Excessive Heat in Parker Valley, Arizona

Excessive Heat August 25, 2021 – August 29, 2021 · Parker Valley, Arizona

The wider storm

A strong subtropical ridge over the Southern Plains expanded westward into the Desert Southwest near the end of August, leading to excessive heat conditions across the region. Temperatures in Phoenix during this time climbed well above normal, peaking at 112 degrees on the 26th and 27th. According to the Maricopa County Department of Public Health, 13 heat-associated fatalities occurred during this time.

Source: NOAA Storm Events Database, event 1072084. Narratives are written by the National Weather Service forecast office that issued the report.

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