Alert archive / Arizona / Winter Storm Watches in 2012

Winter Storm Watch 8, NWS Las Vegas, NV

March 15, 2012

NWS Las Vegas, NV issued this winter storm watch at Mar 15, 2012, 2:16 PM MST. It took effect at Mar 17, 2012, 8:00 PM MST. It was in force for .

The area

The counties it named.

The facts

Issued
Mar 15, 2012, 2:16 PM MST (21:16 UTC)
In effect from
Mar 17, 2012, 8:00 PM MST
Expired
Mar 16, 2012, 2:31 PM MST
In force
Issued by
NWS Las Vegas, NV

The text

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

245 
WWUS45 KVEF 152116
WSWVEF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
216 PM PDT THU MAR 15 2012

...SIGNIFICANT SNOW POSSIBLE FROM LATE FRIDAY NIGHT INTO SUNDAY
AFTERNOON...

.A PACIFIC STORM ACCOMPANIED BY A PLUME OF SUBTROPICAL MOISTURE
IS EXPECTED TO APPROACH THE COAST OF CALIFORNIA FRIDAY NIGHT
BEFORE MOVING ACROSS THE MOJAVE DESERT AND SOUTHERN GREAT BASIN
ON SATURDAY AFTERNOON INTO SATURDAY EVENING. THIS STORM IS
EXPECTED TO PRODUCE HEAVY SNOW ACROSS AREA MOUNTAINS...
ESPECIALLY THE EASTERN SLOPES OF THE SOUTHERN SIERRA NEVADA...THE
WHITE MOUNTAINS OF INYO COUNTY AS WELL AS...THE SPRING MOUNTAINS AND
SHEEP RANGE IN SOUTHERN NEVADA AS WELL AS THE HIGHER TERRAIN OF
CENTRAL MOHAVE COUNTY.

NVZ018-019-160530-
/O.UPG.KVEF.WS.A.0007.120317T1900Z-120318T0700Z/
/O.NEW.KVEF.WS.W.0005.120317T1800Z-120318T0700Z/
SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-
INCLUDING...THE TOWN OF MT CHARLESTON
216 PM PDT THU MAR 15 2012

...WINTER STORM WARNING IN EFFECT FROM 11 AM SATURDAY TO MIDNIGHT
PDT SATURDAY NIGHT ABOVE 5000 FEET...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WINTER
STORM WARNING ABOVE 5000 FEET FOR HEAVY SNOW FOR THE SPRING
MOUNTAINS AND SHEEP RANGE...WHICH IS IN EFFECT FROM 11 AM
SATURDAY TO MIDNIGHT PDT SATURDAY NIGHT. THE WINTER STORM WATCH IS
NO LONGER IN EFFECT.

* TIMING: SNOW IS EXPECTED TO BEGIN DURING THE EARLY AFTERNOON
  HOURS ON SATURDAY...PEAK IN INTENSITY LATE SATURDAY AFTERNOON
  INTO EARLY EVENING...THEN TAPER OFF TOWARDS MIDNIGHT SATURDAY
  NIGHT.

* SNOW LEVEL: SNOW LEVELS SHOULD BEGIN BETWEEN 6500 AND 7000 FEET
  SATURDAY AFTERNOON BEFORE LOWERING TO 3500 TO 4000 FEET BY
  MIDNIGHT SATURDAY NIGHT.

* TOTAL SNOW ACCUMULATIONS: 8 TO 16 INCHES OF SNOW IS EXPECTED
  ABOVE 7000 FEET. 4 TO 8 INCHES IS EXPECTED BETWEEN 5000 AND 7000
  FEET WITH LESSER AMOUNTS DOWN TO 3500 FEET.

* WINDS: SOUTHWEST TO WEST WINDS SUSTAINED AT 20 TO 30 MPH WITH 
  GUSTS OF 40 TO 60 MPH ARE EXPECTED.

* IMPACTS: SNOW WILL LIKELY MAKE FOR DIFFICULT IF NOT 
  IMPOSSIBLE TRAVEL CONDITIONS ON AREA ROADS ESPECIALLY ABOVE 
  7000 FEET. TRAVEL ON HIGHWAY 160 BETWEEN PAHRUMP AND LAS 
  VEGAS COULD BE IMPACTED.

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.

&&

$$

CAZ519-521-160530-
/O.UPG.KVEF.WS.A.0007.120317T0700Z-120318T0700Z/
/O.NEW.KVEF.WS.W.0005.120317T0700Z-120318T0700Z/
EASTERN SIERRA SLOPES-WHITE MOUNTAINS OF INYO COUNTY-
INCLUDING THE CITIES OF...ASPENDELL...WHITNEY PORTAL
216 PM PDT THU MAR 15 2012

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT FRIDAY NIGHT TO
MIDNIGHT PDT SATURDAY NIGHT ABOVE 6000 FEET...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WINTER
STORM WARNING ABOVE 6000 FEET FOR HEAVY SNOW FOR THE EASTERN
SLOPES OF THE SOUTHERN SIERRA NEVADA AND THE WHITE MOUNTAINS OF
INYO COUNTY...WHICH IS IN EFFECT FROM MIDNIGHT FRIDAY NIGHT TO
MIDNIGHT PDT SATURDAY NIGHT. THE WINTER STORM WATCH IS NO LONGER
IN EFFECT.

* TIMING: SNOW WILL INCREASE IN INTENSITY EARLY SATURDAY
  MORNING...BE THE HEAVIEST LATE SATURDAY MORNING INTO SATURDAY
  AFTERNOON...THEN DECREASE SATURDAY EVENING.

* SNOW LEVEL: SNOW LEVELS ARE EXPECTED TO START BETWEEN 7000 AND
  7500 FEET EARLY SATURDAY MORNING THEN FALL TO 4000 TO 4500 FEET
  BY SATURDAY NIGHT.

* TOTAL SNOW ACCUMULATIONS: THE HEAVIEST ACCUMULATIONS OF SNOW 
  ARE EXPECTED TO BE ABOVE 7000 FEET. TOTAL SNOW ACCUMULATIONS 
  OF 1 TO 2 FEET ARE EXPECTED IN THE EASTERN SLOPES OF THE 
  SOUTHERN SIERRA NEVADA WITH LOCALLY HIGHER AMOUNTS TOWARDS 
  THE CREST. TOTAL SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE 
  EXPECTED IN THE WHITE MOUNTAINS OF INYO COUNTY.

* WINDS: SOUTHWEST TO WEST WINDS SUSTAINED AT 20 TO 30 MPH WITH 
  GUSTS OF 40 TO 60 MPH ARE EXPECTED.

* IMPACTS: HEAVY SNOW WILL MAKE TRAVEL DIFFICULT...IF NOT
  IMPOSSIBLE...ON AREA ROADS INCLUDING HIGHWAY 168 BETWEEN
  ASPENDELL AND THE FOOTHILLS WEST OF BISHOP AND ON WESTGARD PASS
  THROUGH THE WHITE MOUNTAINS.

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.

&&

$$

AZZ003-160530-
/O.NEW.KVEF.WS.A.0008.120318T0300Z-120319T0300Z/
NORTHWEST DESERTS-
216 PM MST THU MAR 15 2012

...WINTER STORM WATCH IN EFFECT FROM SATURDAY EVENING THROUGH
SUNDAY EVENING ABOVE 5000 FEET...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WINTER
STORM WATCH FOR HEAVY SNOW ABOVE 5000 FEET FOR CENTRAL AND
SOUTHERN MOHAVE COUNTY AWAY FROM THE COLORADO RIVER...WHICH IS IN
EFFECT FROM SATURDAY EVENING THROUGH SUNDAY EVENING.

* TIMING: SNOW IS EXPECTED TO BEGIN SATURDAY EVENING...INCREASE IN
  INTENSITY LATE SATURDAY EVENING...THEN DECREASE IN INTENSITY
  TOWARDS DAYBREAK SUNDAY. SNOW IS EXPECTED TO PICK BACK UP IN
  INTENSITY LATE SUNDAY MORNING INTO SUNDAY AFTERNOON BEFORE
  DECREASING SUNDAY EVENING.

* SNOW LEVEL: SNOW LEVELS SHOULD BEGIN AROUND 6500 FEET SATURDAY
  EVENING THEN LOWER TO 3500 FEET BY SUNDAY MORNING.

* TOTAL SNOW ACCUMULATIONS: 6 TO 12 INCHES ARE EXPECTED ABOVE 5000
  FEET. 3 TO 6 INCHES ABOVE 4500 FEET WITH LESSER AMOUNTS DOWN TO
  3500 FEET.

* WINDS: SOUTHWEST WINDS SUSTAINED AT 20 TO 30 MPH WITH GUSTS UP
  TO 45 MPH.

* IMPACTS: HEAVY SNOW MAY MAKE TRAVEL DIFFICULT...IF NOT
  IMPOSSIBLE...ON ROADS ON HUALAPAI MOUNTAIN AS WELL AS ALONG
  INTERSTATE 40 FROM EAST OF KINGMAN TOWARDS THE YAVAPAI COUNTY
  LINE WHICH INCLUDES THE FORT ROCK AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH IS ISSUED WHEN CONDITIONS ARE FAVORABLE FOR
HAZARDOUS WINTER WEATHER TO DEVELOP...BUT THE OCCURRENCE IS STILL
UNCERTAIN.

&&

$$

STACHELSKI/GORELOW
3 follow-up statements
955 
WWUS45 KVEF 160512
WSWVEF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1012 PM PDT THU MAR 15 2012

...SIGNIFICANT SNOW POSSIBLE FROM LATE FRIDAY NIGHT INTO SUNDAY
AFTERNOON...

.A STRONG PACIFIC STORM IS FORECAST TO MOVE INTO THE SOUTHERN
SIERRA FRIDAY NIGHT AND THEN ACROSS THE MOJAVE DESERT AND SOUTHERN
GREAT BASIN ON SATURDAY INTO SATURDAY EVENING. THIS STORM IS
EXPECTED TO PRODUCE HEAVY SNOW ACROSS AREA MOUNTAINS...ESPECIALLY
THE EASTERN SLOPES OF THE SOUTHERN SIERRA NEVADA...THE WHITE
MOUNTAINS OF INYO COUNTY AS WELL AS...THE SPRING MOUNTAINS AND
SHEEP RANGE IN SOUTHERN NEVADA AS WELL AS THE HIGHER TERRAIN OF
CENTRAL MOHAVE COUNTY.

NVZ018-019-161315-
/O.CON.KVEF.WS.W.0005.120317T1800Z-120318T0700Z/
SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-
INCLUDING...THE TOWN OF MT CHARLESTON
1012 PM PDT THU MAR 15 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM SATURDAY TO
MIDNIGHT PDT SATURDAY NIGHT ABOVE 5000 FEET...

A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT FROM
11 AM SATURDAY TO MIDNIGHT PDT SATURDAY NIGHT FOR THE SHEEP RANGE...
THE SPRING MOUNTAINS AND RED ROCK CANYON.

* TIMING: SNOW IS EXPECTED TO BEGIN DURING THE EARLY AFTERNOON 
  HOURS ON SATURDAY...PEAK IN INTENSITY LATE SATURDAY AFTERNOON 
  INTO EARLY EVENING...THEN TAPER OFF TOWARDS MIDNIGHT SATURDAY 
  NIGHT. 

* SNOW LEVEL: SNOW LEVELS SHOULD BEGIN BETWEEN 6500 AND 7000 
  FEET SATURDAY AFTERNOON BEFORE LOWERING TO 3500 TO 4000 FEET 
  BY MIDNIGHT SATURDAY NIGHT.

* TOTAL SNOW ACCUMULATIONS: 8 TO 16 INCHES OF SNOW IS EXPECTED 
  ABOVE 7000 FEET. 4 TO 8 INCHES IS EXPECTED BETWEEN 5000 AND 
  7000 FEET WITH LESSER AMOUNTS DOWN TO 3500 FEET. 

* WINDS: SOUTHWEST TO WEST WINDS SUSTAINED AT 20 TO 30 MPH WITH 
  GUSTS OF 40 TO 60 MPH ARE EXPECTED.

* IMPACTS: SNOW WILL LIKELY MAKE FOR DIFFICULT IF NOT 
  IMPOSSIBLE TRAVEL CONDITIONS ON AREA ROADS ESPECIALLY ABOVE 
  7000 FEET. TRAVEL ON HIGHWAY 160 BETWEEN PAHRUMP AND LAS 
  VEGAS COULD BE IMPACTED.

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.

&&

$$

CAZ519-521-161315-
/O.CON.KVEF.WS.W.0005.120317T0700Z-120318T0700Z/
EASTERN SIERRA SLOPES-WHITE MOUNTAINS OF INYO COUNTY-
INCLUDING THE CITIES OF...ASPENDELL...WHITNEY PORTAL
1012 PM PDT THU MAR 15 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT FRIDAY
NIGHT TO MIDNIGHT PDT SATURDAY NIGHT ABOVE 6000 FEET...

A WINTER STORM WARNING ABOVE 6000 FEET REMAINS IN EFFECT FROM
MIDNIGHT FRIDAY NIGHT TO MIDNIGHT PDT SATURDAY NIGHT FOR THE
EASTERN SIERRA SLOPES AND WHITE MOUNTAINS OF INYO COUNTY.

* TIMING: SNOW WILL INCREASE IN INTENSITY EARLY SATURDAY 
  MORNING...BE THE HEAVIEST LATE SATURDAY MORNING INTO SATURDAY 
  AFTERNOON...THEN DECREASE SATURDAY EVENING. 

* SNOW LEVEL: SNOW LEVELS ARE EXPECTED TO START BETWEEN 7000 
  AND 7500 FEET EARLY SATURDAY MORNING THEN FALL TO 4000 TO 
  4500 FEET BY SATURDAY NIGHT. 

* TOTAL SNOW ACCUMULATIONS: THE HEAVIEST ACCUMULATIONS OF SNOW 
  ARE EXPECTED TO BE ABOVE 7000 FEET. TOTAL SNOW ACCUMULATIONS 
  OF 1 TO 2 FEET ARE EXPECTED IN THE EASTERN SLOPES OF THE 
  SOUTHERN SIERRA NEVADA WITH LOCALLY HIGHER AMOUNTS TOWARDS 
  THE CREST. TOTAL SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE 
  EXPECTED IN THE WHITE MOUNTAINS OF INYO COUNTY.

* WINDS: SOUTHWEST TO WEST WINDS SUSTAINED AT 20 TO 30 MPH WITH 
  GUSTS OF 40 TO 60 MPH ARE EXPECTED.

* IMPACTS: HEAVY SNOW WILL MAKE TRAVEL DIFFICULT...IF NOT 
  IMPOSSIBLE...ON AREA ROADS INCLUDING HIGHWAY 168 BETWEEN 
  ASPENDELL AND THE FOOTHILLS WEST OF BISHOP AND ON WESTGARD 
  PASS THROUGH THE WHITE MOUNTAINS.

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.

&&

$$

AZZ003-161315-
/O.CON.KVEF.WS.A.0008.120318T0300Z-120319T0300Z/
NORTHWEST DESERTS-
1012 PM MST THU MAR 15 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY EVENING
THROUGH SUNDAY EVENING ABOVE 5000 FEET...

A WINTER STORM WATCH ABOVE 5000 FEET REMAINS IN EFFECT FROM
SATURDAY EVENING THROUGH SUNDAY EVENING FOR THE NORTHWEST DESERTS. 

* TIMING: SNOW IS EXPECTED TO BEGIN SATURDAY EVENING...INCREASE 
  IN INTENSITY LATE SATURDAY EVENING...THEN DECREASE IN 
  INTENSITY TOWARDS DAYBREAK SUNDAY. SNOW IS EXPECTED TO PICK 
  BACK UP IN INTENSITY LATE SUNDAY MORNING INTO SUNDAY AFTERNOON 
  BEFORE DECREASING SUNDAY EVENING. 

* SNOW LEVEL: SNOW LEVELS SHOULD BEGIN AROUND 6500 FEET 
  SATURDAY EVENING THEN LOWER TO 3500 FEET BY SUNDAY MORNING. 

* TOTAL SNOW ACCUMULATIONS: 6 TO 12 INCHES ARE EXPECTED ABOVE
  5000 FEET. 3 TO 6 INCHES ABOVE 4500 FEET WITH LESSER AMOUNTS 
  DOWN TO 3500 FEET. 

* WINDS: SOUTHWEST WINDS SUSTAINED AT 20 TO 30 MPH WITH GUSTS 
  UP TO 45 MPH. 

* IMPACTS: HEAVY SNOW MAY MAKE TRAVEL DIFFICULT...IF NOT
  IMPOSSIBLE...ON ROADS ON HUALAPAI MOUNTAIN AS WELL AS ALONG
  INTERSTATE 40 FROM EAST OF KINGMAN TOWARDS THE MOHAVE/YAVAPAI
  COUNTY LINE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH IS ISSUED WHEN CONDITIONS ARE FAVORABLE FOR
HAZARDOUS WINTER WEATHER TO DEVELOP...BUT THE OCCURRENCE IS STILL
UNCERTAIN.

&&

$$
337 
WWUS45 KVEF 161301
WSWVEF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
601 AM PDT FRI MAR 16 2012

...SIGNIFICANT SNOW LIKELY FROM LATE TONIGHT INTO SUNDAY
AFTERNOON...

.A STRONG PACIFIC STORM IS FORECAST TO MOVE INTO THE SOUTHERN
SIERRA TONIGHT AND THEN ACROSS THE MOJAVE DESERT AND SOUTHERN
GREAT BASIN ON SATURDAY INTO SATURDAY EVENING. THIS STORM IS
EXPECTED TO PRODUCE HEAVY SNOW ACROSS AREA MOUNTAINS... ESPECIALLY
THE EASTERN SLOPES OF THE SOUTHERN SIERRA NEVADA...THE WHITE
MOUNTAINS OF INYO COUNTY AS WELL AS...THE SPRING MOUNTAINS AND
SHEEP RANGE IN SOUTHERN NEVADA AS WELL AS THE HIGHER TERRAIN OF
CENTRAL MOHAVE COUNTY.

NVZ018-019-162145-
/O.CON.KVEF.WS.W.0005.120317T1800Z-120318T0700Z/
SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-
INCLUDING...THE TOWN OF MT CHARLESTON
601 AM PDT FRI MAR 16 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM SATURDAY TO
MIDNIGHT PDT SATURDAY NIGHT ABOVE 5000 FEET...

A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT FROM
11 AM SATURDAY TO MIDNIGHT PDT SATURDAY NIGHT FOR THE SPRING
MOUNTAINS AND SHEEP RANGE.

* TIMING: SNOW IS EXPECTED TO BEGIN DURING THE EARLY AFTERNOON 
  HOURS ON SATURDAY...PEAK IN INTENSITY LATE SATURDAY AFTERNOON 
  INTO EARLY EVENING...THEN TAPER OFF TOWARDS MIDNIGHT SATURDAY 
  NIGHT. 

* SNOW LEVEL: SNOW LEVELS SHOULD BEGIN BETWEEN 6500 AND 7000 
  FEET SATURDAY AFTERNOON BEFORE LOWERING TO 3500 TO 4000 FEET 
  BY MIDNIGHT SATURDAY NIGHT.

* TOTAL SNOW ACCUMULATIONS: 8 TO 16 INCHES OF SNOW IS EXPECTED 
  ABOVE 7000 FEET. 4 TO 8 INCHES IS EXPECTED BETWEEN 5000 AND 
  7000 FEET WITH LESSER AMOUNTS DOWN TO 3500 FEET.

* WINDS: SOUTHWEST TO WEST WINDS SUSTAINED AT 20 TO 30 MPH WITH 
  GUSTS OF 40 TO 60 MPH ARE EXPECTED.

* IMPACTS: SNOW WILL LIKELY MAKE FOR DIFFICULT IF NOT 
  IMPOSSIBLE TRAVEL CONDITIONS ON AREA ROADS ESPECIALLY ABOVE 
  7000 FEET. TRAVEL ON HIGHWAY 160 BETWEEN PAHRUMP AND LAS 
  VEGAS COULD BE IMPACTED.

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.

&&

$$

CAZ519-521-162145-
/O.CON.KVEF.WS.W.0005.120317T0700Z-120318T0700Z/
EASTERN SIERRA SLOPES-WHITE MOUNTAINS OF INYO COUNTY-
INCLUDING THE CITIES OF...ASPENDELL...WHITNEY PORTAL
601 AM PDT FRI MAR 16 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO MIDNIGHT PDT SATURDAY NIGHT ABOVE 6000 FEET...

A WINTER STORM WARNING ABOVE 6000 FEET REMAINS IN EFFECT FROM
MIDNIGHT TONIGHT TO MIDNIGHT PDT SATURDAY NIGHT FOR THE EASTERN
SLOPES OF THE SOUTHERN SIERRA AND WHITE MOUNTAINS OF INYO COUNTY.

* TIMING: SNOW WILL INCREASE IN INTENSITY EARLY SATURDAY 
  MORNING...BE THE HEAVIEST LATE SATURDAY MORNING INTO SATURDAY 
  AFTERNOON...THEN DECREASE SATURDAY EVENING. 

* SNOW LEVEL: SNOW LEVELS ARE EXPECTED TO START BETWEEN 7000 
  AND 7500 FEET EARLY SATURDAY MORNING THEN FALL TO 4000 TO 
  4500 FEET BY SATURDAY NIGHT.

* TOTAL SNOW ACCUMULATIONS: THE HEAVIEST ACCUMULATIONS OF SNOW 
  ARE EXPECTED TO BE ABOVE 7000 FEET. TOTAL SNOW ACCUMULATIONS 
  OF 1 TO 2 FEET ARE EXPECTED IN THE EASTERN SLOPES OF THE 
  SOUTHERN SIERRA NEVADA WITH LOCALLY HIGHER AMOUNTS TOWARDS 
  THE CREST. TOTAL SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE 
  EXPECTED IN THE WHITE MOUNTAINS OF INYO COUNTY.

* WINDS: SOUTHWEST TO WEST WINDS SUSTAINED AT 20 TO 30 MPH WITH 
  GUSTS OF 40 TO 60 MPH ARE EXPECTED.

* IMPACTS: HEAVY SNOW WILL MAKE TRAVEL DIFFICULT...IF NOT 
  IMPOSSIBLE...ON AREA ROADS INCLUDING HIGHWAY 168 BETWEEN 
  ASPENDELL AND THE FOOTHILLS WEST OF BISHOP AND ON WESTGARD 
  PASS THROUGH THE WHITE MOUNTAINS.

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.

&&

$$

AZZ003-162145-
/O.CON.KVEF.WS.A.0008.120318T0300Z-120319T0300Z/
NORTHWEST DESERTS-
601 AM MST FRI MAR 16 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY EVENING
THROUGH SUNDAY EVENING ABOVE 5000 FEET...

A WINTER STORM WATCH ABOVE 5000 FEET REMAINS IN EFFECT FROM
SATURDAY EVENING THROUGH SUNDAY EVENING FOR THE NORTHWEST DESERTS. 

* TIMING: SNOW IS EXPECTED TO BEGIN SATURDAY EVENING...INCREASE 
  IN INTENSITY LATE SATURDAY EVENING...THEN DECREASE IN 
  INTENSITY TOWARDS DAYBREAK SUNDAY. SNOW IS EXPECTED TO PICK 
  BACK UP IN INTENSITY LATE SUNDAY MORNING INTO SUNDAY AFTERNOON 
  BEFORE DECREASING SUNDAY EVENING. 

* SNOW LEVEL: SNOW LEVELS SHOULD BEGIN AROUND 6500 FEET 
  SATURDAY EVENING THEN LOWER TO 3500 FEET BY SUNDAY MORNING.

* TOTAL SNOW ACCUMULATIONS: 6 TO 12 INCHES ARE EXPECTED ABOVE 
  5000 FEET. 3 TO 6 INCHES ABOVE 4500 FEET WITH LESSER AMOUNTS 
  DOWN TO 3500 FEET.

* WINDS: SOUTHWEST WINDS SUSTAINED AT 20 TO 30 MPH WITH GUSTS 
  UP TO 45 MPH.

* IMPACTS: HEAVY SNOW MAY MAKE TRAVEL DIFFICULT...IF NOT
  IMPOSSIBLE...ON ROADS ON HUALAPAI MOUNTAIN AS WELL AS ALONG
  INTERSTATE 40 AND ROUTE 66 FROM KINGMAN EAST TOWARD THE COUNTY
  LINE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH IS ISSUED WHEN CONDITIONS ARE FAVORABLE FOR
HAZARDOUS WINTER WEATHER TO DEVELOP...BUT THE OCCURRENCE IS STILL
UNCERTAIN.

&&

$$
694 
WWUS45 KVEF 162131
WSWVEF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
231 PM PDT FRI MAR 16 2012

...SIGNIFICANT SNOW LIKELY FROM LATE TONIGHT INTO SUNDAY
AFTERNOON...

.A STRONG PACIFIC STORM IS FORECAST TO MOVE INTO THE SOUTHERN
SIERRA TONIGHT AND THEN ACROSS THE MOJAVE DESERT AND SOUTHERN
GREAT BASIN ON SATURDAY INTO SATURDAY EVENING. THIS STORM IS
EXPECTED TO PRODUCE HEAVY SNOW ACROSS AREA MOUNTAINS...
ESPECIALLY THE EASTERN SLOPES OF THE SOUTHERN SIERRA NEVADA...THE
WHITE MOUNTAINS OF INYO COUNTY AS WELL AS...THE SPRING MOUNTAINS
AND SHEEP RANGE IN SOUTHERN NEVADA AS WELL AS THE HIGHER TERRAIN
OF CENTRAL MOHAVE COUNTY.

AZZ003-170715-
/O.UPG.KVEF.WS.A.0008.120318T0300Z-120319T0300Z/
/O.EXB.KVEF.WS.W.0005.120318T0300Z-120319T0300Z/
NORTHWEST DESERTS-
231 PM MST FRI MAR 16 2012

...WINTER STORM WARNING IN EFFECT FROM 8 PM SATURDAY TO 8 PM MST
SUNDAY ABOVE 5000 FEET...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WINTER
STORM WARNING ABOVE 5000 FEET...FOR HEAVY SNOW...WHICH IS IN
EFFECT FROM 8 PM SATURDAY TO 8 PM MST SUNDAY FOR THE NORTHWEST
DESERTS OF MOHAVE COUNTY. THIS WARNING REPLACES THE WINTER STORM
WATCH.

* TIMING: SNOW IS EXPECTED TO BEGIN SATURDAY EVENING...INCREASE 
  IN INTENSITY LATE SATURDAY EVENING...THEN DECREASE IN 
  INTENSITY TOWARDS DAYBREAK SUNDAY. SNOW IS EXPECTED TO PICK 
  BACK UP IN INTENSITY LATE SUNDAY MORNING INTO SUNDAY AFTERNOON 
  BEFORE DECREASING SUNDAY EVENING. 

* SNOW LEVEL: SNOW LEVELS SHOULD BEGIN AROUND 6500 FEET 
  SATURDAY EVENING THEN LOWER TO 3500 FEET BY SUNDAY MORNING. 

* TOTAL SNOW ACCUMULATIONS: 6 TO 12 INCHES ARE EXPECTED ABOVE 
  5000 FEET. 3 TO 6 INCHES ABOVE 4500 FEET WITH LESSER AMOUNTS 
  DOWN TO 3500 FEET.

* WINDS: SOUTHWEST WINDS SUSTAINED AT 20 TO 30 MPH WITH GUSTS 
  UP TO 45 MPH.

* IMPACTS: HEAVY SNOW MAY MAKE TRAVEL DIFFICULT...IF NOT
  IMPOSSIBLE...ON ROADS ON HUALAPAI MOUNTAIN AS WELL AS ALONG
  INTERSTATE 40 AND ROUTE 66 FROM KINGMAN EAST TOWARD THE COUNTY
  LINE.

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.

&&

$$

NVZ018-019-170715-
/O.CON.KVEF.WS.W.0005.120317T1800Z-120318T0700Z/
SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-
INCLUDING...THE TOWN OF MT CHARLESTON
231 PM PDT FRI MAR 16 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM SATURDAY TO
MIDNIGHT PDT SATURDAY NIGHT ABOVE 5000 FEET...

A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT FROM
11 AM SATURDAY TO MIDNIGHT PDT SATURDAY NIGHT FOR THE SPRING
MOUNTAINS AND SHEEP RANGE. 

* TIMING: SNOW IS EXPECTED TO BEGIN DURING THE EARLY AFTERNOON 
  HOURS ON SATURDAY...PEAK IN INTENSITY LATE SATURDAY AFTERNOON 
  INTO EARLY EVENING...THEN TAPER OFF TOWARDS MIDNIGHT SATURDAY 
  NIGHT. 

* SNOW LEVEL: SNOW LEVELS SHOULD BEGIN BETWEEN 6500 AND 7000 
  FEET SATURDAY AFTERNOON BEFORE LOWERING TO 3500 TO 4000 FEET 
  BY MIDNIGHT SATURDAY NIGHT.

* TOTAL SNOW ACCUMULATIONS: 8 TO 16 INCHES OF SNOW IS EXPECTED 
  ABOVE 7000 FEET. 4 TO 8 INCHES IS EXPECTED BETWEEN 5000 AND 
  7000 FEET WITH LESSER AMOUNTS DOWN TO 3500 FEET.

* WINDS: SOUTHWEST TO WEST WINDS SUSTAINED AT 20 TO 30 MPH WITH 
  GUSTS OF 40 TO 60 MPH ARE EXPECTED.

* IMPACTS: SNOW WILL LIKELY MAKE FOR DIFFICULT IF NOT 
  IMPOSSIBLE TRAVEL CONDITIONS ON AREA ROADS ESPECIALLY ABOVE 
  7000 FEET. TRAVEL ON HIGHWAY 160 BETWEEN PAHRUMP AND LAS 
  VEGAS COULD BE IMPACTED.

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.

&&

$$

CAZ519-521-170715-
/O.CON.KVEF.WS.W.0005.120317T0700Z-120318T0700Z/
EASTERN SIERRA SLOPES-WHITE MOUNTAINS OF INYO COUNTY-
INCLUDING THE CITIES OF...ASPENDELL...WHITNEY PORTAL
231 PM PDT FRI MAR 16 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO MIDNIGHT PDT SATURDAY NIGHT ABOVE 6000 FEET...

A WINTER STORM WARNING ABOVE 6000 FEET REMAINS IN EFFECT FROM
MIDNIGHT TONIGHT TO MIDNIGHT PDT SATURDAY NIGHT FOR THE EASTERN
SIERRA SLOPES AND WHITE MOUNTAINS OF INYO COUNTY. 

* TIMING: SNOW WILL INCREASE IN INTENSITY EARLY SATURDAY 
  MORNING...BE THE HEAVIEST LATE SATURDAY MORNING INTO SATURDAY 
  AFTERNOON...THEN DECREASE SATURDAY EVENING. 

* SNOW LEVEL: SNOW LEVELS ARE EXPECTED TO START BETWEEN 7000 
  AND 7500 FEET EARLY SATURDAY MORNING THEN FALL TO 4000 TO 
  4500 FEET BY SATURDAY NIGHT.

* TOTAL SNOW ACCUMULATIONS: THE HEAVIEST ACCUMULATIONS OF SNOW 
  ARE EXPECTED TO BE ABOVE 7000 FEET. TOTAL SNOW ACCUMULATIONS 
  OF 1 TO 2 FEET ARE EXPECTED IN THE EASTERN SLOPES OF THE 
  SOUTHERN SIERRA NEVADA WITH LOCALLY HIGHER AMOUNTS TOWARDS 
  THE CREST. TOTAL SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE 
  EXPECTED IN THE WHITE MOUNTAINS OF INYO COUNTY.

* WINDS: SOUTHWEST TO WEST WINDS SUSTAINED AT 20 TO 30 MPH WITH 
  GUSTS OF 40 TO 60 MPH ARE EXPECTED.

* IMPACTS: HEAVY SNOW WILL MAKE TRAVEL DIFFICULT...IF NOT 
  IMPOSSIBLE...ON AREA ROADS INCLUDING HIGHWAY 168 BETWEEN 
  ASPENDELL AND THE FOOTHILLS WEST OF BISHOP AND ON WESTGARD 
  PASS THROUGH THE WHITE MOUNTAINS.

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.

&&

$$

What forecasters said that day

The local office's own words before this winter storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Las Vegas, NV wrote its last area forecast discussion before this winter storm watch went out at Mar 15, 9:40 AM MST, 4 hours 36 minutes earlier.

Area forecast discussion, Mar 15, 9:40 AM MST, 4 hours 36 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
940 AM PDT THU MAR 15 2012

.SYNOPSIS...SOUTHWEST FLOW ALOFT WILL PERSIST THROUGH FRIDAY.
CONSIDERABLE HIGH CLOUDINESS AND ABOVE NORMAL TEMPERATURES CAN BE
EXPECTED WITH LOCALLY BREEZY CONDITIONS...MAINLY ON FRIDAY. THE
STRONG LOW PRESSURE SYSTEM WE HAVE BEEN TALKING ABOUT IS STILL ON
TRACK TO BRING STRONG WINDS...MUCH COOLER TEMPERATURES...AND VALLEY
RAIN AND MOUNTAIN SNOW TO THE AREA OVER THE WEEKEND. DRY AND WARM
WEATHER WILL LIKELY RETURN BY THE MIDDLE OF NEXT WEEK.
&&

.UPDATE...12Z MODELS SHOW NO MAJOR CHANGES TO THE UPCOMING PATTERN
CHANGE THIS WEEKEND. STILL LOOKING FOR RATHER WARM TEMPERATURES
TODAY AND FRIDAY ALONG WITH VARYING AMOUNTS OF HIGH LEVEL CLOUDS.
BIGGEST CONCERNS FOR THIS WEEKEND WILL BE THE INCREASING WINDS
SATURDAY FOLLOWED BY RAIN/SNOW AND MUCH COLDER TEMPERATURES SATURDAY
NIGHT AND SUNDAY. WINDS ON SATURDAY LOOK STRONG ENOUGH TO WARRANT AT
LEAST A WIND ADVISORY OR A POTENTIAL HIGH WIND WATCH FOR A MAJORITY
OF THE SOUTHERN CWA. WILL MAKE THAT DECISION BY THE AFTERNOON
PACKAGE. NO CHANGES NEEDED TO THE ONGOING FORECAST. -GORELOW-
&&

.PREV DISCUSSION...
316 AM PDT THU MAR 15 2012

.SHORT TERM...TODAY THROUGH SATURDAY NIGHT...MODELS CONTINUE TO BE
IN PRETTY GOOD AGREEMENT WITH THE PATTERN DURING THIS TIME FRAME.
SOUTHWEST FLOW AHEAD OF THE EXPECTED STORM WILL PERSIST THROUGH
FRIDAY WITH CONSIDERABLE HIGH CLOUDINESS AND WELL ABOVE NORMAL
TEMPERATURES. SOUTHERLY WINDS PICK UP A BIT FRIDAY AFTERNOON WITH
LOCALLY BREEZY CONDITIONS AS THE STORM STARTS TO DROP TOWARD THE
NORTHERN AND CENTRAL CALIFORNIA COAST. IT STILL LOOKS LIKE A CHANCE
OF SOME VERY LIGHT SNOW CLIPPING THE HIGHER ELEVATIONS OF THE SIERRA
THROUGH FRIDAY. MOISTURE AND WINDS WILL INCREASE FRIDAY NIGHT AS THE
TROUGH MOVES JUST OFF THE CENTRAL CALIFORNIA COAST WITH SNOW
BECOMING LIKELY IN THE SIERRA AND A CHANCE OF RAIN AND SNOW
SPREADING ACROSS NORTHERN INYO INTO ESMERALDA COUNTY. THE TROUGH
AXIS WILL MOVE JUST INLAND SATURDAY WITH WIDESPREAD RAIN AND HIGH
ELEVATION SNOW DEVELOPING ACROSS ALL BUT THE FAR SOUTHEAST PART OF
THE FORECAST AREA. HEAVY SNOW STILL LOOKS LIKELY IN THE SIERRA
STARTING LATE FRIDAY EVENING AND IN THE CLARK COUNTY MOUNTAINS
SATURDAY AFTERNOON. THE WINTER STORM WATCHES STILL LOOK GOOD FOR
THOSE AREAS. SNOW LEVELS WILL BE FAIRLY HIGH AHEAD OF THE TROUGH
AXIS AND WHILE THE MODELS DO INDICATE RESPECTABLE QPF OVER CENTRAL
NYE AND LINCOLN COUNTIES...SNOW LEVELS WILL BE HIGH ENOUGH TO LIMIT
AREAL EXTENT OF ANY HEAVY SNOW SO I DID NOT FEEL A WINTER STORM
WATCH WAS JUSTIFIED. THE BAND OF SIGNIFICANT PRECIPITATION IN THE
SOUTHERLY FLOW AHEAD OF THE TROUGH AXIS WILL SPREAD INTO MOHAVE
COUNTY SATURDAY NIGHT WITH PRECIPITATION BECOMING MORE SHOWERY OVER
CALIFORNIA AND NEVADA. KIND OF THE SAME STORY FOR MOHAVE COUNTY THAT
THERE IS A GOOD CHANCE THE SIGNIFICANT PRECIPITATION WILL MOSTLY END
BY THE TIME THE SNOW LEVEL LOWERS SIGNIFICANTLY SO A WINTER STORM
WATCH WAS NOT ISSUED FOR SATURDAY NIGHT. OBVIOUSLY THINGS COULD
CHANGE WITH THE TIMING BETWEEN THE COLD AIR AND HEAVY PRECIPITATION
BUT THERE IS PLENTY OF TIME TO MAKE ADJUSTMENTS TO WATCHES AND
POSSIBLE WARNINGS. RIGHT NOW THE HIGH WIND WATCH FOR NORTHWEST SAN
BERNARDINO COUNTY STILL LOOKS GOOD SATURDAY. MODELS ARE INDICATING
50-55 KNOTS AT 700MB AND 40 KNOTS AT 850 MB ALONG WITH SOME DOWNWARD
MOTION. ELSEWHERE...WINDS ALOFT LOOK A BIT LIGHTER AND WITH
PRECIPITATION DRAG AND GENERAL RISING MOTION...I DO NOT EXPECT MORE
THAN ADVISORY LEVEL WINDS IN GENERAL.

.LONG TERM...LONGWAVE TROUGHING ENCOMPASSES THE WEST ON SUNDAY AND
IS FORECAST TO SLOWLY SHIFT EAST OVER THE INTERMOUNTAIN REGION ON
MONDAY. THERE IS VERY COLD AIR ASSOCIATED WITH THE SYSTEM AND SNOW
LEVELS SUNDAY MORNING COULD LOWER TO UNDER 3000 FEET...OR NEAR MANY
VALLEY FLOORS. HOWEVER...THE DEEPEST MOISTURE SHOULD BE EAST OF THE
AREA ALREADY SO THIS WOULD POINT TO MORE SHOWERY TYPE PRECIPITATION
RESULTING IN LITTLE MORE THAN LIGHT SNOW FLURRY ACTIVITY IN THE
LOWER DESERTS. ELSEWHERE...THE MOUNTAINS COULD SEE AN INCH OR TWO OF
NEW SNOWFALL SUNDAY WITH GENERALLY ONE TO TWO TENTHS OF AN INCH OF
RAIN IN SOME LOWER ELEVATIONS. MODEL QPF FORECAST TARGET MOHAVE
COUNTY FOR THE BEST CHANCE AT ACCUMULATING RAIN/SNOW ON SUNDAY. IN
ADDITION TO THE MOISTURE...THE CURRENT FORECASTED HIGH TEMPERATURE
FOR LAS VEGAS ON SUNDAY IS NEAR AN ALL TIME RECORD LOW MAXIMUM...SO
WILL NEED TO WATCH FOR THIS. WINDS COULD BE FAIRLY STRONG ACROSS THE
DESERTS AS WELL...ADDING TO THE COLD FEEL OF THE DAY. COLD AIR IS
FORECAST TO LINGER INTO MONDAY AS TEMPERATURES WILL LIKELY STRUGGLE
TO WARM MUCH OVER SUNDAY HIGHS. RIDGING TO WESTERLY FLOW THEN
DOMINATES THROUGH THE REMAINDER OF THE EXTENDED PERIOD WITH
TEMPERATURES WARMING BACK TO AT LEAST NORMAL. MODELS ARE HINTING AT
ANOTHER LONGWAVE EASTERN PACIFIC TROUGH DEVELOPING BEYOND THE
OFFICIAL SEVEN DAY FORECAST PERIOD BUT THERE IS A HIGH DEGREE OF
UNCERTAINTY AT THIS TIME.
&&

.AVIATION...FOR MCCARRAN...MAINLY TYPICAL DIURNAL WIND DIRECTIONS
ARE EXPECTED THROUGH THURSDAY EVENING WITH VARYING AMOUNTS OF CLOUD
COVER MAINLY AOA 15K FEET. A SIGNIFICANT STORM SYSTEM IS EXPECTED TO
MOVE ACROSS THE AREA SATURDAY EVENING. THERE IS AN 80 PERCENT CHANCE
OF RAIN THEN AT THE AIRPORT COMPLEX WITH CIGS LIKELY DROPPING AS LOW
AS 3K-5K FEET. GUSTY SW WINDS ARE ALSO EXPECTED SATURDAY AFTERNOON
AND EVENING AHEAD OF THE RAIN.

FOR THE REST OF SOUTHERN NEVADA...NORTHWEST ARIZONA...AND SOUTHEAST
CALIFORNIA...WINDS WILL BASICALLY FOLLOW DIURNAL DIRECTIONAL TRENDS
AT 6-12 KTS THROUGH THURSDAY EVENING WITH CLOUD COVER VARIABLE AOA
15K FEET. LOWER CIGS ARE EXPECTED IN THE SOUTHERN SIERRA AND OWENS
VALLEY AND SNOW SHOWERS ARE POSSIBLE IN THE SOUTHERN SIERRA. A
SIGNIFICANT STORM SYSTEM IS EXPECTED TO IMPACT THE AREA FRIDAY
EVENING INTO SUNDAY WITH GUSTY WINDS...WIDESPREAD PRECIPITATION AND
REDUCED CIGS AND VSBY. MANY AREAS WILL SEE AT LEAST MVFR
CONDITIONS...WITH IFR OR LOWER POSSIBLE.
&&

.VEF WATCHES/WARNINGS/ADVISORIES...
NV...WINTER STORM WATCH FROM SATURDAY AFTERNOON THROUGH SATURDAY
     EVENING FOR NVZ018-019.
AZ...NONE.
CA...WINTER STORM WATCH FROM LATE FRIDAY NIGHT THROUGH SATURDAY
     EVENING FOR CAZ519-521.
     HIGH WIND WATCH FROM SATURDAY MORNING THROUGH SATURDAY EVENING
     FOR CAZ523.
&&

HARRISON/SALMEN

HTTP://WEATHER.GOV/LASVEGAS
Hazardous weather outlook, Mar 15, 4:38 AM MST, 9 hours 38 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAS VEGAS NV
438 AM PDT THU MAR 15 2012

CAZ519-521-NVZ018-019-160700-
EASTERN SIERRA SLOPES-WHITE MOUNTAINS OF INYO COUNTY-SHEEP RANGE-
SPRING MOUNTAINS-
438 AM PDT THU MAR 15 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CALIFORNIA AND
SOUTHERN NEVADA.

.DAY ONE...TODAY AND TONIGHT

HAZARDOUS WEATHER IS NOT LIKELY THROUGH TONIGHT.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

A LATE SEASON WINTER STORM WILL BRING INCREASING SOUTHWEST WINDS
ON FRIDAY. HEAVY SNOW WILL DEVELOP BY LATE FRIDAY EVENING OVER THE
SIERRA AND WHITE MOUNTAINS AND CONTINUE THROUGH MUCH OF SATURDAY.
HEAVY SNOW WILL DEVELOP IN THE SHEEP RANGE AND SPRING MOUNTAINS
SATURDAY AFTERNOON AND CONTINUE INTO SATURDAY EVENING. A WINTER
STORM WATCH IS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY
EVENING IN THE SIERRA AND WHITE MOUNTAINS AND FROM SATURDAY
AFTERNOON THROUGH SATURDAY EVENING FOR THE SHEEP RANGE AND SPRING
MOUNTAINS. SCATTERED SNOW SHOWERS WILL LINGER SUNDAY INTO MONDAY
WITH DRY CONDITIONS RETURNING TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. HOWEVER...
SPOTTERS ARE ENCOURAGED TO REPORT ANY SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

CAZ523-160700-
WESTERN MOJAVE DESERT-
438 AM PDT THU MAR 15 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT

HAZARDOUS WEATHER IS NOT LIKELY THROUGH TONIGHT.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

WINDS WILL INCREASE SOMEWHAT ON FRIDAY WITH LOCALLY WINDY
CONDITIONS. STRONG WINDS ARE EXPECTED TO DEVELOP SATURDAY AS A
PACIFIC STORM MOVES INTO CALIFORNIA. A HIGH WIND WATCH IS IN
EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING. WINDS WILL
DECREASE LATER SATURDAY EVENING. RAINFALL WILL ALSO BECOME LIKELY
FOR SATURDAY AND SATURDAY NIGHT. A CHANCE OF SHOWERS WILL LINGER
SUNDAY INTO MONDAY WITH DRY CONDITIONS RETURNING TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. HOWEVER...
SPOTTERS ARE ENCOURAGED TO REPORT ANY SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

AZZ001>003-036-CAZ520-522-524>527-NVZ014>017-020>022-160700-
NORTHWEST PLATEAU-LOWER COLORADO RIVER VALLEY-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-OWENS VALLEY-
DEATH VALLEY NATIONAL PARK-EASTERN MOJAVE DESERT-MORONGO BASIN-
CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
ESMERALDA AND CENTRAL NYE COUNTY-LINCOLN COUNTY-
NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY-
LAS VEGAS VALLEY-SOUTHERN CLARK COUNTY-
438 AM PDT THU MAR 15 2012 /438 AM MST THU MAR 15 2012/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST
ARIZONA...CALIFORNIA AND SOUTHERN NEVADA.

.DAY ONE...TODAY AND TONIGHT

HAZARDOUS WEATHER IS NOT LIKELY THROUGH TONIGHT.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

LOCALLY BREEZY TO WINDY CONDITIONS WILL DEVELOP FRIDAY AHEAD OF AN
APPROACHING LATE WINTER STORM. THIS STORM WILL BRING WIDESPREAD
VALLEY RAIN AND MOUNTAIN SNOW TO THE AREA SATURDAY ALONG WITH
STRONG SOUTH TO SOUTHWEST WINDS. PRECIPITATION WILL TAPER OFF TO
SCATTERED RAIN AND SNOW SHOWERS BY LATE SATURDAY NIGHT AND
CONTINUE INTO MONDAY. DRY CONDITIONS WILL RETURN ON TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. HOWEVER...
SPOTTERS ARE ENCOURAGED TO REPORT ANY SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 15, 2:16 PM MSTWinter Storm WarningVEF62 hr
Mar 15, 2:40 PM MSTHigh Wind WarningVEFMohave57 hr
Mar 15, 2:40 PM MSTWind AdvisoryVEFMohave53 hr

Nearby

Winter Storm Watches in Arizona, 2012Every winter storm watch in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.