A Tropical Cyclone is a low pressure system not associated with a cold
front, that develops over Tropical and sometimes sub-tropical waters and
The Tropical Cyclone will have a organized circulation
A statement prepared by National Weather Service forecast offices giving
specific details for its County Warning Area on weather conditions
evacuation decisions and other precautions to protect life and property
Tropical cyclone advisories contain information issued by the Tropical
Prediction Center describing all tropical cyclone watches and warnings
in effect and details concerning tropical cyclone locations and intensity
A term you will hear in advisories and reports to indicate that a tropical
cyclone has lost its tropical characteristics. The term implies both poleward
displacement of the cyclone and the conversion of the cyclone's primary
energy source from the release of latent heat of condensation to baroclinic
processes It is important to note that cyclones can become extratropical and
still retain winds of hurricane or tropical storm force
An abnormal rise in sea level accompanying a hurricane or other intense storm
and whose height is the difference between the observed level of the sea surface
and the level that would have occurred in the absence of the cyclone. Storm surge
is usually estimated by subtracting the normal or astronomic high tide from the
observed storm tide
