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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Salt Lake City UT
455 AM MDT Tue Jun 15 2021

UTZ101>131-WYZ021-161100-
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-
455 AM MDT Tue Jun 15 2021

This Hazardous Weather Outlook is for portions of central Utah...
northern Utah...southern Utah...southwest Utah and southwest
Wyoming.

.DAY ONE...Today and Tonight

Critical fire weather conditions will develop once again today
across all but far southern and southeast Utah due to gusty winds
and very low humidity values.

A multi day heatwave will continue today with temperatures
remaining around 15 to 20 degrees above climatological normals
for mid June. Record breaking temperatures remain in the forecast
for many locations. This will increase the risk of heat related
illnesses.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Well above normal temperatures are forecast to continue across
Utah and southwest Wyoming through Saturday, with the most
extreme heat shifting to central and southern Utah through the
week.

Isolated thunderstorms are possible across southern Utah from
Wednesday through Saturday. These will be capable of causing gusty
outflow winds and may increase the potential for new fire starts.

.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



Red Flag Warning

URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
307 AM MDT Tue Jun 15 2021

UTZ478-492-493-495-496-152200-
/O.CON.KSLC.FW.W.0015.000000T0000Z-210616T0400Z/
Salt Lake Desert-Central Utah West Desert-Central Utah Mountains-
Color Country West Desert-Color Country Mountains-
307 AM MDT Tue Jun 15 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS
EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE
478...

* AFFECTED AREA...Fire Weather Zone 478 Salt Lake Desert, Fire
  Weather Zone 492 Central Utah West Desert, Fire Weather Zone
  493 Central Utah Mountains, Fire Weather Zone 495 Color
  Country West Desert and Fire Weather Zone 496 Color Country
  Mountains.

* WINDS...South-southwest 10 to 20 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...As low as 3 percent.

* TEMPERATURE...Record challenging heat with readings about 15
  degrees above average.

* IMPACTS...Critical fire weather conditions are possible. Any
  new fire starts or existing fires may spread rapidly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$



U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
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