Excessive Heat — Sonoran Desert Natl Monument, Arizona

2018-08-06 to 2018-08-07 · Sonoran Desert Natl Monument, Arizona

Wider weather episode

Strong high pressure over the Desert Southwest led to excessive heat warning conditions near the beginning of the month. The deadly heatwave resulted in 31 fatalities (27 direct and 4 indirect) according to the Maricopa County Department of Public Health.

Source: NOAA Storm Events Database, event_id 866482. Narrative written by the NWS forecast office that issued the report.