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A high pressure system in the upper atmosphere traps heat near the ground, forming a heat wave (for North America in this example). A heat wave or heatwave, sometimes described as extreme heat, is a period of abnormally hot weather [1]: 2911 generally considered to be at least five consecutive days.
1972 – heat waves of 1972 in New York and Northeastern United States were significant. Almost 900 people died; the heat conditions lasted almost 16 days, aggravated by very high humidity levels. 1976 – 1976 United Kingdom heat wave was one of the hottest in living memory, with temperatures exceeding 32 °C (90 °F) somewhere in the country ...
Beginning in March 2024, severe heat waves impacted Mexico, the Southern and Western United States, and Central America, leading to dozens of broken temperature records, [1] mass deaths of animals from several threatened species, water shortages requiring rationing, [2] increased forest fires, and over 155 deaths in Mexico with 2,567 people suffering from heat-related ailments. [3]
A number of heat waves began across parts of the northern hemisphere in April 2023, many of which are ongoing. Various heat records have been broken, [1] with July being the hottest month ever recorded. [2] Scientists have attributed the heat waves to man-made climate change. [1] [2] Another cause is the El Niño phenomena which began to ...
The heatwave ended on 18 June, as temperatures fell by an average of 10–15 °C (18–27 °F). A "huge cluster" of thunderstorms moved across the UK, prompting the Met Office to issue a yellow warning for lightning for Southern England (lightning warnings had only been issued on three previous occasions).
The European Union's Copernicus and the World Meteorological Organization reported in April 2024 that Europe was Earth's most rapidly warming continent, with temperatures rising at a rate twice as high as the global average rate, and that Europe's 5-year average temperatures were 2.3 °C higher relative to pre-industrial temperatures compared to 1.3 °C for the rest of the world.
The 2021 Western North America heat wave was an extreme heat wave that affected much of Western North America from late June through mid-July 2021. [5] The heat wave affected Northern California, Idaho, Western Nevada, Oregon, and Washington in the United States, as well as British Columbia, and in its latter phase, Alberta, Manitoba, the Northwest Territories, Saskatchewan, and Yukon, all in ...
The most significant of which was the named heat wave, Cerberus Heatwave, which brought the hottest temperatures ever recorded in Europe. Starting on 10 July 2023, the record-breaking Cerberus anticyclone affected many European countries, with the effects felt most severely in parts of Southeast and Southwest Europe such as Cyprus , Greece ...