Alert archive / Nevada / Wind Advisories in 2017

Wind Advisory 52, NWS Las Vegas, NV

December 13, 2017Clark County, Nevada; Mohave County, Arizona; San Bernardino County, California

NWS Las Vegas, NV issued this wind advisory at Dec 13, 2017, 2:37 AM PST for Clark County, Nevada; Mohave County, Arizona; San Bernardino County, California. It took effect at Dec 14, 2017, 2:00 AM PST. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Dec 13, 2017, 2:37 AM PST (10:37 UTC)
In effect from
Dec 14, 2017, 2:00 AM PST
Expired
Dec 14, 2017, 6:00 PM PST
In force
16 hr
Issued by
NWS Las Vegas, NV

Counties Mohave County, AZ, San Bernardino County, CA, Clark County, NV

The radar

The Las Vegas radar (KESX), 15 km from the middle of the area, began a volume at 10:41 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, 10.6 hours before the alert went out and 101 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 2017-12-13Temperature 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 2017-12-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.1939Sfc1 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
4811 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
92 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

202 
WWUS75 KVEF 131037
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
237 AM PST Wed Dec 13 2017

AZZ002-036-CAZ524-526-527-NVZ021-022-132330-
/O.NEW.KVEF.WI.Y.0052.171214T1000Z-171215T0200Z/
Lake Havasu and Fort Mohave-Lake Mead National Recreation Area-
Eastern Mojave Desert-Cadiz Basin-San Bernardino County-
Upper Colorado River Valley-Southern Clark County-
Including Lake Havasu City, Desert Hills, Topock, 
Bullhead City, Oatman, Mohave Valley, Baker, Mountain Pass, 
Mitchell Caverns, Vidal Junction, Needles, Hoover Dam, Laughlin, 
Primm, .Searchlight, and Cal-Nev-Ari
237 AM PST Wed Dec 13 2017 /337 AM MST Wed Dec 13 2017/

...WIND ADVISORY IN EFFECT FROM 2 AM PST /3 AM MST/ TO 6 PM PST
/7 PM MST/ THURSDAY FOR EXTREME SOUTHERN NEVADA...THE COLORADO
RIVER VALLEY AND EASTERN SAN BERNARDINO COUNTY...

The National Weather Service in Las Vegas has issued a Wind
Advisory, which is in effect from 2 AM PST /3 AM MST/ to 6 PM PST
/7 PM MST/ Thursday. 

* TIMING...Winds will increase with and behind a cold front after
  2 AM Thursday and continue through the afternoon.

* WINDS...North 25 to 35 MPH with gusts 40 to 55 MPH.

* IMPACTS...Strong cross winds will make driving difficult...
  especially for high profile vehicles. Use extra caution. Strong
  winds over the open waters will make the lake water choppy and
  hazardous...and may result in high waves which could tip or 
  swamp smaller craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drivers should use caution and be prepared for sudden wind gusts. Take
action to secure trash cans...lawn furniture...and other loose or
lightweight outdoor objects. Boaters should avoid the open waters
and stay close to shore or around protected areas.

&&

$$
3 follow-up statements
514 
WWUS75 KVEF 132153
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
153 PM PST Wed Dec 13 2017

AZZ002-036-CAZ524-526-527-NVZ021-022-141215-
/O.CON.KVEF.WI.Y.0052.171214T1000Z-171215T0200Z/
Lake Havasu and Fort Mohave-Lake Mead National Recreation Area-
Eastern Mojave Desert-Cadiz Basin-San Bernardino County-
Upper Colorado River Valley-Southern Clark County-
Including Lake Havasu City, Desert Hills, Topock, 
Bullhead City, Oatman, Mohave Valley, Baker, Mountain Pass, 
Mitchell Caverns, Vidal Junction, Needles, Hoover Dam, Laughlin, 
Primm, .Searchlight, and Cal-Nev-Ari
153 PM PST Wed Dec 13 2017 /253 PM MST Wed Dec 13 2017/

...WIND ADVISORY REMAINS IN EFFECT FROM 2 AM PST /3 AM MST/ TO
6 PM PST /7 PM MST/ THURSDAY...

* TIMING...Winds will increase with and behind a cold front 
  after 2 AM Thursday and continue through the afternoon. 

* WINDS...North 25 to 35 MPH with gusts 40 to 55 MPH.

* IMPACTS...Strong cross winds will make driving difficult... 
  especially for high profile vehicles. Use extra caution. 
  Strong winds over the open waters will make the lake water 
  choppy and hazardous...and may result in high waves which 
  could tip or swamp smaller craft. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drivers should use caution and be prepared for sudden wind gusts.
Take action to secure trash cans...lawn furniture...and other
loose or lightweight outdoor objects. Boaters should avoid the
open waters and stay close to shore or around protected areas.

&&

$$
845 
WWUS75 KVEF 141145
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
345 AM PST Thu Dec 14 2017

AZZ002-036-CAZ524-526-527-NVZ021-022-150200-
/O.CON.KVEF.WI.Y.0052.000000T0000Z-171215T0200Z/
Lake Havasu and Fort Mohave-Lake Mead National Recreation Area-
Eastern Mojave Desert-Cadiz Basin-San Bernardino County-
Upper Colorado River Valley-Southern Clark County-
Including Lake Havasu City, Desert Hills, Topock, 
Bullhead City, Oatman, Mohave Valley, Baker, Mountain Pass, 
Mitchell Caverns, Vidal Junction, Needles, Hoover Dam, Laughlin, 
Primm, .Searchlight, and Cal-Nev-Ari
345 AM PST Thu Dec 14 2017 /445 AM MST Thu Dec 14 2017/

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST /7 PM MST/ THIS
EVENING SOUTHERN CLARK COUNTY...THE COLORADO RIVER VALLEY AND
EASTERN SAN BERNARDINO COUNTY...

* TIMING...Winds will increase this morning and continue through 
  the afternoon. 

* WINDS...North 25 to 35 MPH with gusts 40 to 55 MPH.

* IMPACTS...Strong cross winds will make driving difficult... 
  especially for high profile vehicles. Use extra caution. 
  Strong winds over the open waters will make the lake water 
  choppy and hazardous...and may result in high waves which 
  could tip or swamp smaller craft. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drivers should use caution and be prepared for sudden wind gusts.
Take action to secure trash cans...lawn furniture...and other
loose or lightweight outdoor objects. Boaters should avoid the
open waters and stay close to shore or around protected areas.

&&

$$
715 
WWUS75 KVEF 150149
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
549 PM PST Thu Dec 14 2017

AZZ002-036-CAZ524-526-527-NVZ021-022-150300-
/O.EXP.KVEF.WI.Y.0052.000000T0000Z-171215T0200Z/
Lake Havasu and Fort Mohave-Lake Mead National Recreation Area-
Eastern Mojave Desert-Cadiz Basin-San Bernardino County-
Upper Colorado River Valley-Southern Clark County-
Including Lake Havasu City, Desert Hills, Topock, 
Bullhead City, Oatman, Mohave Valley, Baker, Mountain Pass, 
Mitchell Caverns, Vidal Junction, Needles, Hoover Dam, Laughlin, 
Primm, .Searchlight, and Cal-Nev-Ari
549 PM PST Thu Dec 14 2017 /649 PM MST Thu Dec 14 2017/

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

Wind speeds have decreased below 40 mph along the Colorado River 
Valley the past few hours and the Wind Advisory will be allowed to
expire on schedule. North winds gusting 20 to 30 mph will persist
overnight...especially near Laughlin and Bullhead City.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 13, 2:41 AM PSTFire Weather WatchVEFClark11 hr
Dec 13, 1:59 PM PSTRed Flag WarningVEFClark28 hr

Nearby

Wind Advisories in Nevada, 2017Wind Advisories in Arizona, 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.