Alert archive / Nevada / Wind Advisories in 2017

Wind Advisory 45, NWS Las Vegas, NV

November 4, 2017Clark County, Nye County, Nevada; Inyo County, California

NWS Las Vegas, NV issued this wind advisory at Nov 4, 2017, 4:35 PM PDT for Clark County, Nye County, Nevada; Inyo County, California. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Nov 4, 2017, 4:35 PM PDT (23:35 UTC)
Expired
Nov 5, 2017, 2:00 AM PST
In force
10 hr
Issued by
NWS Las Vegas, NV

Counties Inyo County, CA, Clark County, NV, Nye County, NV

The radar

The Las Vegas radar (KESX), 185 km from the middle of the area, began a volume at 23:33 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, 11.6 hours before the alert went out and 91 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 2017-11-04Temperature 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 2017-11-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 square meters per square second.1939587897117Sfc1 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
2163 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
153 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

783 
WWUS75 KVEF 042335
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
435 PM PDT Sat Nov 4 2017

CAZ519-520-NVZ019-020-051000-
/O.NEW.KVEF.WI.Y.0045.171104T2335Z-171105T1000Z/
Eastern Sierra Slopes-Owens Valley-Spring Mountains-
Red Rock Canyon-Las Vegas Valley-
Including Aspendell, Whitney Portal, Bishop, 
Independence, Lone Pine, Olancha, The Town Of Mt Charleston, 
Red Rock Canyon, Las Vegas, North Las Vegas, Henderson, 
and Boulder City
435 PM PDT Sat Nov 4 2017

...WIND ADVISORY IN EFFECT UNTIL 2 AM PST SUNDAY...

The National Weather Service in Las Vegas has issued a Wind
Advisory, which is in effect until 2 AM PST Sunday. 

* TIMING...Winds will continue to increase and peak this evening,
  then decrease after midnight.

* WINDS...For the Sierra, Owens Valley, Spring Mountains, Red Rock
  Canyon, and the western and southern edges of the Las Vegas
  Valley: West to southwest wind 25-40 MPH, with gusts 40-55 MPH.
  For the rest of the Las Vegas Valley expect gusts 25-35 MPH. 

* IMPACTS...Sudden strong crosswinds will be possible along US-395
  through the Owens Valley, especially south of Lone Pine as well
  as along State Route 159 near Red Rock Canyon. High-profile
  vehicles will be especially susceptible to strong winds. Areas
  of blowing dust may reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means strong winds gusting over 40 mph can make
driving difficult...especially for high profile vehicles. Use
extra caution.

&&

$$

Wolcott
1 follow-up statement
358 
WWUS75 KVEF 050940
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
140 AM PST Sun Nov 5 2017

CAZ519-520-NVZ019-020-051045-
/O.EXP.KVEF.WI.Y.0045.000000T0000Z-171105T1000Z/
Eastern Sierra Slopes-Owens Valley-Spring Mountains-
Red Rock Canyon-Las Vegas Valley-
Including Aspendell, Whitney Portal, Bishop, 
Independence, Lone Pine, Olancha, The Town Of Mt Charleston, 
Red Rock Canyon, Las Vegas, North Las Vegas, Henderson, 
and Boulder City
140 AM PST Sun Nov 5 2017

...WIND ADVISORY WILL EXPIRE AT 2 AM PST EARLY THIS MORNING...

Localized higher gusts along the eastern Sierra Slopes and Owens
Valley have weakened. The Wind Advisory will be allowed to expire.

$$

Nearby

Wind Advisories in Nevada, 2017Wind Advisories in California, 2017Every wind advisory in 2017

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.