| dbo:abstract |
The November 2014 North American cold wave was an extreme weather event that occurred across most of Canada and the contiguous United States, including parts of the Western United States up to western California. One of the first events of the winter, the cold wave was caused by the northward movement of an extremely powerful bomb cyclone associated with Typhoon Nuri's remnant, which shifted the jet stream far northward, creating an omega block pattern. This allowed a piece of the polar vortex to advance southward into the Central and Eastern United States, bringing record-cold temperatures to much of the region. In contrast, Alaska experienced above-average temperatures. This was the worst cold wave that the North American region had experienced since an earlier cold wave in early 2014. The cold wave was expected to last for a few weeks, extending at least until American Thanksgiving. Although the Omega Block broke down on November 20, due to a powerful storm moving into the Gulf of Alaska, frigid conditions continued to persist across much of the United States. There was also concern among some meteorologists that another cold wave or abnormally cold trend might persist throughout the winter of 2014–15, the chances of which were "above average." On November 23, a warming trend primarily in the Eastern United States brought an end to the cold wave; however, below-average temperatures were forecast to return to the Midwest by November 24. Despite the development of a second cold wave, it ended on December 6, when a ridge of high pressure brought above-average temperatures to the region, especially in the Central United States. (en) В ноябре 2014 года в Северной Америке прошли экстремальные заморозки и осадки в результате прохождения тайфуна Nuri, образовавшего омега-блок и снежного эффекта Великих озёр. Снежная погода наблюдалась на территории Канады, восточной части США и некоторых штатов западной части США и части северных регионов Мексики. Данная волна холода была самой тяжелой в регионе после январских морозов 2014 года. Ухудшение погоды сохранится на несколько недель, предположительно до дня благодарения. Экстремальные погодные явления наблюдаются с 8 ноября 2014 года. (ru) |
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dbr:Canada dbr:Contiguous_United_States Northern Mexico (en) |
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0001-11-17 (xsd:gMonthDay) |
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2014-11-23 (xsd:date) |
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0001-11-14 (xsd:gMonthDay) |
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November 2014 North American cold wave (en) |
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the 2014–15 North American winter (en) |
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(en) 920.0 (dbd:hectopascal) |
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At least 30 (en) |
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dbc:Natural_disasters_in_New_York_(state) dbc:Cold_waves_in_Canada dbc:Cold_waves_in_the_United_States dbc:2014_disasters_in_Canada dbc:2014_natural_disasters dbc:2014_natural_disasters_in_the_United_States dbc:Natural_disasters_in_Wyoming dbc:2014–15_North_American_winter dbc:November_2014_events_in_North_America dbc:Climate_change_controversies |
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dbr:Event |
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owl:Thing dbo:SportsEvent |
| rdfs:comment |
В ноябре 2014 года в Северной Америке прошли экстремальные заморозки и осадки в результате прохождения тайфуна Nuri, образовавшего омега-блок и снежного эффекта Великих озёр. Снежная погода наблюдалась на территории Канады, восточной части США и некоторых штатов западной части США и части северных регионов Мексики. Данная волна холода была самой тяжелой в регионе после январских морозов 2014 года. Ухудшение погоды сохранится на несколько недель, предположительно до дня благодарения. Экстремальные погодные явления наблюдаются с 8 ноября 2014 года. (ru) The November 2014 North American cold wave was an extreme weather event that occurred across most of Canada and the contiguous United States, including parts of the Western United States up to western California. One of the first events of the winter, the cold wave was caused by the northward movement of an extremely powerful bomb cyclone associated with Typhoon Nuri's remnant, which shifted the jet stream far northward, creating an omega block pattern. This allowed a piece of the polar vortex to advance southward into the Central and Eastern United States, bringing record-cold temperatures to much of the region. In contrast, Alaska experienced above-average temperatures. (en) |
| rdfs:label |
November 2014 North American cold wave (en) Морозы в ноябре 2014 года в Северной Америке (ru) |
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dbr:2014_North_American_winter_storm dbr:November_13–21 |
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