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Thursday, April 3, 2025

Brace for a rainy end to November

by

Jean-Marc Rampersad
128 days ago
20241127
Motorists try  to drive through floodwaters along the Western Main Road in Westmoorings over the weekend, after heavy rain caused flooding.

Motorists try to drive through floodwaters along the Western Main Road in Westmoorings over the weekend, after heavy rain caused flooding.

ROGER JACOB

A Yel­low Lev­el Ad­verse Weath­er Alert is cur­rent­ly in ef­fect for Trinidad and To­ba­go un­til 4 pm to­day.

The Trinidad and To­ba­go Me­te­o­ro­log­i­cal Ser­vice (TTMS), said yes­ter­day there is a height­ened risk of land­slides and land­slips and ad­di­tion­al im­pacts can in­clude street/flash flood­ing and gusty winds as­so­ci­at­ed with heavy down­pours. This is the re­sult of con­sec­u­tive days of rain­fall as the ground re­mains sat­u­rat­ed in sev­er­al ar­eas.

The TTMS is­sued the Alert yes­ter­day morn­ing for Trinidad/ It went in­to im­me­di­ate ef­fect and then in­clud­ed To­ba­go in an af­ter­noon up­date. The TTMS ad­vised the pub­lic to avoid dri­ving or wad­ing through flood­wa­ters and to mon­i­tor up­dates on the weath­er con­di­tions from of­fi­cial sources.

This weath­er event is due to the pas­sage of a low-lev­el trough over the area, and as­so­ci­at­ed thun­der­storms.

This alert comes af­ter se­vere flash flood­ing in north­west­ern Trinidad on Sat­ur­day, where an in­tense thun­der­storm re­mained near sta­tion­ary over the area. One weath­er sta­tion in Diego Mar­tin record­ed an as­ton­ish­ing 4.67 inch­es (118.6 mm) of rain­fall in just two hours, over­whelm­ing the Diego Mar­tin Riv­er and in­un­dat­ing sur­round­ing ar­eas with sev­er­al feet of wa­ter.

The out­look for the week shows that there is a low to medi­um chance of thun­der­storms each day head­ing in­to the week­end, with Fri­day and Sun­day like­ly to be the wettest days.

Com­put­er mod­els project about three inch­es of rain through Sat­ur­day to end the month on a wet note. Look­ing fur­ther ahead, there seems to be a dry­ing trend dur­ing the first week of De­cem­ber as a high-pres­sure sys­tem be­comes more dom­i­nant. This can re­sult in some breezy con­di­tions and, un­for­tu­nate­ly, the re­turn of oc­ca­sion­al Sa­ha­ran dust plumes. De­cem­ber is usu­al­ly re­gard­ed as a tran­si­tion pe­ri­od from the wet in­to the dry sea­son.


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