California’s scorching heatwave may be the worst ever, but approaching hurricane threatens to inflame already raging wildfires


The western states have been sizzling for a week under triple-digit temperatures as a record-breaking heat wave dragged on to the region, with the brutal conditions expected to continue through Friday.

UCLA climate scientist Daniel Swain said in a Twitter Spaces discussion on Tuesday, “This is essentially the worst September heat wave on record, definitely in Northern California. “By some standards, given its duration and its extreme magnitude, it could be one of the worst heatwaves on record, in any period, in any month.” there is.”

Several parts of Northern California saw record highs above 110 degrees Celsius, including Sacramento, which hit an all-time high of 116 degrees Celsius on Tuesday. National Weather Service.

Jan Null, California meteorologist and owner of Golden Gate Weather Services, said:

A relentless heatwave is driving up power demand and straining California’s power grid.Although rolling blackouts were averted on Tuesday, hundreds of thousands of Pacific Gas and Electric Company Customers in California have been warned to prepare for a potential series of controlled power outages if their energy runs short.
of Independent Systems Operator in Californiamanages most of the state’s power grid, and issued On Thursday, it issued a flex alert for the ninth straight day, asking residents to set their thermostats above 78 degrees, avoid using major appliances, and turn off all non-essential lights from 3pm to 10pm. .
In neighboring Nevada, NV Energy told all customers that increased demand amid the heatwave could significantly reduce available energy supplies to Nevada from western energy markets, and electricity usage by Thursday are asked to reduce

Heat ends ‘suddenly’ as hurricane passes near Southern California

The heat was initially expected to abate on Thursday, but a rare hurricane approaching Southern California for the first time in 25 years spreads the extreme heat even further, bringing powerful winds to the already raging mountains. It can spur fires.

When Hurricane Cay Forecasted to approach the west coast of Baja California over the next two days, extreme heat, flash floods, offshore wind damage and increased fire threats will escalate across Southern California Thursday through Saturday. .

Temperatures could hit 100 degrees as far as San Diego and Orange County beaches on Friday. When the wind currents around the storm begin to interact with the mountains of Southern California, winds can reach speeds of 60 mph or more.

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Then the heat will end “suddenly and abnormally” after Friday, according to the National Weather Service in Los Angeles.

The hurricane, or more specifically its surroundings, will bring significant amounts of rain to southern Arizona and eventually to central California and Nevada, according to the Weather Forecast Center. This means residents will transition from sweltering temperatures to excessive rainfall, which can cause streams and rivers to swell rapidly and trigger flash floods in Southern California and southwestern Arizona.

“Huge amounts of rain at once are never a good thing,” the WPC wrote Wednesday morning. “This is a common feature of slow-moving tropical storms.” “Therefore, the likelihood of flash floods is also increasing rapidly.”

According to CNN meteorologists Derek Van Dam and Judson Jones, Cay should remain a hurricane until it reaches about 250 miles from San Diego, and has only had four other storms since 1950. not.

San Diego’s National Weather Service wrote Wednesday that the storm “should reach a point about 150 miles southwest of San Diego Friday night as a weakening tropical storm.”

It will be the closest passage to Southern California since Hurricane Nora in 1997.

A resident cools down with a bottle of water in the scorching heat of Sacramento, Calif., on Tuesday.

Wildfires explode as climate change makes heat waves more severe

Swain, a climate scientist at UCLA, noted that this week’s heatwave stretched from British Columbia to northern Mexico, and said the climate crisis is increasing the size of heat domes.

“Climate change has increased the frequency, intensity and duration of heatwaves and, in somewhat new evidence, the spatial extent of heatwaves,” Swain said.

Extreme heat also means fires burn hotter and longer.

numerous fires It broke out over the past week and continues to burn across multiple western states, including California. In California, a prolonged drought is creating a hotbed of dry, dense vegetation ready to fan hell.

At least four people have died in two different California wildfires, thousands displaced, homes burned and acres of land scorched in recent days.

Fairview Fire continues to be
fast moving fairview fire — burning in Southern California — swelled rapidly over arid vegetation, forcing hundreds of residents to evacuate. Flames spread and two people died. As of Wednesday night, the fire had burned 9,846 acres and was 5% contained. officials said.
in the north, Forest fire Fires in Siskiyou County charred 11,690 acres after igniting last week.
Two women, aged 66 and 73, also died in nearby Siskiyou County. MillfireCal Fire said 3,935 acres had been burned and 118 structures destroyed as of Wednesday.
of mosquito fireFires in both Eldorado and Placer counties began on Tuesday and by Wednesday night consumed 5,705 acres and forced evacuations.
There have been 6,100 wildfires in California so far this year, burning more than 245,000 acres in total, according to the report. Cal Fire.

Source: www.cnn.com

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