Alert archive / Arizona / Wind Advisories in 2013

Wind Advisory 39, NWS Las Vegas, NV

December 8, 2013Mohave County, Arizona; San Bernardino County, California

NWS Las Vegas, NV issued this wind advisory at Dec 8, 2013, 3:57 PM MST for Mohave County, Arizona; San Bernardino County, California. It took effect at Dec 9, 2013, 10:00 AM MST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Dec 8, 2013, 3:57 PM MST (22:57 UTC)
In effect from
Dec 9, 2013, 10:00 AM MST
Expired
Dec 9, 2013, 3:52 PM MST
In force
6 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 23:03 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, 11.0 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 12:00Z on 2013-12-08Temperature 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 2013-12-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 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
3257 m above ground
0-6 km bulk shear
87 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
255 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS75 KVEF 082257
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
257 PM PST SUN DEC 8 2013

.MORE ARCTIC AIR DROPPING OUT OF CANADA WILL SPREAD DOWN THROUGH
SOUTHERN NEVADA AND THE SURROUNDING MOJAVE DESERT REGION...BRINGING
AN EXTENDED PERIOD OF SUB-FREEZING CONDITIONS. MANY AREAS WILL
EXPERIENCE LOW TEMPERATURES SEVERAL DEGREES COLDER THAN LAST WEEK.
THIS WILL ALSO BRING STRONG NORTH WINDS DOWN THE COLORADO RIVER
VALLEY MONDAY.

AZZ036-NVZ021-090830-
/O.NEW.KVEF.WI.Y.0039.131209T1700Z-131210T0200Z/
/O.CON.KVEF.HZ.W.0004.131209T0800Z-131210T1700Z/
LAKE MEAD NATIONAL RECREATION AREA-
INCLUDING...BULLHEAD CITY...MOHAVE VALLEY...
HOOVER DAM...LAUGHLIN
257 PM PST SUN DEC 8 2013 /357 PM MST SUN DEC 8 2013/

...HARD FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT PST /1 AM
MST/ TONIGHT TO 9 AM PST /10 AM MST/ TUESDAY...
...WIND ADVISORY IN EFFECT FROM 9 AM PST /10 AM MST/ TO 6 PM PST
/7 PM MST/ MONDAY...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND
ADVISORY FOR THE LAKE MEAD NATIONAL RECREATION AREA...WHICH IS IN
EFFECT FROM 9 AM PST /10 AM MST/ TO 6 PM PST /7 PM MST/ MONDAY.

A HARD FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT PST /1 AM MST/
TONIGHT TO 9 AM PST /10 AM MST/ TUESDAY.

* WINDS: NORTH 20 TO 35 MPH SUSTAINED WITH GUSTS 40 TO 50 MPH

* LOCATIONS: THE STRONGEST WINDS WILL OCCUR FROM COTTONWOOD COVE TO
  LAUGHLIN AND BULLHEAD CITY.

* TIMING: WIND SPEEDS WILL INCREASE MONDAY MORNING...PEAK DURING THE
  AFTERNOON THEN DECREASE MONDAY EVENING.

* WIND 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. A WIND
  ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE STRONG ENOUGH TO
  MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.

* EXPECTED LOW TEMPERATURES: AROUND 20 DEGREES IN THE OVERTON ARM...
  MID 20S NEAR BOULDER BEACH...LOWER 30S IN LAUGHLIN AND BULLHEAD
  CITY.

* FREEZE IMPACTS: A HARD FREEZE WARNING MEANS SUB-FREEZING
  TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS COULD
  DAMAGE EXPOSED PIPES...KILL CROPS AND OTHER SENSITIVE VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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. TAKE ACTION TO SECURE TRASH CANS
AND OTHER LOOSE OR LIGHTWEIGHT OUTDOOR OBJECTS. MOTORISTS WILL NEED
TO DRIVE WITH ADDED CAUTION DUE TO THE STRONG CROSS WINDS.

ARRANGE PROPER SHELTERING OF PETS WHO MAY SUFFER IF LEFT
OUTDOORS. TAKE EXTRA PRECAUTIONS TO PROTECT SENSITIVE PLANTS AND
COVER EXPOSED IRRIGATION PIPES AS THEY MAY GET DAMAGED. RUN POOL
PUMPS OVERNIGHT TO LIMIT THE POTENTIAL FOR DAMAGE.

&&

$$

AZZ003-CAZ522>526-NVZ016-017-020-022-090830-
/O.CON.KVEF.HZ.W.0004.131209T0800Z-131210T1700Z/
NORTHWEST DESERTS-DEATH VALLEY NATIONAL PARK-WESTERN MOJAVE DESERT-
EASTERN MOJAVE DESERT-MORONGO BASIN-CADIZ BASIN-
NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY-
LAS VEGAS VALLEY-SOUTHERN CLARK COUNTY-
INCLUDING...KINGMAN...GOLDEN VALLEY...DOLAN SPRINGS...
VALENTINE...WIKIEUP...YUCCA...FURNACE CREEK...SHOSHONE...BARSTOW...
DAGGETT...FORT IRWIN...BAKER...MOUNTAIN PASS...MITCHELL CAVERNS...
MORONGO VALLEY...YUCCA VALLEY...TWENTYNINE PALMS...VIDAL JUNCTION...
MESQUITE...OVERTON...MOAPA...PAHRUMP...INDIAN SPRINGS...
DESERT ROCK...AMARGOSA VALLEY...LAS VEGAS...NORTH LAS VEGAS...
HENDERSON...BOULDER CITY...SUMMERLIN...NELLIS...MOUNTAINS EDGE...
SEVEN HILLS...BLUE DIAMOND...PRIMM...SEARCHLIGHT...CAL-NEV-ARI
257 PM PST SUN DEC 8 2013 /357 PM MST SUN DEC 8 2013/

...HARD FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT PST /1 AM
MST/ TONIGHT TO 9 AM PST /10 AM MST/ TUESDAY...

A HARD FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT PST /1 AM
MST/ TONIGHT TO 9 AM PST /10 AM MST/ TUESDAY FOR MUCH OF THE MOJAVE
DESERT.

* LOCATIONS AND EXPECTED LOW TEMPERATURES:
  LAS VEGAS VALLEY...UPPER TEENS TO MID 20S. 
  PAHRUMP AREA...MID TO UPPER TEENS. 
  MESQUITE AREA...MID TO UPPER TEENS. 
  SOUTHERN CLARK COUNTY...LOW TO MID 20S.
  KINGMAN AREA...MID TO UPPER TEENS. 
  MEADVIEW AREA...MID 20S.
  BARSTOW AREA...LOW TO MID 20S. 
  BAKER AREA...MID 20S. 
  YUCCA AND MORONGO VALLEYS...MID 20S. 
  DEATH VALLEY AREA...UPPER 20S TO LOW 30S.

* IMPACTS: A HARD FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE
  IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS COULD DAMAGE EXPOSED
  PIPES..KILL CROPS AND OTHER SENSITIVE VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ARRANGE PROPER SHELTERING OF PETS WHO MAY SUFFER IF LEFT
OUTDOORS. TAKE EXTRA PRECAUTIONS TO PROTECT SENSITIVE PLANTS AND
COVER EXPOSED IRRIGATION PIPES AS THEY MAY GET DAMAGED. RUN POOL
PUMPS OVERNIGHT TO LIMIT THE POTENTIAL FOR DAMAGE.

&&

$$

AZZ002-CAZ527-090830-
/O.NEW.KVEF.WI.Y.0039.131209T1700Z-131210T0200Z/
LAKE HAVASU AND FORT MOHAVE-SAN BERNARDINO COUNTY-
UPPER COLORADO RIVER VALLEY-
INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK...
NEEDLES
257 PM PST SUN DEC 8 2013 /357 PM MST SUN DEC 8 2013/

...WIND ADVISORY IN EFFECT FROM 9 AM PST /10 AM MST/ TO 6 PM PST
/7 PM MST/ MONDAY...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND
ADVISORY FOR THE UPPER COLORADO RIVER VALLEY IN SAN BERNARDINO
COUNTY AND FOR LAKE HAVASU AND FORT MOHAVE...WHICH IS IN EFFECT FROM
9 AM PST /10 AM MST/ TO 6 PM PST /7 PM MST/ MONDAY.

* WINDS: NORTH 2O TO 30 MPH WITH GUSTS TO 45 MPH.

* TIMING: WINDS WILL INCREASE MONDAY MORNING PEAK DURING THE
  AFTERNOON THEN DECREASE EARLY MONDAY EVENING.

* LOCATIONS: NEEDLES...FORT MOHAVE...LAKE HAVASU.

* IMPACTS: A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE
  STRONG ENOUGH TO MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
  PROFILE VEHICLES. 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE ACTION TO SECURE TRASH CANS AND OTHER LOOSE OR LIGHTWEIGHT
OUTDOOR OBJECTS. MOTORISTS WILL NEED TO DRIVE WITH ADDED CAUTION DUE
TO THE STRONG CROSS WINDS. 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.

&&

$$

JA
3 follow-up statements
000 
WWUS75 KVEF 090817
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1217 AM PST MON DEC 9 2013

.ARCTIC AIR WILL CONTINUE TO SPREAD INTO SOUTHERN NEVADA AND THE
SURROUNDING MOJAVE DESERT REGION...RESULTING IN AN EXTENDED PERIOD
OF SUB-FREEZING CONDITIONS. MANY AREAS WILL EXPERIENCE LOW
TEMPERATURES THAT ARE SEVERAL DEGREES COLDER THAN THOSE EXPERIENCED LAST
WEEK. THIS SYSTEM WILL ALSO BRING STRONG NORTH WINDS TO THE COLORADO
RIVER VALLEY TODAY.

AZZ036-NVZ021-091700-
/O.CON.KVEF.HZ.W.0004.000000T0000Z-131210T1700Z/
/O.CON.KVEF.WI.Y.0039.131209T1700Z-131210T0200Z/
LAKE MEAD NATIONAL RECREATION AREA-
INCLUDING...BULLHEAD CITY...MOHAVE VALLEY...
HOOVER DAM...LAUGHLIN
1217 AM PST MON DEC 9 2013 /117 AM MST MON DEC 9 2013/

...HARD FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM PST /10 AM MST/
TUESDAY...
...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM PST /10 AM MST/ THIS
MORNING TO 6 PM PST /7 PM MST/ THIS EVENING...

A HARD FREEZE WARNING REMAINS IN EFFECT FOR THE LAKE MEAD RECREATION
AREA UNTIL 9 AM PST /10 AM MST/ TUESDAY. A WIND ADVISORY REMAINS IN
EFFECT FROM 9 AM PST /10 AM MST/ THIS MORNING TO 6 PM PST /7 PM MST/
THIS EVENING FOR THE LAKE MEAD RECREATION AREA.

* WINDS: NORTH 20 TO 35 MPH SUSTAINED WITH GUSTS 40 TO 50 MPH

* LOCATIONS: HOOVER DAM...LAUGHLIN...BULLHEAD CITY...MOHAVE 
  VALLEY 

* TIMING: WIND SPEEDS WILL INCREASE THIS MORNING...PEAK DURING THE
  AFTERNOON THEN DECREASE THIS EVENING.

* WIND 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. A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO 
  BE STRONG ENOUGH TO MAKE DRIVING DIFFICULT...ESPECIALLY FOR 
  HIGH PROFILE VEHICLES. 

* EXPECTED LOW TEMPERATURES: AROUND 20 DEGREES IN THE OVERTON 
  ARM...MID 20S NEAR BOULDER BEACH...LOWER 30S IN LAUGHLIN AND 
  BULLHEAD CITY. 

* FREEZE IMPACTS: A HARD FREEZE WARNING MEANS SUB-FREEZING 
  TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS 
  COULD DAMAGE EXPOSED PIPES...KILL CROPS AND OTHER SENSITIVE 
  VEGETATION. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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. TAKE ACTION TO SECURE TRASH CANS
AND OTHER LOOSE OR LIGHTWEIGHT OUTDOOR OBJECTS. MOTORISTS WILL NEED
TO DRIVE WITH ADDED CAUTION DUE TO THE STRONG CROSS WINDS.

ARRANGE PROPER SHELTERING OF PETS WHO MAY SUFFER IF LEFT OUTDOORS.
TAKE EXTRA PRECAUTIONS TO PROTECT SENSITIVE PLANTS AND COVER
EXPOSED IRRIGATION PIPES AS THEY MAY GET DAMAGED. RUN POOL PUMPS
OVERNIGHT TO LIMIT THE POTENTIAL FOR DAMAGE.

&&

$$

AZZ003-CAZ522>526-NVZ016-017-020-022-091700-
/O.CON.KVEF.HZ.W.0004.000000T0000Z-131210T1700Z/
NORTHWEST DESERTS-DEATH VALLEY NATIONAL PARK-WESTERN MOJAVE DESERT-
EASTERN MOJAVE DESERT-MORONGO BASIN-CADIZ BASIN-
NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY-
LAS VEGAS VALLEY-SOUTHERN CLARK COUNTY-
INCLUDING...KINGMAN...GOLDEN VALLEY...DOLAN SPRINGS...
VALENTINE...WIKIEUP...YUCCA...FURNACE CREEK...SHOSHONE...BARSTOW...
DAGGETT...FORT IRWIN...BAKER...MOUNTAIN PASS...MITCHELL CAVERNS...
MORONGO VALLEY...YUCCA VALLEY...TWENTYNINE PALMS...VIDAL JUNCTION...
MESQUITE...OVERTON...MOAPA...PAHRUMP...INDIAN SPRINGS...
DESERT ROCK...AMARGOSA VALLEY...LAS VEGAS...NORTH LAS VEGAS...
HENDERSON...BOULDER CITY...SUMMERLIN...NELLIS...MOUNTAINS EDGE...
SEVEN HILLS...BLUE DIAMOND...PRIMM...SEARCHLIGHT...CAL-NEV-ARI
1217 AM PST MON DEC 9 2013 /117 AM MST MON DEC 9 2013/

...HARD FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM PST /10 AM MST/
TUESDAY...

A HARD FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM PST /10 AM MST/
TUESDAY FOR MUCH OF THE MOJAVE DESERT.

* LOCATIONS AND EXPECTED LOW TEMPERATURES:
  LAS VEGAS VALLEY...UPPER TEENS TO MID 20S. 
  PAHRUMP AREA...MID TO UPPER TEENS. 
  MESQUITE AREA...MID TO UPPER TEENS. 
  SOUTHERN CLARK COUNTY...LOW TO MID 20S. 
  KINGMAN AREA...MID TO UPPER TEENS. 
  MEADVIEW AREA...MID 20S.
  BARSTOW AREA...LOW TO MID 20S. 
  BAKER AREA...MID 20S. 
  YUCCA AND MORONGO VALLEYS...MID 20S. 
  DEATH VALLEY AREA...UPPER 20S TO LOW 30S.

* IMPACTS: A HARD FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES
  ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS COULD DAMAGE 
  EXPOSED PIPES..KILL CROPS AND OTHER SENSITIVE VEGETATION. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ARRANGE PROPER SHELTERING OF PETS WHO MAY SUFFER IF LEFT OUTDOORS.
TAKE EXTRA PRECAUTIONS TO PROTECT SENSITIVE PLANTS AND COVER
EXPOSED IRRIGATION PIPES AS THEY MAY GET DAMAGED. RUN POOL PUMPS
OVERNIGHT TO LIMIT THE POTENTIAL FOR DAMAGE.

&&

$$

AZZ002-CAZ527-091700-
/O.CON.KVEF.WI.Y.0039.131209T1700Z-131210T0200Z/
LAKE HAVASU AND FORT MOHAVE-SAN BERNARDINO COUNTY-
UPPER COLORADO RIVER VALLEY-
INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK...
NEEDLES
1217 AM PST MON DEC 9 2013 /117 AM MST MON DEC 9 2013/

...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM PST /10 AM MST/ THIS
MORNING TO 6 PM PST /7 PM MST/ THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FOR THE UPPER COLORADO RIVER
VALLEY IN SAN BERNARDINO COUNTY...LAKE HAVASU AND LAKE
MOHAVE...FROM 9 AM PST /10 AM MST/ THIS MORNING TO 6 PM PST /7 PM
MST/ THIS EVENING.

* WINDS: NORTH 2O TO 30 MPH WITH GUSTS TO 45 MPH.

* TIMING: WINDS WILL INCREASE THIS MORNING...PEAK DURING THE
  AFTERNOON THEN DECREASE EARLY THIS EVENING.

* LOCATIONS: NEEDLES...LAKE HAVASU...DESERT HILLS...TOPOCK

* IMPACTS: A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED 
  TO BE STRONG ENOUGH TO MAKE DRIVING DIFFICULT...ESPECIALLY 
  FOR HIGH PROFILE VEHICLES. 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE ACTION TO SECURE TRASH CANS AND OTHER LOOSE OR LIGHTWEIGHT
OUTDOOR OBJECTS. MOTORISTS WILL NEED TO DRIVE WITH ADDED CAUTION
DUE TO THE STRONG CROSS WINDS. 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.

&&

$$
000 
WWUS75 KVEF 091659
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
859 AM PST MON DEC 9 2013

.ARCTIC AIR WILL CONTINUE TO SPREAD INTO SOUTHERN NEVADA AND THE
SURROUNDING MOJAVE DESERT REGION...RESULTING IN AN EXTENDED PERIOD
OF SUB-FREEZING CONDITIONS. MANY AREAS WILL EXPERIENCE LOW
TEMPERATURES THAT ARE SEVERAL DEGREES COLDER THAN THOSE EXPERIENCED
LAST WEEK. THIS SYSTEM WILL ALSO BRING STRONG NORTH WINDS TO THE
COLORADO RIVER VALLEY TODAY.

AZZ036-NVZ021-100000-
/O.CON.KVEF.HZ.W.0004.000000T0000Z-131210T1700Z/
/O.CON.KVEF.WI.Y.0039.131209T1700Z-131210T0200Z/
LAKE MEAD NATIONAL RECREATION AREA-
INCLUDING...BULLHEAD CITY...MOHAVE VALLEY...
HOOVER DAM...LAUGHLIN
859 AM PST MON DEC 9 2013 /959 AM MST MON DEC 9 2013/

...HARD FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM PST /10 AM MST/
TUESDAY...
...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST /7 PM MST/ THIS
EVENING...

A HARD FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM PST /10 AM MST/
TUESDAY FOR THE LAKE MEAD RECREATION AREA. A WIND ADVISORY REMAINS IN
EFFECT UNTIL 6 PM PST /7 PM MST/ THIS EVENING FOR THE LAKE MEAD
RECREATION.

* WINDS: NORTH 20 TO 35 MPH SUSTAINED WITH GUSTS 40 TO 50 MPH

* LOCATIONS: HOOVER DAM AND AREAS TO THE SOUTH INCLUDING COTTONWOOD
  COVE...KATHERINE LANDING...LAUGHLIN...BULLHEAD CITY...MOHAVE
  VALLEY.

* TIMING: WIND SPEEDS WILL PEAK DURING THE EARLY AFTERNOON THEN
  DECREASE THIS EVENING.

* WIND IMPACTS: STRONG WINDS IN EXCESS OF 30 MPH WILL CREATE
  DANGEROUS BOATING CONDITIONS ON AREA LAKES DURING THE ADVISORY
  PERIOD. A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE
  STRONG ENOUGH TO MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
  PROFILE VEHICLES.

* EXPECTED LOW TEMPERATURES: AROUND 20 DEGREES IN THE OVERTON 
  ARM...MID 20S NEAR BOULDER BEACH...LOWER 30S IN LAUGHLIN AND 
  BULLHEAD CITY.

* FREEZE IMPACTS: A HARD FREEZE WARNING MEANS SUB-FREEZING 
  TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS 
  COULD DAMAGE EXPOSED PIPES...KILL CROPS AND OTHER SENSITIVE 
  VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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. TAKE ACTION TO SECURE TRASH CANS
AND OTHER LOOSE OR LIGHTWEIGHT OUTDOOR OBJECTS. MOTORISTS WILL NEED
TO DRIVE WITH ADDED CAUTION DUE TO THE STRONG CROSS WINDS.

ARRANGE PROPER SHELTERING OF PETS WHO MAY SUFFER IF LEFT OUTDOORS.
TAKE EXTRA PRECAUTIONS TO PROTECT SENSITIVE PLANTS AND COVER
EXPOSED IRRIGATION PIPES AS THEY MAY GET DAMAGED. RUN POOL PUMPS
OVERNIGHT TO LIMIT THE POTENTIAL FOR DAMAGE.

&&

$$

AZZ003-CAZ522>526-NVZ016-017-020-022-100000-
/O.CON.KVEF.HZ.W.0004.000000T0000Z-131210T1700Z/
NORTHWEST DESERTS-DEATH VALLEY NATIONAL PARK-WESTERN MOJAVE DESERT-
EASTERN MOJAVE DESERT-MORONGO BASIN-CADIZ BASIN-
NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY-
LAS VEGAS VALLEY-SOUTHERN CLARK COUNTY-
INCLUDING...KINGMAN...GOLDEN VALLEY...DOLAN SPRINGS...
VALENTINE...WIKIEUP...YUCCA...FURNACE CREEK...SHOSHONE...BARSTOW...
DAGGETT...FORT IRWIN...BAKER...MOUNTAIN PASS...MITCHELL CAVERNS...
MORONGO VALLEY...YUCCA VALLEY...TWENTYNINE PALMS...VIDAL JUNCTION...
MESQUITE...OVERTON...MOAPA...PAHRUMP...INDIAN SPRINGS...
DESERT ROCK...AMARGOSA VALLEY...LAS VEGAS...NORTH LAS VEGAS...
HENDERSON...BOULDER CITY...SUMMERLIN...NELLIS...MOUNTAINS EDGE...
SEVEN HILLS...BLUE DIAMOND...PRIMM...SEARCHLIGHT...CAL-NEV-ARI
859 AM PST MON DEC 9 2013 /959 AM MST MON DEC 9 2013/

...HARD FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM PST /10 AM MST/
TUESDAY...

A HARD FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM PST /10 AM MST/
TUESDAY FOR MUCH OF THE MOJAVE DESERT.

* LOCATIONS AND EXPECTED LOW TEMPERATURES:
  LAS VEGAS VALLEY...UPPER TEENS TO MID 20S. 
  PAHRUMP AREA...MID TO UPPER TEENS. 
  MESQUITE AREA...MID TO UPPER TEENS. 
  SOUTHERN CLARK COUNTY...LOW TO MID 20S. 
  KINGMAN AREA...MID TO UPPER TEENS. 
  MEADVIEW AREA...MID 20S.
  BARSTOW AREA...LOW TO MID 20S. 
  BAKER AREA...MID 20S. 
  YUCCA AND MORONGO VALLEYS...MID 20S. 
  DEATH VALLEY AREA...UPPER 20S TO LOW 30S.

* IMPACTS: A HARD FREEZE WARNING MEANS SUB-FREEZING 
  TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS 
  COULD DAMAGE EXPOSED PIPES..KILL CROPS AND OTHER SENSITIVE 
  VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ARRANGE PROPER SHELTERING OF PETS WHO MAY SUFFER IF LEFT OUTDOORS.
TAKE EXTRA PRECAUTIONS TO PROTECT SENSITIVE PLANTS AND COVER
EXPOSED IRRIGATION PIPES AS THEY MAY GET DAMAGED. RUN POOL PUMPS
OVERNIGHT TO LIMIT THE POTENTIAL FOR DAMAGE.

&&

$$

AZZ002-CAZ527-100000-
/O.CON.KVEF.WI.Y.0039.131209T1700Z-131210T0200Z/
LAKE HAVASU AND FORT MOHAVE-SAN BERNARDINO COUNTY-
UPPER COLORADO RIVER VALLEY-
INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK...
NEEDLES
859 AM PST MON DEC 9 2013 /959 AM MST MON DEC 9 2013/

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

A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST /7 PM MST/ THIS
EVENING OR THE UPPER COLORADO RIVER VALLEY IN SAN BERNARDINO
COUNTY...LAKE HAVASU AND FORT MOHAVE.

* WINDS: NORTH 2O TO 30 MPH WITH GUSTS TO 45 MPH.

* TIMING: WINDS WILL PEAK DURING THE PEAK AFTERNOON THEN DECREASE
  EARLY THIS EVENING.

* LOCATIONS: NEEDLES...LAKE HAVASU...FORT MOHAVE...DESERT
  HILLS...TOPOCK

* IMPACTS: A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE
  STRONG ENOUGH TO MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
  PROFILE VEHICLES. STRONG WINDS IN EXCESS OF 30 MPH WILL CREATE
  DANGEROUS BOATING CONDITIONS ON AREA LAKES DURING THE ADVISORY
  PERIOD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE ACTION TO SECURE TRASH CANS AND OTHER LOOSE OR LIGHTWEIGHT
OUTDOOR OBJECTS. MOTORISTS WILL NEED TO DRIVE WITH ADDED CAUTION
DUE TO THE STRONG CROSS WINDS. 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.

&&

$$
000 
WWUS75 KVEF 092252
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
252 PM PST MON DEC 9 2013

AZZ036-NVZ021-100600-
/O.CAN.KVEF.WI.Y.0039.000000T0000Z-131210T0200Z/
/O.CON.KVEF.HZ.W.0004.000000T0000Z-131210T1700Z/
LAKE MEAD NATIONAL RECREATION AREA-
INCLUDING...BULLHEAD CITY...MOHAVE VALLEY...
HOOVER DAM...LAUGHLIN
252 PM PST MON DEC 9 2013 /352 PM MST MON DEC 9 2013/

...HARD FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM PST /10 AM MST/
TUESDAY...
...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS CANCELLED THE WIND
ADVISORY FOR THE LAKE MEAD RECREATION AREA. A HARD FREEZE WARNING
REMAINS IN EFFECT FOR THE LAKE MEAD RECREATION AREA UNTIL 9 AM PST
/10 AM MST/ TUESDAY.

* WINDS: WIND GUSTS HAVE DROPPED BELOW 40 MPH THIS AFTERNOON AND
  SPEEDS WILL CONTINUE TO DECREASE ACROSS MOST LAKE MEAD AND LAKE
  MOHAVE THROUGH EARLY THIS EVENING. HOWEVER...SUSTAINED SPEEDS OF
  20 TO 30 MPH WILL PERSIST NEAR LAUGHLIN AND BULLHEAD CITY
  OVERNIGHT.

* EXPECTED LOW TEMPERATURES: AROUND 20 DEGREES IN THE OVERTON 
  ARM...MID 20S NEAR BOULDER BEACH...LOWER 30S IN LAUGHLIN AND 
  BULLHEAD CITY.

* FREEZE IMPACTS: A HARD FREEZE WARNING MEANS SUB-FREEZING 
  TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS 
  COULD DAMAGE EXPOSED PIPES...KILL CROPS AND OTHER SENSITIVE 
  VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ARRANGE PROPER SHELTERING OF PETS WHO MAY SUFFER IF LEFT OUTDOORS.
TAKE EXTRA PRECAUTIONS TO PROTECT SENSITIVE PLANTS AND COVER
EXPOSED IRRIGATION PIPES AS THEY MAY GET DAMAGED. RUN POOL PUMPS
OVERNIGHT TO LIMIT THE POTENTIAL FOR DAMAGE.

&&

$$

AZZ002-CAZ527-100000-
/O.CAN.KVEF.WI.Y.0039.000000T0000Z-131210T0200Z/
LAKE HAVASU AND FORT MOHAVE-SAN BERNARDINO COUNTY-
UPPER COLORADO RIVER VALLEY-
252 PM PST MON DEC 9 2013 /352 PM MST MON DEC 9 2013/

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS CANCELLED THE WIND
ADVISORY FOR THE UPPER COLORADO RIVER VALLEY OF SAN BERNARDINO
COUNTY...LAKE HAVASU AND FORT MOHAVE. NORTH WINDS WILL CONTINUE TO
DIMINISH THIS AFTERNOON WITH SUSTAINED SPEEDS OF 10 TO 15 MPH
PERSISTING OVERNIGHT.

$$

AZZ003-CAZ522>526-NVZ016-017-020-022-100600-
/O.CON.KVEF.HZ.W.0004.000000T0000Z-131210T1700Z/
NORTHWEST DESERTS-DEATH VALLEY NATIONAL PARK-WESTERN MOJAVE DESERT-
EASTERN MOJAVE DESERT-MORONGO BASIN-CADIZ BASIN-
NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY-
LAS VEGAS VALLEY-SOUTHERN CLARK COUNTY-
INCLUDING...KINGMAN...GOLDEN VALLEY...DOLAN SPRINGS...
VALENTINE...WIKIEUP...YUCCA...FURNACE CREEK...SHOSHONE...BARSTOW...
DAGGETT...FORT IRWIN...BAKER...MOUNTAIN PASS...MITCHELL CAVERNS...
MORONGO VALLEY...YUCCA VALLEY...TWENTYNINE PALMS...VIDAL JUNCTION...
MESQUITE...OVERTON...MOAPA...PAHRUMP...INDIAN SPRINGS...
DESERT ROCK...AMARGOSA VALLEY...LAS VEGAS...NORTH LAS VEGAS...
HENDERSON...BOULDER CITY...SUMMERLIN...NELLIS...MOUNTAINS EDGE...
SEVEN HILLS...BLUE DIAMOND...PRIMM...SEARCHLIGHT...CAL-NEV-ARI
252 PM PST MON DEC 9 2013 /352 PM MST MON DEC 9 2013/

...HARD FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM PST /10 AM MST/
TUESDAY...

A HARD FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM PST /10 AM MST/
TUESDAY FOR MUCH OF THE MOJAVE DESERT. 

* LOCATIONS AND EXPECTED LOW TEMPERATURES:
  LAS VEGAS VALLEY...UPPER TEENS TO MID 20S. 
  PAHRUMP AREA...MID TO UPPER TEENS. 
  MESQUITE AREA...LOWER 20S. 
  SOUTHERN CLARK COUNTY...UPPER TEENS TO LOWER 20S. 
  KINGMAN AREA...LOWER TO MID TEENS. 
  MEADVIEW AREA...MID 20S.
  BARSTOW AREA...LOW TO MID 20S. 
  BAKER AREA...MID 20S. 
  YUCCA AND MORONGO VALLEYS...MID 20S. 
  DEATH VALLEY AREA...UPPER 20S TO LOW 30S.

* IMPACTS: A PERIOD OF SUB-FREEZING TEMPERATURES FOR 12 HOURS
  OR MORE WILL OCCUR TONIGHT THROUGH TUESDAY MORNING. THESE
  CONDITIONS COULD IMPACT PETS...DAMAGE EXPOSED PIPES...KILL CROPS
  AND OTHER SENSITIVE VEGETATION IF PRECAUTIONS ARE NOT TAKEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ARRANGE PROPER SHELTERING OF PETS WHO MAY SUFFER IF LEFT OUTDOORS.
TAKE EXTRA PRECAUTIONS TO PROTECT SENSITIVE PLANTS AND COVER
EXPOSED IRRIGATION PIPES AS THEY MAY GET DAMAGED. RUN POOL PUMPS
OVERNIGHT TO LIMIT THE POTENTIAL FOR DAMAGE.

&&

$$

JA

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 8, 3:48 AM MSTHard Freeze WarningVEF54 hr
Dec 8, 3:22 PM MSTWind Chill WarningVEFEsmeralda, Lincoln, Nye19 hr

Nearby

Wind Advisories in Arizona, 2013Wind Advisories in California, 2013Wind Advisories in Nevada, 2013Every wind advisory in 2013

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.