At 150 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, slot canyons, creeks and streams.
Some locations that will experience flash flooding include... drainages south of Lake Powell include Labyrinth Canyon.