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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Salt Lake City UT
450 AM MDT Mon Aug 2 2021

UTZ101>131-WYZ021-031100-
Great Salt Lake Desert and Mountains-Tooele and Rush Valleys-
Eastern Box Elder County-Northern Wasatch Front-Salt Lake Valley-
Utah Valley-Cache Valley/Utah Portion-Wasatch Back-
Bear Lake and Bear River Valley-Wasatch Mountains I-80 North-
Wasatch Mountains South of I-80-Western Uinta Mountains-
Wasatch Plateau/Book Cliffs-Western Uinta Basin-
Western Millard and Juab Counties-Eastern Juab/Millard Counties-
Central Mountains-Sanpete Valley-Sevier Valley-Castle Country-
San Rafael Swell-Southwest Utah-Lower Washington County-
Zion National Park-Southern Mountains-Upper Sevier River Valleys-
Bryce Canyon Country-South Central Utah-
Capitol Reef National Park and Vicinity-Western Canyonlands-
Glen Canyon Recreation Area/Lake Powell-Southwest Wyoming-
450 AM MDT Mon Aug 2 2021

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

.DAY ONE...Today and Tonight

Showers and thunderstorms capable of producing heavy rain and
gusty winds are expected again this afternoon and early evening
across the outlook area. A Flash Flood Watch is in effect for
portions of central and southern Utah, where flash flooding is
possible especially in prone areas such as slot canyons, burn
scars, areas of steep terrain, small streams, and normally dry
washes. See the Flash Flood Watch product for additional
information.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Drier and warmer air will move into the area beginning Tuesday,
and remain in place through the remainder of the week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed. Please relay any information
about observed severe weather to the NWS while following all
local, state, and CDC guidelines.

$$

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



Flash Flood Watch

Flood Watch
National Weather Service Salt Lake City UT
944 AM MDT Mon Aug 2 2021

UTZ108>110-112-114-118>121-125>128-130-131-WYZ021-022345-
/O.EXA.KSLC.FF.A.0012.210802T1800Z-210803T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Wasatch Back-Bear Lake and Bear River Valley-Wasatch Mountains I-
80 North-Western Uinta Mountains-Western Uinta Basin-Sanpete Valley-
Sevier Valley-Castle Country-San Rafael Swell-Southern Mountains-
Upper Sevier River Valleys-Bryce Canyon Country-South Central Utah-
Western Canyonlands-Glen Canyon Recreation Area/Lake Powell-
Southwest Wyoming-
Including the cities of Moon Lake, Castle Dale, Salina, Lyman,
Woodruff, Mt Pleasant, Evanston, Panguitch, Goblin Valley, Mirror
Lake Highway, Richfield, Ephraim, Alton, Huntsville, Price, Manti,
Garden City, Mantua, Koosharem, Logan Summit, Emery, Roosevelt,
Bryce Canyon City, Duchesne, Green River, Escalante, Circleville,
Hanksville, Kanab, Bullfrog, Heber City, Park City, Brian Head,
Randolph, and Big Water
944 AM MDT Mon Aug 2 2021

...FLASH FLOOD WATCH IN EFFECT UNTIL 9 PM MDT THIS EVENING...

The National Weather Service in Salt Lake City has expanded the

* Flash Flood Watch to include portions of Utah and Wyoming,
  including the following areas, in Utah, Bear Lake and Bear River
  Valley, Bryce Canyon Country, Castle Country, Glen Canyon
  Recreation Area/Lake Powell, San Rafael Swell, Sanpete Valley,
  Sevier Valley, South Central Utah, Southern Mountains, Upper
  Sevier River Valleys, Wasatch Back, Wasatch Mountains I-80 North,
  Western Canyonlands, Western Uinta Basin and Western Uinta
  Mountains. In Wyoming, Southwest Wyoming.

* Until 9 PM MDT this evening.

* Thunderstorms capable of producing torrential rainfall are
  expected this afternoon and early evening on top of already
  saturated soil.

* Heavy rainfall may result in flash flooding, especially in slot
  canyons, slickrock areas, small streams and normally dry washes,
  and urban areas. Debris flows are also possible near recent burn
  scars.

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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