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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Grand Junction CO
457 AM MDT Thu Jul 29 2021

COZ001>014-017>023-UTZ022>025-027>029-301100-
Lower Yampa River Basin-Central Yampa River Basin-
Roan and Tavaputs Plateaus-Elkhead and Park Mountains-
Upper Yampa River Basin-Grand Valley-Debeque to Silt Corridor-
Central Colorado River Basin-Grand and Battlement Mesas-
Gore and Elk Mountains/Central Mountain Valleys-
Central Gunnison and Uncompahgre River Basin-
West Elk and Sawatch Mountains-Flat Tops-
Upper Gunnison River Valley-Uncompahgre Plateau and Dallas Divide-
Northwest San Juan Mountains-Southwest San Juan Mountains-
Paradox Valley/Lower Dolores River-
Four Corners/Upper Dolores River-Animas River Basin-
San Juan River Basin-Southeast Utah-Eastern Uinta Mountains-
Eastern Uinta Basin-Tavaputs Plateau-Arches/Grand Flat-
La Sal and Abajo Mountains-Canyonlands/Natural Bridges-
457 AM MDT Thu Jul 29 2021

This hazardous weather outlook is for eastern Utah and western
Colorado.

.DAY ONE...Today and Tonight

Showers and thunderstorms will become more widespread today,
beginning over the high terrain by late morning and drifting into
lower elevations late afternoon into the evening. Lightning and
heavy rainfall will be the main threats along with gusty outflow
winds and hail in the stronger storms. Flash flooding is possible
with heavy rainfall over portions of southwest Colorado and
southeast Utah. Storms will continue into the overnight hours.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Daily scattered to numerous showers and thunderstorms can be
expected each day with monsoon moisture entrenched across the
area. Storm activity and coverage looks to increase late this
week into the weekend with better potential for storms to last
through the overnight hours. Moderate to heavy rain, gusty winds
and lightning will be the primary threats with storms.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$



Flash Flood Watch

Flood Watch
National Weather Service Grand Junction CO
412 PM MDT Thu Jul 29 2021

COZ017-020-021-300600-
/O.CON.KGJT.FF.A.0023.000000T0000Z-210730T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Uncompahgre Plateau and Dallas Divide-Paradox Valley/Lower Dolores
River-Four Corners/Upper Dolores River-
Including the cities of Ridgway, Glade Park, Gateway, Nucla, Cortez,
Dove Creek, and Mancos
412 PM MDT Thu Jul 29 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

The Flash Flood Watch continues for

* Portions of southwest Colorado and west central Colorado,
  including the following areas, in southwest Colorado, Four
  Corners/Upper Dolores River and Paradox Valley/Lower Dolores
  River. In west central Colorado, Uncompahgre Plateau and Dallas
  Divide.

* Until Midnight MDT tonight.

* Monsoonal moisture remains entrenched over portions of southwestern
  Colorado. This will lead to multiple rounds of afternoon
  thunderstorms capable of producing heavy rainfall. Several areas
  have received heavy rainfall the past few days and additional
  amounts could lead to excess runoff and localized flash flooding.
  Rainfall amounts of a half to one inch in a short duration will
  exacerbate flooding concerns in the watch area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

$$



U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
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