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

2021-07-07 to 2021-07-12 · San Bernardino County-upper Colorado River Valley, California

Event narrative

Excessive Heat Warning criteria were reached six days in a row.

Wider weather episode

Strong high pressure over the Desert Southwest brought several days of scorching temperatures.

Source: NOAA Storm Events Database, event_id 974551. Narrative written by the NWS forecast office that issued the report.