A cold front is a boundary zone where a cold air mass advances into and undercuts a warmer air mass, typically producing a sharp temperature decrease, wind shift, and often precipitation along or ahead of the frontal surface.
Climate change refers to the long-term alteration of global and regional climate patterns, primarily driven by human activities that increase greenhouse gases in the atmosphere. These gases trap heat, raising the average global temperature. While it may seem counterintuitive, climate change is a primary driver behind both record-breaking heat and the sudden, extreme cold waves currently impacting regions like Florida. Florida has also been experiencing an An Arctic outbreak which is a short-lived weather phenomenon in which extremely cold, dense air originating in the high Arctic is displaced southward.
Scientists attribute this “weather whiplash” to the destabilization of the polar vortex, a massive area of cold air and low pressure traditionally confined to the Arctic by the jet stream. As the Center for Disaster Philanthropy notes, “Climate change is directly responsible for extreme cold events in moderate latitudes… warming temperatures are disrupting the polar vortex and pushing extensive cold air into non-traditional areas such as the Caribbean.
This phenomenon is vividly on display in February 2026, as Florida faces historic freezes that have shattered decades-old records, with temperatures in cities like Fort Pierce dropping to -5°C (23°F). Climate change does not just mean “global warming,” but rather a fundamental shift toward more frequent and severe atmospheric volatility.
Jamaica and the Caribbean
Since the start of 2026, Jamaica has been affected by a series of cold fronts and associated cool weather systems, as reported by Meteorological Service of Jamaica. Significantly cooler temperatures have been recorded on the island, with overnight lows ranging from approximately 12°C to 21°C, particularly in higher elevations and rural areas.
Cold fronts that affect the Caribbean typically originate over the North American continent during the Northern Hemisphere winter, where cold, dense air masses form and are propelled southward by strong high-pressure systems. These air masses often develop over the interior and southwestern regions of the United States, before advancing southeastward across the Gulf of Mexico and into the Caribbean basin.
Despite the relatively cool conditions at the start of 2026, Jamaica is expected to experience extremely hot and humid summer temperatures this year. Global climate projections indicate that temperatures will remain at or near record levels over the next five years (2026 – 2030), increasing climate-related risks and impacts on societies, economies, and sustainable development, according to a recent report from the World Meteorological Organization (WMO). As the climate crisis persists, we can expect more frequent and intense temperature extremes, prolonged heat during summer months and harsher cold during winter months, particularly in regions with traditionally colder and more temperate climates.
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