A flash flood warning was issued for southeastern Washington County on October 22, according to a report from the National Weather Service in Salt Lake City. The warning, which was effective from 11:40 a.m. MDT until 3:45 p.m. MDT, addressed life-threatening flash flooding in the area.
At 11:40 a.m. MDT, between 1 and 2 inches of rain had fallen across the headwaters of Gould Wash from earlier thunderstorms. These storms created a large flood wave that was moving through Hurricane.
Officials noted that flash flooding was ongoing and was expected to be exacerbated by additional thunderstorms forming to the south and west. These storms were expected to move back into the area within 30 to 45 minutes of the initial report.
Impacts from the flooding included potential threats to creeks, streams, urban areas, highways, streets, and underpasses. Locations expected to experience flash flooding included Gould Wash through Hurricane.
