Flash Flood — Yavapai, Arizona

2025-08-25 to 2025-08-26 · near Whipple, Yavapai, Arizona

Event narrative

A USGS stream gauge on Granite Creek (GCRA3) measured a 4.6 foot rise in 30 minutes. A CoCoRaHS observer upstream of the gauge confirmed water nearing a business parking lot in downtown Prescott. The observer measured 2.05 inches of rain.

Wider weather episode

A large mesoscale convective system formed over northern Mexico and moved north into Arizona. This feature produced severe weather in southern Arizona and a large haboob dust storm that tracked all the way into southern Yavapai County. The following thunderstorms progressed through northern Arizona and produced heavy rain and some flash flooding.

View location on OpenStreetMap → (34.5500, -112.4600)

Source: NOAA Storm Events Database, event_id 1282695. Narrative written by the NWS forecast office that issued the report.