Excessive Heat — Orange County Inland, California

2022-09-01 to 2022-09-09 · Orange County Inland, California

Event narrative

The ASOS at Fullerton Airport observed daily highs ranging from the middle to upper 90s through much of early September, with several days also exceeding 100 degrees for a daily high. The highest daily maximum temperature of 111 degrees occurred on the afternoon of Sunday, September 4th, with a high of 103 occurring on the 3rd and 8th of September. Highs on Saturday, September 10th were significantly cooler due to clouds and rain associated with the approach of Hurricane Kay, which ended the heat wave.

Wider weather episode

Early September heat starting in August.

Source: NOAA Storm Events Database, event_id 1051006. Narrative written by the NWS forecast office that issued the report.