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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Grand Junction CO
435 AM MDT Thu Jun 21 2018

COZ001>014-017>023-UTZ022>025-027>029-221045-
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-
435 AM MDT Thu Jun 21 2018

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

.DAY ONE...Today and Tonight

An approaching cold front will bring breezy winds and low
relative humidity resulting in critical fire weather conditions
for portions of northwest Colorado. A Red Flag Warning is in
effect from 10 AM to 8 PM MDT for much of Moffat and western Rio
Blanco counties. In addition, isolated thunderstorms are possible
over the northern mountains this afternoon and evening.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

There is the potential for critical conditions to redevelop
Friday afternoon and evening across northwest Colorado, northeast
Utah and much of southwest Colorado. Therefore, a Fire Weather
Watch remains in effect from late Friday morning through Friday
evening for the areas listed. Isolated to scattered thunderstorms
are possible again Friday afternoon and evening over the northern
and central Colorado mountains.

Scattered thunderstorms and cooler conditions are possible Sunday
and Monday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$




Red Flag Warning

URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Junction CO
225 PM MDT Thu Jun 21 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
IN NORTHWEST COLORADO FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND
DRY FUELS FOR FIRE WEATHER ZONES 200 AND 202...

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 9 PM MDT FRIDAY FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR COLORADO FIRE
WEATHER ZONES 200, 202, 203, 205 BELOW 7500 FEET, 207, 290, 291,
292, 293, 294 AND 295, AND UTAH FIRE ZONES 486 AND 487 BELOW 7000
FEET, AND 490 AND 491 BELOW 8000 FEET...

.An cold front approaching from the northwest will cause
southwest winds to frequently gust above 25 mph this afternoon
into the early evening hours over portions of northwest Colorado.
The stronger winds will combine with above normal temperatures and
low humidity to produce critical fire weather conditions in
Colorado zones 200 and 202.

On Friday, the trough and weak cold front will move through the
area generating more widespread critical fire weather conditions
across much of eastern Utah and western Colorado.

COZ205-220600-
/O.NEW.KGJT.FW.W.0021.180622T1600Z-180623T0300Z/
Colorado River Headwaters-
225 PM MDT Thu Jun 21 2018

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 9 PM MDT FRIDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 205 BELOW
7500 FEET...

The National Weather Service in Grand Junction has issued a Red
Flag Warning below 7500 feet for wind and low relative humidity,
which is in effect from 10 AM to 9 PM MDT Friday.

* AFFECTED AREA...In Colorado, Fire Weather Zone 205 Colorado
  River Headwaters below 7500 feet.

* WINDS...West 10 to 20 mph with gusts up to 30 mph.

* RELATIVE HUMIDITY...13 to 18 percent.

* IMPACTS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.

&&

$$



U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
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