Tropical disturbance: Often the earliest stages of a tropical cyclone. Normally an organized area of thunderstorms that forms in the tropics and persists for more than 24 hours.
Tropical Disturbance: A discrete system of apparently organized convection originating in the tropics or subtropics, having a non-frontal migratory character and maintaining its identity for 24 hours or more.
Tropical Disturbance
A discrete tropical weather system of apparently organized convection--generally 100 to 300 nmi in diameter -- originating in the tropics or subtropics, having a nonfrontal migratory character, ...
TROPICAL DISTURBANCE An area of organized convection, originating in the tropics and occasionally the subtropics, that maintains its identity for 24 hours or more.
tropical disturbance - A migratory, organized region of convective showers and thunderstorms in the Tropics that maintains its identity for at least 24 hours but has no closed wind circulation.
TROPICAL DISTURBANCE: An organized mass of tropical thunderstorms, with a slight cyclonic circulation, and winds less than 20 knots.
TROPICAL STORM: An organized cyclone in the tropics with wind speed between 35 and 64 knots.
Tropical disturbance A region of convective activity over tropical seas with a detectable center of low pressure; the initial stage in the development of a hurricane.
Tropical Disturbance- An organized mass of thunderstorms in the tropics than lasts for more than 24 hours, has a slight cyclonic circulation, and winds less than 23 mph.
Special Tropical Disturbance Statement (DSA) This statement issued by the National Hurricane Center furnishes information on strong and formative non-depression systems.
TROPICAL DISTURBANCE - A persistant region of convective weather over the tropical regions but not strong enough to be classified as a tropical depression. Often lacks a closed circulation.
Depending on sustained surface winds, the system is classified as a tropical disturbance, a tropical depression, a tropical storm, or a hurricane or typhoon.
Heavy rain and Flooding a problem of any tropical disturbance
Apart from the storm surge, heavy rainfall causes both flash and long term flooding.
TUTTs sometimes brings a large amount of vertical wind shear over tropical disturbances and cyclones and thus hinder their development.
It is a broad area of low pressure where both the Coriolis force and the low-level pressure gradient are weak, occasionally allowing tropical disturbances to form.
Tropical Depression
NOAA National Weather Service - Cite This Source - This Definition
Browse Related Terms: Indirect Hit, INLD, Landfall, Tropical Cyclone Associated High Winds, Tropical Disturbance, TRPCL, TS, Willy-Willy
Also listed in ...
DSASpecial Tropical Disturbance StatementDSIPTDissipateDst IndexA geomagnetic index describing variations in the equatorial ringcurrentDTRTDeteriorateDuration CurveIn hydrologic terms, ...
 See also: Storm, Disturbance, Water, Surface, Cyclone
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