Alert archive / Utah / Wind Advisories in 2024

Wind Advisory 21, NWS Salt Lake City, UT

November 3, 2024Washington County, Utah

NWS Salt Lake City, UT issued this wind advisory at Nov 3, 2024, 1:50 AM MST for Washington County, Utah. It took effect at Nov 3, 2024, 12:00 PM MST. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued
Nov 3, 2024, 1:50 AM MST (08:50 UTC)
In effect from
Nov 3, 2024, 12:00 PM MST
Expired
Nov 4, 2024, 9:00 AM MST
In force
21 hr
Issued by
NWS Salt Lake City, UT

County Washington County, UT

The radar

The Cedar City radar (KICX), 66 km from the middle of the area, began a volume at 08:50 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

Las Vegas, NV (KVEF), launched 00:00Z, 8.8 hours before the alert went out and 207 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, Las Vegas, NV at 00:00Z on 2024-11-03Temperature 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, Las Vegas, NV at 00:00Z on 2024-11-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 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
2836 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
26 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

778 
WWUS75 KSLC 030850
NPWSLC

URGENT - WEATHER MESSAGE
National Weather Service Salt Lake City UT
150 AM MST Sun Nov 3 2024

UTZ123-040000-
/O.NEW.KSLC.WI.Y.0021.241103T1900Z-241104T1600Z/
Lower Washington County-
Including the following locations - Hurricane, Ivins, and St
George
150 AM MST Sun Nov 3 2024

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 9 AM MST MONDAY...

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

* WHERE...Lower Washington County near Black Ridge Canyon, including 
  Toquerville and Leeds. This does not include St George proper.

* WHEN...From noon today to 9 AM MST Monday.

* IMPACTS...Gusty winds will blow around unsecured objects and a few 
  power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles and vehicles with trailers. Use extra caution.

&&

$$

For more information from the National Weather Service visit 
https://weather.gov/saltlakecity.

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

MPS
2 follow-up statements
410 
WWUS75 KSLC 040653
NPWSLC

URGENT - WEATHER MESSAGE
National Weather Service Salt Lake City UT
1153 PM MST Sun Nov 3 2024

UTZ123-041600-
/O.CON.KSLC.WI.Y.0021.000000T0000Z-241104T1600Z/
Lower Washington County-
Including the following locations - St George, Hurricane, and
Ivins
1153 PM MST Sun Nov 3 2024

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST MONDAY...

* WHAT...North to northeast winds 20 to 30 mph with gusts up to 55 
  mph expected, strongest in Black Ridge Canyon.

* WHERE...Lower Washington County.

* WHEN...Until 9 AM MST Monday.

* IMPACTS...Gusty winds will blow around unsecured objects and a few 
  power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles and vehicles with trailers. Use extra caution.

&&

$$

For more information from the National Weather Service visit 
https://weather.gov/saltlakecity.

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

AD
886 
WWUS75 KSLC 041602
NPWSLC

URGENT - WEATHER MESSAGE
National Weather Service Salt Lake City UT
902 AM MST Mon Nov 4 2024

UTZ123-041715-
/O.EXP.KSLC.WI.Y.0021.000000T0000Z-241104T1600Z/
Lower Washington County-
Including the following locations - Ivins, St George, and
Hurricane
902 AM MST Mon Nov 4 2024

...WIND ADVISORY HAS EXPIRED...

Moderately gusty northeasterly gap winds gusting up to 30 to 40 mph 
will continue through much of today, but speeds have dropped versus 
last night and the advisory has been allowed to expire.

$$

For more information from the National Weather Service visit 
https://weather.gov/saltlakecity.

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

GM

Nearby

Wind Advisories in Utah, 2024Every wind advisory in 2024

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.