The Less Popular, but Potent Atmospheric Kelvin Wave Influences Enhanced Local Rains
Atmospheric Kelvin waves are not as popular as tropical waves, tropical storms, and hurricanes but they do occur and enhance extreme weather events across tropical areas, including Trinidad and Tobago. This was the case during October 2018, when the characteristics of a strong Kelvin wave passed across our region combined with the effects of a…
Climate Change and T&T
Implications of the latest IPCC Report for Trinidad and Tobago Climate Change is everywhere, accelerating, damaging, wreaking havoc, wrecking lives and livelihoods, and will increase in all regions over the coming decades. Countries like Trinidad and Tobago face a huge climate change challenge, but there is a window of opportunity that could reduce the challenge.…
The Cone of Uncertainty: Tropical Storm and Hurricane Forecasting Tool
To keep track of, and to help the public, emergency, and disaster management decision-makers understand where a tropical depression, tropical storm, or hurricane is headed, meteorologists give each of these systems a forecast track called the cone of uncertainty (CoU) or in some quarters the cone of error. The CoU is a tropical cyclone forecasting…
What to do if you find a Weather Balloon/ Radiosonde
Radiosondes are sophisticated instruments attached to weather balloons used by the Trinidad and Tobago Meteorological Service (TTMS), to obtain temperature, relative humidity, atmospheric pressure, wind speed and direction from the surface to altitudes of approximately 35 kilometers. The specially-designed balloon is filled with hydrogen to enable the radiosonde to obtain accurate profiles into the upper…
World Meteorological Day 2021: The Ocean, Our Climate and Weather
World Meteorological Day (WMD) is observed on March 23rd each year in commemoration of the establishment of the World Meteorological Organization (WMO) on March 23rd 1950. The theme for WMD 2021, “The ocean, our climate and weather” highlights the start of the UN Decade of Ocean Science for Sustainable Development (2021 to 2030) spearheaded by UNESCO’s…
TTMS Virtual 5K
The Trinidad and Tobago Meteorological Service (TTMS) held a prize distribution ceremony for its Virtual 5K 2020 on February 24th, 2021 at the TTMS Rawinsonde/Administration Building in Piarco, Trinidad. TTMS Acting Director, Ezekiel Sampson presented the top 3 male and female winners with their trophies and medals during the event. The first place went to…
Understanding LA NIÑA
A La Niña event emerged during the second half of 2020 and has since grown to be of moderate strength. This event is predicted to last through to at least April 2021. Find out more about La Niña and its impact in this blog. What is ENSO? The El Niño/Southern Oscillation (ENSO) is a naturally…
TT Met Office Recognized by WMO International Weather Apps Awards
The TT Met Office Mobile APP received international recognition at the World Meteorological Organization (WMO) International Weather Apps Awards on December 15th 2020. The App has been awarded Honorable mention – Award for apps for developing countries (Category 1- Sub-category 3). The World Meteorological Organization announced the winners of the Weather Apps Awards competition via…
Lightning! What you should know!
Over the last few months, Trinidad and Tobago has experienced lightning events as observed in the image above. This image was captured by Ice photography on Friday 11th of September 2020 from Fanny Village, Point Fortin Trinidad. Although we are often fascinated by this beautiful but dangerous weather phenomenon that illuminates the sky, how much…
Inter Tropical Convergence Zone
What it is and its role in Trinidad and Tobago’s Rainfall The Inter Tropical Convergence Zone or ITCZ as it is commonly called is one of the main climatological features of the global atmosphere. It is a zone (belt) of low atmospheric pressure that forms where the northeast trade winds meet the southeast trade winds…
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