tropical disturbance

American  

noun

Meteorology.

1. a very weak, or incipient, tropical cyclone.

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Example Sentences

U.S. weather forecasters were warning about a new tropical disturbance, expected to move north across the Gulf of Mexico next week that could bring more rains to Louisiana.

From Reuters • Sep. 4, 2021

The National Hurricane Center is monitoring a tropical disturbance in the Atlantic Ocean that could develop into Tropical Storm Elsa.

From Washington Post • Jun. 30, 2021

If a tropical disturbance nears shore, forecasters also could post advisories or warnings before it develops into a tropical depression or named storm.

From Seattle Times • Jun. 1, 2017

This time the culprit was a comparatively weak and unnamed tropical disturbance that Louisianans initially greeted as a mere inconvenience, the Southern equivalent of a New England snow day.

From The Wall Street Journal • Aug. 18, 2016

It came as a good deal of a surprise to us at Galveston because there had been none of the signs which usually go before a bad tropical disturbance.

From The Boy with the U. S. Weather Men by Rolt-Wheeler, Francis