Alert archive / California / Wind Advisories in 2021

Wind Advisory 20, NWS Las Vegas, NV

April 4, 2021San Bernardino County, California

NWS Las Vegas, NV issued this wind advisory at Apr 4, 2021, 1:49 PM PDT for San Bernardino County, California. It took effect at Apr 5, 2021, 11:00 AM PDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Apr 4, 2021, 1:49 PM PDT (20:49 UTC)
In effect from
Apr 5, 2021, 11:00 AM PDT
Expired
Apr 5, 2021, 11:00 PM PDT
In force
12 hr
Issued by
NWS Las Vegas, NV

County San Bernardino County, CA

The radar

The Edwards AFB radar (KEYX), 129 km from the middle of the area, began a volume at 20:47 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 12:00Z, 8.8 hours before the alert went out and 180 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 12:00Z on 2021-04-04Temperature 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 12:00Z on 2021-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 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
5047 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
108 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

131 
WWUS75 KVEF 042049
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
149 PM PDT Sun Apr 4 2021

CAZ523>525-051400-
/O.NEW.KVEF.WI.Y.0020.210405T1800Z-210406T0600Z/
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
149 PM PDT Sun Apr 4 2021

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

* WHAT...West winds 25 to 35 mph with gusts over 50 mph possible.
  Patchy blowing dust is also possible.

* WHERE...Western Mojave Desert including Barstow, the Eastern
  Mojave Desert and Morongo Basin.

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

* IMPACTS...Gusty west winds could cause driving hazards for high
  profile vehicles traveling along Interstate 15. Patchy blowing
  gust could reduce driving visibility. Tree limbs could be blown
  down and a few power outages may result.

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
5 follow-up statements
826 
WWUS75 KVEF 051154
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
454 AM PDT Mon Apr 5 2021

CAZ523>525-051800-
/O.CON.KVEF.WI.Y.0020.210405T1800Z-210406T0600Z/
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
454 AM PDT Mon Apr 5 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
11 PM PDT THIS EVENING...

* WHAT...West winds 25 to 35 mph with gusts over 50 mph 
  possible. Patchy blowing dust is also possible.

* WHERE...Western Mojave Desert including Barstow, the Eastern 
  Mojave Desert and Morongo Basin.

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

* IMPACTS...Gusty west winds could cause driving hazards for 
  high profile vehicles traveling along Interstate 15. Patchy 
  blowing gust could reduce driving visibility. Tree limbs could 
  be blown down and a few power outages may result. 

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
513 
WWUS75 KVEF 051739
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
1039 AM PDT Mon Apr 5 2021

CAZ523>525-060600-
/O.CON.KVEF.WI.Y.0020.210405T1800Z-210406T0600Z/
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
1039 AM PDT Mon Apr 5 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...

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

* WHERE...Western Mojave Desert including Barstow, the Eastern
  Mojave Desert and Morongo Basin.

* WHEN...Until 11 PM PDT this evening.

* IMPACTS...Gusty west winds could cause driving hazards for 
  high profile vehicles traveling along Interstate 15. Patchy 
  blowing gust could reduce driving visibility. Tree limbs could 
  be blown down and a few power outages may result.

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
668 
WWUS75 KVEF 052035
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
135 PM PDT Mon Apr 5 2021

CAZ520-060600-
/O.EXA.KVEF.WI.Y.0020.000000T0000Z-210406T0600Z/
Owens Valley-
Including Bishop, Independence, Lone Pine, and Olancha
135 PM PDT Mon Apr 5 2021

...WIND ADVISORY IN EFFECT UNTIL 11 PM PDT THIS EVENING...

* WHAT...Northwest winds 20 to 30 mph with gusts up to 45 mph.
  Winds will gradually diminish from north to south this evening. 

* WHERE...Owens Valley.

* WHEN...Until 11 PM PDT this evening.

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

* ADDITIONAL DETAILS...Gusty west winds could cause driving
  hazards for high profile vehicles traveling along Highway 395.
  Patchy blowing gust could reduce driving visibility. Tree limbs 
  could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

CAZ523>525-060600-
/O.CON.KVEF.WI.Y.0020.000000T0000Z-210406T0600Z/
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
135 PM PDT Mon Apr 5 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...

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

* WHERE...Morongo Basin, Eastern Mojave Desert and Western 
  Mojave Desert.

* WHEN...Until 11 PM PDT this evening.

* IMPACTS...Gusty west winds could cause driving hazards for high
  profile vehicles traveling along Interstate 15. Patchy blowing 
  gust could reduce driving visibility. Tree limbs could be blown 
  down and a few power outages may result.

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
945 
WWUS75 KVEF 060437
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
937 PM PDT Mon Apr 5 2021

CAZ520-060545-
/O.CAN.KVEF.WI.Y.0020.000000T0000Z-210406T0600Z/
Owens Valley-
Including Bishop, Independence, Lone Pine, and Olancha
937 PM PDT Mon Apr 5 2021

...WIND ADVISORY IS CANCELLED...

Winds have decreased to below criteria across the Owens Valley. A
weak front has since shifted the winds to the north across the
northern Owens Valley with areas to the south only gusting to
below 20-30 mph.

$$

CAZ523>525-060600-
/O.CON.KVEF.WI.Y.0020.000000T0000Z-210406T0600Z/
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
937 PM PDT Mon Apr 5 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...

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

* WHERE...Morongo Basin, Eastern Mojave Desert and Western 
  Mojave Desert.

* WHEN...Until 11 PM PDT this evening.

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

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
919 
WWUS75 KVEF 060549
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
1049 PM PDT Mon Apr 5 2021

CAZ523>525-060700-
/O.EXP.KVEF.WI.Y.0020.000000T0000Z-210406T0600Z/
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
1049 PM PDT Mon Apr 5 2021

...WIND ADVISORY WILL EXPIRE AT 11 PM PDT THIS EVENING...

Winds are gradually easing and will continue to taper off through
the night.

$$

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

Nearby

Wind Advisories in California, 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.