Alert archive / Utah / High Wind Warnings in 2021

High Wind Warning 4, NWS Salt Lake City, UT

April 13, 2021Davis County, Weber County, Utah

NWS Salt Lake City, UT issued this high wind warning at Apr 13, 2021, 8:55 AM MDT for Davis County, Weber County, Utah. It was in force for 3 hr. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 13, 2021, 8:55 AM MDT (14:55 UTC)
Expired
Apr 13, 2021, 12:00 PM MDT
In force
3 hr
Issued by
NWS Salt Lake City, UT

Counties Davis County, UT, Weber County, UT

The radar

The Salt Lake City radar (KMTX), 39 km from the middle of the area, began a volume at 14:57 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.

What was reported inside it

TimeReportWhereRemark
Apr 13, 9:10 AM MDTNON-TSTM WND GST 72Farmington, UTUS-89 AT PARK LANE - 4288 FT
Apr 13, 9:20 AM MDTNON-TSTM WND GST 74South Weber, UTUS-89 AT WEBER CANYON - 4546 FT

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Salt Lake City I, UT (KSLC), launched 12:00Z, 2.9 hours before the alert went out and 40 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 12:00Z on 2021-04-13Temperature 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 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 12:00Z on 2021-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 square meters per square second.19395878Sfc1 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
2293 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

598 
WWUS75 KSLC 131455
NPWSLC

URGENT - WEATHER MESSAGE
National Weather Service Salt Lake City UT
855 AM MDT Tue Apr 13 2021

UTZ104-132300-
/O.UPG.KSLC.WI.Y.0013.000000T0000Z-210413T1800Z/
/O.NEW.KSLC.HW.W.0004.210413T1455Z-210413T1800Z/
/O.CON.KSLC.HW.W.0003.210414T0000Z-210414T1500Z/
Northern Wasatch Front-
Including the cities of Ogden and Bountiful
855 AM MDT Tue Apr 13 2021

...HIGH WIND WARNING IN EFFECT UNTIL NOON MDT TODAY...
...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
9 AM MDT WEDNESDAY...

* WHAT...For the first High Wind Warning through noon today, east
  winds 25 to 35 mph with gusts in excess of 60 mph. For the
  second High Wind Warning from 6 PM this evening until noon
  Wednesday, east winds 30 to 40 mph with gusts in excess of 65
  mph expected.

* WHERE...Northern Wasatch Front, especially the I-15 corridor and
  the US-89 corridor between Farmington and South Weber.

* WHEN...For the first High Wind Warning, until noon MDT today. 
  For the second High Wind Warning, from 6 PM this evening to 9 
  AM MDT Wednesday.

* IMPACTS...High winds may move loose debris, damage property 
  and cause power outages. Travel will be difficult especially 
  for high profile vehicles.

* ADDITIONAL DETAILS...Secure outdoor furniture, trampolines, farm
  equipment, and other objects that may become airborne in strong
  winds. Strong crosswinds are expected on north to south running
  routes including I-15, US-89, and the Legacy Parkway.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

UTZ103-107-132300-
/O.CON.KSLC.HW.W.0003.210414T0000Z-210414T1800Z/
/O.CON.KSLC.WI.Y.0013.000000T0000Z-210413T1800Z/
Eastern Box Elder County-Cache Valley/Utah Portion-
Including the cities of Brigham City, Snowville, Logan, 
and Smithfield
855 AM MDT Tue Apr 13 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY...
...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
NOON MDT WEDNESDAY...

* WHAT...For the High Wind Warning from 6 PM today until noon
  Wednesday, east winds 30 to 40 mph with gusts in excess of 70
  mph expected. For the Wind Advisory through noon today, east
  winds 20 to 30 mph with gusts up to 50 mph.

* WHERE...Cache Valley/Utah Portion and Eastern Box Elder County,
  particularly the I-15 corridor.

* WHEN...For the High Wind Warning, from 6 PM this evening to 
  noon MDT Wednesday. For the Wind Advisory, until noon MDT 
  today.

* IMPACTS...High winds may move loose debris, damage property 
  and cause power outages. Travel will be difficult especially 
  for high profile vehicles.

* ADDITIONAL DETAILS...Secure outdoor furniture, trampolines, farm
  equipment, and other objects that may become airborne in strong
  winds. Strong crosswinds are expected on north to south running
  routes including I-15, US-89, and US-91.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

UTZ109-132300-
/O.CON.KSLC.HW.W.0003.210414T0000Z-210414T1500Z/
Bear Lake and Bear River Valley-
Including the cities of Woodruff, Randolph, and Garden City
855 AM MDT Tue Apr 13 2021

...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
9 AM MDT WEDNESDAY...

* WHAT...East winds 30 to 40 mph with gusts in excess of 60 mph 
  expected.

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

* WHEN...From 6 PM this evening to 9 AM MDT Wednesday.

* IMPACTS...High winds may move loose debris, damage property 
  and cause power outages. Travel will be difficult especially 
  for high profile vehicles.

* ADDITIONAL DETAILS...Secure outdoor furniture, trampolines, 
  farm equipment, and other objects that may become airborne in 
  strong winds. Strong crosswinds are expected on north to south 
  running routes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WYZ021-132300-
/O.CON.KSLC.HW.W.0003.210414T0000Z-210414T1500Z/
Southwest Wyoming-
Including the cities of Evanston and Lyman
855 AM MDT Tue Apr 13 2021

...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
9 AM MDT WEDNESDAY...

* WHAT...East winds 30 to 40 mph with gusts in excess of 60 mph 
  expected.

* WHERE...Southwest Wyoming. The strongest winds will be in
  western Uinta county. 

* WHEN...From 6 PM this evening to 9 AM MDT Wednesday.

* IMPACTS...High winds may move loose debris, damage property 
  and cause power outages. Travel will be difficult especially 
  for high profile vehicles.

* ADDITIONAL DETAILS...Secure outdoor furniture, trampolines, 
  farm equipment, and other objects that may become airborne in 
  strong winds. Strong crosswinds are expected on north to south 
  running routes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

UTZ108-132300-
/O.CON.KSLC.WI.Y.0014.210414T0000Z-210414T1500Z/
Wasatch Back-
Including the cities of Huntsville, Park City, and Heber City
855 AM MDT Tue Apr 13 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 9 AM
MDT WEDNESDAY...

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

* WHERE...Wasatch Back, mainly north of I-80.

* WHEN...From 6 PM this evening to 9 AM MDT Wednesday.

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

* ADDITIONAL DETAILS...Secure outdoor furniture, trampolines, 
  farm equipment, and other objects that may become airborne in 
  strong winds. Strong crosswinds are expected on north to south 
  running routes.

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

The office that day

Everything else NWS Salt Lake City, UT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 12, 8:12 PM MDTHigh Wind WatchSLCBox Elder, Cache, Davis, Weber7 hr
Apr 13, 2:47 AM MDTHigh Wind WarningSLCBox Elder, Cache, Davis, Rich, Weber33 hr
Apr 13, 2:47 AM MDTWind AdvisorySLCMorgan, Salt Lake, Summit, Wasatch, Weber30 hr

Nearby

High Wind Warnings in Utah, 2021Every high wind warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.