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Extreme weather includes unexpected, unusual, severe, or unseasonal weather; weather at the extremes of the historical distribution—the range that has been seen in the past. [ 1 ] [ 2 ] [ 3 ] Extreme events are based on a location's recorded weather history.
Severe weather can occur under a variety of situations, but three characteristics are generally needed: a temperature or moisture boundary, moisture, and (in the event of severe, precipitation-based events) instability in the atmosphere.
Severe weather is one type of extreme weather, which includes unexpected, unusual, severe, or unseasonal weather and is by definition rare for that location or time of the year. [5] Due to the effects of climate change, the frequency and intensity of some of the extreme weather events are increasing, for example, heatwaves and droughts. [6]: 9
Christopher C. Burt, a weather historian writing for Weather Underground, believes that the 1913 Death Valley reading is "a myth", and is at least 2.2 or 2.8 °C (4 or 5 °F) too high. [13] Burt proposes that the highest reliably recorded temperature on Earth could still be at Death Valley, but is instead 54.0 °C (129.2 °F) recorded on 30 ...
Pages for logged out editors learn more. Contributions; Talk; Extreme weather events
Nanshi 南史 "History of the South" describes "a yellow ash-like substance from the sky". Further phenomena were reported by independent contemporary sources: Low temperatures, even snow during the summer (snow reportedly fell in August in China, which caused the harvest there to be delayed). [14] Widespread crop failures. [15]
Extreme warm records were broken in the western half of the United States and extreme cold records were broken in the eastern half. In addition to the extreme cold wave at its most brutal in the Great Lakes, Mid-Atlantic, and New England, snowfall was reported as far south as Tupelo, Mississippi; Huntsville, Alabama; and Shreveport, Louisiana ...
Extreme weather events affect public health, and food and water security. [239] [240] [241] Temperature extremes lead to increased illness and death. [239] [240] Climate change increases the intensity and frequency of extreme weather events. [240] [241] It can affect transmission of infectious diseases, such as dengue fever and malaria.