Isolated to Scattered Showers, Thunderstorms to Interrupt Sunny Skies Across T&T. Street Flooding Possible.

Weather Forecast (Next 24 Hours)

As of 10:30 AM Monday 29th July 2019, mostly clear to partly cloudy skies are occurring across the Western half of Trinidad and all of Tobago. Scattered showers have developed across the Eastern half of Trinidad, and southeast of Trinidad. These showers are forecast to spread across the remainder of Trinidad throughout the late morning and afternoon. An increase in cloudiness is forecast later this evening as Tropical Wave 30 approaches the region, with isolated showers.

As the axis of Tropical Wave 29 moves west of Trinidad and Tobago, light winds are present across the islands. Light winds, in combination with increased atmospheric moisture, have created favorable conditions for daytime heating to trigger heavy showers and isolated thunderstorms. Across the Leewards, much welcome rainfall has been occurring with showers and thunderstorms moving across the region for the last 36 hours.

Tropical Wave 29 is now west of the Eastern Caribean. Light winds influenced by this wave is allowing isolated to scattered showers and thunderstorms to develop across Trinidad. Street flooding possible in heavier showers and/or thunderstorms. Credit: Weathernerds.org
Tropical Wave 29 is now west of the Eastern Caribean. Light winds influenced by this wave is allowing isolated to scattered showers and thunderstorms to develop across Trinidad. Street flooding possible in heavier showers and/or thunderstorms. Credit: Weathernerds.org

Favorable conditions are in place for isolated to scattered showers and the isolated thunderstorm to develop. Light winds combined with daytime heating and sea breeze convergence is forecast to trigger showers and thunderstorms, mainly across Western coastal Trinidad, interior Central Trinidad and along the Northern Range, as winds move showers and thunderstorms generally north to northwest.

We’re already seeing this occurring with isolated heavy showers developing across Western Coastal Trinidad and the Eastern half of the island, spreading across the remainder of Trinidad.

This activity is forecast to persist into the late afternoon, with increasing cloudiness as Tropical Wave 30 approaches the region. Isolated showers are forecast overnight, interrupting partly cloudy skies.

10:30 AM Monday 29th July 2019 Radar Update: Isolated showers to scattered showers are occurring across Trinidad presently. Image: Trinidad and Tobago Meteorological Service
10:30 AM Monday 29th July 2019 Radar Update: Isolated showers to scattered showers are occurring across Trinidad presently. Image: Trinidad and Tobago Meteorological Service

Winds are generally forecast between 15-25 KM/H by the late afternoon, with gusts up to 50 KM/H at times. Saharan dust is minimal to negligible across Trinidad and Tobago.

Street/flash flooding is possible as these showers are fairly slow-moving. Gusty winds may occur in the vicinity or during heavy showers and/or thunderstorms. Landslides may occur in landslide-prone areas.

Temperatures

Last night’s minimum temperatures were a chilly 22.9°C at Piarco, Trinidad, and 24.7°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.

Today’s maximum high temperatures across T&T is forecast to be near 33°C in localized areas across Trinidad and 32°C at Crown Point, Tobago. Heat indices may top at 37°C across Trinidad and 34°C across 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 next day or so. Waves in open waters are forecast between 1.5 to 2.0 meters, particularly East of Trinidad and Tobago. In sheltered areas, seas to remain near calm through the weekend with winds at 10 knots from the south to southeast.

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