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The NHC official forecast for Ernesto (2006) is light blue, while the storm's actual track is the white line over Florida Main article: Automated Tropical Cyclone Forecasting System Historically, tropical cyclone tracking charts were used to include the past track and prepare future forecasts at Regional Specialized Meteorological Centers and ...
Tropical cyclone warnings and watches are alerts issued by national weather forecasting bodies to coastal areas threatened by the imminent approach of a tropical cyclone of tropical storm or hurricane intensity. They are notices to the local population and civil authorities to make appropriate preparation for the cyclone, including evacuation ...
About four days in advance of a typical tropical cyclone, an ocean of 1 metre (3.3 ft) in height will roll in about every 10 seconds, moving towards the coast from the direction of the tropical cyclone's location. The ocean swell will slowly increase in height and frequency the closer a tropical cyclone gets to land.
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A bomb cyclone's winds can reach hurricane force - 74 miles (119 km) per hour - and stronger. These storms tend to form during winter and can spawn copious amounts of precipitation.
The initial extratropical low-pressure area forms at the location of the red dot on the image. It is usually perpendicular (at a right angle to) the leaf-like cloud formation seen on satellite during the early stage of cyclogenesis. The location of the axis of the upper level jet stream is in light blue. (from Cyclone)
A storm system sweeping through the eastern states could produce localized flooding rainfall and strong winds that might down trees and knock out power, especially in New England.
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