Across Europe and parts of Asia, unusually high-temperatures in the late-winter period were reported from February 20 until February 28, 2021. The onset of the short-lasting winter heat wave was cause
A Sentinel-3 satellite image shows true colour (left) and land temperature (right) on February 24, 2021
Heat wave
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A heat wave or heatwave, sometimes described as extreme heat, is a period of abnormally hot weather that lasts for multiple days. A heat wave is usually measured relative to the usual climate in the a
A high pressure system in the upper atmosphere traps heat near the ground, forming a heat wave (for North America in this example)
Scorched grass in Greenwich Park, London, England, during a heatwave in August 2022.
Heat stroke treatment at Baton Rouge during the 2016 Louisiana floods
The National Weather Service risk categories for NWS HeatRisk