Showers, Rain Forecast Over Next 24 Hours, Mostly Sunny End to Weekend With Showers Next Week

Even though the 2020 Dry Season has been declared, it is important to note that rain and showers are still possible and are forecast, though the intensity and duration of rainfall will be notably reduced.

Now that that’s out of the way, a surface to low-level trough is forecast to make its way across the Southern Windwards, bringing mostly cloudy to overcast skies and periods of light to moderate showers and rain beginning on Friday, lingering through the first half of Saturday.

There are no alerts, watches or warnings in effect for Trinidad and Tobago as of 9:00 AM Friday 24th January 2020.

Note that heavy showers will be short-lived due to strong wind shear across the region, between 40-50 knots at times in some areas. This will impact the development of deep convection by tearing away the tops of the convection.

The Extended Weather Forecast

Friday: After an initially sunny morning across Trinidad and Tobago, increasing cloudiness with intermittent light to moderate showers and periods of rain (more prolonged than showers) are forecast throughout the day into the night. Across Southern Trinidad, partly to mostly cloudy skies are possible, with intermittent activity.

Saturday: Through the mid-afternoon (3 PM), partly to mostly cloudy skies are forecast across both islands, with isolated to scattered showers and intermittent light to moderate rain, favoring the Northern and Eastern halves of Trinidad and Tobago. Conditions are forecast to become mostly settled by the late afternoon with partly cloudy skies, becoming clear by nightfall. This will lead to a cold night across both islands, particularly areas where there is minimal to no cloud cover.

Sunday: As a surface to low-level ridge builds, winds are forecast to pick up slightly, with mostly sunny to partly cloudy skies. Lingering, weak instability is forecast, with brisk, isolated showers possible across both islands. Another cool night is forecast.

Monday: An approaching surface to low-level trough is forecast to begin affecting Trinidad and Tobago during the latter half of the day. Isolated to scattered showers are possible, interrupting partly to mostly cloudy skies. Showers may linger into the night, interrupting partly cloudy skies.

Tuesday: Mostly cloudy to overcast skies are forecast, with intermittent showers and periods of rain, generally remaining light to moderate. Conditions are forecast to become settled by the late evening across both islands.

Seas Forecast

Generally, through the next 7 days, slight to moderate seas are forecast in open waters with waves between 1.5 to 2.0 meters in open waters and below 1.0 meter to near calm in sheltered areas.

Note that by mid-next week, a brief, long-period swell event is forecast to affect Northern coasts of Trinidad and Tobago though the overall sea state will not be rough.

Winds: Sustained surface winds between 20 KM/H and 30 KM/H with gusts up to 45 KM/H are likely, accompanying heavier showers across Trinidad and Tobago.

High Wind Event Precautions
High Wind Event Precautions

Rainfall: On days where a trough system is affecting T&T, daily rainfall totals are forecast less than 10 millimeters, with isolated totals across Eastern Trinidad up to 15 millimeters, while less than 5 millimeters elsewhere.

There is a very low chance of street flooding, particularly in flood-prone areas or areas with poor drainage, is possible as well as flash flooding in areas where heavy rainfall may occur.

Why I May Not/Will Not See Constant Rainfall?

A frequent complaint is the forecast is wrong because I didn’t experience any rainfall. Scattered showers mean that you, individually, may experience some showers intermittently throughout the day and there is a higher chance for this activity than isolated activity. Widespread showers mean that nearly all persons and areas may experience rainfall.

This week, isolated to scattered activity is forecast.

Forecast - Isolated, Scattered, Widespread - What do they mean?

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