Forecast: More Isolated Showers Forecast Overnight, Interrupting Partly Cloudy Skies.

Weather Forecast (Next 24 Hours)

As of 5:00 PM Friday 3rd May 2019, isolated showers continue to move across mainly Trinidad, with heavy pockets remaining across Eastern and Southern Trinidad. Locally, but brief, heavy rainfall and gusty winds are forecast. Heavier showers are likely to favour Eastern Trinidad. Across Tobago, partly cloudy skies and breezy conditions are occurring but isolated showers and increasing cloudiness are likely over the next several hours. Gusty winds up to 50 KM/H are possible, particularly in the vicinity of showers. Over the last 48 hours, several areas across T&T recorded gusts between 40-50 KM/H.

Maximum Sustained Winds and Wind Gusts Across Trinidad and Tobago over the last 3 days.
Maximum Sustained Winds and Wind Gusts Across Trinidad and Tobago over the last 3 days.
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A welcome cool and wet day were experienced across Trinidad today, with several areas picking up some much-needed rainfall. Several areas received up to 15 millimeters of rain, with isolated areas across Southern and Eastern Trinidad picking up some higher amounts.

Through this evening and tonight, isolated showers are to continue across Trinidad, spreading across Tobago as the evening progresses. These showers are due to trade winds converging along two shearlines.

Gusty winds are likely in the vicinity of showery activity, up to 50 KM/H. These conditions are forecast to persist through the evening and into tomorrow. A few isolated heavy pockets may occur across parts of Eastern Trinidad, and accompanied by gusty winds.

Generally gentle to fresh breeze is forecast (12-38 KM/H) for Friday mainly from the east. However, wind gusts in the range of strong to high wind are possible (39-61 KM/H) across Trinidad and Tobago in the vicinity of showers.

Beauford Wind Scale Land Impacts
Beauford Wind Scale Land Impacts

With wind gusts up to 60 KM/H, whole trees are expected to be in motion and there may be some inconvenience when walking against the wind gusts. Light outdoor objects may topple or become airborne such as garbage cans, loose galvanize or construction material and other outdoor furniture. Tents may jump.

High Wind Precautions
High Wind Precautions

Winds are forecast to lessen as the weekend progresses.

Looking towards the remainder of Saturday and Sunday, an increase in Saharan Dust is forecast. Though isolated showers are forecast to continue over the weekend, coverage across the island is forecast to be limited. Most showers will favour Eastern Trinidad lesser so Eastern Tobago and weaken as it moves westward. These showers will interrupt partly cloudy to sunny and hazy skies across both islands.

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Temperatures

Last night’s minimum temperatures were 24.7°C at Piarco, Trinidad and 25.8°C at Crown Point, Tobago. Tonight’s minimum temperatures are forecast to be near 25°C at Piarco, Trinidad and 26°C at Crown Point, Tobago. Similar low temperatures are forecast for Sunday.

Today’s maximum high temperatures across T&T was 31.6°C at Piarco, Trinidad and 30.8°C at Crown Point, Tobago. Over the weekend, maximum high temperatures are forecast to be near 33°C at Piarco, Trinidad and 31°C at Crown Point, Tobago. Heat indices may top at 35-37°C at Piarco, Trinidad and 32-35°C at Crown Point, Tobago. The heat index is an index that combines air temperature and relative humidity, generating a “feel’s like” temperature.

Seas

Seas are forecast to remain moderate in open waters through the week. Waves in open waters are forecast to between 1.5 and 2.0 meters, occasionally up to 2.5 meters, particularly East of Trinidad and Tobago over the next 24 hours. In sheltered areas, seas are forecast to remain smooth, below 1.0 meters. Winds will be from the east through the next 5 days at 15-20 knots from the east.

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Mild Saharan Dust Lingering Through The Week, Surge of Dust Forecast This Weekend

Saharan Dust concentrations remain minimal to mild across Trinidad and Tobago on Friday. A plume of Saharan Dust is forecast to arrive across Trinidad, Tobago and the Southern Windwards later tonight (May 3rd) into Saturday (May 4th). Mild to moderate concentrations are forecast to linger for at least the next two weeks. A moderate to heavy plume is forecast to arrive across T&T by the second week of May. Read more in the full forecast below.

Tropical Weather Outlook

At 9:40 AM, the US NWS National Hurricane Center issued a Special Tropical Weather Outlook concerning a trough of low pressure over Northwestern Florida, and the far western Atlantic. This trough of low pressure has low chances of tropical development near 10%, over the next 48 hours, and low chances of development over the next 5 days, at 10%. Read the full tropical outlook below.

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