Alert archive / Utah / High Wind Watches in 2021

High Wind Watch 7, NWS Salt Lake City, UT

October 22, 202115 counties in Utah

NWS Salt Lake City, UT issued this high wind watch at Oct 22, 2021, 2:38 AM MDT for 15 counties in Utah. It took effect at Oct 25, 2021, 3:00 AM MDT. It was in force for .

The area

The counties it named.

The facts

Issued
Oct 22, 2021, 2:38 AM MDT (08:38 UTC)
In effect from
Oct 25, 2021, 3:00 AM MDT
Expired
Oct 24, 2021, 4:23 AM MDT
In force
Issued by
NWS Salt Lake City, UT

Counties Beaver County, UT, Box Elder County, UT, Cache County, UT, Davis County, UT, Iron County, UT, Juab County, UT, Millard County, UT, Morgan County, UT, Rich County, UT, Salt Lake County, UT, Summit County, UT, Tooele County, UT, Utah County, UT, Washington County, UT, Weber County, UT

The radar

The Salt Lake City radar (KMTX), 121 km from the middle of the area, began a volume at 08:41 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Salt Lake City I, UT (KSLC), launched 00:00Z, 8.6 hours before the alert went out and 77 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Salt Lake City I, UT at 00:00Z on 2021-10-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Salt Lake City I, UT at 00:00Z on 2021-10-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2175 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

456 
WWUS75 KSLC 220838
NPWSLC

URGENT - WEATHER MESSAGE
National Weather Service Salt Lake City UT
238 AM MDT Fri Oct 22 2021

UTZ101-102-115-122-221645-
/O.NEW.KSLC.HW.A.0007.211025T0900Z-211026T0300Z/
Great Salt Lake Desert and Mountains-Tooele and Rush Valleys-
Western Millard and Juab Counties-Southwest Utah-
Including the cities of Wendover, Dugway, Park Valley, Tooele, 
Grantsville, Vernon, Delta, Little Sahara, Beaver, Cedar City, 
and Milford
238 AM MDT Fri Oct 22 2021

...HIGH WIND WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH
MONDAY EVENING...

* WHAT...Southwest winds 25 to 35 mph with gusts 55 to 65 mph 
  possible. Areas of blowing dust possible.

* WHERE...Great Salt Lake Desert and Mountains mainly along and
  south of I-80, Tooele and Rush Valleys, Western Millard and 
  Juab Counties and Southwest Utah.

* WHEN...From late Sunday night through Monday evening.

* IMPACTS...High winds may move loose debris, damage property and
  cause power outages. Travel could be difficult especially for
  high profile vehicles. Areas of blowing dust may result in poor
  visibility for motorists. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

For more information from NOAA/National Weather Service visit...
http://weather.gov/saltlakecity

For information on potential travel impacts visit...
http://udottraffic.utah.gov/roadweatherforecast.aspx
4 follow-up statements
182 
WWUS75 KSLC 222042
NPWSLC

URGENT - WEATHER MESSAGE
National Weather Service Salt Lake City UT
242 PM MDT Fri Oct 22 2021

UTZ104-105-110-231200-
/O.EXB.KSLC.HW.A.0007.211025T1500Z-211026T0300Z/
Northern Wasatch Front-Salt Lake Valley-Wasatch Mountains I-
80 North-
Including the cities of Ogden, Bountiful, Salt Lake City, 
West Jordan, Sandy, Mantua, and Logan Summit
242 PM MDT Fri Oct 22 2021

...HIGH WIND WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
EVENING...

* WHAT...Southwest winds 25 to 35 mph with gusts up to 45 to 55
  mph possible. Areas of blowing dust possible.

* WHERE...Northern Wasatch Front, Salt Lake Valley and Wasatch 
  Mountains I-80 North.

* WHEN...From 9 AM MDT Monday morning through 9 PM MDT Monday 
  evening.

* IMPACTS...High winds may move loose objects, damage property and
  cause power outages. Travel could be difficult especially for
  high profile vehicles due to strong crosswinds along Interstate
  80. Areas of blowing dust may result in poor visibility for
  motorists.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

UTZ101-102-115-122-231200-
/O.CON.KSLC.HW.A.0007.211025T0900Z-211026T0300Z/
Great Salt Lake Desert and Mountains-Tooele and Rush Valleys-
Western Millard and Juab Counties-Southwest Utah-
Including the cities of Wendover, Dugway, Park Valley, Tooele, 
Grantsville, Vernon, Delta, Little Sahara, Beaver, Cedar City, 
and Milford
242 PM MDT Fri Oct 22 2021

...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT
THROUGH MONDAY EVENING...

* WHAT...Southwest winds 25 to 35 mph with gusts 55 to 65 mph 
  possible. Areas of blowing dust possible.

* WHERE...Great Salt Lake Desert and Mountains mainly along and 
  south of I-80, Tooele and Rush Valleys, Western Millard and 
  Juab Counties and Southwest Utah.

* WHEN...From 9 PM MDT Sunday evening through 9 PM MDT Monday 
  evening.

* IMPACTS...High winds may move loose objects, damage property and
  cause power outages. Travel could be difficult especially for
  high profile vehicles along US Highway 50 due to strong
  crosswinds. Areas of blowing dust may result in poor visibility
  for motorists.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

For more information from NOAA/National Weather Service visit...
http://weather.gov/saltlakecity

For information on potential travel impacts visit...
http://udottraffic.utah.gov/roadweatherforecast.aspx
628 
WWUS75 KSLC 231002
NPWSLC

URGENT - WEATHER MESSAGE
National Weather Service Salt Lake City UT
402 AM MDT Sat Oct 23 2021

UTZ101-102-115-122-232300-
/O.CON.KSLC.HW.A.0007.211025T0900Z-211026T0300Z/
Great Salt Lake Desert and Mountains-Tooele and Rush Valleys-
Western Millard and Juab Counties-Southwest Utah-
Including the cities of Wendover, Dugway, Park Valley, Tooele, 
Grantsville, Vernon, Delta, Little Sahara, Beaver, Cedar City, 
and Milford
402 AM MDT Sat Oct 23 2021

...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT
THROUGH MONDAY EVENING...

* WHAT...Southwest winds 30 to 40 mph with gusts 55 to 65 mph
  possible. Areas of blowing dust possible.

* WHERE...Western Millard and Juab Counties, Tooele and Rush
  Valleys, Great Salt Lake Desert and Mountains mainly along and
  south of I-80, and Southwest Utah.

* WHEN...From late Sunday night through Monday evening.

* IMPACTS...High winds may move loose objects, damage property and
  cause power outages. Travel could be difficult especially for
  high profile vehicles along US Highway 50, and I-80 between
  Wendover and Salt Lake City due to strong crosswinds. Areas of
  blowing dust may result in poor visibility for motorists.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

UTZ104-105-110-232300-
/O.CON.KSLC.HW.A.0007.211025T1500Z-211026T0300Z/
Northern Wasatch Front-Salt Lake Valley-Wasatch Mountains I-
80 North-
Including the cities of Ogden, Bountiful, Salt Lake City, 
West Jordan, Sandy, Mantua, and Logan Summit
402 AM MDT Sat Oct 23 2021

...HIGH WIND WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH
MONDAY EVENING...

* WHAT...Southwest winds 25 to 35 mph with gusts 50 to 60 mph
  possible. Areas of blowing dust possible.

* WHERE...Northern Wasatch Front, Salt Lake Valley and Wasatch 
  Mountains I-80 North.

* WHEN...From Monday morning through Monday evening.

* IMPACTS...High winds may move loose objects, damage property and
  cause power outages. Travel could be difficult especially for
  high profile vehicles due to strong crosswinds along Interstate
  80. Areas of blowing dust may result in poor visibility for
  motorists.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

For more information from NOAA/National Weather Service visit...
http://weather.gov/saltlakecity

For information on potential travel impacts visit...
http://udottraffic.utah.gov/roadweatherforecast.aspx
914 
WWUS75 KSLC 232150
NPWSLC

URGENT - WEATHER MESSAGE
National Weather Service Salt Lake City UT
350 PM MDT Sat Oct 23 2021

UTZ101-102-115-122-241200-
/O.UPG.KSLC.HW.A.0007.211025T0900Z-211026T0300Z/
/O.NEW.KSLC.HW.W.0008.211025T0600Z-211026T0300Z/
Great Salt Lake Desert and Mountains-Tooele and Rush Valleys-
Western Millard and Juab Counties-Southwest Utah-
Including the cities of Wendover, Dugway, Park Valley, Tooele, 
Grantsville, Vernon, Delta, Little Sahara, Beaver, Cedar City, 
and Milford
350 PM MDT Sat Oct 23 2021

...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT SUNDAY NIGHT TO 9 PM
MDT MONDAY...

* WHAT...South winds 30 to 40 mph with gusts to around 60 mph 
  expected. 

* WHERE...Great Salt Lake Desert and Mountains, Tooele and Rush 
  Valleys, Western Millard and Juab Counties and Southwest Utah.

* WHEN...From midnight Sunday night to 9 PM MDT Monday.

* IMPACTS...High winds may move leaves, trash, holiday decorations
  and lightweight objects, damage property and cause power
  outages. Travel will be difficult especially for high profile
  vehicles due to strong crosswinds. Areas of blowing dust may
  result in poor visibility for motorists.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People are urged to secure loose objects that could be blown
around or damaged by the wind. Plan for strong crosswinds on east
to west routes.

&&

$$

UTZ104-105-110-241200-
/O.CON.KSLC.HW.A.0007.211025T1500Z-211026T0300Z/
Northern Wasatch Front-Salt Lake Valley-Wasatch Mountains I-
80 North-
Including the cities of Ogden, Bountiful, Salt Lake City, 
West Jordan, Sandy, Mantua, and Logan Summit
350 PM MDT Sat Oct 23 2021

...HIGH WIND WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH
MONDAY EVENING...

* WHAT...Southwest winds 25 to 35 mph with gusts 50 to 60 mph
  possible.

* WHERE...Northern Wasatch Front, Salt Lake Valley and Wasatch 
  Mountains I-80 North.

* WHEN...From Monday morning through Monday evening.

* IMPACTS...High winds may move loose objects, leaves, trash and 
  holiday decorations, damage property and cause power outages. 
  Travel could be difficult especially for high profile vehicles 
  due to strong crosswinds along Interstate 80. Areas of blowing 
  dust may result in poor visibility for motorists.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds. Plan for strong crosswinds on east
to west routes.

&&

$$

For more information from NOAA/National Weather Service visit...
http://weather.gov/saltlakecity

For information on potential travel impacts visit...
http://udottraffic.utah.gov/roadweatherforecast.aspx
367 
WWUS75 KSLC 241023
NPWSLC

URGENT - WEATHER MESSAGE
National Weather Service Salt Lake City UT
423 AM MDT Sun Oct 24 2021

UTZ101-102-115-122-241830-
/O.CON.KSLC.HW.W.0008.211025T0600Z-211026T0300Z/
Great Salt Lake Desert and Mountains-Tooele and Rush Valleys-
Western Millard and Juab Counties-Southwest Utah-
Including the cities of Wendover, Dugway, Park Valley, Tooele, 
Grantsville, Vernon, Delta, Little Sahara, Beaver, Cedar City, 
and Milford
423 AM MDT Sun Oct 24 2021

...HIGH WIND WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
9 PM MDT MONDAY...

* WHAT...South winds 30 to 40 mph with gusts up to 70 mph 
  expected. Areas of blowing dust possible.

* WHERE...Western Millard and Juab Counties, Tooele and Rush 
  Valleys, Great Salt Lake Desert and Mountains and Southwest 
  Utah.

* WHEN...From midnight tonight to 9 PM MDT Monday.

* IMPACTS...High winds may move leaves, trash, holiday decorations
  and lightweight objects, and cause damage property and power
  outages. Travel will be difficult especially for high profile
  vehicles due to strong crosswinds. Areas of blowing dust may
  result in poor visibility for motorists.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People are urged to secure loose objects that could be blown
around or damaged by the wind.

&&

$$

UTZ104-105-241830-
/O.UPG.KSLC.HW.A.0007.211025T1500Z-211026T0300Z/
/O.NEW.KSLC.WI.Y.0033.211025T0900Z-211026T0300Z/
Northern Wasatch Front-Salt Lake Valley-
Including the cities of Ogden, Bountiful, Salt Lake City, 
West Jordan, and Sandy
423 AM MDT Sun Oct 24 2021

...WIND ADVISORY IN EFFECT FROM 3 AM TO 9 PM MDT MONDAY...

* WHAT...South winds 25 to 35 mph with gusts up to 55 mph
  expected.

* WHERE...Northern Wasatch Front and Salt Lake Valley.

* WHEN...From 3 AM to 9 PM MDT Monday.

* IMPACTS...Gusty winds could blow around unsecured objects. A few
  power outages are possible. Travel may be difficult for high
  profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

UTZ110-241830-
/O.UPG.KSLC.HW.A.0007.211025T1500Z-211026T0300Z/
/O.NEW.KSLC.WI.Y.0033.211025T0600Z-211026T0300Z/
Wasatch Mountains I-80 North-
Including the cities of Mantua and Logan Summit
423 AM MDT Sun Oct 24 2021

...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 PM MDT
MONDAY...

* WHAT...South winds 25 to 35 mph with gusts up to 60 mph
  expected, with locally higher ridgetop winds.

* WHERE...Wasatch Mountains I-80 North.

* WHEN...From midnight tonight to 9 PM MDT Monday.

* IMPACTS...Gusty winds could blow around unsecured objects. A few
  power outages are possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

UTZ108-109-241830-
/O.NEW.KSLC.WI.Y.0033.211025T0900Z-211026T0300Z/
Wasatch Back-Bear Lake and Bear River Valley-
Including the cities of Huntsville, Park City, Heber City, 
Woodruff, Randolph, and Garden City
423 AM MDT Sun Oct 24 2021

...WIND ADVISORY IN EFFECT FROM 3 AM TO 9 PM MDT MONDAY...

* WHAT...South winds 20 to 30 mph with gusts up to 55 mph 
  expected.

* WHERE...Wasatch Back and Bear Lake and Bear River Valley.

* WHEN...From 3 AM to 9 PM MDT Monday.

* IMPACTS...Gusty winds could blow around unsecured objects. A few
  power outages are possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

UTZ111-241830-
/O.NEW.KSLC.WI.Y.0033.211025T0600Z-211026T0300Z/
Wasatch Mountains South of I-80-
Including the cities of Alta and Brighton
423 AM MDT Sun Oct 24 2021

...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 PM MDT
MONDAY...

* WHAT...South winds 20 to 30 mph with gusts up to 60 mph
  expected, with locally higher ridgetop winds.

* WHERE...Wasatch Mountains South of I-80.

* WHEN...From midnight tonight to 9 PM MDT Monday.

* IMPACTS...Gusty winds could blow around unsecured objects. A few
  power outages are possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

UTZ116-119-126-127-241830-
/O.NEW.KSLC.WI.Y.0033.211025T0900Z-211026T0300Z/
Eastern Juab/Millard Counties-Sevier Valley-
Upper Sevier River Valleys-Bryce Canyon Country-
Including the cities of Nephi, Scipio, Fillmore, Richfield, 
Salina, Panguitch, Circleville, Koosharem, and Bryce Canyon City
423 AM MDT Sun Oct 24 2021

...WIND ADVISORY IN EFFECT FROM 3 AM TO 9 PM MDT MONDAY...

* WHAT...South winds 20 to 30 mph with gusts up to 55 mph 
  expected.

* WHERE...Eastern Juab/Millard Counties, Sevier Valley, Upper 
  Sevier River Valleys and Bryce Canyon Country.

* WHEN...From 3 AM to 9 PM MDT Monday.

* IMPACTS...Gusty winds could blow around unsecured objects. A few
  power outages are possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

For more information from NOAA/National Weather Service visit...
http://weather.gov/saltlakecity

For information on potential travel impacts visit...
http://udottraffic.utah.gov/roadweatherforecast.aspx

Nearby

High Wind Watches in Utah, 2021Every high wind watch in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.