Excessive Heat in Parker Valley, Arizona

Excessive Heat September 9, 2021 · Parker Valley, Arizona

The wider storm

A strong area of high pressure centered over the Great Basin migrated east over the Four Corners region, allowing for temperatures to warm up above 110 degrees on the 9th. The official high temperature in Phoenix on the 9th topped out at 111 degrees. According to the Maricopa County Department of Public Health, 4 heat-associated fatalities occurred between the 9th and 10th.

Source: NOAA Storm Events Database, event 1077696. Narratives are written by the National Weather Service forecast office that issued the report.

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