Excessive Heat — San Bernardino County-upper Colorado River Valley, California
2020-08-14 to 2020-08-20 · San Bernardino County-upper Colorado River Valley, California
Event narrative
Excessive Heat Warning criteria were reached for seven straight days.
Wider weather episode
Strong and nearly stationary high pressure aloft led to a week long heat wave which set many record high temperatures in the Mojave Desert.
Source: NOAA Storm Events Database, event_id 911538. Narrative written by the NWS forecast office that issued the report.