Alert archive / California / Wind Advisories in 2017

Wind Advisory 48, NWS Las Vegas, NV

November 18, 2017San Bernardino County, California; Mohave County, Arizona

NWS Las Vegas, NV issued this wind advisory at Nov 18, 2017, 3:38 AM PST for San Bernardino County, California; Mohave County, Arizona. It took effect at Nov 18, 2017, 4:00 AM PST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Nov 18, 2017, 3:38 AM PST (11:38 UTC)
In effect from
Nov 18, 2017, 4:00 AM PST
Expired
Nov 18, 2017, 2:19 PM PST
In force
10 hr
Issued by
NWS Las Vegas, NV

Counties Mohave County, AZ, San Bernardino County, CA

The radar

The Las Vegas radar (KESX), 48 km from the middle of the area, began a volume at 11:36 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, 11.6 hours before the alert went out and 133 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 2017-11-18Temperature 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 2017-11-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 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
2577 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
72 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.

132 
WWUS75 KVEF 181138
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
338 AM PST Sat Nov 18 2017

AZZ002-036-CAZ527-NVZ021-181945-
/O.NEW.KVEF.WI.Y.0048.171118T1200Z-171119T0000Z/
Lake Havasu and Fort Mohave-Lake Mead National Recreation Area-
San Bernardino County-Upper Colorado River Valley-
Including Lake Havasu City, Desert Hills, Topock, 
Bullhead City, Oatman, Mohave Valley, Needles, Hoover Dam, 
and Laughlin
338 AM PST Sat Nov 18 2017 /438 AM MST Sat Nov 18 2017/

...WIND ADVISORY IN EFFECT UNTIL 4 PM PST /5 PM MST/ THIS
AFTERNOON...

The National Weather Service in Las Vegas has issued a Wind 
Advisory, which is in effect until 4 PM PST /5 PM MST/ this 
afternoon. 

* TIMING...Gusty winds will remain this morning and peak between 7
  AM PST /8 AM MST/ and 9 AM PST /10 AM MST/ then decrease 
  through the afternoon.

* WINDS...North winds 25-30 MPH with gusts around 35-45 MPH. The
  strongest wind gusts will primarily affect areas south of 
  Cottonwood Cove.

* IMPACTS...Strong winds will create crosswinds making driving
  difficult. Unsecured objects such as trash cans will be blown 
  around. Choppy water and increased wave heights will lead 
  hazardous boating conditions, primarily across Lake Mohave and 
  Lake Havasu.

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-NVZ017-181945-
/O.NEW.KVEF.FZ.A.0001.171119T0500Z-171119T1400Z/
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
338 AM PST Sat Nov 18 2017 /438 AM MST Sat Nov 18 2017/

...FREEZE WATCH IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...

The National Weather Service in Las Vegas has issued a Freeze
Watch, which is in effect from this evening through late tonight.

* TEMPERATURES...30 to 32 degrees.

* IMPACTS...Near freezing temperature may damage or kill sensitive
  crops. 

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.

&&

$$
2 follow-up statements
230 
WWUS75 KVEF 181815
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
1015 AM PST Sat Nov 18 2017

AZZ003-NVZ017-190215-
/O.UPG.KVEF.FZ.A.0001.171119T0500Z-171119T1400Z/
/O.NEW.KVEF.FZ.W.0002.171119T0600Z-171119T1600Z/
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
1015 AM PST Sat Nov 18 2017 /1115 AM MST Sat Nov 18 2017/

...FREEZE WARNING IN EFFECT FROM 10 PM PST /11 PM MST/ THIS
EVENING TO 8 AM PST /9 AM MST/ SUNDAY...

The National Weather Service in Las Vegas has issued a Freeze
Warning, which is in effect from 10 PM PST /11 PM MST/ this
evening to 8 AM PST /9 AM MST/ Sunday.

The Freeze Watch is no longer in effect. 

* TEMPERATURE...Falling to 25 to 32 degrees.

* Impacts...This will be the first widespread freeze of the season
  for Kingman and surrounding areas; as well as the Pahrump
  Valley. People should take precautions now to protect any plants
  sensitive to freezing temperatures and protect any exposed 
  pipes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation. Bring pets indoors to protect them from the
cold. Steps should be taken to protect exposed outdoor water
pipes

&&

$$

AZZ002-036-CAZ527-NVZ021-190000-
/O.CON.KVEF.WI.Y.0048.000000T0000Z-171119T0000Z/
Lake Havasu and Fort Mohave-Lake Mead National Recreation Area-
San Bernardino County-Upper Colorado River Valley-
Including Lake Havasu City, Desert Hills, Topock, 
Bullhead City, Oatman, Mohave Valley, Needles, Hoover Dam, 
and Laughlin
1015 AM PST Sat Nov 18 2017 /1115 AM MST Sat Nov 18 2017/

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST /5 PM MST/ THIS
AFTERNOON...

* TIMING...Gusty winds will continue this morning then decrease 
  through the afternoon. 

* WINDS...North winds 25-30 MPH with gusts around 35-45 MPH. The 
  strongest wind gusts will primarily affect areas south of 
  Cottonwood Cove. 

* IMPACTS...Strong winds will create crosswinds making driving 
  difficult. Unsecured objects such as trash cans will be blown 
  around. Choppy water and increased wave heights will lead 
  hazardous boating conditions, primarily across Lake Mohave and 
  Lake Havasu. 

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.

&&

$$
304 
WWUS75 KVEF 182219
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
219 PM PST Sat Nov 18 2017

AZZ002-036-CAZ527-NVZ021-182330-
/O.CAN.KVEF.WI.Y.0048.000000T0000Z-171119T0000Z/
Lake Havasu and Fort Mohave-Lake Mead National Recreation Area-
San Bernardino County-Upper Colorado River Valley-
Including Lake Havasu City, Desert Hills, Topock, 
Bullhead City, Oatman, Mohave Valley, Needles, Hoover Dam, 
and Laughlin
219 PM PST Sat Nov 18 2017 /319 PM MST Sat Nov 18 2017/

...WIND ADVISORY IS CANCELLED...

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

The north wind within the lower Colorado River Valley has started
to decrease this afternoon. That decreasing trend will continue
into early evening so the Wind Advisory has been cancelled.

$$

AZZ003-NVZ017-190615-
/O.CON.KVEF.FZ.W.0002.171119T0600Z-171119T1600Z/
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
219 PM PST Sat Nov 18 2017 /319 PM MST Sat Nov 18 2017/

...FREEZE WARNING REMAINS IN EFFECT FROM 10 PM PST /11 PM MST/
THIS EVENING TO 8 AM PST /9 AM MST/ SUNDAY...

The Freeze Watch is no longer in effect.

* TEMPERATURE...Falling to 25 to 32 degrees.

* Impacts...This will be the first widespread freeze of the 
  season for Kingman and surrounding areas; as well as the 
  Pahrump Valley. People should take precautions now to protect 
  any plants sensitive to freezing temperatures and protect any 
  exposed pipes. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Freeze Warning means sub-freezing temperatures are imminent or
highly likely. These conditions will kill crops and other
sensitive vegetation. Bring pets indoors to protect them from the
cold. Steps should be taken to protect exposed outdoor water
pipes

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 18, 3:38 AM PSTFreeze WatchVEF7 hr
Nov 18, 10:15 AM PSTFreeze WarningVEF22 hr

Nearby

Wind Advisories in California, 2017Wind Advisories in Arizona, 2017Wind 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.