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Excessive Heat in San Bernardino County-upper Colorado River Valley, California
Excessive Heat September 12, 2021 – September 13, 2021 · San Bernardino County-upper Colorado River Valley, California
What the National Weather Service wrote
Excessive Heat Warning criteria were reached two days in a row.
The wider storm
High pressure brought two days of excessive heat to the Colorado River Valley.
Source: NOAA Storm Events Database, event 984983. Narratives are written by the National Weather Service forecast office that issued the report.
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