Excessive Heat — Tonto Basin, Arizona

2018-06-12 to 2018-06-14 · Tonto Basin, Arizona

Wider weather episode

A heatwave due to a strong upper ridge formed across the region, with excessive heat warning conditions developing by the end of the period. Nine fatalities due to the heat (5 direct, 4 indirect), were reported by the Maricopa County Department of Public Health.

Source: NOAA Storm Events Database, event_id 864354. Narrative written by the NWS forecast office that issued the report.