Dust Storm in Northwest Pinal County, Arizona

Dust Storm May 20, 2024 · Northwest Pinal County, Arizona

Injury

What the National Weather Service wrote

Near zero visibility in blowing dust on I-10 in Casa Grande. There was also a traffic accident during the dust storm with one person transported to the hospital.

The wider storm

An upper-level trough pulling anomalously high moisture content into the region resulted a line of high based shower activity across south-central AZ. Strong evaporational cooling from these showers resulted in strong winds and consequently blowing dust issues, with the most significant issue near Casa Grande, AZ where visibilities near zero were observed along I-10. A vehicular crash from the dust storm was observed along the interstate, resulting in an injury.

Source: NOAA Storm Events Database, event 1176306. Narratives are written by the National Weather Service forecast office that issued the report.

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