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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Salt Lake City UT
541 AM MST Thu Feb 20 2020

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-
541 AM MST Thu Feb 20 2020

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

.DAY ONE...Today and Tonight

Urban haze will increase today along the Wasatch Front, the
Wasatch Mountain Valleys, and through the Cache and Tooele

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Urban haze will continue to expand across most of the northern
Utah valley locations through Saturday. Areas of fog will also
form during the late night and morning hours, with the far
northern valleys the most likely areas to see fog.

The next storm system to impact the outlook area will track east
across northern Arizona and southern Utah late Saturday afternoon
through early Sunday. Precipitation with this storm will reach
into the southern Utah beginning Saturday afternoon, with the
heaviest precipitation expanding north and east across southern,
central, and eastern Utah Saturday night.

Significant amounts of rain and snow are expected with the
weekend storm. The southern and central mountains could see
accumulations exceeding a foot through early Sunday. Lower valleys
near the Arizona border could see significant rainfall totals
Saturday afternoon and evening. The higher valleys of western and
central Utah will initially receive rain, with some areas turning
to snow Saturday night. Accumulations in these valleys will not be
heavy, but could impact travel late Saturday night through early

The next storm system moving in from the northwest will bring
some precipitation along with cooler temperatures to the northern
portion of the outlook areas for Monday through Monday night.


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


For more information from NOAA/s National Weather Service visit...

For information on potential road travel impacts visit...

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
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