Dust Storm — South Central Pinal County, Arizona

2023-07-17 · South Central Pinal County, Arizona

Event narrative

Thunderstorm outflow winds caused a wall of dust to travel northwest across south central Pinal County. ADOT sensors detected blowing dust reducing visibilities to less than a quarter mile along I-10 from Picacho Peak to Eloy.

Wider weather episode

Thunderstorms developed during the afternoon and moved northwest across southeast Arizona through the evening. Storms produced damaging winds and large hail across eastern Pima County and the Tohono O'odham Nation and a dust storm in Pinal County. The Catalina Foothills were especially hit hard with numerous power poles downed leaving thousands without power for two days.

Source: NOAA Storm Events Database, event_id 1121314. Narrative written by the NWS forecast office that issued the report.