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Heat in San Diego County Deserts, California
Heat October 18, 2023 – October 20, 2023 · San Diego County Deserts, California
What the National Weather Service wrote
High temperatures across portions of the San Diego County Deserts on October 18th through the 20th were notably hotter than seasonal normal. Highs at Borrego Springs ranged from 99 to 104 degrees during this time.
The wider storm
High pressure at middle and upper levels of the atmosphere led to another round of weak Santa Ana Winds across portions of Southern California. The primary impact from the Santa Anas was hot daytime temperatures, with multiple daily records set during this event.
Source: NOAA Storm Events Database, event 1144540. Narratives are written by the National Weather Service forecast office that issued the report.
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