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

2020-07-30 to 2020-07-31 · San Bernardino County-upper Colorado River Valley, California

Event narrative

Excessive Heat Warning criteria were reached on the last two days of the month. The event continued into August.

Wider weather episode

Strong high pressure built over the Mojave Desert, leading to dangerously hot temperatures. This episode continued into August.

Source: NOAA Storm Events Database, event_id 900120. Narrative written by the NWS forecast office that issued the report.