Alert archive / Nevada / Wind Advisories in 2021

Wind Advisory 26, NWS Las Vegas, NV

May 21, 2021Clark County, Nevada; San Bernardino County, California; Mohave County, Arizona

NWS Las Vegas, NV issued this wind advisory at May 21, 2021, 3:14 AM PDT for Clark County, Nevada; San Bernardino County, California; Mohave County, Arizona. It took effect at May 21, 2021, 11:00 AM PDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
May 21, 2021, 3:14 AM PDT (10:14 UTC)
In effect from
May 21, 2021, 11:00 AM PDT
Expired
May 21, 2021, 8:00 PM PDT
In force
9 hr
Issued by
NWS Las Vegas, NV

Counties Mohave County, AZ, San Bernardino County, CA, Clark County, NV

The radar

The Las Vegas radar (KESX), 15 km from the middle of the area, began a volume at 10:19 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, 10.2 hours before the alert went out and 101 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 2021-05-21Temperature 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 2021-05-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 square meters per square second.1939587897117136Sfc1 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
5952 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
15 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

356 
WWUS75 KVEF 211014
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
314 AM PDT Fri May 21 2021

AZZ001-003-036-CAZ523-524-NVZ021-022-212200-
/O.NEW.KVEF.WI.Y.0026.210521T1800Z-210522T0300Z/
Northwest Plateau-Northwest Deserts-
Lake Mead National Recreation Area-Western Mojave Desert-
Eastern Mojave Desert-Southern Clark County-
Including Colorado City, Pipe Spring National Monument, Tuweep, 
Mt Trumbull, Western Grand Canyon, Kingman, Golden Valley, 
Dolan Springs, Valentine, Wikieup, Yucca, Bullhead City, Oatman, 
Mohave Valley, Barstow, Daggett, Fort Irwin, Baker, 
Mountain Pass, Mitchell Caverns, Hoover Dam, Laughlin, Primm, 
Searchlight, and Cal-Nev-Ari
314 AM PDT Fri May 21 2021 /314 AM MST Fri May 21 2021/

...WIND ADVISORY IN EFFECT FROM 11 AM PDT /11 AM MST/ THIS
MORNING TO 8 PM PDT /8 PM MST/ THIS EVENING...

* WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph 
  expected.

* WHERE...Portions of San Bernardino County in California,
  southern Clark County in Nevada and Mohave County in Arizona.

* WHEN...From 11 AM PDT /11 AM MST/ this morning to 8 PM PDT /8 
  PM MST/ this evening.

* IMPACTS...Gusty winds will make driving difficult for high
  profile vehicles, blow around unsecured objects and produce
  hazardous boating conditions on Lake Mead and Lake Mohave.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects. Boaters in the Wind 
Advisory area should postpone plans or use extreme caution when 
venturing onto area lakes. 

&&

$$

For more information from the National Weather Service visit
https://weather.gov/lasvegas
2 follow-up statements
624 
WWUS75 KVEF 212135
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
235 PM PDT Fri May 21 2021

AZZ001-003-036-CAZ523-524-NVZ021-022-220300-
/O.CON.KVEF.WI.Y.0026.000000T0000Z-210522T0300Z/
Northwest Plateau-Northwest Deserts-
Lake Mead National Recreation Area-Western Mojave Desert-
Eastern Mojave Desert-Southern Clark County-
Including Colorado City, Pipe Spring National Monument, Tuweep, 
Mt Trumbull, Western Grand Canyon, Kingman, Golden Valley, 
Dolan Springs, Valentine, Wikieup, Yucca, Bullhead City, Oatman, 
Mohave Valley, Barstow, Daggett, Fort Irwin, Baker, 
Mountain Pass, Mitchell Caverns, Hoover Dam, Laughlin, Primm, 
Searchlight, and Cal-Nev-Ari
235 PM PDT Fri May 21 2021 /235 PM MST Fri May 21 2021/

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ THIS
EVENING...

* WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph 
  expected.

* WHERE...Portions of San Bernardino County in California, 
  southern Clark County in Nevada and Mohave County in Arizona.

* WHEN...until 8 PM PDT /8 PM MST/ this evening.

* IMPACTS...Gusty winds will make driving difficult for high 
  profile vehicles, blow around unsecured objects and produce 
  hazardous boating conditions on Lake Mead and Lake Mohave.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

For more information from the National Weather Service visit
https://weather.gov/lasvegas
942 
WWUS75 KVEF 220247
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
747 PM PDT Fri May 21 2021

AZZ001-003-036-CAZ523-524-NVZ021-022-220400-
/O.EXP.KVEF.WI.Y.0026.000000T0000Z-210522T0300Z/
Northwest Plateau-Northwest Deserts-
Lake Mead National Recreation Area-Western Mojave Desert-
Eastern Mojave Desert-Southern Clark County-
Including Colorado City, Pipe Spring National Monument, Tuweep, 
Mt Trumbull, Western Grand Canyon, Kingman, Golden Valley, 
Dolan Springs, Valentine, Wikieup, Yucca, Bullhead City, Oatman, 
Mohave Valley, Barstow, Daggett, Fort Irwin, Baker, 
Mountain Pass, Mitchell Caverns, Hoover Dam, Laughlin, Primm, 
Searchlight, and Cal-Nev-Ari
747 PM PDT Fri May 21 2021 /747 PM MST Fri May 21 2021/

...WIND ADVISORY WILL EXPIRE AT 8 PM PDT /8 PM MST/ THIS
EVENING...

Winds have decreased below criteria this evening. Therefore, the
Wind Advisory will be allowed to expire on time. Breezy conditions
will continue through late tonight with gusts of 20 to 35 mph. 

$$

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

Nearby

Wind Advisories in Nevada, 2021Wind Advisories in California, 2021Wind Advisories in Arizona, 2021Every wind advisory 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.