Needed Showers but Unwelcome Hazardous Seas for Much of the Caribbean

7 03 2016

Dale C. S. Destin |

A cold front is sweeping the Caribbean, bringing much-needed showers but unwelcome strong winds and hazardous seas.

Rainfall

Already, more than an inch of rain has fallen in parts of Cuba and Hispaniola over the past 72 hours. Meanwhile, winds have reached near 20 knots (23 mph) with stronger gusts across Cuba. Seas are near 3 m (10 ft.) and rising, mainly across the northern waters of the Bahamas.

The front is expected to reach Trinidad by around Thursday/Friday, which is very unusual for such a system to go so far south into the Caribbean.

As it moves across the region, showers will spread to the Virgin Islands today; the Leeward Islands late Tuesday/Wednesday; the Windward Islands and Barbados Wednesday/Thursday and Trinidad and Tobago Thursday/Friday.

Most of these islands will likely see rainfall totals in the range of 10-40 mm (0.40-1.60 in). At least minor inland flooding is possible across some islands.

FcastRain

Forecast 5-Day Rainfall Total for the Period March 7-11, 2016

Strong winds and rough seas will reach the various islands within 24 hours after the arrival of the front and continuing for up to 120 hours after the front passes. Thus, by Friday, most of the waters of the Caribbean will be having hazardous seas and will require the requisite warnings for mariners and sea bathers. Seas could peak near 3.5 m (12 ft.) across some areas.

Seas.png

Most areas will see sustained winds in excess of 20 knots (23 mph) with gusts across a few islands reaching gale force strength of near 40 knots (46 mph). Higher elevations can expect higher speeds.

WindGusts.png

With the combination of strong winds, sea swells and wind-driven waves, flooding of low-lying coastal areas due to large breaking waves is possible. Damage to coastlines can also be expected.

The strong winds could also render some routine outdoor activities uncomfortable if not hazardous.

We will continue to follow the progress of this system and keep you posted. Meanwhile, pay attentions forecast coming from your local meteorological office for information specific to you location.

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