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Tropical cyclone formation alert

3:42

Formation Of A Tropical Cyclone

3:46

Understanding Tropical Cyclone Warning Signals

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Cyclone formation how it works

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Tropical Disturbance 1 - 80% Chance of Cyclone Formation

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MOZAMBIQUE THREATENED BY CYCLONE FORMATION OFF COAST TS 24S (4/23/2019)

A Tropical Cyclone Formation Alert (TCFA) is a bulletin released by the U.S. Navy-operated Joint Typhoon Warning Center in Honolulu, Hawaii or the Fleet Weather Center in Norfolk, Virginia, warning of the possibility of a tropical cyclone forming from a tropical disturbance that has been monitored. Such alerts are generally always issued when it is fairly certain that a tropical cyclone will form and are not always released prior to cyclone genesis, particularly if the cyclone appears suddenly. The TCFA consists of several different checks that are performed by the on-duty meteorologist of the system and its surroundings. If the condition being checked is met, a certain amount of points are given to the system.
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    • Parts of the TCFA 

    • Issuance checklist