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According to the Trinidad and Tobago Meteorological Service (TTMS) today (Monday 30th January 2023), last night’s minimum temperature went down to a chilly 18.3°C, as recorded at Piarco, Trinidad and 21°C at Crown Point, Tobago.
The Met Office states that it is, in fact, winter in the Northern Hemisphere and low minimum temperatures in Trinidad and Tobago and the Caribbean are expected at this time of the year. The cold weather systems from the Northern temperate regions normally intrude further into the tropics and have an influence on temperatures across the Caribbean. According to the climate records at Piarco, Trinidad, the coolest minimum temperatures are normally recorded in January and February. For the 30-year climatic period from 1981, the extreme minimum temperatures on record for January is 17.7°C and for February is 17.4°C. The lowest minimum temperature on record at Piarco, is 16.1°C, which occurred on the nights of 21st January and 30th January 1964, followed by 16.4°C on the night of 28th January 1976. The Met Office notes that night-times are usually much cooler because there is no sunlight energy to balance the atmospheric heat loss, and the maximum accumulative heat loss is just before dawn. In the particular instance of cooling over the past few days, because of the interaction of an area of low pressure situated in the mid-North Atlantic, together with a cold frontal system moving from West to East, this has allowed a wind flow from the North to intrude into the North-Eastern Caribbean, bringing cooler air deeper into our area. This cooler air, together with generally clear skies, has allowed greater atmospheric cooling to take place and therefore lower night-time and pre-dawn temperatures. It is expected that by Thursday night (2nd February 2023), we can experience less chilly night-time temperatures as there is forecast to be a veering of the general wind flow to become more Easterly. During February it is still expected that relatively cooler minimum temperatures can be experienced. The TTMS said it has been alerting on its social media updates that cooler to chilly night-time to pre-dawn temperatures are expected. 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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