Alert archive / Nevada / High Wind Watches in 2021

High Wind Watch 5, NWS Las Vegas, NV

October 9, 2021Inyo County, San Bernardino County, California; Mohave County, Arizona; 4 counties in Nevada

NWS Las Vegas, NV issued this high wind watch at Oct 9, 2021, 1:16 AM PDT for Inyo County, San Bernardino County, California; Mohave County, Arizona; 4 counties in Nevada. It took effect at Oct 11, 2021, 11:00 AM PDT. It was in force for .

The area

The counties it named.

The facts

Issued
Oct 9, 2021, 1:16 AM PDT (08:16 UTC)
In effect from
Oct 11, 2021, 11:00 AM PDT
Expired
Oct 10, 2021, 1:47 AM PDT
In force
Issued by
NWS Las Vegas, NV

Counties Mohave County, AZ, Inyo County, CA, San Bernardino County, CA, Clark County, NV, Esmeralda County, NV, Lincoln County, NV, Nye County, NV

The radar

The Las Vegas radar (KESX), 142 km from the middle of the area, began a volume at 08:20 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, 8.3 hours before the alert went out and 47 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 2021-10-09Temperature 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 2021-10-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
2088 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

217 
WWUS75 KVEF 090816
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
116 AM PDT Sat Oct 9 2021

CAZ520-091800-
/O.NEW.KVEF.HW.A.0005.211011T1800Z-211012T0900Z/
/O.CON.KVEF.FZ.W.0002.211009T1000Z-211009T1500Z/
Owens Valley-
Including Bishop, Independence, Lone Pine, and Olancha
116 AM PDT Sat Oct 9 2021

...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM PDT THIS MORNING...
...HIGH WIND WATCH IN EFFECT FROM MONDAY MORNING THROUGH LATE
MONDAY NIGHT...

* WHAT...For the Freeze Warning, sub-freezing temperatures as low
  as 30 expected. For the High Wind Watch, northwest winds 25 to
  35 mph with gusts up to 60 mph possible.

* WHERE...Owens Valley.

* WHEN...For the Freeze Warning, until 8 AM PDT this morning. 
  For the High Wind Watch, from Monday morning through late 
  Monday night.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing. Damaging winds could blow down trees and power 
  lines. Widespread power outages are possible. Travel could be 
  difficult, especially for high profile vehicles. 

* ADDITIONAL DETAILS...In addition to the strong wind gusts, areas
  of blowing dust may result in reduced visibility and poor air
  quality on Monday.

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.

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

AZZ001>003-036-CAZ519-521>527-NVZ014>022-091800-
/O.NEW.KVEF.HW.A.0005.211011T1800Z-211012T0900Z/
Northwest Plateau-Lake Havasu and Fort Mohave-Northwest Deserts-
Lake Mead National Recreation Area-Eastern Sierra Slopes-
White Mountains of Inyo County-Death Valley National Park-
Western Mojave Desert-Eastern Mojave Desert-Morongo Basin-
Cadiz Basin-San Bernardino County-Upper Colorado River Valley-
Esmeralda and Central Nye County-Lincoln County-
Northeast Clark County-Western Clark and Southern Nye County-
Sheep Range-Spring Mountains-Red Rock Canyon-Las Vegas Valley-
Southern Clark County-
Including Colorado City, Pipe Spring National Monument, Tuweep, 
Mt Trumbull, Western Grand Canyon, Lake Havasu City, 
Desert Hills, Topock, Kingman, Golden Valley, Dolan Springs, 
Valentine, Wikieup, Yucca, Bullhead City, Oatman, Mohave Valley, 
Aspendell, Whitney Portal, Westgard Pass, Bristlecone Pine, 
Furnace Creek, Stovepipe Wells, Shoshone, Barstow, Daggett, 
Fort Irwin, Baker, Mountain Pass, Mitchell Caverns, 
Morongo Valley, Yucca Valley, Twentynine Palms, Vidal Junction, 
Needles, Beatty, Goldfield, Silver Peak, Dyer, Caliente, Pioche, 
Panaca, Hiko, Alamo, Rachel, Mesquite, Overton, Moapa, Pahrump, 
Indian Springs, Desert Rock, Amargosa Valley, Hayford Pk, 
The Town Of Mt Charleston, Red Rock Canyon, Las Vegas, 
North Las Vegas, Henderson, Boulder City, Hoover Dam, Laughlin, 
Primm, Searchlight, and Cal-Nev-Ari
116 AM PDT Sat Oct 9 2021 /116 AM MST Sat Oct 9 2021/

...HIGH WIND WATCH IN EFFECT FROM MONDAY MORNING THROUGH LATE
MONDAY NIGHT...

* WHAT...Southwest winds shifting to the Northwest with speeds of
  25 to 35 mph and gusts up to 60 mph possible.

* WHERE...Portions of northwest Arizona, southeast California 
  and south central and southern Nevada.

* WHEN...From Monday morning through late Monday night.

* IMPACTS...Damaging winds could blow down trees and power lines.
  Widespread power outages are possible. Travel could be
  difficult, especially for high profile vehicles. Dangerous
  boating conditions are expected due to the strong winds and
  large waves.

* ADDITIONAL DETAILS...In addition to the strong wind gusts, areas
  of blowing dust may result in reduced visibility and poor air
  quality on Monday.

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 the National Weather Service visit
https://weather.gov/lasvegas
2 follow-up statements
478 
WWUS75 KVEF 091753
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
1053 AM PDT Sat Oct 9 2021

AZZ001>003-036-CAZ519>527-NVZ014>022-101200-
/O.CON.KVEF.HW.A.0005.211011T1800Z-211012T0900Z/
Northwest Plateau-Lake Havasu and Fort Mohave-Northwest Deserts-
Lake Mead National Recreation Area-Eastern Sierra Slopes-
Owens Valley-White Mountains of Inyo County-
Death Valley National Park-Western Mojave Desert-
Eastern Mojave Desert-Morongo Basin-Cadiz Basin-
San Bernardino County-Upper Colorado River Valley-
Esmeralda and Central Nye County-Lincoln County-
Northeast Clark County-Western Clark and Southern Nye County-
Sheep Range-Spring Mountains-Red Rock Canyon-Las Vegas Valley-
Southern Clark County-
Including Colorado City, Pipe Spring National Monument, Tuweep, 
Mt Trumbull, Western Grand Canyon, Lake Havasu City, 
Desert Hills, Topock, Kingman, Golden Valley, Dolan Springs, 
Valentine, Wikieup, Yucca, Bullhead City, Oatman, Mohave Valley, 
Aspendell, Whitney Portal, Bishop, Independence, Lone Pine, 
Olancha, Westgard Pass, Bristlecone Pine, Furnace Creek, 
Stovepipe Wells, Shoshone, Barstow, Daggett, Fort Irwin, Baker, 
Mountain Pass, Mitchell Caverns, Morongo Valley, Yucca Valley, 
Twentynine Palms, Vidal Junction, Needles, Beatty, Goldfield, 
Silver Peak, Dyer, Caliente, Pioche, Panaca, Hiko, Alamo, Rachel,
Mesquite, Overton, Moapa, Pahrump, Indian Springs, Desert Rock, 
Amargosa Valley, Hayford Pk, The Town Of Mt Charleston, 
Red Rock Canyon, Las Vegas, North Las Vegas, Henderson, 
Boulder City, Hoover Dam, Laughlin, Primm, Searchlight, 
and Cal-Nev-Ari
1053 AM PDT Sat Oct 9 2021 /1053 AM MST Sat Oct 9 2021/

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

* WHAT...Southwest winds shifting to the Northwest with speeds 
  of 25 to 35 mph and gusts up to 60 mph possible.

* WHERE...Portions of northwest Arizona, southeast California 
  and south central and southern Nevada.

* WHEN...From Monday morning through late Monday night.

* IMPACTS...Damaging winds could blow down trees and power 
  lines. Widespread power outages are possible. Travel could be 
  difficult, especially for high profile vehicles. Dangerous 
  boating conditions are expected due to the strong winds and 
  large waves.

* ADDITIONAL DETAILS...In addition to the strong wind gusts, 
  areas of blowing dust may result in reduced visibility and 
  poor air quality on Monday.

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 the National Weather Service visit
https://weather.gov/lasvegas
061 
WWUS75 KVEF 100847
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
147 AM PDT Sun Oct 10 2021

CAZ523>525-102200-
/O.UPG.KVEF.HW.A.0005.211011T1800Z-211012T0900Z/
/O.NEW.KVEF.HW.W.0006.211011T1800Z-211012T1200Z/
Western Mojave Desert-Eastern Mojave Desert-Morongo Basin-
Including Barstow, Daggett, Fort Irwin, Baker, Mountain Pass, 
Mitchell Caverns, Morongo Valley, Yucca Valley, 
and Twentynine Palms
147 AM PDT Sun Oct 10 2021

...HIGH WIND WARNING IN EFFECT FROM 11 AM MONDAY TO 5 AM PDT
TUESDAY...

* WHAT...West winds 30 to 40 mph with gusts up to 65 mph 
  expected...shifting to the northwest in the evening.

* WHERE...Western Mojave Desert, Eastern Mojave Desert and Morongo
  Basin. This includes Barstow...Landers...Yucca Valley...and
  Twentynine Palms.

* WHEN...From 11 AM Monday to 5 AM PDT Tuesday.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...In addition to the strong wind gusts, areas
  of blowing dust will result in areas of near zero visibility 
  and poor air quality on Monday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

NVZ016-019-020-022-102200-
/O.UPG.KVEF.HW.A.0005.211011T1800Z-211012T0900Z/
/O.NEW.KVEF.HW.W.0006.211011T1800Z-211012T1200Z/
Northeast Clark County-Spring Mountains-Red Rock Canyon-
Las Vegas Valley-Southern Clark County-
Including Mesquite, Overton, Moapa, The Town Of Mt Charleston, 
Red Rock Canyon, Las Vegas, North Las Vegas, Henderson, 
Boulder City, Primm, Searchlight, and Cal-Nev-Ari
147 AM PDT Sun Oct 10 2021

...HIGH WIND WARNING IN EFFECT FROM 11 AM MONDAY TO 5 AM PDT
TUESDAY...

* WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph  
  shifting to the northwest in the late afternoon.

* WHERE...Northeast Clark County, Spring Mountains-Red Rock 
  Canyon, Las Vegas Valley and Southern Clark County.

* WHEN...From 11 AM Monday to 5 AM PDT Tuesday.

* IMPACTS...Damaging winds will blow down trees and power lines.
  Widespread power outages are possible. Travel will be 
  difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...In addition to the strong wind gusts, areas
  of blowing dust may result in reduced visibility and poor air
  quality on Monday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

CAZ519>522-NVZ014-017-102200-
/O.UPG.KVEF.HW.A.0005.211011T1800Z-211012T0900Z/
/O.NEW.KVEF.HW.W.0006.211011T1800Z-211012T1200Z/
Eastern Sierra Slopes-Owens Valley-White Mountains of Inyo County-
Death Valley National Park-Esmeralda and Central Nye County-
Western Clark and Southern Nye County-
Including Aspendell, Whitney Portal, Bishop, Independence, 
Lone Pine, Olancha, Westgard Pass, Bristlecone Pine, 
Furnace Creek, Stovepipe Wells, Shoshone, Beatty, Goldfield, 
Silver Peak, Dyer, Pahrump, Indian Springs, Desert Rock, 
and Amargosa Valley
147 AM PDT Sun Oct 10 2021

...HIGH WIND WARNING IN EFFECT FROM 11 AM MONDAY TO 5 AM PDT
TUESDAY...

* WHAT...Northwest winds 30 to 40 mph with gusts up to 65 mph 
  expected.

* WHERE...All of Inyo county including the Owens Valley and Death
  Valley. Esmeralda and Nye counties including Dyer, Goldfield, 
  Beatty, Amargosa Valley, and Pahrump.

* WHEN...From 11 AM Monday to 5 AM PDT Tuesday.

* IMPACTS...Damaging winds will blow down trees and power lines.
  Widespread power outages are expected. Travel will be difficult
  on US-95 between Las Vegas and Tonopah, especially for high 
  profile vehicles.

* ADDITIONAL DETAILS...In addition to the strong wind gusts, areas
  of blowing dust will result in pockets of near zero visibility
  and poor air quality on Monday. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

AZZ001>003-036-CAZ526-527-NVZ021-102200-
/O.UPG.KVEF.HW.A.0005.211011T1800Z-211012T0900Z/
/O.NEW.KVEF.WI.Y.0029.211011T1800Z-211012T0600Z/
Northwest Plateau-Lake Havasu and Fort Mohave-Northwest Deserts-
Lake Mead National Recreation Area-Cadiz Basin-
San Bernardino County-Upper Colorado River Valley-
Including Colorado City, Pipe Spring National Monument, Tuweep, 
Mt Trumbull, Western Grand Canyon, Lake Havasu City, 
Desert Hills, Topock, Kingman, Golden Valley, Dolan Springs, 
Valentine, Wikieup, Yucca, Bullhead City, Oatman, Mohave Valley, 
Vidal Junction, Needles, Hoover Dam, and Laughlin
147 AM PDT Sun Oct 10 2021 /147 AM MST Sun Oct 10 2021/

...WIND ADVISORY IN EFFECT FROM 11 AM PDT /11 AM MST/ TO 11 PM
PDT /11 PM MST/ MONDAY...

* WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph 
  expected.

* WHERE...Mohave county in Northwest Arizona, the Colorado River
  Valley, and Cadiz Basin.

* WHEN...From 11 AM PDT /11 AM MST/ to 11 PM PDT /11 PM MST/ 
  Monday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.
  Boating will be dangerous due to large waves and strong wind
  gusts.

* ADDITIONAL DETAILS...Be advised that dangerous boating
  conditions are expected on regional Lakes including Lake Mead,
  Mohave, and Havasu. Large waves and strong winds may swamp or
  capsize small craft. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

NVZ015-018-102200-
/O.UPG.KVEF.HW.A.0005.211011T1800Z-211012T0900Z/
/O.NEW.KVEF.WI.Y.0029.211011T1800Z-211012T1200Z/
Lincoln County-Sheep Range-
Including Caliente, Pioche, Panaca, Hiko, Alamo, Rachel, 
and Hayford Pk
147 AM PDT Sun Oct 10 2021

...WIND ADVISORY IN EFFECT FROM 11 AM MONDAY TO 5 AM PDT
TUESDAY...

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

* WHERE...Lincoln County and Sheep Range.

* WHEN...From 11 AM Monday to 5 AM PDT Tuesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...In addition to the strong wind gusts, areas
  of blowing dust may result in reduced visibility and poor air
  quality on Monday.

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

The office that day

Everything else NWS Las Vegas, NV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 8, 8:21 PM PDTFreeze WarningVEF12 hr

Nearby

High Wind Watches in Nevada, 2021High Wind Watches in California, 2021High Wind Watches in Arizona, 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.