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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.
In recent decades, new high temperature records have substantially outpaced new low temperature records on a growing portion of Earth's surface. [1] Comparison shows seasonal variability for record increases. The list of weather records includes the most extreme occurrences of weather phenomena for various categories. Many weather records are ...
If two dates have the same temperature record (e.g. record low of 40 °F or 4.4 °C in 1911 in Aibonito and 1966 in San Sebastian in Puerto Rico), only the most recent date is shown. Extreme temperatures for each U.S. state and territory
[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 ...
(Bankrate extreme weather survey) What is extreme weather? Extreme weather is a meteorological term describing a weather event that is rare at a specific place or time of year, including severe or ...
Maximum temperature map of the United States from 1871-1888 Minimum temperature map of the United States from 1871-1888.. For the United States, the extremes are 134 °F (56.7 °C) in Death Valley, California in 1913 and −79.8 °F (−62.1 °C) recorded in Prospect Creek, Alaska in 1971.
The global temperature averaged over the past year is more than 1.5 degrees Celsius ... scientists say extreme temperature records would not be broken nearly as frequently as in recent years.
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.