Alert archive / California / Wind Advisories in 2018

Wind Advisory 33, NWS Las Vegas, NV

November 6, 2018San Bernardino County, California; Clark County, Nevada; Mohave County, Arizona

NWS Las Vegas, NV issued this wind advisory at Nov 6, 2018, 2:05 PM PST for San Bernardino County, California; Clark County, Nevada; Mohave County, Arizona. It took effect at Nov 8, 2018, 4:00 AM PST. It was in force for 32 hr.

The area

The counties it named.

The facts

Issued
Nov 6, 2018, 2:05 PM PST (22:05 UTC)
In effect from
Nov 8, 2018, 4:00 AM PST
Expired
Nov 9, 2018, 11:51 AM PST
In force
32 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 22:10 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, 10.1 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 12:00Z on 2018-11-06Temperature 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 2018-11-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 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
2948 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

425 
WWUS75 KVEF 062205
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
205 PM PST Tue Nov 6 2018

AZZ002-036-CAZ524-526-527-NVZ021-022-071100-
/O.NEW.KVEF.WI.Y.0033.181108T1200Z-181109T2000Z/
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
205 PM PST Tue Nov 6 2018 /305 PM MST Tue Nov 6 2018/

...WIND ADVISORY IN EFFECT FROM 4 AM PST /5 AM MST/ THURSDAY TO
NOON PST /1 PM MST/ FRIDAY...

The National Weather Service in Las Vegas has issued a Wind
Advisory, which is in effect from 4 AM PST /5 AM MST/ Thursday to
noon PST /1 PM MST/ Friday. 

* TIMING...Winds will increase early Thursday morning down the
  Overton Arm of Lake Mead. The winds will then spread south into
  the Lower Colorado River Valley, southern Clark and eastern San
  Bernardino Counties. Winds will peak Thursday afternoon and 
  night before decreasing Friday morning. 

* WINDS...Sustained north winds 25 to 35 mph with gusts 40 to 50 
  mph.
 
* IMPACTS...Strong winds in excess of 30 MPH will create 
  dangerous boating conditions on area lakes during the advisory 
  period. These winds will create very choppy waters and generate 
  large waves which could capsize or swamp small craft. For your 
  personal safety...operators of small craft are urged to postpone
  their outings until the winds subside. If you do venture out 
  onto the lakes...avoid the open water and stay close to shore or
  in protected coves and inlets.

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.

&&

$$
6 follow-up statements
817 
WWUS75 KVEF 071016
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
216 AM PST Wed Nov 7 2018

AZZ002-036-CAZ524-526-527-NVZ021-022-080000-
/O.CON.KVEF.WI.Y.0033.181108T1200Z-181109T2000Z/
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
216 AM PST Wed Nov 7 2018 /316 AM MST Wed Nov 7 2018/

...WIND ADVISORY REMAINS IN EFFECT FROM 4 AM PST /5 AM MST/
THURSDAY TO NOON PST /1 PM MST/ FRIDAY...

* TIMING...Winds will increase early Thursday morning down the 
  Overton Arm of Lake Mead. The winds will then spread south 
  into the Lower Colorado River Valley, southern Clark and 
  eastern San Bernardino Counties. Winds will peak Thursday 
  afternoon and night before decreasing Friday morning. 

* WINDS...Sustained north winds 25 to 35 mph with gusts 40 to 50 
  mph. 

* IMPACTS...Strong winds in excess of 30 MPH will create 
  dangerous boating conditions on area lakes during the advisory 
  period. These winds will create very choppy waters and 
  generate large waves which could capsize or swamp small craft. 
  For your personal safety...operators of small craft are urged 
  to postpone their outings until the winds subside. If you do 
  venture out onto the lakes...avoid the open water and stay 
  close to shore or in protected coves and inlets. 

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.

&&

$$
132 
WWUS75 KVEF 072152
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
152 PM PST Wed Nov 7 2018

AZZ002-036-CAZ524-526-527-NVZ021-022-081230-
/O.CON.KVEF.WI.Y.0033.181108T1200Z-181109T2000Z/
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
152 PM PST Wed Nov 7 2018 /252 PM MST Wed Nov 7 2018/

...WIND ADVISORY REMAINS IN EFFECT FROM 4 AM PST /5 AM MST/
THURSDAY TO NOON PST /1 PM MST/ FRIDAY...

* TIMING...Winds will increase early Thursday morning down the 
  Overton Arm of Lake Mead. The winds will then spread south 
  into the Lower Colorado River Valley, southern Clark and 
  eastern San Bernardino Counties. Winds will peak Thursday 
  afternoon and night before decreasing Friday morning. 

* WINDS...Sustained north winds 25 to 35 mph with gusts 40 to 50 
  mph. 

* IMPACTS...Strong winds in excess of 30 MPH will create 
  dangerous boating conditions on area lakes during the advisory 
  period. These winds will create very choppy waters and 
  generate large waves which could capsize or swamp small craft. 
  For your personal safety...operators of small craft are urged 
  to postpone their outings until the winds subside. If you do 
  venture out onto the lakes...avoid the open water and stay 
  close to shore or in protected coves and inlets. 

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.

&&

$$

AZZ003-NVZ017-081230-
/O.NEW.KVEF.FZ.A.0002.181109T0600Z-181109T1600Z/
Northwest Deserts-Western Clark and Southern Nye County-
Including Kingman, Golden Valley, Dolan Springs, 
Valentine, Wikieup, Yucca, Pahrump, Indian Springs, Desert Rock, 
and Amargosa Valley
152 PM PST Wed Nov 7 2018 /252 PM MST Wed Nov 7 2018/

...FREEZE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
MORNING...

The National Weather Service in Las Vegas has issued a Freeze
Watch, which is in effect from Thursday evening through Friday
morning. 

* TEMPERATURE...Low temperatures of 29 to 32 degrees are expected
  in sheltered locations Friday morning, with more widespread
  temperatures of 28 to 32 expected Saturday morning as wind
  speeds relax. 

* IMPACTS...These temperatures will mark the end of the growing 
  season. Sub freezing temperatures will also pose dangers to pets
  left outside and any sensitive vegetation. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Watch means sub-freezing temperatures are possible.
These conditions could kill crops and other sensitive vegetation.
Preparations should be made to protect exposed outdoor water
pipes.

&&

$$
365 
WWUS75 KVEF 081222
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
422 AM PST Thu Nov 8 2018

AZZ002-036-CAZ524-526-527-NVZ021-022-090000-
/O.CON.KVEF.WI.Y.0033.000000T0000Z-181109T2000Z/
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
422 AM PST Thu Nov 8 2018 /522 AM MST Thu Nov 8 2018/

...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON PST /1 PM MST/
FRIDAY...

* TIMING...Winds will increase early Thursday morning down the 
  Overton Arm of Lake Mead. The winds will then spread south 
  into the Lower Colorado River Valley, southern Clark and 
  eastern San Bernardino Counties. Winds will peak Thursday 
  afternoon and night before decreasing Friday morning. 

* WINDS...Sustained north winds 25 to 35 mph with gusts 40 to 50 
  mph. 

* IMPACTS...Strong winds in excess of 30 MPH will create 
  dangerous boating conditions on area lakes during the advisory 
  period. These winds will create very choppy waters and 
  generate large waves which could capsize or swamp small craft. 
  For your personal safety...operators of small craft are urged 
  to postpone their outings until the winds subside. If you do 
  venture out onto the lakes...avoid the open water and stay 
  close to shore or in protected coves and inlets. 

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.

&&

$$

AZZ003-NVZ017-090000-
/O.CON.KVEF.FZ.A.0002.181109T0600Z-181109T1600Z/
Northwest Deserts-Western Clark and Southern Nye County-
Including Kingman, Golden Valley, Dolan Springs, 
Valentine, Wikieup, Yucca, Pahrump, Indian Springs, Desert Rock, 
and Amargosa Valley
422 AM PST Thu Nov 8 2018 /522 AM MST Thu Nov 8 2018/

...FREEZE WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
FRIDAY MORNING...

* TEMPERATURE...Low temperatures of 29 to 32 degrees are 
  expected in sheltered locations Friday morning, with more 
  widespread temperatures of 28 to 32 expected Saturday morning 
  as wind speeds relax. 

* IMPACTS...These temperatures will mark the end of the growing 
  season. Sub freezing temperatures will also pose dangers to 
  pets left outside and any sensitive vegetation. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Watch means sub-freezing temperatures are possible.
These conditions could kill crops and other sensitive vegetation.
Preparations should be made to protect exposed outdoor water
pipes.

&&

$$
567 
WWUS75 KVEF 082030
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
1230 PM PST Thu Nov 8 2018

AZZ003-NVZ017-082130-
/O.CAN.KVEF.FZ.A.0002.181109T0600Z-181109T1600Z/
Northwest Deserts-Western Clark and Southern Nye County-
Including the cities of Kingman, Golden Valley, Dolan Springs, 
Valentine, Wikieup, Yucca, Pahrump, Indian Springs, Desert Rock, 
and Amargosa Valley
1230 PM PST Thu Nov 8 2018 /130 PM MST Thu Nov 8 2018/

...FREEZE WATCH IS CANCELLED...

The National Weather Service in Las Vegas has cancelled the
Freeze Watch.

Forecasted low temperatures in the watch area are now marginally 
above freezing temperatures for Friday morning. While some 
locations may see temperatures near or just below 32 degrees, 
most areas will remain warmer and impacts will be minimal.

$$

AZZ002-036-CAZ524-526-527-NVZ021-022-091130-
/O.CON.KVEF.WI.Y.0033.000000T0000Z-181109T2000Z/
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 the cities of 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
1230 PM PST Thu Nov 8 2018 /130 PM MST Thu Nov 8 2018/

...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON PST /1 PM MST/
FRIDAY...

* TIMING...Winds are close to peaking this afternoon and are
  expected to remain elevated overnight before decreasing Friday 
  morning.

* WINDS...North 20 to 30 mph with gusts up to 40 to 50 mph
  possible.

* IMPACTS...Strong winds may blow down limbs and small trees. 
  Driving hazards for high profile vehicles are possible in 
  localized areas. 

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.

&&

$$
019 
WWUS75 KVEF 091129
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
329 AM PST Fri Nov 9 2018

AZZ002-036-CAZ524-526-527-NVZ021-022-092000-
/O.CON.KVEF.WI.Y.0033.000000T0000Z-181109T2000Z/
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
329 AM PST Fri Nov 9 2018 /429 AM MST Fri Nov 9 2018/

...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON PST /1 PM MST/
TODAY...

* TIMING...Gusty north winds will continue through the morning
  hours before diminishing early this afternoon.  

* WINDS...North 20 to 30 mph with gusts up to 40 to 50 mph.

* IMPACTS...Strong winds may blow down limbs and small trees.
  Driving hazards for high profile vehicles are possible in
  localized areas. Gusty winds will also create dangerous boating
  conditions on area lakes.

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.

Strong winds in excess of 30 MPH will create dangerous boating
conditions on area lakes during the advisory period. These winds
will create very choppy waters and generate large waves which
could capsize or swamp small craft.

&&

$$
325 
WWUS75 KVEF 091951
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
1151 AM PST Fri Nov 9 2018


AZZ002-036-CAZ524-526-527-NVZ021-022-092100-
/O.CAN.KVEF.WI.Y.0033.000000T0000Z-181109T2000Z/
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 the cities of 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
1151 AM PST Fri Nov 9 2018 /1251 PM MST Fri Nov 9 2018/

...WIND ADVISORY IS CANCELLED...

The National Weather Service in Las Vegas has cancelled the Wind
Advisory.

Wind speeds and gusts in the Advisory area remain elevated but
continue to show a general downward trend this afternoon. Impacts
will be minimal as these winds will continue to subside. 
Localized areas may gust as high as 40 mph over the next couple 
hours. 

$$

Nearby

Wind Advisories in California, 2018Wind Advisories in Nevada, 2018Wind Advisories in Arizona, 2018Every wind advisory in 2018

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.