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Excessive Heat in San Bernardino County-upper Colorado River Valley, California
Excessive Heat September 4, 2020 – September 7, 2020 · San Bernardino County-upper Colorado River Valley, California
What the National Weather Service wrote
Excessive Heat Warning criteria were reached for four straight days.
The wider storm
Strong high pressure over the Mojave Desert produced yet another heat wave. Several temperature records were broken, including some records for the month of September.
Source: NOAA Storm Events Database, event 911588. Narratives are written by the National Weather Service forecast office that issued the report.
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