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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Salt Lake City UT
413 PM MDT Fri Jul 23 2021

UTZ101>131-WYZ021-250000-
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-
413 PM MDT Fri Jul 23 2021

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

.DAY ONE...Tonight

Showers and thunderstorms capable of producing heavy rain, gusty
winds, and small hail will once again occur late this afternoon
and evening. The strongest storms are expected across southern
Utah where a potential for flash flooding exists, especially in
prone areas such as slot canyons, burn scars, areas of steep
terrain, and normally dry washes and streams.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Daily showers and thunderstorms capable of heavy rain, gusty
winds and small hail will occur each afternoon and evening over
mainly southern Utah Saturday and Sunday before spreading north
again for the first half of the upcoming 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
859 AM MDT Fri Jul 23 2021

UTZ124-125-128-240400-
/O.CON.KSLC.FF.A.0006.210723T1800Z-210724T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Zion National Park-Southern Mountains-South Central Utah-
Including the cities of Brian Head, Springdale, Escalante, Kanab,
and Alton
859 AM MDT Fri Jul 23 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM NOON MDT TODAY THROUGH
THIS EVENING...

The Flash Flood Watch continues for

* A portion of Utah, including the following areas, South Central
  Utah, Southern Mountains and Zion National Park.

* From Noon MDT today through this evening.

* Heavy rainfall may result in flash flooding, especially in burn
  scars, slot canyons, and normally dry washes and streams.

* Thunderstorms capable of heavy rainfall are expected to develop
  over the southern Utah mountains this afternoon and move south
  down sensitive drainages and slot canyons across south-central and
  southwest Utah.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MS



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