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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Grand Junction CO
424 AM MDT Mon Aug 15 2022

COZ001>014-017>023-UTZ022>025-027>029-161030-
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-
424 AM MDT Mon Aug 15 2022

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

.DAY ONE...Today and Tonight

Thunderstorms will form over the higher terrain from late morning
through early afternoon and drift over low valley floors by this
evening. Heavy rainfall, gusty outflow winds, small hail and
frequent lightning will be possible with these storms. Nocturnal
showers are most probable across west-central and northwestern
Colorado, drifting to the north and northeast tonight.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Expect chances for storms each afternoon through the week. There
is a potential for localized flooding, especially over steep
terrain, burn scars, and saturated soils.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected today or tonight, however
spotters are encouraged to relay rainfall amounts or any observed
flooding to the National Weather Service in Grand Junction.

$$



Flash Flood Watch

Flood Watch
National Weather Service Grand Junction CO
318 AM MDT Mon Aug 15 2022

COZ008-010-013-151730-
/O.NEW.KGJT.FF.A.0028.220815T1900Z-220816T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Central Colorado River Basin-Gore and Elk Mountains/Central Mountain
Valleys-Flat Tops-
318 AM MDT Mon Aug 15 2022

...FLASH FLOOD WATCH FOR THE GRIZZLY CREEK FIRE BURN AREA IN EFFECT
FROM 1 PM MDT THIS AFTERNOON THROUGH MIDNIGHT...

* WHAT...Flash flooding and debris flows caused by excessive
  rainfall are possible over the Grizzly Creek Fire Burn Area.

* WHERE...Portions of northwest Colorado and west central Colorado,
  including the following areas, in northwest Colorado, Flat Tops.
  In west central Colorado, Central Colorado River Basin and Gore
  and Elk Mountains/Central Mountain Valleys.

* WHEN...From 1 PM MDT this afternoon through midnight.

* IMPACTS...Heavy rainfall over the Grizzly Creek Fire Burn Area is
  expected up to and during the period of the watch. Residents near
  the Grizzly Creek Fire Burn Area should prepare for potential
  flooding impacts. Be sure to stay up to date with information from
  local authorities. Heavy rainfall could trigger flash flooding of
  low-lying areas, urbanized street flooding, and debris flows in
  and near recent wildfire burn scars.

* ADDITIONAL DETAILS...
  - National Weather Service Meteorologists are monitoring the
    potential for heavy rainfall over the Grizzly Creek Fire Burn
    Area, which may lead to flash flooding and debris flows.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

NL



U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
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Page last modified: May 16, 2007
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