Excessive Heat in Deer Valley, Arizona

Excessive Heat July 10, 2020 – July 13, 2020 · Deer Valley, Arizona

The wider storm

A very strong area of high pressure strengthened over the southwest United States, leading to excessive heat conditions across the region. Temperatures in Phoenix exceeded 110 degrees each day with afternoon highs reaching or exceeding 115 degrees on the 11th and the 12th. According to the Maricopa County Department of Public Health, 47 heat-associated fatalities occurred during this event.

Source: NOAA Storm Events Database, event 992796. Narratives are written by the National Weather Service forecast office that issued the report.

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