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Record-Breaking Heat Wave Scorches Southwest

Climate

Temperatures climbed rapidly over the weekend in Arizona and southern California, hitting a scorching 118 F in Phoenix and leading to four deaths. The excessive heat stoked at least four major wildfires in the region and more than 300 million people remain under heat warnings or advisories.

A Phoenix-bound flight was forced to return to Houston due to the extreme heat conditions. The National Weather Service issued a list of record-setting temperatures in cities across southern California, as CNN Meteorologist Pedram Javaher called it the hottest start to summer ever in California, New Mexico and Arizona.

The National Weather Service issued a list of record-setting temperatures in cities across the Southwest. Here’s a sampling:

  • Burbank: 109 (previous: 104 degrees, set in 1973)
  • Chula Vista: 93 (previous: 88, set in 1957)
  • El Cajon: 104 degrees (previous: 94, set in 2001)
  • Escondido: 103 (previous: 102, set in 1929)
  • Idyllwild: 94 (previous: 93, set in 1954)
  • Indio: 118 (previous: 117, set in 1945)
  • Palm Springs: 118 (previous: 116, set in 2008)
  • Ramona: 106 (previous: 102, set in 2008)
  • Riverside: 111 (previous: 107, set in 1922)
  • Sandberg: 101 (previous: 94 degrees, set in 1961)
  • Santa Ana: 103 (previous: 95, set in 1973)
  • Thermal: 119 (previous: 118, set in 2008)
  • Woodland Hills: 109 (tying previous record, set in 2008)

As the climate warms, the most extreme heat events are becoming dramatically more frequent.

For a deeper dive:

NewsCNN, Chicago Tribune, NBC, ABC13, AP, Motherboard, Fox, CBS News, LA Times, USA Today, Washington Post

Background: Climate Signals

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