The excessive heat levels are a result of a “heat dome,” which happens when high atmospheric pressures interact with cold winds coming from the Pacific Ocean and create a “dome,” which traps heat under it.Īccording to The Washington Post, this specific heat dome is so strong that it statistically occurs only once every several thousand years. Officials even delayed the Olympic trials in Eugene, Oregon, for several hours Sunday, citing health concerns for the athletes and spectators. Though heat-related deaths are rare, the soaring temperatures pose health risks, prompting cities like Portland and Seattle to open public cooling centers, where they offer food, water and air conditioning. ![]() Heat kills more Americans in an average year than any other weather event, though it rarely receives the same amount of attention as more visibly destructive natural disasters such as hurricanes or tornadoes. Numerous other records broke on Sunday in Washington, Oregon and California, including the record for the highest temperature ever recorded during the month of June in Washington state.Īccording to heat alerts published by the National Weather Service, the extreme temperatures “significantly increase the potential for heat-related illnesses,” such as heat stroke and in some cases, death.Ī man visiting California died last week after spending an hour in the sun, during which he reached an internal body temperature of nearly 41 C (105.8). Portland and Seattle rank among the three least air-conditioned cities in the nation, according to a study by The Seattle Times, compounding the impacts of the heat wave for residents. Seattle’s temperature rose to a record of 40 C (104 F) on Sunday. The two cities broke all-time heat records over the weekend, as Portland reached 44 C (111 F) on Sunday, setting a new record from the day before when the mercury climbed to 42 C (108 F). ![]() Temperatures are expected to fall starting Tuesday with highs in the low 90s. Seattle, Washington, a city known for its normally cool and rainy climate, also broke records: 41.6 C (107 F) at the National Weather Service Seattle station and 41 C (106 F) at Seattle-Tacoma International Airport. ![]() and Canada during a heatwave that the National Weather Service called historic and dangerous. In June 2021, all-time temperature records fell in multiple cities in the U.S. Portland, Oregon, hit 46 Celsius (115 Fahrenheit), an all-time high, by late afternoon. Extraordinary heat events occur around the planet during most summers, but the current heatwave in the Pacific Northwest is truly exceptional. Wenatchee, Washington was not ready to handle mind-boggling 145 degrees Fahrenheit. Pacific Northwest baked under record-breaking temperatures again Monday as the region endures a dangerous heat wave that has placed at least portions of six states under excessive heat warnings from the National Weather Service. Urgency in this week’s preparations are fueled in part by last year’s deadly Pacific Northwest heat wave.
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