Alert archive / Nevada / Wind Advisories in 2017

Wind Advisory 19, NWS Las Vegas, NV

February 27, 2017Clark County, Nye County, Nevada

NWS Las Vegas, NV issued this wind advisory at Feb 27, 2017, 8:09 AM PST for Clark County, Nye County, Nevada. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Feb 27, 2017, 8:09 AM PST (16:09 UTC)
Expired
Feb 27, 2017, 6:00 PM PST
In force
10 hr
Issued by
NWS Las Vegas, NV

Counties Clark County, NV, Nye County, NV

The radar

The Las Vegas radar (KESX), 176 km from the middle of the area, began a volume at 16:10 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, 4.2 hours before the alert went out and 86 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 2017-02-27Temperature 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 2017-02-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 169 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
1639 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
169 m²/s²
0-3 km storm-relative helicity
202 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

502 
WWUS75 KVEF 271609
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
809 AM PST Mon Feb 27 2017

NVZ019-020-280200-
/O.NEW.KVEF.WI.Y.0019.170227T1609Z-170228T0200Z/
Spring Mountains-Red Rock Canyon-Las Vegas Valley-
Including The Town Of Mt Charleston, 
Red Rock Canyon, Las Vegas, North Las Vegas, Henderson, 
and Boulder City
809 AM PST Mon Feb 27 2017

...WIND ADVISORY IN EFFECT UNTIL 6 PM PST THIS EVENING...

The National Weather Service in Las Vegas has issued a Wind
Advisory, which is in effect until 6 PM PST this evening. 

* TIMING...Winds will continue to increase this morning, peak this
  afternoon and then decrease this evening.

* WINDS...Southwest winds 20 to 30 mph...gusts 35 to 45 mph. The
  strongest winds are expected across the Spring Mountains...Red 
  Rock Canyon...and the western and southern portions of the Las 
  Vegas Valley.

* IMPACTS...Areas of blowing dust and strong crosswinds may create
  difficult travel conditions. Loose objects such as trash cans 
  may by displaced.

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. Secure any loose items and trash cans.

&&

$$

AZZ036-NVZ021-280200-
/O.NEW.KVEF.LW.Y.0002.170227T1609Z-170228T0200Z/
Lake Mead National Recreation Area-
Including Bullhead City, Oatman, Mohave Valley, 
Hoover Dam, and Laughlin
809 AM PST Mon Feb 27 2017 /909 AM MST Mon Feb 27 2017/

...LAKE WIND ADVISORY IN EFFECT UNTIL 6 PM PST /7 PM MST/ THIS
EVENING...

The National Weather Service in Las Vegas has issued a Lake Wind
Advisory, which is in effect until 6 PM PST /7 PM MST/ this
evening. 

* TIMING...Winds will increase this morning, peak this afternoon
  then decrease this evening.

* WINDS...South winds 20 to 30 mph...gusts 30 to 40 mph. The
  strongest winds are expected across Lake Mead.

* IMPACTS...Hazardous boating conditions due to strong winds and
  increased wave activity...especially for small craft. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Lake Wind Advisory indicates that winds will cause rough chop
on area lakes. Small boats will be especially prone to capsizing.

&&

$$

Wolcott
1 follow-up statement
242 
WWUS75 KVEF 280139
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
539 PM PST Mon Feb 27 2017

NVZ019-020-280245-
/O.EXP.KVEF.WI.Y.0019.000000T0000Z-170228T0200Z/
Spring Mountains-Red Rock Canyon-Las Vegas Valley-
Including The Town Of Mt Charleston, 
Red Rock Canyon, Las Vegas, North Las Vegas, Henderson, 
and Boulder City
539 PM PST Mon Feb 27 2017

...WIND ADVISORY WILL EXPIRE AT 6 PM PST THIS EVENING...

Wind speeds have dropped below advisory levels early this evening
and will continue to decrease throughout the evening.

$$

AZZ036-NVZ021-280245-
/O.EXP.KVEF.LW.Y.0002.000000T0000Z-170228T0200Z/
Lake Mead National Recreation Area-
Including Bullhead City, Oatman, Mohave Valley, 
Hoover Dam, and Laughlin
539 PM PST Mon Feb 27 2017 /639 PM MST Mon Feb 27 2017/

...LAKE WIND ADVISORY WILL EXPIRE AT 6 PM PST /7 PM MST/ THIS
EVENING...

Wind speeds have dropped below lake wind advisory levels early
this evening and will continue to decrease throughout the evening.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 27, 2:53 AM PSTWinter Weather AdvisoryVEFLincoln25 hr
Feb 27, 8:09 AM PSTLake Wind AdvisoryVEF10 hr

Nearby

Wind Advisories in Nevada, 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.