Excessive Heat in Southeast Pinal County, Arizona

Excessive Heat July 15, 2023 – July 29, 2023 · Southeast Pinal County, Arizona

What the National Weather Service wrote

Very hot temperatures of 6 to 11 degrees above normal caused the Major Heat Risk category to be reached across south central and southeast Pinal County July 14-29. Record highs at Picacho Peak Ajo included 113 degrees July 19-21; and 112 on July 25. The hottest temperature was 114 degrees on the 26th. Record highs at San Manuel were 108 degrees on July 25; 107 on July 20 and 26; and 106 on July 15, 17-18, 21, and 27-28.

The wider storm

Persistent strong high pressure aloft created an extended period of very hot temperatures July 14-30 across southeast Arizona. High temperatures were 5 to 14 degrees above normal causing the Major Heat Risk category to be reached and numerous high temperatures to be established. Several dozen heat-related fatalities were reported by the Pima County Medical Examiner.

Source: NOAA Storm Events Database, event 1127099. Narratives are written by the National Weather Service forecast office that issued the report.

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