Excessive Heat — Los Angeles County Valleys, California

2008-06-21 · Los Angeles County Valleys, California

Event narrative

An automated sensor at Northridge reported a high temperature of 109 degrees with a heat index greater than 105 degrees.

Wider weather episode

The combination of strong high pressure centered over Arizona and weak offshore flow generated extreme heat conditions across Central and Southern California. Across many sections of the area, afternoon temperatures climbed to between 100 and 114 degrees which set numerous high temperature records. The extreme heat resulted in several power outages due to excessive electrical use.

Source: NOAA Storm Events Database, event_id 104650. Narrative written by the NWS forecast office that issued the report.