Salt Lake City hit 104 Monday, the hottest September day on record and also the 32nd day this year with temperatures reaching at least 100 degrees, beating the previous record by 11 days. Salinas hit 103 degrees, shattering the previous record of 92 degrees set in 2004.
San Francisco airport hit 97 degrees Monday, breaking a daily record. Numerous heat records have been set across the West, according to the weather service. Greenhouse gas emissions from human activities have heated the planet by about 1.2 Celsius since preindustrial times and that warmer baseline means higher temperatures can be reached during extreme heat events, scientists say. “In some ways,” he said, “this is the new normal.” “And all the modeling is showing that we are going to see more frequent heat waves and longer heat waves,” Null said. Nine of the city’s top 10 hottest days have occurred in the 21st century, he said - a sign the climate crisis is stoking extreme heat. Jan Null, a California meteorologist and owner of Golden Gate Weather Services, pointed to San Jose, which hit 109 degrees Tuesday, breaking an all-time high temperature record. “By some metrics, it might be one of the worst heat waves on record, period, in any month, given its duration and its extreme magnitude, especially in Northern California and especially in the Sacramento region.” “This will be essentially the worst September heat wave on record, certainly in Northern California and arguably for the state overall,” Swain said. The human-caused climate crisis is amplifying extreme weather in California, climate and weather experts told CNN, pushing temperatures to unprecedented levels this month.Īnd the ongoing heat wave may, in fact, be one of the worst on record for any month, not just September, UCLA climate scientist Daniel Swain said in a Twitter Spaces discussion Tuesday. The weather service in San Diego extended the excessive heat warning for the region through Friday to account for the possibility of high temperatures well into the 90s to 100 reaching the coast.Ĭalifornia faces ‘new normal’ as West sees new temperature records Kay will still be about 220 miles south of San Diego on Friday, according to the National Weather Service in Los Angeles, but the flow around the storm will bring easterly winds to the area, which could bring extreme heat all the way down to the beaches. While relief was expected Thursday, the oppressive heat is now expected to last through at least Friday, with Hurricane Kay forecast to dictate Southern California’s weather pattern in addition to bringing strong rains and high winds to the Mexican Coast.
Records were also broken all over the Bay Area, with some cities shattering previous daily records by more than 10 degrees. With the heat exacerbated by climate change, some communities across the region have seen record high temperatures: Sacramento hit 116 degrees Tuesday, the hottest day on record for the state capital, according to the National Weather Service. It’s been so hot that Disneyland Resort in Anaheim temporarily paused rides that don’t have climate control to help keep guests “comfortable and safe,” according to Disneyland officials. The alert was lifted hours later and the operator thanked “consumer conservation.” The California Independent System Operator issued an emergency alert for Tuesday - when peak demand hit an all-time high of 52,061 megawatts - saying grid conditions had worsened and energy supplies were insufficient to cover demand.
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