山洪警报

FFWFGZ

The National Weather Service in Flagstaff has extended the

* Flash Flood Warning for...
The Havasu Creek basin in...
Coconino County in north central Arizona...

* Until 900 PM MST Tuesday.

* At 251 PM MST, A river gauge on Cataract Creek below Heather Wash
reported a rapid rise of 2.7 feet. This rise is due to runoff from
heavy rain that occurred on previous days. Flash flooding is
already occurring.

HAZARD...Runoff from the most recent storm is producing flash
flooding in and around the Havasu Creek basin.

SOURCE...River gauge reported.

IMPACT...Flash flooding of areas in and around the Havasu Creek
basin.

* For Cataract Creek at Cataract Creek Below Heather Wash:
At 1:30pm the stage was 6.4 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 villago 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 157 and 158.

This includes the following swimming holes...
All swimming holes on Havasu Creek near Supai.

This includes the following creeks, washes and rivers...
Colorado River, Havasu Creek, Sinyella Canyon and Little Coyote
Canyon.