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Flash Flood in Washington County, Utah

Flash Flood September 13, 2023 · Washington County, Utah

$20K
Damage as recorded

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Flash flooding was reported on Short Creek and its tributaries through the Hilldale and Colorado City area. All creek road crossings were closed for 2 to 3 hours, and the Hilldale Street Creek crossing was heavily damaged and subsequently closed indefinitely until repairs could be made. This flooding is the result of strong thunderstorms which per Multi-Radar Multi-Sensor, produced approximately 3.00 to 4.00 of rainfall, largely within the span of 2 hours, though some of this can likely be attributed to hail contamination. At 6:25 am MST on the 14th, the downstream Fort Pearce Wash gauge recorded a spike in flow to 124 CFS associated with the flood water propagation.

The wider storm

A brief resurgence of the active pattern resulted in scattered strong thunderstorms which resulted in reports of a landspout, hail, and flash flooding.

Began near Rockville (37.0002, -112.9472).

Source: NOAA Storm Events Database, event 1131412. Narratives are written by the National Weather Service forecast office that issued the report.

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