Flash Flood — Sevier, Utah

2010-08-03 · near Koosharem, Sevier, Utah

Event narrative

Heavy rain north of Koosharem caused a mudslide that blocked SR-62 near milepost 40. All lanes along the highway were closed until the slide could be cleaned up.

Wider weather episode

The moist airmass that was in place at the end of July, remained in place into August, with widespread afternoon thunderstorms across Utah. While flash flooding and severe thunderstorms were reported in both northern and southern Utah, the flooding primarily occurred across the southern half of the State, whereas large hail and gusty winds were more common in northern Utah, where there was a better shear environment.

View location on OpenStreetMap → (38.5300, -111.8800)

Source: NOAA Storm Events Database, event_id 257530. Narrative written by the NWS forecast office that issued the report.