Central Gunnison and Uncompahgre River Basin Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Areal Flood Advisory, Flash Flood Watch
Issued: 6:43 PM MDT Jul. 21, 2017 – National Weather Service

... The small stream flood advisory for rapid rises remains in effect
until 815 PM MDT for northwestern Mesa County...

At 640 PM MDT, Doppler radar indicated light to moderate rain
continuing that will cause small stream flooding. Rapid rises will
result in minor flooding in the advisory area. Up to one inch of
rain has already fallen to the north and northeast of Fruita,
Colorado. Runoff from that rainfall will move southward toward the
Colorado River and result in sudden rises of normally dry creeks and
washes.

Some locations that will experience flooding include...
mainly rural areas west of Fruita.

This includes the following streams and drainages... Reed Wash... Dry
Gulch... East Branch Reed Wash... little Salt Wash... adobe creek...
Layton wash... Big Salt Wash and Lipan wash.

Precautionary/preparedness actions...

Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.

A flood advisory means river or stream flows are elevated, or ponding
of water in urban or other areas is occurring or is imminent.


Lat... Lon 3930 10857 3924 10862 3922 10868 3918 10874
      3916 10876 3918 10881 3933 10873


Jdc



607 PM MDT Fri Jul 21 2017

The National Weather Service in Grand Junction has issued a

* small stream flood advisory for rapid rises for...
northwestern Mesa County in west central Colorado...
east central Grand County in east central Utah...

* until 900 PM MDT

* at 606 PM MDT, Doppler radar indicated heavy rain due to slow
moving thunderstorms. The storms causing the heavy rainfall were
moving south at 5 mph. This will cause small stream flooding in
the advisory area and ponding of water on Interstate 70.

* Some locations that will experience flooding include...
Mack and Loma.

This includes the following highways...
Interstate 70 in Colorado between mile markers 1 and 14.
Interstate 70 in Utah between mile markers 215 and 231.
Colorado 139 between mile markers 1 and 12.

Precautionary/preparedness actions...

Excessive runoff will cause flooding of roadways. Do not attempt to
travel across flooded roads.

Please report flooding to the Grand Junction National Weather Service
office when you can do so safely.

A flood advisory means river or stream flows are elevated, or ponding
of water in urban or other areas is occurring or is imminent.


Lat... Lon 3934 10873 3918 10881 3917 10912 3903 10924
      3904 10938 3931 10926 3936 10906 3936 10888


Jdc


353 PM MDT Fri Jul 21 2017

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

The Flash Flood Watch continues for

* portions of Colorado and Utah, including the following areas,
in Colorado, Animas river basin, central Colorado River Basin,
central Gunnison and Uncompahgre river basin, central Yampa
river basin, debeque to Silt corridor, Elkhead and park
mountains, Flat Tops, Four Corners/upper Dolores river, Gore
and Elk Mountains/Central Mountain valleys, Grand Valley,
grand and battlement mesas, lower Yampa river basin, northwest
San Juan Mountains, Paradox Valley/lower Dolores river, Roan
and tavaputs plateaus, San Juan river basin, southwest San
Juan Mountains, Uncompahgre Plateau and Dallas Divide, upper
Gunnison River Valley, upper Yampa river basin, and west Elk
and sawatch mountains. In Utah, arches/Grand Flat,
canyonlands/Natural Bridges, eastern Uinta Basin, eastern
Uinta Mountains, La Sal and Abajo Mountains, southeast Utah,
and tavaputs plateau.

* Until midnight MDT tonight

* scattered to numerous thunderstorms, some with heavy rain, are
expected over the watch area, developing by this afternoon and
continuing through late this evening.

* Flash flooding due to heavy rainfall is possible, especially
over already saturated soils and areas of steep terrain. Slot
canyons, burn scars, and normally dry streams, washes and
arroyos are most susceptible to flash flooding. Water can rise
quickly downstream of heavy rain, even when a thunderstorm is
miles away. Rock and mud slides, and high water flowing across
roads, are also possible which could impact travel.

Precautionary/preparedness actions...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.

You should monitor later forecasts and be prepared to take action
should flash flood warnings be issued.





Areal Flood Advisory, Flash Flood Watch
Issued: 6:43 PM MDT Jul. 21, 2017 – National Weather Service

... The small stream flood advisory for rapid rises remains in effect
until 815 PM MDT for northwestern Mesa County...

At 640 PM MDT, Doppler radar indicated light to moderate rain
continuing that will cause small stream flooding. Rapid rises will
result in minor flooding in the advisory area. Up to one inch of
rain has already fallen to the north and northeast of Fruita,
Colorado. Runoff from that rainfall will move southward toward the
Colorado River and result in sudden rises of normally dry creeks and
washes.

Some locations that will experience flooding include...
mainly rural areas west of Fruita.

This includes the following streams and drainages... Reed Wash... Dry
Gulch... East Branch Reed Wash... little Salt Wash... adobe creek...
Layton wash... Big Salt Wash and Lipan wash.

Precautionary/preparedness actions...

Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.

A flood advisory means river or stream flows are elevated, or ponding
of water in urban or other areas is occurring or is imminent.


Lat... Lon 3930 10857 3924 10862 3922 10868 3918 10874
      3916 10876 3918 10881 3933 10873


Jdc



607 PM MDT Fri Jul 21 2017

The National Weather Service in Grand Junction has issued a

* small stream flood advisory for rapid rises for...
northwestern Mesa County in west central Colorado...
east central Grand County in east central Utah...

* until 900 PM MDT

* at 606 PM MDT, Doppler radar indicated heavy rain due to slow
moving thunderstorms. The storms causing the heavy rainfall were
moving south at 5 mph. This will cause small stream flooding in
the advisory area and ponding of water on Interstate 70.

* Some locations that will experience flooding include...
Mack and Loma.

This includes the following highways...
Interstate 70 in Colorado between mile markers 1 and 14.
Interstate 70 in Utah between mile markers 215 and 231.
Colorado 139 between mile markers 1 and 12.

Precautionary/preparedness actions...

Excessive runoff will cause flooding of roadways. Do not attempt to
travel across flooded roads.

Please report flooding to the Grand Junction National Weather Service
office when you can do so safely.

A flood advisory means river or stream flows are elevated, or ponding
of water in urban or other areas is occurring or is imminent.


Lat... Lon 3934 10873 3918 10881 3917 10912 3903 10924
      3904 10938 3931 10926 3936 10906 3936 10888


Jdc


353 PM MDT Fri Jul 21 2017

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

The Flash Flood Watch continues for

* portions of Colorado and Utah, including the following areas,
in Colorado, Animas river basin, central Colorado River Basin,
central Gunnison and Uncompahgre river basin, central Yampa
river basin, debeque to Silt corridor, Elkhead and park
mountains, Flat Tops, Four Corners/upper Dolores river, Gore
and Elk Mountains/Central Mountain valleys, Grand Valley,
grand and battlement mesas, lower Yampa river basin, northwest
San Juan Mountains, Paradox Valley/lower Dolores river, Roan
and tavaputs plateaus, San Juan river basin, southwest San
Juan Mountains, Uncompahgre Plateau and Dallas Divide, upper
Gunnison River Valley, upper Yampa river basin, and west Elk
and sawatch mountains. In Utah, arches/Grand Flat,
canyonlands/Natural Bridges, eastern Uinta Basin, eastern
Uinta Mountains, La Sal and Abajo Mountains, southeast Utah,
and tavaputs plateau.

* Until midnight MDT tonight

* scattered to numerous thunderstorms, some with heavy rain, are
expected over the watch area, developing by this afternoon and
continuing through late this evening.

* Flash flooding due to heavy rainfall is possible, especially
over already saturated soils and areas of steep terrain. Slot
canyons, burn scars, and normally dry streams, washes and
arroyos are most susceptible to flash flooding. Water can rise
quickly downstream of heavy rain, even when a thunderstorm is
miles away. Rock and mud slides, and high water flowing across
roads, are also possible which could impact travel.

Precautionary/preparedness actions...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.

You should monitor later forecasts and be prepared to take action
should flash flood warnings be issued.





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