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Thursday, March 28, 2024

Triple-Digit Heat Dome Bakes Pacific Northwest, Triggers First Blackout

Courtesy of ZeroHedge View original post here.

The Pacific Northwest is experiencing a multi-day heat wave that we said last week would be “historic.” The unrelenting triple-digit temperatures shattered records across the region and have stressed out power grids where rolling blackouts have been reported. 

Bloomberg reports Avista Corporation, which supplies electricity to 340,000 residential, commercial, and industrial customers, triggered its first rolling blackout across its grid after it became overloaded Monday evening. Rotating outages first hit 9,300 customers late Monday and could expand as temperatures remain well above average through July 4. 

Avista was the first major utility to report rolling blackouts in the Northwest region, and with positive temperature anomalies to linger through the week, it may not be the last. 

Avista has never “experienced this kind of demand on our system and this kind of impact to our system,” Heather Rosentrater, senior vice president of energy delivery at the utility company, told reporters during a press conference Monday. She called the weather event “very unprecedented.” 

As we noted last Friday, “a “historic” heat wave was set to transform the Pacific Northwest into a furnace this weekend. It has the potential to shatter long-standing temperature records.” And that is precisely what it did. 

Major metros, such as Portland and Seattle, broke record highs by huge margins as positive temperature anomalies reached between 30 to 40 degrees. 

Portland hit 116 degrees by Monday afternoon, the highest temperature in more than eight decades of record-keeping. It was the third day of triple-digit temps. 

Seattle recorded 108 degrees Monday afternoon, easily surpassing its previous 103-degree record from 2009. Positive temperature anomalies for the city yesterday were 34 degrees, usually temps average around 74 degrees. 

The Pacific Northwest is a region where many people lack central air conditioning and experiencing multiple days of triple-digit weather is hazardous for health. 

Bob Oravec, a senior branch forecaster with the U.S. Weather Prediction Center in College, said it’s unheard of to have temperatures in Portland and Seattle hovering in triple-digit territory. “That just doesn’t occur.”

“Tuesday will likely be the hottest day in recorded history for many sites across the Inland Northwest,” the National Weather Service in Spokane warned. 

… and, of course, higher temperatures always indicate increased power demand and skyrocketing prices. 

Electricity prices at a Pacific Northwest jumped 435% to $334.22 a megawatt-hour on Monday. 

So with sizzling temperatures forecasted for Tuesday, rolling blackouts might expand as power grids in the region are stretched. 

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