Alert archive / California / High Wind Watches in 2021

High Wind Watch 1, NWS Las Vegas, NV

February 11, 2021Inyo County, San Bernardino County, California

NWS Las Vegas, NV issued this high wind watch at Feb 11, 2021, 2:28 AM PST for Inyo County, San Bernardino County, California. It took effect at Feb 13, 2021, 12:00 PM PST. It was in force for .

The area

The counties it named.

The facts

Issued
Feb 11, 2021, 2:28 AM PST (10:28 UTC)
In effect from
Feb 13, 2021, 12:00 PM PST
Expired
Feb 12, 2021, 1:10 PM PST
In force
Issued by
NWS Las Vegas, NV

Counties Inyo County, CA, San Bernardino County, CA

The radar

The Edwards AFB radar (KEYX), 95 km from the middle of the area, began a volume at 10:32 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

Edwards AFB, CA (KEDW), launched 00:00Z, 10.5 hours before the alert went out and 126 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, Edwards AFB, CA at 00:00Z on 2021-02-11Temperature 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, Edwards AFB, CA at 00:00Z on 2021-02-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 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
2303 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
81 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

148 
WWUS75 KVEF 111028
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
228 AM PST Thu Feb 11 2021

CAZ523-112230-
/O.NEW.KVEF.HW.A.0001.210213T2000Z-210214T0600Z/
Western Mojave Desert-
Including Barstow, Daggett, and Fort Irwin
228 AM PST Thu Feb 11 2021

...HIGH WIND WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SATURDAY EVENING...

* WHAT...West winds 30 to 40 mph with gusts up to 55 mph 
  possible.

* WHERE...Western Mojave Desert.

* WHEN...From Saturday afternoon through Saturday evening.

* IMPACTS...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...Winds of this strength would likely create
  areas of blowing dust and sand which could lead to drastically
  reduced visibilites at times on primary and secondary roads
  throughout the area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Proactively, 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
3 follow-up statements
067 
WWUS75 KVEF 112153
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
153 PM PST Thu Feb 11 2021

CAZ519-520-121200-
/O.EXA.KVEF.HW.A.0001.210213T2000Z-210214T0600Z/
Eastern Sierra Slopes-Owens Valley-
Including Aspendell, Whitney Portal, Bishop, Independence, 
Lone Pine, and Olancha
153 PM PST Thu Feb 11 2021

...HIGH WIND WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SATURDAY EVENING...

* WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph 
  possible.

* WHERE...Eastern Sierra Slopes and Owens Valley. Main threat area
  for these winds will occur along the eastern Sierra slopes and
  Owens Valley south of Independence. 

* WHEN...From Saturday afternoon through Saturday evening.

* IMPACTS...Damaging winds could blow down trees and power lines.
  Widespread power outages are possible. Travel could be
  difficult, especially for high profile vehicles on Highway 395. 

* ADDITIONAL DETAILS...Winds of this strength would likely create
  areas of blowing dust and sand which could lead to drastically
  reduced visibilites at times on primary and secondary roads
  throughout the area.

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.

&&

$$

CAZ523-121200-
/O.CON.KVEF.HW.A.0001.210213T2000Z-210214T0600Z/
Western Mojave Desert-
Including Barstow, Daggett, and Fort Irwin
153 PM PST Thu Feb 11 2021

...HIGH WIND WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING...

* WHAT...West winds 30 to 40 mph with gusts up to 60 mph 
  possible.

* WHERE...Western Mojave Desert.

* WHEN...From Saturday afternoon through Saturday evening.

* IMPACTS...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...Winds of this strength would likely create
  areas of blowing dust and sand which could lead to drastically
  reduced visibilites at times on primary and secondary roads
  throughout the area.

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
249 
WWUS75 KVEF 121212
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
412 AM PST Fri Feb 12 2021

CAZ519-520-523-130000-
/O.CON.KVEF.HW.A.0001.210213T2000Z-210214T0600Z/
Eastern Sierra Slopes-Owens Valley-Western Mojave Desert-
Including Aspendell, Whitney Portal, Bishop, Independence, 
Lone Pine, Olancha, Barstow, Daggett, and Fort Irwin
412 AM PST Fri Feb 12 2021

...HIGH WIND WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING...

* WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph 
  possible.

* WHERE...Eastern Sierra Slopes and Owens Valley. Main threat area
  for these winds will occur along the eastern Sierra slopes and
  Owens Valley south of Independence.

* WHEN...From Saturday afternoon through Saturday evening.

* IMPACTS...Damaging winds could blow down trees and power lines.
  Widespread power outages are possible. Travel could be
  difficult, especially for high profile vehicles on Highway 395.

* ADDITIONAL DETAILS...Winds of this strength would likely create
  areas of blowing dust and sand which could lead to drastically
  reduced visibilites at times on primary and secondary roads
  throughout the area.

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
715 
WWUS75 KVEF 122110
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
110 PM PST Fri Feb 12 2021

CAZ519-520-523-131800-
/O.UPG.KVEF.HW.A.0001.210213T2000Z-210214T0600Z/
/O.NEW.KVEF.HW.W.0001.210213T1800Z-210214T0300Z/
Eastern Sierra Slopes-Owens Valley-Western Mojave Desert-
Including Aspendell, Whitney Portal, Bishop, Independence, 
Lone Pine, Olancha, Barstow, Daggett, and Fort Irwin
110 PM PST Fri Feb 12 2021

...HIGH WIND WARNING IN EFFECT FROM 10 AM TO 7 PM PST SATURDAY...

* WHAT...West or Northwest winds 25 to 35 mph with gusts up to 65
  mph expected.

* WHERE...Eastern Sierra Slopes, Owens Valley and Western Mojave
  Desert. Including Bishop, Big Pine, Independence, Owens Lake,
  Lone Pine, Olancha, Barstow and Daggett.

* WHEN...From 10 AM to 7 PM PST Saturday.

* 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...Strongest winds are expected along and west
  of US-395 in the Owens Valley and mainly south of Big Pine.
  Strong winds across the Western Mojave Desert will lead to areas
  of blowing dust and low visibility, as well as strong crosswinds
  on I-15 and I-40. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be aware of rapidly reduced visibility in blowing dust and the
likelihood of strong crosswinds on high profile vehicles. Use 
caution if you must drive.

&&

$$

CAZ525-131800-
/O.NEW.KVEF.HW.W.0001.210213T1800Z-210214T0600Z/
Morongo Basin-
Including Morongo Valley, Yucca Valley, and Twentynine Palms
110 PM PST Fri Feb 12 2021

...HIGH WIND WARNING IN EFFECT FROM 10 AM TO 10 PM PST SATURDAY...

* WHAT...West winds 25 to 35 mph with gusts up to 60 mph 
  expected.

* WHERE...Morongo Basin. Including Yucca Valley, Landers, and
  Twentynine Palms. 

* WHEN...From 10 AM to 10 PM PST Saturday.

* IMPACTS...Damaging winds will blow down trees and power lines.
  Widespread blowing dust reducing visibility. Travel will be 
  difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...Strongest winds are expected in the western
  and northern Morongo Basin impacting highway 247 and highway 62.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be aware of rapidly reduced visibility in blowing dust and the
likelihood of strong crosswinds on high profile vehicles. Use 
caution if you must drive.

&&

$$

CAZ521-522-NVZ014-015-131800-
/O.NEW.KVEF.WI.Y.0006.210213T1800Z-210214T0300Z/
White Mountains of Inyo County-Death Valley National Park-
Esmeralda and Central Nye County-Lincoln County-
Including Westgard Pass, Bristlecone Pine, Furnace Creek, 
Stovepipe Wells, Shoshone, Beatty, Goldfield, Silver Peak, Dyer, 
Caliente, Pioche, Panaca, Hiko, Alamo, and Rachel
110 PM PST Fri Feb 12 2021

...WIND ADVISORY IN EFFECT FROM 10 AM TO 7 PM PST SATURDAY...

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

* WHERE...In Nevada, Esmeralda and Central Nye County and 
  Lincoln County. In California, White Mountains of Inyo County 
  and Death Valley National Park.

* WHEN...From 10 AM to 7 PM PST Saturday.

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

* ADDITIONAL DETAILS...Patchy blowing dust can be expected around
  dry lake beds resulting in sudden reductions in visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

CAZ524-526-NVZ022-131800-
/O.NEW.KVEF.WI.Y.0006.210213T1800Z-210214T0600Z/
Eastern Mojave Desert-Cadiz Basin-Southern Clark County-
Including Baker, Mountain Pass, Mitchell Caverns, Vidal Junction,
Primm, Searchlight, and Cal-Nev-Ari
110 PM PST Fri Feb 12 2021

...WIND ADVISORY IN EFFECT FROM 10 AM TO 10 PM PST SATURDAY...

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

* WHERE...In Nevada, Southern Clark County. In California, 
  Eastern Mojave Desert and Cadiz Basin.

* WHEN...From 10 AM to 10 PM PST Saturday.

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

* ADDITIONAL DETAILS...Strong west winds will impact I-40 and I-15
  and may and result in blowing dust and low visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

NVZ016>020-131800-
/O.NEW.KVEF.WI.Y.0006.210213T2200Z-210214T1200Z/
Northeast Clark County-Western Clark and Southern Nye County-
Sheep Range-Spring Mountains-Red Rock Canyon-Las Vegas Valley-
Including 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, and Boulder City
110 PM PST Fri Feb 12 2021

...WIND ADVISORY IN EFFECT FROM 2 PM SATURDAY TO 4 AM PST
SUNDAY...

* WHAT...Northwest winds 15 to 25 mph with gusts up to 45 mph 
  expected.

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

* WHEN...From 2 PM Saturday to 4 AM PST Sunday.

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

* ADDITIONAL DETAILS...Strongest winds will be favored across the
  western and northern Las Vegas Valley and will linger through
  much of Saturday night.

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

Nearby

High Wind Watches in California, 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.