Kaibab Plateau Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Flash Flood Warning
Issued: 1:03 PM MDT Jul. 24, 2017 – National Weather Service

The National Weather Service in Flagstaff has issued a

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

* until 400 PM MST

* at 100 PM MST, National weather Doppler radar indicated heavy rain
had moved across the Highline fire scar, above Ellison creek. Rain
gauges on the Highline fire scar are showing 1.4 inches of rain in
the last hour. Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include...
Ellison creek and the water wheel swimming area.

Precautionary/preparedness actions...

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

Stay away or be swept away. River banks and culverts can become
unstable and unsafe.

Move away from recently burned areas. Life-threatening flooding of
creeks, roads and normally dry washes is likely. The heavy rains will
likely trigger Rockslides, mudslides and debris flows in steep
terrain, especially in and downstream of areas recently scarred by
fire.


Lat... Lon 3440 11114 3435 11116 3433 11120 3433 11122
      3434 11129 3436 11128 3436 11121 3437 11119
      3440 11118



Flash Flood Watch
Issued: 3:32 PM MDT Jul. 24, 2017 – National Weather Service

... Flash Flood Watch remains in effect until midnight MST
tonight...

The Flash Flood Watch continues for

* portions of north central Arizona and northeast Arizona,
including the following areas, Coconino Plateau, Grand Canyon
country, Kaibab Plateau, Little Colorado River valley in
Coconino County, and Marble and Glen canyons, Black Mesa area,
Chinle Valley, Chuska Mountains and Defiance Plateau, northeast
plateaus and mesas Hwy 264 northward, and northeast plateaus and
mesas south of Hwy 264.

* Until midnight MST tonight

* abundant monsoon moisture is expected to produce showers and
thunderstorms through this evening. The stronger storms will be
capable of dropping rainfall amounts of 1 to 2 inches in a
short period of time.

* Areas of particular concern include the Grand Canyon, Havasu
Canyon and Supai, Antelope Canyon and other slot canyons. Low
water crossings in the watch area will also be susceptible to
flooding today.

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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Flash Flood Watch
Issued: 3:32 PM MDT Jul. 24, 2017 – National Weather Service

... Flash Flood Watch remains in effect until midnight MST
tonight...

The Flash Flood Watch continues for

* portions of north central Arizona and northeast Arizona,
including the following areas, Coconino Plateau, Grand Canyon
country, Kaibab Plateau, Little Colorado River valley in
Coconino County, and Marble and Glen canyons, Black Mesa area,
Chinle Valley, Chuska Mountains and Defiance Plateau, northeast
plateaus and mesas Hwy 264 northward, and northeast plateaus and
mesas south of Hwy 264.

* Until midnight MST tonight

* abundant monsoon moisture is expected to produce showers and
thunderstorms through this evening. The stronger storms will be
capable of dropping rainfall amounts of 1 to 2 inches in a
short period of time.

* Areas of particular concern include the Grand Canyon, Havasu
Canyon and Supai, Antelope Canyon and other slot canyons. Low
water crossings in the watch area will also be susceptible to
flooding today.

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.



41


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