Marble and Glen Canyons Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Flash Flood Warning
Issued: 1:38 PM MDT Jul. 21, 2018 – National Weather Service

The National Weather Service in Flagstaff has issued a

* Flash Flood Warning for...
Coconino County in north central Arizona...

* until 430 PM MST

* at 134 PM MST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area, from near hermits rest westward
around 10 miles. Up to one inch of rain has already fallen with
additional amounts up to a half inch possible through 230 PM MST.
Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include...
portions of the Grand Canyon from near hermits rest
westward around 10 miles.

This includes the following streams and drainages... shinumo creek...
hermit creek... Pasture Wash... Coconino wash... Tuna creek... Royal Arch
creek... boucher creek... Crystal creek... prairie wash.

Precautionary/preparedness actions...

Move to higher ground now. Act quickly to protect your life.

Remain alert for flooding even in locations not receiving rain. Dry
washes, streams, and rivers can become raging killer currents in a
matter of minutes, even from distant rainfall.


Lat... Lon 3613 11222 3605 11222 3603 11244 3619 11245
      3624 11242 3625 11236 3616 11229

Jj


Flash Flood Watch
Issued: 10:15 AM MDT Jul. 21, 2018 – National Weather Service

... Flash Flood Watch in effect until 8 PM MST this evening...

The National Weather Service in Flagstaff has issued a

* Flash Flood Watch for portions of north central and west central
Arizona, including areas from Flagstaff northwest to Supai,
Grand Canyon, and Page.

* Until 8 PM MST this evening

* ample monsoon moisture and instability will combine with a
trough moving into western Arizona later today to produce
scattered to numerous thunderstorms. Training of storms could
lead to areas of very heavy rain and flash flooding.

* This includes flash flood prone areas such as Supai (havasu
falls), the Grand Canyon, and Antelope Canyon.


Precautionary/preparedness actions...

A Flash Flood Watch means that developing conditions may lead to
flash flooding within the watch area. People... especially those
located along area creeks... rivers or other flash flood prone
areas... should continue to monitor later forecasts and be
prepared to take immediate action should flash flood warnings be
issued.




Flash Flood Watch
Issued: 10:15 AM MDT Jul. 21, 2018 – National Weather Service

... Flash Flood Watch in effect until 8 PM MST this evening...

The National Weather Service in Flagstaff has issued a

* Flash Flood Watch for portions of north central and west central
Arizona, including areas from Flagstaff northwest to Supai,
Grand Canyon, and Page.

* Until 8 PM MST this evening

* ample monsoon moisture and instability will combine with a
trough moving into western Arizona later today to produce
scattered to numerous thunderstorms. Training of storms could
lead to areas of very heavy rain and flash flooding.

* This includes flash flood prone areas such as Supai (havasu
falls), the Grand Canyon, and Antelope Canyon.


Precautionary/preparedness actions...

A Flash Flood Watch means that developing conditions may lead to
flash flooding within the watch area. People... especially those
located along area creeks... rivers or other flash flood prone
areas... should continue to monitor later forecasts and be
prepared to take immediate action should flash flood warnings be
issued.




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