Excessive Heat — Los Angeles County Valleys, California
2007-09-01 to 2007-09-03 · Los Angeles County Valleys, California
10
Direct deaths
Event narrative
The combination of above normal temperatures and relative humidity produced excessive heat conditions across the lower valleys of Los Angeles county. Heat index values between 105 and 112 were reported.
Wider weather episode
The heat wave which started at the end of August continued into the first few days of September. The combination of above normal temperatures and relative humidity continued to produce excessive heat conditions across sections of Southern California. At the end of the heat wave, 18 heat-related deaths were reported across Los Angeles county.
Source: NOAA Storm Events Database, event_id 52589. Narrative written by the NWS forecast office that issued the report.