Excessive Heat — Western Pima County, Arizona

2022-07-10 to 2022-07-11 · Western Pima County, Arizona

Event narrative

Very hot high temperatures around 10 degrees above normal occurred on July 10 and 11, causing the High Heat Risk category to be reached. Ajo reached 114 degrees on the 10th and broke a record high on the 11th with 115 degrees while Organ Pipe National Monument reached 109. The Pima County Medical Examiner determined that heat was the primary cause of death for one individual found outdoors in Ajo on the 10th.

Wider weather episode

Very hot temperatures 5 to 10 degrees above normal were experienced across the western deserts of southeast Arizona on July 10 and 11. The Pima County Medical Examiner confirmed that heat was the primary cause of death for one individual found in outdoors in Ajo on the 10th and for four individuals found the desert on the 11th: two on the Tohono O'odham Nation; one in east central Pima County; and one in Santa Cruz County.

Source: NOAA Storm Events Database, event_id 1050399. Narrative written by the NWS forecast office that issued the report.