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

Excessive Heat August 14, 2020 – August 20, 2020 · San Bernardino County-upper Colorado River Valley, California

What the National Weather Service wrote

Excessive Heat Warning criteria were reached for seven straight days.

The wider storm

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 911538. Narratives are written by the National Weather Service forecast office that issued the report.

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