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According to the Trinidad and Tobago Meteorological Service (TTMS), a developing low pressure area, and associated frontal system to the Northeast of the Lesser Antilles, will continue to produce perturbations (troughs) across the Leeward Islands. This is expected to bring some partly cloudy to cloudy periods with light or moderate showers in varying areas, and the chance of an isolated heavy shower or thunderstorm over the Leeward Islands, during this outlook period — Tuesday 16th to Saturday 20th April, 2024.
Although Trinidad and Tobago and the Windward Islands will be in a generally ridging pattern, during Tuesday (16th April, 2024) into Thursday (18th April, 2024), low-level convergence and patches of moisture advection, together with interactions with local topographies and daytime land heating, are likely to interrupt 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, favouring hilly areas. From Friday (19th April, 2024) to Saturday (20th April, 2024), the effects of a trough, being influenced by a low pressure area to the Northeast of the Lesser Antilles, will extend Southward into Trinidad and Tobago and the Windward Islands. This will cause increased surface convergence and equatorial moisture build-up across Trinidad and Tobago and the Windwards. With some assistance of divergence in the upper atmosphere for deep convective activity to develop, partly cloudy to cloudy periods, producing light to moderate showers in varying areas, and isolated heavy showers or thunderstorms, are likely during this time. On Friday (19th April, 2024), for Trinidad and Tobago, the Met Office says we should be on the lookout for a heavy shower or isolated thunderstorm favouring offshore Southeast Trinidad, 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 around Trinidad and Tobago, with a 30% to 40% chance for the development of isolated thunderstorms. In the event of a heavy shower or thunderstorm, winds can become gusty and street or flash flooding is likely in the vicinity.
The surface to mid-level (approx. 6,000 ft) synoptic wind-field across Trinidad and Tobago and the Windward Islands, is expected to show an increase in speed during this outlook period. Breezy to, at times windy conditions are likely, especially in elevated areas or in the vicinity of any shower which might occur. Although this would provide some ventilation, the maximum daytime temperatures can still get up into the mid-thirties of degrees Celsius on the days without much cloud coverage.
Mild to moderate concentrations of Saharan dust are presently in the atmosphere. From Wednesday (17th April, 2024) Saharan dust concentration in the atmosphere is expected to increase to moderate to high at times for the 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 are likely to continue to contribute to the reduction in air quality at times. Sensitive persons are still advised to take precautions as necessary. Due to the expected increase in wind speeds across the equatorial waters to the East of Trinidad and Tobago and the lesser Antilles, and in the vicinity of showers, the seas can become choppy at times with a likely increase in wave heights in open waters. 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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