At 237 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding.
SOURCE...Radar indicated.
IMPACT...Life threatening flash flooding of normally dry washes, streams, and creeks.
Some locations that will experience flash flooding include... Big Water, Wahweap Creek, and Coyote Creek.
This includes US Route 89 between mile markers 3 and 12.