Alert archive / California / Wind Advisories in 2019

Wind Advisory 9, NWS Las Vegas, NV

February 25, 2019Inyo County, California

NWS Las Vegas, NV issued this wind advisory at Feb 25, 2019, 2:49 AM PST for Inyo County, California. It took effect at Feb 25, 2019, 10:00 AM PST. It was in force for 41 hr.

The area

The counties it named.

The facts

Issued
Feb 25, 2019, 2:49 AM PST (10:49 UTC)
In effect from
Feb 25, 2019, 10:00 AM PST
Expired
Feb 27, 2019, 3:11 AM PST
In force
41 hr
Issued by
NWS Las Vegas, NV

County Inyo County, CA

The radar

The Edwards AFB radar (KEYX), 158 km from the middle of the area, began a volume at 10:49 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, 10.8 hours before the alert went out and 168 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 2019-02-25Temperature 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 2019-02-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.193958Sfc1 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
2961 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
12 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

373 
WWUS75 KVEF 251049
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
249 AM PST Mon Feb 25 2019

CAZ519-520-251800-
/O.NEW.KVEF.WI.Y.0009.190225T1800Z-190226T1200Z/
Eastern Sierra Slopes-Owens Valley-
Including Aspendell, Whitney Portal, Bishop, 
Independence, Lone Pine, and Olancha
249 AM PST Mon Feb 25 2019

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 4 AM PST
TUESDAY...

The National Weather Service in Las Vegas has issued a Wind
Advisory, which is in effect from 10 AM this morning to 4 AM PST
Tuesday. 

* WINDS...West winds gusting 55 to 65 mph in the Sierra and gusts
  of 40 to 55 mph in parts of the Owens Valley near the base of 
  the Sierra. 

* TIMING...Wind speeds will increase by late this morning in the
  Sierra and persist through tonight. Periods of strong downslope
  winds will occur the near the base of the Sierra especially 
  this afternoon and evening.

* IMPACTS...Strong winds gusting over 40 mph may make driving 
  hazardous on Highway 395...especially for high profile vehicles 
  south of Olancha.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drivers of vans...campers...trailers...and other high profile 
vehicles should be alert to the danger of these winds.

&&

$$
5 follow-up statements
543 
WWUS75 KVEF 251846
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
1046 AM PST Mon Feb 25 2019

CAZ519-520-260800-
/O.CON.KVEF.WI.Y.0009.000000T0000Z-190226T1200Z/
Eastern Sierra Slopes-Owens Valley-
Including Aspendell, Whitney Portal, Bishop, 
Independence, Lone Pine, and Olancha
1046 AM PST Mon Feb 25 2019

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST TUESDAY...

* WINDS...West winds gusting 55 to 65 mph in the Sierra and 
  gusts of 40 to 55 mph in parts of the Owens Valley near the 
  base of the Sierra. 

* TIMING...Wind speeds will increase by late this morning in the 
  Sierra and persist through tonight. Periods of strong 
  downslope winds will occur the near the base of the Sierra 
  especially this afternoon and evening. 

* IMPACTS...Strong winds gusting over 40 mph may make driving 
  hazardous on Highway 395...especially for high profile 
  vehicles south of Olancha. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drivers of vans...campers...trailers...and other high profile
vehicles should be alert to the danger of these winds.

&&

$$
991 
WWUS75 KVEF 252255
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
255 PM PST Mon Feb 25 2019

CAZ519-261200-
/O.EXT.KVEF.WI.Y.0009.000000T0000Z-190227T1400Z/
Eastern Sierra Slopes-
Including Aspendell and Whitney Portal
255 PM PST Mon Feb 25 2019

...WIND ADVISORY NOW IN EFFECT UNTIL 6 AM PST WEDNESDAY...

* WINDS...West winds gusting 55 to 65 mph. 

* TIMING...Winds will continue through the day Tuesday into the
  overnight hours Tuesday night.
 
* IMPACTS...Strong gusts may blow down tree limbs and power lines
  leading to possible power outages. Unsecured objects could be
  blown away. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drivers of vans...campers...trailers...and other high profile
vehicles should be alert to the danger of these winds.

&&

$$

CAZ520-261200-
/O.CON.KVEF.WI.Y.0009.000000T0000Z-190226T1200Z/
Owens Valley-
Including Bishop, Independence, Lone Pine, 
and Olancha
255 PM PST Mon Feb 25 2019

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST TUESDAY...

* WINDS...West winds with occasional gusts of 40 to 55 mph in 
  parts of the Owens Valley near the base of the Sierra. 

* TIMING...Periods of strong downslope winds will occur the near
  the base of the Sierra especially through the evening hours. 

* IMPACTS...Strong winds gusting over 40 mph may make driving 
  hazardous on Highway 395...especially for high profile 
  vehicles south of Olancha. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drivers of vans...campers...trailers...and other high profile
vehicles should be alert to the danger of these winds.

&&

$$
342 
WWUS75 KVEF 261153
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
353 AM PST Tue Feb 26 2019

CAZ520-261300-
/O.EXP.KVEF.WI.Y.0009.000000T0000Z-190226T1200Z/
Owens Valley-
Including Bishop, Independence, Lone Pine, 
and Olancha
353 AM PST Tue Feb 26 2019

...WIND ADVISORY WILL EXPIRE AT 4 AM PST EARLY THIS MORNING...

Downslope wind potential has been decreasing early this morning 
in the Owens Valley near the Sierra Foothills and stronger winds 
are now expected to primarily be confined to the mid and upper
slopes of the Sierra.

$$

CAZ519-270000-
/O.CON.KVEF.WI.Y.0009.000000T0000Z-190227T1400Z/
Eastern Sierra Slopes-
Including Aspendell and Whitney Portal
353 AM PST Tue Feb 26 2019

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM PST WEDNESDAY...

* WINDS...West winds gusting 55 to 65 mph.

* TIMING...Strong wind gusts will continue today and tonight in
  the mid and upper Sierra slopes before decreasing early
  Wednesday morning. 

* IMPACTS... Winds this strong can make driving
  difficult...especially for motorcycles and high profile
  vehicles. Unsecured objects could be blown away.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drivers of vans...campers...trailers...and other high profile
vehicles should be alert to the danger of these winds. Secure
lightweight outdoor objects.

&&

$$
315 
WWUS75 KVEF 262254
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
254 PM PST Tue Feb 26 2019

CAZ519-271400-
/O.CON.KVEF.WI.Y.0009.000000T0000Z-190227T1400Z/
Eastern Sierra Slopes-
Including Aspendell and Whitney Portal
254 PM PST Tue Feb 26 2019

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM PST WEDNESDAY...

* WINDS...West winds gusting 55 to 65 mph.

* TIMING...Strong wind gusts will continue today and tonight in 
  the mid and upper Sierra slopes before decreasing early 
  Wednesday morning. 

* IMPACTS... Winds this strong can make driving difficult... 
  especially for motorcycles and high profile vehicles. 
  Unsecured objects could be blown away. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drivers of vans...campers...trailers...and other high profile
vehicles should be alert to the danger of these winds. Secure
lightweight outdoor objects.

&&

$$

Morgan
034 
WWUS75 KVEF 271111
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
311 AM PST Wed Feb 27 2019



CAZ519-271215-
/O.CAN.KVEF.WI.Y.0009.000000T0000Z-190227T1400Z/
Eastern Sierra Slopes-
Including Aspendell and Whitney Portal
311 AM PST Wed Feb 27 2019

...WIND ADVISORY IS CANCELLED...

The National Weather Service in Las Vegas has cancelled the Wind
Advisory for the east slopes of the Southern Sierra. Wind speeds
have been decreasing and gusts are expected to remain less than 45
mph in the mid and upper slopes as snow briefly develops this 
morning.


$$

Nearby

Wind Advisories in California, 2019Every wind advisory in 2019

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.