a tropical cyclone with winds that have reached a constant speed of miles per hour or higher Hurricane winds blow in a large spiral around a relative calm center known as the eye As a hurricane nears land it can bring torrential rains high winds and storm surges The storm surge and heavy rains can lead to ooding Tropical cyclones are classi ?ed as follows Tropical Depression An organized system of clouds and thunderstorms with a de ?ned circulation and maximum sustained winds of mph knots or less Tropical Storm An organized system of strong thunderstorms with a de ?ned circulation and maximum sustained winds of to mph - knots Hurricane An intense tropical weather system with a well-de ?ned circulation and maximum sustained winds of mph knots or higher In the western Paci ?c hurricanes are called ??typhoons ? and similar storms in the Indian Ocean are called ??cyclones ? Hurricanes are products of the interaction between tropical oceans and the atmosphere Powered by heat from the sea they are steered by the easterly trade winds and the temperate westerlies as well as by their own ferocious energy Around their core winds grow with great velocity generating violent seas Moving ashore they sweep the ocean inward while spawning tornadoes and producing torrential rains and oods Each year on average tropical storms of which six become hurricanes develop over the Atlantic Ocean Caribbean Sea or Gulf of Mexico Many of these remain over the ocean however about ?ve hurricanes strike the United States coastline every three years Of these ?ve two will be major hurricanes category or greater on the Sa ?r-Simpson Hurricane Scale Watches and Warnings Mitigation Tropical Storm Watch An announcement that tropical-storm conditions are possible within the speci ?ed area Hurricane Watch An announcement that hurricane conditions are possible within the speci ?ed area There are things that you can do now that can help you avoid loss of life and property and may reduce your risk of becoming a disaster victim Those things are called mitigation There are many low-cost actions you can take to protect yourself your home or your business from losses Because outside preparedness activities become di ?cult once winds reach tropical storm force watches are issued hours in advance of the anticipated onset of tropical-storm-force winds Protection from Wind ? Analyze structural strengths and weaknesses of your home or business ? Retro ?t your existing roof with hurricane straps and gable end braces ? If you are building a new home or Action During a watch prepare your home and review your plan for evacuation in case a Hurricane or Tropical Storm Warning is issued Listen closely to instructions from local o ?cials business consider a hip roof with a pitch of degrees or less ? Secure all outdoor furniture to prevent it from blowing away ? Install plywood at least '' thick or build storm shutters to protect windows Tropical Storm Warning An