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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Salt Lake City UT
555 AM MDT Thu Sep 21 2017

UTZ001>016-019>021-517-518-WYZ021-221200-
Cache Valley/Utah Portion-Northern Wasatch Front-
Salt Lake and Tooele Valleys-Southern Wasatch Front-
Great Salt Lake Desert and Mountains-Wasatch Mountain Valleys-
Wasatch Mountains I-80 North-Wasatch Mountains South of I-80-
Western Uinta Mountains-Wasatch Plateau/Book Cliffs-
Western Uinta Basin-Castle Country-San Rafael Swell-
Sanpete/Sevier Valleys-West Central Utah-Southwest Utah-
Utahs Dixie and Zion National Park-South Central Utah-
Glen Canyon Recreation Area/Lake Powell-Central Mountains-
Southern Mountains-Southwest Wyoming-
555 AM MDT Thu Sep 21 2017

This Hazardous Weather Outlook is for the western two thirds of
Utah and southwest Wyoming.

.DAY ONE...Today and Tonight

A strong cold front will move slowly across the outlook area today
through tonight. This system will bring widespread valley rain
and mountain snow to the northern and western outlook area by
tonight with significant new snowfall at the higher elevations in
the northern and central mountains.

Gusty southwest winds ahead of the front will become strong
today and continue into this evening across the south and east.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Cool unsettled weather is expected Friday through the weekend.

Accumulating snow in the mountains is expected to taper off
Friday afternoon. Some additional accumulating snow is possible
again at the higher elevations Saturday into Sunday.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

$$

For more information from NOAA/s National Weather Service visit...
http://weather.gov/saltlakecity

For information on potential road travel impacts visit...
http://www.udottraffic.utah.gov/roadweatherforecast.aspx




Wind Advisory

URGENT - WEATHER MESSAGE
National Weather Service Salt Lake City UT
337 AM MDT Thu Sep 21 2017

UTZ013-015-016-019>021-212300-
/O.CON.KSLC.WI.Y.0019.170921T1800Z-170922T0300Z/
San Rafael Swell-West Central Utah-Southwest Utah-
Utahs Dixie and Zion National Park-South Central Utah-
Glen Canyon Recreation Area/Lake Powell-
Including the cities of Green River, Hanksville, Delta, Fillmore,
Beaver, Cedar City, Milford, St George, Kanab, Escalante,
and Bullfrog
337 AM MDT Thu Sep 21 2017

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING...

* AFFECTED AREA...West-central and southwest Utah, Utah`s Dixie
  and Zion National Park, south-central Utah, the Glen Canyon
  Recreation Area, and the San Rafael Swell.

* WINDS...Southwest winds 25-35 mph with gusts to 50 mph.

* TIMING...Winds increasing this morning, becoming strong and
  gusty by this afternoon. Winds will decrease this evening, while
  turning northwesterly across west-central and southwest Utah.

* IMPACTS...Crosswinds may impact travel along east-west routes
  such as Highway 50 across western Utah, Highway 89 across far
  southern Utah, I-70 across the San Rafael Swell, and portions of
  I-15 across southwest Utah. Occasional reductions in visibility
  may be possible in blowing dust. These winds will create very
  choppy water on area lakes including Lake Powell, and generate
  large waves which could capsize or swamp small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained wind speeds of at least
31 mph or gusts of 45 mph are expected. Motorists in the advisory
area should be prepared for sudden gusty cross winds which can
make driving difficult.

The strong winds will create dangerous boating conditions on area
lakes. These winds will create very choppy water and generate
large waves which could capsize or swamp small craft. For your
personal safety, operators of small craft are urged to postpone
their outings until the winds subside.

&&

$$

For more information from NOAA/National Weather Service visit...
http://weather.gov/saltlakecity

For information on potential travel impacts visit...
http://udottraffic.utah.gov/roadweatherforecast.aspx




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Page last modified: May 16, 2007
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