NWS / NOAA weather: Flash Flood Warning issued August 20 at 9:38PM MST until August 20 at 11:15PM MST by NWS Flagstaff AZ

At 938 PM MST /1038 PM MDT/, Doppler radar indicated that heavy rain
had ended over the Antelope Creek basin. Between 0.5 and 1 inch of
rain fell earlier this evening. Flooding impacts will continue, but
only light additional rainfall is expected. Flash flooding is ongoing
or expected to begin shortly.

HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding in and around the Antelope Creek basin.

SOURCE...Radar indicated.

IMPACT...Life threatening flash flooding of areas in and around the
Antelope Creek basin.

Some locations that will experience flash flooding include...
LeChee and Antelope Canyon.

This includes the following slot canyons...
Upper Antelope Canyon, Lower Antelope Canyon, Canyon X, Cardiac
Canyon, Owl Canyon, Rattlesnake Canyon, Mountain Sheep Canyon,
Ramshead Canyon, Wind Pebble Canyon and Porcupine Canyon.

This includes the following creeks, washes and rivers...
Water Holes Canyon and Antelope Creek.

Severity

Severe (4/5) · CAP Severe

This month

1338th Weather alert at severity 4+ in the last 30 days