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close this bookSurviving the Storms (FEMA - Federal Emergency Management Agency, 1998, 8 p.)
View the document(introduction...)
View the documentSafer, Stronger, Smarter
View the documentSeverity of Damage Linked to Wind Speed
View the documentKnow Your Weather Terminology
Open this folder and view contentsHurricane Preparations
View the documentWhat to do Before the Storm Strikes
View the documentFlood Insurance: The Best Protection Money Can Buy
View the documentEmergency Planning Could Save Your Business
Open this folder and view contentsA Boater’s Guide to Hurricane Readiness
View the documentRoofs Most Prone to Wind Damage

Know Your Weather Terminology

ADVISORY. Hurricane and storm information disseminated to the public every six hours.

INTERMEDIATE ADVISORY. Information update every two–to–three hours, or as necessary.

SPECIAL ADVISORY. Information disseminated with any significant change in storm–related weather conditions or warnings.

GALE WARNING. An advisory of 39–54 mph sustained winds and strong wave action.

STORM WARNING. An advisory that sustained winds of 55–73 mph are expected.

HURRICANE WATCH. An indication that a hurricane may threaten a specific area but is not imminent.

HURRICANE WARNING. An advisory that a hurricane is expected to strike the specified area within 24 hours or less, with sustained winds of 74 mph or higher and dangerously high water and waves.

TROPICAL DISTURBANCE. A moving area of thunderstorms in the tropics.

TROPICAL WAVE. A westward–moving, low–pressure trough in the deep easterly current that tends to organize low–level circulation and sometimes travels thousands of miles with little change in shape, producing showers and thunderstorms along its path.

TROPICAL DEPRESSION. An area of low pressure, rotary circulation of clouds and winds up to 38 mph.

TROPICAL STORM. Counterclockwise circulation of clouds and winds of 39–73 mph. At this stage the storm is assigned a name.

HURRICANE. A tropical storm with winds of 74 mph or more.

HURRICANE CENTER or EYE. The relatively calm area near the center of the storm which can last from several minutes to more than an hour.


When venturing out after a storm stay away from downed power lines as they present a danger of electrical shock or electricution.