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Excessive Heat in Orange County Inland, California

Excessive Heat August 28, 2023 – August 30, 2023 · Orange County Inland, California

What the National Weather Service wrote

Very hot daytime temperatures occurred across inland portions of Orange County on August 28-30th, when Heat Advisories were in effect. Highs between 91 and 103 degrees occurred each day, with Yorba Linda and Anaheim seeing the hottest temperatures, both exceeding 100 degrees on the 28th and 29th.

The wider storm

An upper level area of high pressure caused very hot daytime temperatures to occur in late August 2023. It also caused the daily marine layer low clouds/fog to become more confined to the coast, which resulted in dense fog impacting San Diego International Airport for an extended period of time, resulting in a large number of delays.

Source: NOAA Storm Events Database, event 1133792. Narratives are written by the National Weather Service forecast office that issued the report.

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