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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Salt Lake City UT
335 PM MDT Sun Aug 1 2021

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-
335 PM MDT Sun Aug 1 2021

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

.DAY ONE...This Afternoon and Tonight

Showers and thunderstorms capable of producing very heavy rain
and gusty winds are expected again this afternoon and evening
across the outlook area. A Flash Flood Watch is in effect for
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.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

The moist airmass will remain in place through Monday, when
another round of showers and thunderstorms capable of producing
locally heavy rain and strong gusty winds is expected.

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


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...

For information on potential road travel impacts visit...

Flash Flood Watch

Flood Watch
National Weather Service Salt Lake City UT
920 AM MDT Sun Aug 1 2021

Utah Valley-Wasatch Mountains South of I-80-Wasatch Plateau/Book
Cliffs-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-
Including the cities of Loa, Salina, Lehi, Mt Pleasant, Hurricane,
Provo, Springdale, Panguitch, St George, Scofield, Ivins, Ephraim,
Richfield, Milford, Scipio, Alton, Price, Torrey, Manti, Cedar City,
Delta, Brighton, Koosharem, Fish Lake, Emery, Alta, Bryce Canyon
City, Payson, Nephi, Circleville, Green River, Escalante, Beaver,
Cove Fort, Hanksville, Fillmore, Kanab, Goblin Valley, Bullfrog,
Indian Canyon, Castle Dale, Little Sahara, Brian Head, Joes Valley,
and Big Water
920 AM MDT Sun Aug 1 2021


The Flash Flood Watch continues for

* A portion of Utah, including the following areas, Castle Country,
  Central Mountains, Eastern Juab/Millard Counties, San Rafael
  Swell, Sanpete Valley, Sevier Valley, Wasatch Plateau/Book Cliffs,
  Western Millard and Juab Counties, Utah Valley, Wasatch Mountains
  South of I-80, Bryce Canyon Country, Capitol Reef National Park
  and Vicinity, Glen Canyon Recreation Area/Lake Powell, South
  Central Utah, Southern Mountains, Upper Sevier River Valleys,
  Western Canyonlands, Lower Washington County, Southwest Utah and
  Zion National Park.

* Through this evening.

* Thunderstorms capable of producing torrential rainfall are
  expected this afternoon and evening across central and southern

* 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


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




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Silver Spring, MD 20910
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