COCONINO, AZ — FFWFGZ
The National Weather Service in Flagstaff has issued a
* Flash Flood Warning for... The Havasu Creek basin in... Coconino County in north central Arizona...
* Until 900 AM MST Tuesday.
* At 205 AM MST, a river gauge on Cataract Creek reported a rapid rise of 5.38 feet as a result of heavy rain far upstream. A flood wave is traveling through Cataract/Havasu Creek. Estimated time for impacts to begin at Supai is between 9 AM to noon MST, though this may change. Stay tuned to future updates for refinements on this estimate.
HAZARD...Life threatening flash flooding. Heavy rain producing flash flooding in and around the Havasu Creek basin.
SOURCE...River gauge reported.
IMPACT...Life threatening flash flooding of areas in and around the Havasu Creek basin.
* For Cataract Creek at Cataract Creek Below Heather Wash: At 1:30am the stage was 4.46 feet. Flood Stage is 7.5 feet. Impacts: At 7.5 feet: 450 cfs flow. May cause minor flooding downstream in Supai campground 4 to 7 hours later. At 10.0 feet: 1520 cfs flow. May cause moderate flooding downstream in Suapi village 4 to 7 hours later.
Some locations that will experience flash flooding include... Supai, Havasupai Reservation, Little Navajo Falls, Mooney Falls and Beaver Falls.
This includes the Colorado River between river miles 156 and 158.
This includes the following recreation areas and campgrounds... Very Last Chance Camp Site.
This includes the following swimming holes... All swimming holes on Havasu Creek near Supai.
This includes the following creeks, washes and rivers... Heather Wash, Sinyella Canyon, Little Coyote Canyon, Pasture Wash, Havasu Creek, Black Tank Wash, Colorado River and Coconino Wash.
Flooding in Coconino, AZ can cut off roads with little warning, damage homes near low-lying areas, and disrupt power and water service. Even a few inches of moving water can carry away a vehicle.
This report is based on information from NWS, monitored by Alert USA's verified emergency feed.
Alert USA anticipates a high chance of travel disruptions, elevated property risk in low-lying areas, and possible power outages while the event is active.
Recommended steps: avoid flooded roads — turn around, don't drown; move to higher ground if you are in a low-lying area; charge phones and prepare for power loss; check on family and neighbors.
Alert USA is tracking this flood event and will update this report as verified information becomes available.
Verified by Alert USA • NWS