According to the Trinidad and Tobago Meteorological Service (TTMS), a passing frontal system to the North of the Lesser Antilles will continue to produce a perturbation (trough) and low-level convergence across the Leeward Islands for this outlook period (Thursday 18th to Monday 22nd April, 2024). This is expected to bring some partly cloudy to cloudy periods, interrupting some sunshine, with light or moderate showers in varying areas, and the chance for isolated heavy showers or thunderstorms.
Mostly ridging and fair weather for Trinidad and Tobago and the Windward Islands on Thursday (18th April, 2024), but with some low-level convergence and patches of moisture advection, together with interactions with the local topographies and daytime land heating, there are likely to be interruptions to the sunshine at times, to produce a few light or moderate showers over varying areas. There is also a chance for an isolated heavy shower to develop, favoring Tobago, Northeast Trinidad, Western Trinidad and hilly areas. From Friday (19th April, 2024) to Saturday (20th April, 2024), an induced trough, being influenced by a low pressure area and frontal system to the North-Northeast of the Lesser Antilles, will move across Trinidad and Tobago and the Lesser Antilles. This is expected to cause increased surface convergence and equatorial moisture build-up over Trinidad and Tobago and the Windwards, producing partly cloudy to cloudy periods, interrupting some sunshine, with light to moderate showers in varying areas. With assistance of a divergent flow in the upper atmosphere for deep convective activity to develop, there are enhanced probabilities for the development of isolated heavy showers or thunderstorms, during this time. On Friday (19th April, 2024), with low-level convergence and moisture moving across Trinidad and Tobago from the Southeast to East, we can lookout for a heavy shower or isolated thunderstorm (30% to 40% chance), favoring offshore Southeast Trinidad, South and Western Trinidad, and hilly areas, mainly during the late morning to afternoon. On Saturday (20th April, 2024), from the pre-dawn hours into the afternoon, there is likely to be a few moderate or heavy showers in varying areas, with a 30% to 40% chance for the development of isolated thunderstorms. Estimated accumulations of precipitation over the two (2) days (Friday and Saturday) range between 15mm to 25mm, where the heavier showers develop. In the event of a heavy shower or thunderstorm, winds can become gusty and street or flash flooding is likely in the vicinity. Analysis of the near-surface to mid-level (approx. 8,000 ft) synoptic wind-field across Trinidad and Tobago is showing intermittent increases in speed during this outlook period. Breezy to windy conditions are possible at times, especially in elevated areas or in the vicinity of any shower which might occur. Saharan dust concentration in the atmosphere is mostly moderate at present. However, from Saturday (20th April 2024), Saharan dust concentration in the atmosphere is expected to increase to high for the remainder of this outlook period. The Met Office notes that we are still in the Dry Season, and on the drier days, the probability for bush and brush fires, together with the possibility for landfill and forest fires, remain elevated, and together with the Saharan dust, these will contribute to the reduction in air quality at times. Sensitive persons are advised to take precautions as necessary. In the vicinity of showers, the seas can become choppy at times. Always take the necessary precautions in any marine activities. Please continue to pay attention to the latest forecasts, alerts, and information issued by the TTMS. We are a small operation. If you've found our articles to be informative, please consider supporting us via PayPal or buying us a coffee. Your contribution is incredibly appreciated and goes a long way. Simply sharing our articles also helps us. Sign up for our free WhatsApp Alerts to be notified as soon as we post breaking news. NEW! Check out our Merchandise Store for high-quality t-shirts, hats and more!
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