Excessive Heat — Sonoran Desert Natl Monument, Arizona

2018-07-23 to 2018-07-25 · Sonoran Desert Natl Monument, Arizona

Wider weather episode

Strong high pressure building into the region resulted in excessive heat warning conditions across much of south-central and southwest Arizona. The deadly heatwave resulted in 25 fatalities (23 direct and 2 indirect) according to the Maricopa County Department of Public Health.

Source: NOAA Storm Events Database, event_id 865070. Narrative written by the NWS forecast office that issued the report.