![]() ![]() Overall, 2021 is shaping up to be a much cooler year than 2020 however, significant regional variations still remain.Īfter a record-tying 2020, the first four months of 2021 have been marked by the cooling effects of a now-weakening La Nina pattern in the Pacific Ocean 2021 is projected to be around the 7th warmest year on record based on temperatures reported through April. ![]() ![]() However, though scientists are confident that heat waves are made more severe by global warming, an assessment of magnitude of global warming’s impact on the Pacific Northwest heatwave (or any individual heatwave) will typically take time to assess.Ĭarbon Brief has put together this article, and this interactive map explaining how climate scientists determine whether extreme weather events are related to climate change or fall within the range of expected variance.Ħ. With their simple and direct connection to ambient temperature, heat waves are the among the weather extremes with the most direct link to global warming. Yes, extreme heat events can be attributed to global warming and climate change.Ĭlimate scientists agree that heat waves and extreme heat events are becoming more likely and more extreme as a result of global warming. This is shown in this animation for daily high temperatures during summer in the contiguous United States.Īs the distribution shifts, high temperature extremes can become much more likely. Nonetheless, it is still sufficient to expect an increased incident of hot weather and more record high temperatures.Īs global warming progresses, the distribution of observed temperatures shifts higher. This rate of warming is less than the average rate of summer time warming over land. For the contiguous United States, summers have warmed about ~0.8 ☌ (1.5 ☏) over the last 50 years. Washington State | Oregon | Seattle | Portland | Vancouver | CanadaĤ. This is somewhat less than the average amount of warming on land over this time.Ĭlick the links below to navigate to each location’s dedicated data page: Many of the affected regions have warmed by about ~1.1 ☌ (2.0 ☏) since 1950. #Pacific northwest heat wave temperature downloadBerkeley Earth’s Surface Temperature data set (BEST) allows you to visualize and download recent and historic temperature trends in many of the locations affected by June’s heatwave. One way to measure a heatwave is by how much temperatures have exceeded normal conditions.īy that metric, the heatwave in the Pacific Northwest has essentially tied, or possible even exceeded, the most severe summer heatwave ever observed anywhere in North America. ![]()
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