Western Mogollon Rim Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Severe Thunderstorm Warning
Issued: 4:00 PM MDT Jul. 21, 2018 – National Weather Service

... The Severe Thunderstorm Warning for Coconino County will expire at
400 PM MST...

the storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire. However, hail is still possible storms in the
vicinity of Route 180 northwest of Flagstaff and additional warning
may become necessary.

Lat... Lon 3525 11169 3525 11185 3545 11190 3548 11168
time... Mot... loc 2259z 176deg 15kt 3548 11178


Kd


Flash Flood Warning
Issued: 3:33 PM MDT Jul. 21, 2018 – National Weather Service

... The Flash Flood Warning remains in effect until 430 PM MST for
Coconino County...

At 327 PM MST, Doppler radar indicated that heavy rainfall had ended
over the warning area, from near hermits rest westward 10
miles. Flash flooding is still possible

Some locations that will experience flooding include...
remote areas of the Grand Canyon from near hermits rest to 10 miles
west of hermits rest.

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... havasu
creek.

Precautionary/preparedness actions...

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


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

Jj


333 PM MST Sat Jul 21 2018

The National Weather Service in Flagstaff has issued a

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

* until 600 PM MST

* at 331 PM MST, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain... in excess of 1.5 inches in
under an hour... across the warned area. Flash flooding is expected
to begin shortly.

* Some locations that will experience flooding include...
Highway 180 northwest of Flagstaff.

This includes the following streams and drainages... Cedar Wash...
Schultz creek... Miller Wash... Deadman Wash and volunteer wash.

This includes Highway 180 between mile markers 223 and 243.

Precautionary/preparedness actions...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

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


Lat... Lon 3529 11163 3524 11182 3546 11194 3552 11176


Kd


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.




Special Statement
Issued: 3:49 PM MDT Jul. 21, 2018 – National Weather Service

... Significant weather advisory for Coconino County until 415 PM
MST...

At 347 PM MST, Doppler radar was tracking a strong thunderstorm just
west of Bellemont, or 15 miles west of Flagstaff. This storm was
moving north at 10 mph.

Nickel size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Bellemont and Interstate 40 between mile markers 178 and 187.

Precautionary/preparedness actions...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.


Lat... Lon 3520 11177 3518 11190 3530 11195 3532 11178
time... Mot... loc 2247z 156deg 4kt 3524 11188


Kd

349 PM MST Sat Jul 21 2018

... Significant weather advisory for Coconino County until 415 PM
MST...

At 347 PM MST, Doppler radar was tracking a strong thunderstorm just
west of Bellemont, or 15 miles west of Flagstaff. This storm was
moving north at 10 mph.

Nickel size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Bellemont and Interstate 40 between mile markers 178 and 187.

Precautionary/preparedness actions...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.


Lat... Lon 3520 11177 3518 11190 3530 11195 3532 11178
time... Mot... loc 2247z 156deg 4kt 3524 11188


Kd


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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