Excessive Heat — San Bernardino County-upper Colorado River Valley, California

2019-09-01 · San Bernardino County-upper Colorado River Valley, California

Event narrative

Excessive Heat Warning criteria were reached in the Colorado River Valley. The event began in August.

Wider weather episode

A prolonged excessive heat episode affected nearly all of the lower elevations of the Mojave Desert. The episode began in August.

Source: NOAA Storm Events Database, event_id 857143. Narrative written by the NWS forecast office that issued the report.