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The main types of extreme weather include heat waves, cold waves and heavy precipitation or storm events, such as tropical cyclones. The effects of extreme weather events are economic costs, human casualties, droughts, floods, landslides. Severe weather is a particular type of extreme weather which poses risks to life and property.
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 ...
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
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.
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.
[1] [17] Modern weather historians such as Christopher C. Burt and William Taylor Reid have also claimed that the 1913 Death Valley reading is "a myth", and is at least 2.2 to 2.8 °C (4 to 5 °F) too high. [18] [19] The WMO has come out in support of the current record stating that "We accept that Death Valley temperature extreme record. If ...
The extreme weather produced by El Niño in 1876–77 gave rise to the most deadly famines of the 19th century. [252] The 1876 famine alone in northern China killed up to 13 million people. [253] The phenomenon had long been of interest because of its effects on the guano industry and other enterprises that depend on biological productivity of ...
The January 2025 North American cold wave was an extreme weather event that brought extremely cold temperatures to a majority of the Lower 48 of the continental United States, as well as the countries of Canada and Mexico as well throughout most of January 2025. It was the coldest January in much of the continent, especially the U.S., in at ...