Event narrative (NOAA)
Heavy rain caused widespread significant flooding across Washington County. Rainfall and significantly increased river flows began on December 19th, with many rivers and streams around Zion National Park and St. George near bankfull. Reports of road flooding began on December 20th. SR-9 was closed in Zion National Park due to flooding between the tunnel and Mt. Carmel Junction, and flooding and rockslides occurred on SR-18 between Enterprise and Central.||The worst of the flooding occurred on December 21st, when the flow of the Santa Clara River increased to an estimated 5000 cfs, and the Virgin River near Bloomington was measured at 12400 cfs. Zion National Park was closed due to flooding, and the Zion Park Lodge was evacuated due to the danger of landslides. One historic landslide, in pa
Other notable flood events in Utah
Source: NOAA/NCEI Storm Events Database. Deaths and injuries are those NOAA classifies as direct. Damage is the reporting office's estimate at the time and is not inflation-adjusted. This is a catalogue record, not a forecast.