Temperatures in the Pacific Northwest are forecast to be highest of summer is not predicted drop untill weekend. In Seattle and Portland it’s heat wave can approach records for longevity. Both cities are under excessive heat warning until Thursday evening. Seattle may see mercury hit 90 on four days in a row until Friday, while in Portland daytime temperatures can hover around 100.
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The National Weather Service released heat alerts for millions of people on On Tuesday, when the Biden administration introduced Heat.gov, ” new website provide public as well as decision-creators with clear in time and science-based on information understand and reduce health risks of extreme heat”.
heat wave in Pacific Northwest a bit over a year after breaking all the records in Seattle and Portland with high temperatures of 108 and 116 degrees respectively. the same event installed record high in Canada, where Lytton, British Columbia, soared to 121 degrees. The city burned to the ground next day.
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Forecasters in Seattle and Portland stressed it’s years heat wave, although not as intense as last yearremarkable for its durability.
“Really remarkable is the duration for this is event,” said Colby Neumann, meteorologist for the National Weather Service. in Portland. “The most consistent days of 95 degrees in Portland on record is six and we will definitely be in running to get close, tie or surpass it record. next in a few days we will be about 100.”
Portland International Airport hit 98.6 degrees on Monday and after predicted high of 101 degrees on Tuesday, city it should be in upper 90s until Friday. Saturday’s forecast high is 95 degrees. Currently city is predicted to tie record.
“When we see the highs up about 100, hospital visits with heat comorbidities are certainly many higher than background levels,” Neumann said. “As well as with covid still exists there is capacity limit of hospitals and these events make it worse.”
Access to air conditioning is a complicating factor that enhances risk in vulnerable populations such as the elderly and the homeless. In Portland, 78 percent of households have air conditioning, but that number drops to 44 percent in Seattle.
Seattle made on Monday to 85 degrees – the average high this time of year is 79 degrees – but every day until Friday should peak in or just above 90 degrees. Heat waves defined as intervals of three days in a row of 90 degrees or more, somewhat rare in Seattle; it would be only the 24th since World War II. Half of those heat waves happened in in past 15 years stressing role of human-caused changing of the climate in eye-catching heat events more frequent and intense.
Officially record longest duration for a heat wave in Seattle Five Days That Happened in both in 2015 and 1981.
“Take extra precautions if you work or spend time outside”, Weather Service in Seattle said. “When possible transfer strenuous activity to early morning or evening.
The agency drew attention to the actions of Washington. public a business telephone hotline, available on 2-1-1, which can provide callers with with information about cooling shelters and other services.
Of particular concern are elevated temperatures at night, which leave living quarters without heat. air- The air conditioner is uncomfortably warm. Temperature in Seattle went down for a while below 70 Tuesday morning.
In Portland, Tuesday’s minimum temperature was 69 degrees.
“There are most of in population here it is not air air conditioning,” Neumann said. “AT past, people will rely on opening up them windows to cool off their residences. This time they can’t.”
Through the end of week, the most extreme heat is set to occur Thursday and Friday in eastern Washington, where maximum temperatures can reach 110 degrees, especially in lowlands of Columbia River basin.
Kennewick, Washington, about 50 miles east-southeast. of Yakima, maybe climb up to 112 degrees on Thursday and 110 on Friday. Actually Yakima will flirt with 110 degrees on Thursday ahead of relative weakness to 108 on Friday and 105 for Saturday.
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Temperature in 100 to 110 degrees range will be common in inland and northern Oregon. Medford tied record high of 107 degrees on Monday bye Dallesport, Washington on borders with Oregon, soared up record- bundle 108.
heat comes from the spine of high blood pressure orheat dome” which is parked in pacific northeast west of British Columbia. It deflects the jet stream north to Canada along with any rainy weather and storminess. Instead of this weather in The Pacific Northwest is characterized clear heaven and hot, sinking air.
Jason Samenow contributed to this report.