Alert archive / Nevada / Winter Storm Warnings in 2011

Winter Storm Warning 9, NWS Las Vegas, NV

December 11, 2011Clark County, Lincoln County, Nye County, Nevada

NWS Las Vegas, NV issued this winter storm warning at Dec 11, 2011, 1:56 PM PST for Clark County, Lincoln County, Nye County, Nevada. It took effect at Dec 12, 2011, 4:00 PM PST. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 11, 2011, 1:56 PM PST (21:56 UTC)
In effect from
Dec 12, 2011, 4:00 PM PST
Expired
Dec 12, 2011, 9:23 PM PST
In force
5 hr
Issued by
NWS Las Vegas, NV

Counties Clark County, NV, Lincoln County, NV, Nye County, NV

The radar

The Las Vegas radar (KESX), 185 km from the middle of the area, began a volume at 21:57 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, 9.9 hours before the alert went out and 103 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 2011-12-11Temperature 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 2011-12-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 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
2729 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
67 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.

792 
WWUS45 KVEF 112156
WSWVEF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
156 PM PST SUN DEC 11 2011

.A STORM SYSTEM WILL MOVE EAST ACROSS FAR SOUTHERN CALIFORNIA
INTO WESTERN ARIZONA MONDAY NIGHT THROUGH TUESDAY. SIGNIFICANT
PRECIPITATION IS EXPECTED WITH THIS STORM...WITH HEAVY SNOW ABOVE
5000 FEET IN SOUTHERN MOHAVE COUNTY ARIZONA AND CLARK COUNTY
NEVADA.

AZZ003-NVZ019-120600-
/O.UPG.KVEF.WS.A.0010.111213T0000Z-111214T0000Z/
/O.NEW.KVEF.WS.W.0009.111213T0000Z-111214T0000Z/
NORTHWEST DESERTS-SPRING MOUNTAINS-RED ROCK CANYON-
INCLUDING...THE TOWN OF MT CHARLESTON
156 PM PST SUN DEC 11 2011 /256 PM MST SUN DEC 11 2011/

...WINTER STORM WARNING IN EFFECT FROM 4 PM PST /5 PM MST/ MONDAY
TO 4 PM PST /5 PM MST/ TUESDAY ABOVE 5000 FEET...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WINTER
STORM WARNING FOR AREAS ABOVE 5000 FEET IN CENTRAL AND SOUTHERN
MOHAVE COUNTY AND THE SPRING MOUNTAINS OF CLARK COUNTY FOR HEAVY
SNOW...WHICH IS IN EFFECT FROM 4 PM PST /5 PM MST/ MONDAY TO 4 PM
PST /5 PM MST/ TUESDAY. THIS REPLACES THE WINTER STORM WATCH WHICH
HAD BEEN IN EFFECT.

* TIMING: SNOW WILL INCREASE MONDAY EVENING...PEAK IN INTENSITY
  MONDAY NIGHT...THEN TAPER OFF FROM WEST TO EAST ON TUESDAY.

* SNOW LEVEL: AROUND 5000 FEET.

* TOTAL SNOW ACCUMULATIONS: EIGHT TO 16 INCHES.

* WINDS: LESS THAN 20 MPH.

* IMPACTS: RESIDENTS AND TRAVELERS SHOULD BE PREPARED FOR 
  HAZARDOUS WINTER WEATHER CONDITIONS AND POSSIBLE ROAD 
  CLOSURES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  ONLY TRAVEL IN AN EMERGENCY
SINCE SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE
TRAVEL DANGEROUS. IF YOU MUST TRAVEL...KEEP AN EXTRA
FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

&&

$$

NVZ018-120600-
/O.NEW.KVEF.WS.W.0009.111213T0000Z-111214T0000Z/
SHEEP RANGE-
156 PM PST SUN DEC 11 2011

...WINTER STORM WARNING IN EFFECT FROM 4 PM MONDAY TO 4 PM PST
TUESDAY ABOVE 5000 FEET...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WINTER
STORM WARNING FOR AREAS ABOVE 5000 FEET IN THE SHEEP RANGE FOR
HEAVY SNOW...WHICH IS IN EFFECT FROM 4 PM MONDAY TO 4 PM PST
TUESDAY.

* TIMING: SNOW WILL INCREASE MONDAY EVENING...PEAK IN INTENSITY
  MONDAY NIGHT...THEN TAPER OFF ON TUESDAY.

* SNOW LEVEL: AROUND 5000 FEET.

* TOTAL SNOW ACCUMULATIONS: EIGHT TO 16 INCHES.

* WINDS: LESS THAN 20 MPH.

* IMPACTS: RESIDENTS AND TRAVELERS SHOULD BE PREPARED FOR 
  HAZARDOUS WINTER WEATHER CONDITIONS AND POSSIBLE ROAD 
  CLOSURES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  ONLY TRAVEL IN AN EMERGENCY
SINCE SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE
TRAVEL DANGEROUS. IF YOU MUST TRAVEL...KEEP AN EXTRA
FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

&&

$$

MORGAN
5 follow-up statements
796 
WWUS45 KVEF 120555
WSWVEF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
955 PM PST SUN DEC 11 2011

.A STORM SYSTEM WILL MOVE EAST ACROSS FAR SOUTHERN CALIFORNIA
INTO WESTERN ARIZONA MONDAY NIGHT THROUGH TUESDAY. SIGNIFICANT
SNOW IS EXPECTED WITH THIS STORM ACROSS THE HIGHER TERRAIN OF
EASTERN SAN BERNARDINO COUNTY ABOVE 4000 FEET AND HEAVY SNOW
IS EXPECTED ABOVE 5000 FEET IN SOUTHERN MOHAVE COUNTY ARIZONA AND
CLARK COUNTY NEVADA.

AZZ003-NVZ018-019-121200-
/O.CON.KVEF.WS.W.0009.111213T0000Z-111214T0000Z/
NORTHWEST DESERTS-SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-
INCLUDING...THE TOWN OF MT CHARLESTON
955 PM PST SUN DEC 11 2011 /1055 PM MST SUN DEC 11 2011/

...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM PST /5 PM
MST/ MONDAY TO 4 PM PST /5 PM MST/ TUESDAY ABOVE 5000 FEET...

A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT FROM
4 PM MONDAY TO 4 PM TUESDAY FOR CENTRAL AND SOUTHERN MOHAVE
COUNTY ARIZONA...AND THE SPRING MOUNTAINS...RED ROCK CANYON AND
SHEEP RANGE IN SOUTHERN NEVADA.

* TIMING: SNOW WILL INCREASE MONDAY EVENING...PEAK IN INTENSITY 
  MONDAY NIGHT...THEN TAPER OFF FROM WEST TO EAST ON TUESDAY. 

* SNOW LEVEL: AROUND 5000 FEET.

* TOTAL SNOW ACCUMULATIONS: EIGHT TO 16 INCHES.

* WINDS: LESS THAN 20 MPH.

* IMPACTS: RESIDENTS AND TRAVELERS SHOULD BE PREPARED FOR 
  HAZARDOUS WINTER WEATHER CONDITIONS AND POSSIBLE ROAD 
  CLOSURES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST TRAVEL...KEEP AN
EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

&&

$$

CAZ524-121200-
/O.NEW.KVEF.WW.Y.0021.111213T0000Z-111213T1800Z/
EASTERN MOJAVE DESERT-
INCLUDING THE CITIES OF...MOUNTAIN PASS...MITCHELL CAVERNS
955 PM PST SUN DEC 11 2011

...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM MONDAY TO 10 AM
PST TUESDAY ABOVE 4000 FEET...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WINTER
WEATHER ADVISORY ABOVE 4000 FEET FOR SNOW...WHICH IS IN EFFECT
FROM 4 PM MONDAY TO 10 AM TUESDAY FOR THE EASTERN MOJAVE DESERT
OF SAN BERNARDINO COUNTY.

* TIMING: SNOW WILL DEVELOP OVER THE HIGHER TERRAIN LATE MONDAY
  AFTERNOON THEN PEAK SNOWFALL IS EXPECTED TO OCCUR BETWEEN 7 PM
  MONDAY EVENING AND 4 AM TUESDAY MORNING. SNOW WILL TAPER OFF
  EARLY TUESDAY MORNING BUT PERIODS OF LIGHT SNOW ARE STILL
  EXPECTED THROUGH MID MORNING.

* SNOW LEVEL: BEGINNING AROUND 5000 FEET MONDAY AFTERNOON THEN
  LOWERING TO BETWEEN 4000 AND 4500 FEET MONDAY EVENING AND OVERNIGHT.

* TOTAL SNOW ACCUMULATIONS: 3 TO 6 INCHES.

* WINDS: SOUTH 5 TO 15 MPH.

* IMPACTS: A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS
  OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES ALONG I-15 OVER
  MOUNTAIN PASS...AND IN THE HIGHER ELEVATIONS OF THE MOJAVE
  NATIONAL PRESERVE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES. USE
CAUTION WHILE DRIVING. 

&&

$$

JA
030 
WWUS45 KVEF 121200
WSWVEF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
359 AM PST MON DEC 12 2011

.AN INITIAL WEATHER DISTURBANCE WILL BRING LIGHT PRECIPITATION TO
THE MOJAVE DESERT TODAY. THE MAIN STORM SYSTEM WILL MOVE EAST
ACROSS FAR SOUTHERN CALIFORNIA INTO WESTERN ARIZONA LATER TONIGHT THROUGH
TUESDAY. SIGNIFICANT SNOW IS EXPECTED WITH THIS STORM ACROSS THE
HIGHER TERRAIN OF EASTERN SAN BERNARDINO COUNTY ABOVE 4000 FEET
AND HEAVY SNOW IS EXPECTED ABOVE 5000 FEET IN SOUTHERN MOHAVE
COUNTY ARIZONA AND CLARK COUNTY NEVADA.

AZZ003-NVZ018-019-122000-
/O.CON.KVEF.WS.W.0009.111213T0000Z-111214T0000Z/
NORTHWEST DESERTS-SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-
INCLUDING...THE TOWN OF MT CHARLESTON
359 AM PST MON DEC 12 2011 /459 AM MST MON DEC 12 2011/

...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM PST /5 PM
MST/ THIS AFTERNOON TO 4 PM PST /5 PM MST/ TUESDAY ABOVE
5000 FEET...

A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT FROM
4 PM PST /5 PM MST/ THIS AFTERNOON TO 4 PM PST /5 PM MST/
TUESDAY FOR CENTRAL AND SOUTHERN MOHAVE COUNTY...SPRING
MOUNTAINS...RED ROCK CANYON AND THE SHEEP RANGE..

* TIMING: SNOW WILL INCREASE EARLY THIS EVENING...PEAK IN
  INTENSITY TONIGHT...THEN TAPER OFF FROM WEST TO EAST ON
  TUESDAY.

* SNOW LEVEL: AROUND 5000 FEET.

* TOTAL SNOW ACCUMULATIONS: EIGHT TO 16 INCHES.

* WINDS: LESS THAN 20 MPH.

* IMPACTS: RESIDENTS AND TRAVELERS SHOULD BE PREPARED FOR 
  HAZARDOUS WINTER WEATHER CONDITIONS AND POSSIBLE ROAD 
  CLOSURES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST TRAVEL...KEEP AN
EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

&&

$$

CAZ524-122000-
/O.CON.KVEF.WW.Y.0021.111213T0000Z-111213T1800Z/
EASTERN MOJAVE DESERT-
INCLUDING THE CITIES OF...MOUNTAIN PASS...MITCHELL CAVERNS
359 AM PST MON DEC 12 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 10 AM PST TUESDAY ABOVE 4000 FEET...

A WINTER WEATHER ADVISORY ABOVE 4000 FEET REMAINS IN EFFECT FROM
4 PM THIS AFTERNOON TO 10 AM PST TUESDAY FOR THE EASTERN MOJAVE
DESERT OF SAN BERNARDINO COUNTY...WHICH ENCOMPASSES THE MOJAVE
NATIONAL PRESERVE.

* TIMING: LIGHT SNOW WILL DEVELOP OVER THE HIGHER TERRAIN LATE
  THIS AFTERNOON...PEAK IN INTENSITY BETWEEN 7 PM THIS EVENING AND
  4 AM TUESDAY MORNING. SNOW WILL TAPER OFF TUESDAY MORNING BUT
  PERIODS OF LIGHT SNOW ARE STILL EXPECTED THROUGH THE DAY.

* SNOW LEVEL: BEGINNING AROUND 5000 FEET THIS AFTERNOON THEN
  LOWERING TO BETWEEN 4000 AND 4500 FEET THIS EVENING AND
  OVERNIGHT.

* TOTAL SNOW ACCUMULATIONS: 3 TO 6 INCHES.

* WINDS: SOUTH 5 TO 15 MPH.

* IMPACTS: A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT 
  PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES 
  ALONG I-15 OVER MOUNTAIN PASS...AND IN THE HIGHER ELEVATIONS 
  OF THE MOJAVE NATIONAL PRESERVE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES. USE
CAUTION WHILE DRIVING.

&&

$$

PIERCE
566 
WWUS45 KVEF 121947
WSWVEF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1147 AM PST MON DEC 12 2011

.A STORM SYSTEM NEAR SAN DIEGO WILL MOVE EAST ACROSS FAR NORTHERN
MEXICO INTO WESTERN ARIZONA LATER TONIGHT THROUGH TUESDAY.
SIGNIFICANT SNOW IS EXPECTED WITH THIS STORM ACROSS THE HIGHER
TERRAIN OF EASTERN SAN BERNARDINO COUNTY ABOVE 4000 FEET...AND
HEAVY SNOW IS EXPECTED ABOVE 5000 FEET IN SOUTHERN MOHAVE COUNTY
ARIZONA AND CLARK COUNTY NEVADA.

AZZ003-NVZ018-019-130030-
/O.CON.KVEF.WS.W.0009.111213T0000Z-111214T0000Z/
NORTHWEST DESERTS-SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-
INCLUDING...THE TOWN OF MT CHARLESTON
1147 AM PST MON DEC 12 2011 /1247 PM MST MON DEC 12 2011/

...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM PST /5 PM
MST/ THIS AFTERNOON TO 4 PM PST /5 PM MST/ TUESDAY ABOVE
5000 FEET...

A WINTER STORM WARNING FOR AREAS ABOVE 5000 FEET IN CLARK COUNTY
AND SOUTHERN MOHAVE COUNTY REMAINS IN EFFECT FROM 4 PM PST /5 PM
MST/ THIS AFTERNOON TO 4 PM PST /5 PM MST/ TUESDAY.

* TIMING: SNOW WILL INCREASE LATE THIS AFTERNOON...PEAK IN
  INTENSITY TONIGHT...THEN TAPER OFF FROM WEST TO EAST ON TUESDAY.

* SNOW LEVEL: AROUND 5000 FEET.

* TOTAL SNOW ACCUMULATIONS: EIGHT TO 16 INCHES.

* WINDS: LESS THAN 20 MPH.

* IMPACTS: RESIDENTS AND TRAVELERS SHOULD BE PREPARED FOR 
  HAZARDOUS WINTER WEATHER CONDITIONS AND POSSIBLE ROAD 
  CLOSURES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST TRAVEL...KEEP AN
EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

&&

$$

CAZ524-130030-
/O.CON.KVEF.WW.Y.0021.111213T0000Z-111213T1800Z/
EASTERN MOJAVE DESERT-
INCLUDING THE CITIES OF...MOUNTAIN PASS...MITCHELL CAVERNS
1147 AM PST MON DEC 12 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 10 AM PST TUESDAY ABOVE 4000 FEET...

A WINTER WEATHER ADVISORY FOR AREAS ABOVE 4000 FEET IN EASTERN SAN
BERNARDINO COUNTY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
10 AM PST TUESDAY.

* TIMING: SNOW WILL DEVELOP LATE THIS AFTERNOON AND PEAK IN
  INTENSITY FROM THIS EVENING THROUGH TUESDAY MORNING. SNOW WILL
  TAPER OFF DURING THE DAY TUESDAY.

* SNOW LEVEL: ABOVE 4000 FEET.

* TOTAL SNOW ACCUMULATIONS: 3 TO 6 INCHES.

* WINDS: SOUTH 5 TO 15 MPH.

* IMPACTS: A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT 
  PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES 
  ALONG I-15 OVER MOUNTAIN PASS...AND IN THE HIGHER ELEVATIONS 
  OF THE MOJAVE NATIONAL PRESERVE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES. USE
CAUTION WHILE DRIVING.

&&

$$

MORGAN
826 
WWUS45 KVEF 130010
WSWVEF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
410 PM PST MON DEC 12 2011

.A STORM SYSTEM ALONG THE SOUTHERN CALIFORNIA COAST WILL MOVE
ACROSS FAR NORTHERN MEXICO INTO WESTERN ARIZONA TONIGHT THROUGH
TUESDAY. SIGNIFICANT SNOW IS EXPECTED WITH THIS STORM ACROSS THE
HIGHER TERRAIN OF EASTERN SAN BERNARDINO COUNTY ABOVE 4000
FEET...AND HEAVY SNOW IS EXPECTED ABOVE 4000 FEET IN SOUTHERN
MOHAVE COUNTY ARIZONA AND CLARK COUNTY NEVADA.

AZZ003-NVZ018-019-130600-
/O.CON.KVEF.WS.W.0009.000000T0000Z-111214T0000Z/
NORTHWEST DESERTS-SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-
INCLUDING THE CITIES OF...VALENTINE...THE TOWN OF MT CHARLESTON
410 PM PST MON DEC 12 2011 /510 PM MST MON DEC 12 2011/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST /5 PM
MST/ TUESDAY ABOVE 4000 FEET...

A WINTER STORM WARNING FOR AREAS ABOVE 4000 FEET IN CLARK COUNTY
AND SOUTHERN MOHAVE COUNTY REMAINS IN EFFECT UNTIL 4 PM PST /5 PM
MST/ TUESDAY.

* TIMING: SNOW WILL CONTINUE...HEAVY AT TIMES...ACROSS THE HIGHER
  TERRAIN OF CLARK COUNTY NEVADA AND MOHAVE COUNTY ARIZONA THROUGH
  MIDNIGHT THEN BEGIN TO DECREASE IN COVERAGE EARLY TUESDAY
  MORNING. INTERMITTENT SNOW IS STILL EXPECTED THROUGH THE DAY
  TUESDAY...ESPECIALLY OVER CENTRAL MOHAVE COUNTY ARIZONA.

* SNOW LEVEL: ABOVE 4000 FEET.

* TOTAL SNOW ACCUMULATIONS: IT NOW APPEARS ACCUMULATIONS FOR THE
  SPRING MOUNTAINS AND SHEEP RANGE WILL BETWEEN 6 AND 12 INCHES
  DOWN TO ELEVATIONS NEAR 4000 FEET. A TOTAL OF EIGHT TO 16 INCHES
  STILL LOOKS LIKELY FOR THE MOUNTAINS OF CENTRAL MOHAVE COUNTY
  WHICH SHOULD SEE LONGER DURATION OF SNOWFALL.

* WINDS: LESS THAN 20 MPH.

* IMPACTS: RESIDENTS AND TRAVELERS SHOULD BE PREPARED FOR
  HAZARDOUS WINTER WEATHER CONDITIONS AND POSSIBLE ROAD
  CLOSURES...ESPECIALLY ALONG I-40 EAST OF KINGMAN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST TRAVEL...KEEP AN
EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

&&

$$

CAZ524-130600-
/O.CON.KVEF.WW.Y.0021.000000T0000Z-111213T1800Z/
EASTERN MOJAVE DESERT-
INCLUDING THE CITIES OF...MOUNTAIN PASS...MITCHELL CAVERNS
410 PM PST MON DEC 12 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
TUESDAY ABOVE 4000 FEET...

A WINTER WEATHER ADVISORY ABOVE 4000 FEET REMAINS IN EFFECT UNTIL
10 AM PST TUESDAY FOR EASTERN SAN BERNARDINO COUNTY CALIFORNIA.

* TIMING: SNOWFALL WILL INCREASE THROUGH EARLY THIS EVENING AND
  SEE ITS PEAK INTENSITY UP UNTIL MIDNIGHT THEN BECOME MORE
  INTERMITTENT THROUGH TUESDAY MORNING.

* SNOW LEVEL: ABOVE 4000 FEET.

* TOTAL SNOW ACCUMULATIONS: 3 TO 6 INCHES.

* WINDS: SOUTH 5 TO 15 MPH.

* IMPACTS: A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT 
  PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES 
  ALONG I-15 OVER MOUNTAIN PASS...AND IN THE HIGHER ELEVATIONS 
  OF THE MOJAVE NATIONAL PRESERVE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES. USE
CAUTION WHILE DRIVING.

&&

$$

JA
693 
WWUS45 KVEF 130523
WSWVEF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
923 PM PST MON DEC 12 2011

.HEAVY SNOW IS NO LONGER EXPECTED IN THE MOUNTAINS OF CLARK COUNTY
NEVADA AND MOHAVE COUNTY ARIZONA AS AN AREA OF PRECIPITATION LIFTS
TO THE NORTH OVERNIGHT. INTERMITTENT SNOW OR OCCASIONAL SNOW
SHOWERS WILL STILL PRODUCE SOME TRAVEL CONCERNS WITH LIGHT TO
MODERATE SNOW AMOUNTS STILL POSSIBLE THROUGH TUESDAY MORNING.

AZZ003-NVZ018-019-131330-
/O.CAN.KVEF.WS.W.0009.000000T0000Z-111214T0000Z/
/O.NEW.KVEF.WW.Y.0022.111213T0523Z-111213T1800Z/
NORTHWEST DESERTS-SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-
INCLUDING THE CITIES OF...VALENTINE...THE TOWN OF MT CHARLESTON
923 PM PST MON DEC 12 2011 /1023 PM MST MON DEC 12 2011/

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM PST /11 AM MST/
TUESDAY ABOVE 4000 FEET...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WINTER
WEATHER ADVISORY ABOVE 4000 FEET FOR SNOW...WHICH IS IN EFFECT
UNTIL 10 AM PST /11 AM MST/ TUESDAY. THE WINTER STORM WARNING HAS
BEEN CANCELLED.

* TIMING: SNOWFALL WILL DIMINISH AND BECOME MORE INTERMITTENT THE
  REST OF TONIGHT THROUGH TUESDAY MORNING THEN TAPER OFF TO
  OCCASIONAL SNOW SHOWERS OVER THE MOUNTAINS BY TUESDAY AFTERNOON.

* SNOW LEVEL: BETWEEN 4000 AND 4500 FEET THROUGH TUESDAY MORNING
  THEN RISING TO AROUND 5000 FEET TUESDAY AFTERNOON.

* TOTAL SNOW ACCUMULATIONS: ADDITIONAL SNOW ACCUMULATIONS OF 3 TO
  5 INCHES CAN BE EXPECTED FOR THE SPRING MOUNTAINS AND SHEEP
  RANGE AT ELEVATIONS ABOVE 4000 FEET. ADDITIONAL ACCUMULATIONS OF
  2 TO 4 INCHES CAN BE EXPECTED ABOVE 4000 FEET IN CENTRAL MOHAVE
  COUNTY.

* WINDS: LESS THAN 15 MPH.

* IMPACTS: PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL
  DIFFICULTIES ON ROADS ABOVE 4000 FEET IN THE SPRING MOUNTAINS OF
  SOUTHERN NEVADA AND IN CENTRAL MOHAVE COUNTY ARIZONA THROUGH
  TUESDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND
USE CAUTION WHILE DRIVING.


&&

$$

CAZ524-130630-
/O.CAN.KVEF.WW.Y.0021.000000T0000Z-111213T1800Z/
EASTERN MOJAVE DESERT-
INCLUDING THE CITIES OF...MOUNTAIN PASS...MITCHELL CAVERNS
923 PM PST MON DEC 12 2011

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS CANCELLED THE
WINTER WEATHER ADVISORY FOR EASTERN SAN BERNARDINO COUNTY ABOVE
4000 FEET. SNOW ENDED ALONG INTERSTATE 15 NEAR MOUNTAIN PASS
BEFORE 9 PM THIS EVENING. THOUGH FLURRIES OR A PASSING SNOW
SHOWER WILL STILL BE POSSIBLE...PERSISTENT SNOWFALL IS NO LONGER
EXPECTED THE REST OF TONIGHT THROUGH TUESDAY MORNING.

$$

JA

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 11, 3:38 AM PSTWinter Storm WatchVEFClark, Nye10 hr

Nearby

Winter Storm Warnings in Nevada, 2011Winter Storm Warnings in Arizona, 2011Every winter storm warning in 2011

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.