Alert archive / Nevada / Wind Advisories in 2010

Wind Advisory 26, NWS Las Vegas, NV

May 20, 2010Clark County, Lincoln County, Nye County, Nevada; San Bernardino County, California; Mohave County, Arizona

NWS Las Vegas, NV issued this wind advisory at May 20, 2010, 2:19 PM PDT for Clark County, Lincoln County, Nye County, Nevada; San Bernardino County, California; Mohave County, Arizona. It took effect at May 21, 2010, 11:00 AM PDT. It was in force for 40 hr.

The area

The counties it named.

The facts

Issued
May 20, 2010, 2:19 PM PDT (21:19 UTC)
In effect from
May 21, 2010, 11:00 AM PDT
Expired
May 23, 2010, 3:00 AM PDT
In force
40 hr
Issued by
NWS Las Vegas, NV

Counties Mohave County, AZ, San Bernardino County, CA, Clark County, NV, Lincoln County, NV, Nye County, NV

The radar

The Las Vegas radar (KESX), 94 km from the middle of the area, began a volume at 21:24 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

Edwards AFB, CA (KEDW), launched 12:00Z, 9.3 hours before the alert went out and 290 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, Edwards AFB, CA at 12:00Z on 2010-05-20Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Edwards AFB, CA at 12:00Z on 2010-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 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
1506 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
47 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.

872 
WWUS75 KVEF 202119
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
219 PM PDT THU MAY 20 2010

.A STRONG PACIFIC STORM WILL MOVE OVER THE PACIFIC NORTHWEST COAST
ON FRIDAY...RESULTING IN FAVORABLE CONDITIONS FOR DOWNSLOPE WINDS
DEVELOPING ALONG THE EAST SLOPES OF THE SOUTHERN SIERRA AND WHITE
MOUNTAINS OF INYO COUNTY AS WELL AS THE OWENS VALLEY. WINDS WILL
ALSO BECOME STRONG ACROSS THE MOJAVE DESERT. SOME AREAS WILL SEE
THE STRONG WINDS PERSIST THROUGH SATURDAY AS THE LOW PRESSURE
SYSTEM REMAINS OVER THE PACIFIC NORTHWEST. 

AZZ001-003-036-CAZ524-NVZ021-022-211400-
/O.NEW.KVEF.WI.Y.0026.100521T1800Z-100522T0600Z/
NORTHWEST PLATEAU-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-EASTERN MOJAVE DESERT-
SOUTHERN CLARK COUNTY-
INCLUDING THE CITIES OF...COLORADO CITY...
PIPE SPRING NATIONAL MONUMENT...TUWEEP...MT TRUMBULL...KINGMAN...
GOLDEN VALLEY...DOLAN SPRINGS...VALENTINE...WIKIEUP...YUCCA...
BULLHEAD CITY...MOHAVE VALLEY...BAKER...MOUNTAIN PASS...
MITCHELL CAVERNS...HOOVER DAM...LAUGHLIN...PRIMM...SEARCHLIGHT...
CAL-NEV-ARI
219 PM PDT THU MAY 20 2010 /219 PM MST THU MAY 20 2010/

...WIND ADVISORY IN EFFECT FROM 11 AM PDT /11 AM MST/ TO 11 PM PDT
/11 PM MST/ FRIDAY...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND
ADVISORY FOR THE EASTERN MOJAVE DESERT OF CALIFORNIA...SOUTHERN
CLARK COUNTY...THE LAKE MEAD NATIONAL RECREATION AREA AND THE
NORTHWEST DESERTS AND NORTHWEST PLATEAU OF ARIZONA...WHICH IS IN
EFFECT FROM 11 AM PDT /11 AM MST/ TO 11 PM PDT /11 PM MST/
FRIDAY.

* WINDS: SOUTHWEST WINDS 25 TO 35 MPH WITH GUSTS TO 45 MPH.

* TIMING: WINDS WILL INCREASE FRIDAY MORNING WITH THE STRONGEST
  WINDS FRIDAY AFTERNOON AND EARLY FRIDAY EVENING. WINDS WILL
  DECREASE BY MIDNIGHT. 

* LOCATIONS: MITCHELL CAVERNS...SEARCHLIGHT...LAUGHLIN...BULLHEAD
  CITY...HOOVER DAM...MT TRUMBULL...KINGMAN...DOLAN SPRINGS.

* IMPACTS: WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
  ESPECIALLY FOR HIGH PROFILE VEHICLES. IN ADDITION...STRONG WINDS
  OVER DESERT AREAS COULD RESULT IN BRIEFLY LOWERED VISIBILITIES
  TO WELL UNDER A MILE AT TIMES IN BLOWING DUST OR BLOWING SAND.
  USE EXTRA CAUTION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE STRONG
ENOUGH TO MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. IN ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT
IN BRIEFLY LOWERED VISIBILITIES TO WELL UNDER A MILE AT TIMES IN
BLOWING DUST OR BLOWING SAND. USE EXTRA CAUTION.

&&

$$

CAZ523-211400-
/O.NEW.KVEF.WI.Y.0026.100521T1800Z-100523T0600Z/
WESTERN MOJAVE DESERT-
INCLUDING THE CITIES OF...BARSTOW...DAGGETT...FORT IRWIN
219 PM PDT THU MAY 20 2010

...WIND ADVISORY IN EFFECT FROM 11 AM FRIDAY TO 11 PM PDT
SATURDAY...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND
ADVISORY FOR THE WESTERN MOJAVE DESERT OF CALIFORNIA...WHICH IS IN
EFFECT FROM 11 AM FRIDAY TO 11 PM PDT SATURDAY.

* WINDS: WEST WINDS 25 TO 35 MPH WITH GUSTS TO 50 MPH.

* TIMING: WHILE BREEZY CONDITIONS WILL EXISTS TONIGHT AND FRIDAY
  MORNING...STRONGER WINDS WILL DEVELOP LATE FRIDAY MORNING AND
  WILL PERSISTS THROUGH FRIDAY NIGHT AND SATURDAY INTO SATURDAY
  EVENING. 

* LOCATIONS: BARSTOW...FORT IRWIN...BAKER...MOJAVE NATIONAL 
  PRESERVE...INTERSTATE 15 AND INTERSTATE 40.

* IMPACTS: WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
  ESPECIALLY FOR HIGH PROFILE VEHICLES. IN ADDITION...STRONG WINDS
  OVER DESERT AREAS COULD RESULT IN BRIEFLY LOWERED VISIBILITIES
  TO WELL UNDER A MILE AT TIMES IN BLOWING DUST OR BLOWING SAND.
  USE EXTRA CAUTION.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE STRONG
ENOUGH TO MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. IN ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT
IN BRIEFLY LOWERED VISIBILITIES TO WELL UNDER A MILE AT TIMES IN
BLOWING DUST OR BLOWING SAND. USE EXTRA CAUTION.

&&

$$

CAZ519>521-211400-
/O.CON.KVEF.HW.A.0007.100521T1900Z-100522T1200Z/
EASTERN SIERRA SLOPES-OWENS VALLEY-WHITE MOUNTAINS OF INYO COUNTY-
INCLUDING THE CITIES OF...ASPENDELL...WHITNEY PORTAL...BISHOP...
INDEPENDENCE...LONE PINE...OLANCHA
219 PM PDT THU MAY 20 2010

...HIGH WIND WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH
LATE FRIDAY NIGHT...

A HIGH WIND WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH
LATE FRIDAY NIGHT FOR THE EASTERN SIERRA SLOPES AND THE OWENS
VALLEY.

* WINDS: WEST WINDS 35 TO 45 MPH WITH GUSTS UP TO 70 MPH OR 
  GREATER OVER THE HIGHER ELEVATIONS. SOUTHWEST TO WEST WINDS 25 
  TO 35 MPH WITH GUSTS TO 60 MPH OR GREATER OVER THE LOWER 
  VALLEYS. 

* TIMING: WINDS WILL INCREASE FRIDAY MORNING AND CONTINUE INTO 
  LATE FRIDAY NIGHT. THE STRONGEST WINDS ARE EXPECTED LATE 
  FRIDAY AFTERNOON AND EVENING.

* LOCATIONS: THE STRONGEST WINDS WILL OCCUR OVER THE HIGHER 
  ELEVATIONS AND NEAR THE MOUTHS OF THE WEST TO EAST CANYON 
  OPENINGS OF THE WESTERN FOOTHILLS.

* IMPACTS: RESIDENTS SHOULD BE AWARE OF THE POTENTIAL FOR THESE 
  STRONG WINDS AND TRAVELERS ARE URGED TO USE CAUTION ON 
  FRIDAY AS STRONG CROSSWINDS MAY BE ENCOUNTERED ON AREA 
  ROADWAYS... ESPECIALLY ALONG HIGHWAY 395.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH
WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH AND...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR IN THE WATCH AREA. CONTINUE TO MONITOR
FORECASTS FOR THE LATEST INFORMATION.

&&

$$
9 follow-up statements
516 
WWUS75 KVEF 210439
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
939 PM PDT THU MAY 20 2010

.A STRONG PACIFIC STORM WILL MOVE OVER THE PACIFIC NORTHWEST COAST
ON FRIDAY...RESULTING IN FAVORABLE CONDITIONS FOR DOWNSLOPE WINDS
DEVELOPING ALONG THE EAST SLOPES OF THE SOUTHERN SIERRA AND WHITE
MOUNTAINS OF INYO COUNTY AS WELL AS THE OWENS VALLEY. WINDS WILL
ALSO BECOME STRONG ACROSS THE MOJAVE DESERT. SOME AREAS WILL SEE
THE STRONG WINDS PERSIST THROUGH SATURDAY AS THE LOW PRESSURE
SYSTEM REMAINS OVER THE PACIFIC NORTHWEST.

NVZ016>020-211300-
/O.EXA.KVEF.WI.Y.0026.100521T1800Z-100522T0600Z/
NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY-
SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-LAS VEGAS VALLEY-
INCLUDING THE CITIES OF...MESQUITE...OVERTON...MOAPA...PAHRUMP...
INDIAN SPRINGS...DESERT ROCK...AMARGOSA VALLEY...
THE TOWN OF MT CHARLESTON...RED ROCK...LAS VEGAS...
NORTH LAS VEGAS...HENDERSON...BOULDER CITY...SUMMERLIN...NELLIS...
MOUNTAINS EDGE...SEVEN HILLS...BLUE DIAMOND
939 PM PDT THU MAY 20 2010

...WIND ADVISORY IN EFFECT FROM 11 AM TO 11 PM PDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND
ADVISORY FOR CLARK AND SOUTHERN NYE COUNTIES...WHICH IS IN EFFECT
FROM 11 AM TO 11 PM PDT FRIDAY.

* WINDS: SOUTHWEST WINDS 25 TO 35 MPH WITH GUSTS 45 TO 50 MPH.

* TIMING: WINDS WILL INCREASE FRIDAY MORNING WITH THE STRONGEST 
  WINDS FRIDAY AFTERNOON AND EARLY FRIDAY EVENING. WINDS WILL 
  DECREASE BY MIDNIGHT.

* LOCATIONS: LAS VEGAS...PAHRUMP...MESQUITE...RED ROCK CANYON AND
  BOULDER CITY.

* IMPACTS: WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES. IN ADDITION...STRONG 
  WINDS OVER DESERT AREAS COULD RESULT IN BRIEFLY LOWERED 
  VISIBILITIES TO WELL UNDER A MILE AT TIMES IN BLOWING DUST 
  OR BLOWING SAND. USE EXTRA CAUTION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE STRONG
ENOUGH TO MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. IN ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT
IN BRIEFLY LOWERED VISIBILITIES TO WELL UNDER A MILE AT TIMES IN
BLOWING DUST OR BLOWING SAND. USE EXTRA CAUTION.

&&

$$

AZZ001-003-036-CAZ524-NVZ021-022-211300-
/O.CON.KVEF.WI.Y.0026.100521T1800Z-100522T0600Z/
NORTHWEST PLATEAU-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-EASTERN MOJAVE DESERT-
SOUTHERN CLARK COUNTY-
INCLUDING THE CITIES OF...COLORADO CITY...
PIPE SPRING NATIONAL MONUMENT...TUWEEP...MT TRUMBULL...KINGMAN...
GOLDEN VALLEY...DOLAN SPRINGS...VALENTINE...WIKIEUP...YUCCA...
BULLHEAD CITY...MOHAVE VALLEY...BAKER...MOUNTAIN PASS...
MITCHELL CAVERNS...HOOVER DAM...LAUGHLIN...PRIMM...SEARCHLIGHT...
CAL-NEV-ARI
939 PM PDT THU MAY 20 2010 /939 PM MST THU MAY 20 2010/

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM PDT /11 AM MST/ TO
11 PM PDT /11 PM MST/ FRIDAY...

A WIND ADVISORY REMAINS IN EFFECT FOR THE EASTERN MOJAVE DESERT OF
CALIFORNIA...SOUTHERN CLARK COUNTY...THE LAKE MEAD NATIONAL
RECREATION AREA AND THE NORTHWEST DESERTS AND NORTHWEST PLATEAU OF
ARIZONA FROM 11 AM PDT /11 AM MST/ TO 11 PM PDT /11 PM MST/
FRIDAY.

* WINDS: SOUTHWEST WINDS 25 TO 35 MPH WITH GUSTS 45 TO 50 MPH.

* TIMING: WINDS WILL INCREASE FRIDAY MORNING WITH THE STRONGEST 
  WINDS FRIDAY AFTERNOON AND EARLY FRIDAY EVENING. WINDS WILL 
  DECREASE BY MIDNIGHT.

* LOCATIONS: MITCHELL CAVERNS...SEARCHLIGHT...LAUGHLIN...
  BULLHEAD CITY...HOOVER DAM...MT TRUMBULL...KINGMAN...DOLAN 
  SPRINGS.

* IMPACTS: WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES. IN ADDITION...STRONG 
  WINDS OVER DESERT AREAS COULD RESULT IN BRIEFLY LOWERED 
  VISIBILITIES TO WELL UNDER A MILE AT TIMES IN BLOWING DUST 
  OR BLOWING SAND. USE EXTRA CAUTION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE STRONG
ENOUGH TO MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. IN ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT
IN BRIEFLY LOWERED VISIBILITIES TO WELL UNDER A MILE AT TIMES IN
BLOWING DUST OR BLOWING SAND. USE EXTRA CAUTION.

&&

$$

CAZ523-211300-
/O.CON.KVEF.WI.Y.0026.100521T1800Z-100523T0600Z/
WESTERN MOJAVE DESERT-
INCLUDING THE CITIES OF...BARSTOW...DAGGETT...FORT IRWIN
939 PM PDT THU MAY 20 2010

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM FRIDAY TO 11 PM PDT
SATURDAY...

A WIND ADVISORY REMAINS IN EFFECT FOR THE WESTERN MOJAVE DESERT FROM
11 AM FRIDAY TO 11 PM PDT SATURDAY.

* WINDS: WEST WINDS 25 TO 35 MPH WITH GUSTS TO 50 TO 55 MPH.

* TIMING: WHILE BREEZY CONDITIONS WILL EXISTS TONIGHT AND 
  FRIDAY MORNING...STRONGER WINDS WILL DEVELOP LATE FRIDAY 
  MORNING AND WILL PERSISTS THROUGH FRIDAY NIGHT AND SATURDAY 
  INTO SATURDAY EVENING.

* LOCATIONS: BARSTOW...FORT IRWIN...BAKER...MOJAVE NATIONAL 
  PRESERVE...INTERSTATE 15 AND INTERSTATE 40.

* IMPACTS: WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES. IN ADDITION...STRONG 
  WINDS OVER DESERT AREAS COULD RESULT IN BRIEFLY LOWERED 
  VISIBILITIES TO WELL UNDER A MILE AT TIMES IN BLOWING DUST 
  OR BLOWING SAND. USE EXTRA CAUTION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE STRONG
ENOUGH TO MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. IN ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT
IN BRIEFLY LOWERED VISIBILITIES TO WELL UNDER A MILE AT TIMES IN
BLOWING DUST OR BLOWING SAND. USE EXTRA CAUTION.

&&

$$

CAZ519>521-211300-
/O.CON.KVEF.HW.A.0007.100521T1900Z-100522T1200Z/
EASTERN SIERRA SLOPES-OWENS VALLEY-WHITE MOUNTAINS OF INYO COUNTY-
INCLUDING THE CITIES OF...ASPENDELL...WHITNEY PORTAL...BISHOP...
INDEPENDENCE...LONE PINE...OLANCHA
939 PM PDT THU MAY 20 2010

...HIGH WIND WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH
LATE FRIDAY NIGHT...

A HIGH WIND WATCH REMAINS IN EFFECT FOR THE EAST SLOPE OF THE
SOUTHERN SIERRA...OWENS VALLEY AND WHITE MOUNTAINS OF INYO COUNTY FROM
FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT.

* WINDS: WEST WINDS 35 TO 45 MPH WITH GUSTS UP TO 70 MPH OR 
  GREATER OVER THE HIGHER ELEVATIONS. SOUTHWEST TO WEST WINDS 25 
  TO 35 MPH WITH GUSTS TO 60 MPH OR GREATER OVER THE LOWER 
  VALLEYS. 

* TIMING: WINDS WILL INCREASE FRIDAY MORNING AND CONTINUE INTO 
  LATE FRIDAY NIGHT. THE STRONGEST WINDS ARE EXPECTED LATE 
  FRIDAY AFTERNOON AND EVENING.

* LOCATIONS: THE STRONGEST WINDS WILL OCCUR OVER THE HIGHER 
  ELEVATIONS AND NEAR THE MOUTHS OF THE WEST TO EAST CANYON 
  OPENINGS OF THE WESTERN FOOTHILLS.

* IMPACTS: RESIDENTS SHOULD BE AWARE OF THE POTENTIAL FOR THESE 
  STRONG WINDS AND TRAVELERS ARE URGED TO USE CAUTION ON 
  FRIDAY AS STRONG CROSSWINDS MAY BE ENCOUNTERED ON AREA 
  ROADWAYS... ESPECIALLY ALONG HIGHWAY 395.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH
WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH AND...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR IN THE WATCH AREA. CONTINUE TO MONITOR
FORECASTS FOR THE LATEST INFORMATION.

&&

$$

PIERCE
591 
WWUS75 KVEF 211105
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
405 AM PDT FRI MAY 21 2010

.A STRONG PACIFIC STORM WILL MOVE OVER THE PACIFIC NORTHWEST COAST
TODAY...RESULTING IN FAVORABLE CONDITIONS FOR DOWNSLOPE WINDS
ALONG THE EAST SLOPES OF THE SOUTHERN SIERRA AND WHITE MOUNTAINS
OF INYO COUNTY AS WELL AS THE OWENS VALLEY. WINDS WILL ALSO BECOME
STRONG ACROSS THE MOJAVE DESERT. SOME AREAS WILL SEE THE STRONG
WINDS PERSIST THROUGH SATURDAY AS THE LOW PRESSURE SYSTEM REMAINS
OVER THE PACIFIC NORTHWEST.

CAZ519>521-211900-
/O.UPG.KVEF.HW.A.0007.100521T1900Z-100522T1200Z/
/O.NEW.KVEF.HW.W.0007.100521T2200Z-100522T1200Z/
EASTERN SIERRA SLOPES-OWENS VALLEY-WHITE MOUNTAINS OF INYO COUNTY-
INCLUDING THE CITIES OF...ASPENDELL...WHITNEY PORTAL...BISHOP...
INDEPENDENCE...LONE PINE...OLANCHA
405 AM PDT FRI MAY 21 2010

...HIGH WIND WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 5 AM PDT
SATURDAY...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A HIGH WIND
WARNING FOR THE EASTERN SIERRA SLOPES...OWENS VALLEY AND THE EAST
SLOPES OF THE WHITE MOUNTAINS OF INYO COUNTY...WHICH IS IN EFFECT
FROM 3 PM THIS AFTERNOON TO 5 AM PDT SATURDAY. THIS REPLACES THE
HIGH WIND WATCH PREVIOUSLY IN EFFECT.

* WINDS: WEST WINDS 35 TO 45 MPH WITH GUSTS UP TO 70 MPH OR 
  GREATER OVER THE HIGHER ELEVATIONS. SOUTHWEST TO WEST WINDS 25 
  TO 35 MPH WITH GUSTS TO 60 MPH OR GREATER OVER THE LOWER 
  VALLEYS. 

* TIMING: WINDS WILL INCREASE EARLY THIS AFTERNOON THEN BECOME
  STRONGEST LATE THIS AFTERNOON AND EVENING BEFORE GRADUALLY
  DECREASING AFTER MIDNIGHT.

* LOCATIONS: THE STRONGEST WINDS WILL OCCUR ALONG THE MID TO LOWER
  SLOPES AND ESPECIALLY NEAR THE MOUTHS OF WEST TO EAST CANYON
  OPENINGS IN THE FOOTHILLS.

* IMPACTS: RESIDENTS SHOULD BE AWARE OF THE POTENTIAL FOR THESE
  STRONG WINDS AND TRAVELERS ARE URGED TO USE CAUTION THIS
  AFTERNOON AND TONIGHT AS STRONG CROSSWINDS MAY BE ENCOUNTERED ON
  AREA ROADWAYS...ESPECIALLY ALONG HIGHWAY 395.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS THAT A HAZARDOUS HIGH WIND EVENT IS
EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH
AND...OR GUSTS OF AT LEAST 58 MPH CAN LEAD TO PROPERTY DAMAGE.

&&

$$

AZZ001-003-036-CAZ524-NVZ016>022-211900-
/O.CON.KVEF.WI.Y.0026.100521T1800Z-100522T0600Z/
NORTHWEST PLATEAU-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-EASTERN MOJAVE DESERT-
NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY-
SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-LAS VEGAS VALLEY-
SOUTHERN CLARK COUNTY-
INCLUDING THE CITIES OF...COLORADO CITY...
PIPE SPRING NATIONAL MONUMENT...TUWEEP...MT TRUMBULL...KINGMAN...
GOLDEN VALLEY...DOLAN SPRINGS...VALENTINE...WIKIEUP...YUCCA...
BULLHEAD CITY...MOHAVE VALLEY...BAKER...MOUNTAIN PASS...
MITCHELL CAVERNS...MESQUITE...OVERTON...MOAPA...PAHRUMP...
INDIAN SPRINGS...DESERT ROCK...AMARGOSA VALLEY...
THE TOWN OF MT CHARLESTON...RED ROCK...LAS VEGAS...
NORTH LAS VEGAS...HENDERSON...BOULDER CITY...SUMMERLIN...NELLIS...
MOUNTAINS EDGE...SEVEN HILLS...BLUE DIAMOND...HOOVER DAM...
LAUGHLIN...PRIMM...SEARCHLIGHT...CAL-NEV-ARI
405 AM PDT FRI MAY 21 2010 /405 AM MST FRI MAY 21 2010/

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM PDT /11 AM MST/ THIS
MORNING TO 11 PM PDT /11 PM MST/ THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FROM 11 AM PDT /11 AM MST/ THIS
MORNING TO 11 PM PDT /11 PM MST/ THIS EVENING FOR SOUTHERN NEVADA
AND NORTHWEST ARIZONA INCLUDING THE LAKE MEAD NATIONAL RECREATION
AREA.

* WINDS: SOUTHWEST WINDS 25 TO 35 MPH WITH GUSTS 45 TO 50 MPH.

* TIMING: WINDS WILL INCREASE LATE THIS MORNING THEN BECOMING
  STRONGEST THIS AFTERNOON AND EVENING. ALTHOUGH WINDS WILL
  CONTINUE THROUGH THE NIGHT...WIND GUSTS WILL GENERALLY DECREASE
  BELOW 40 MPH BY MIDNIGHT.

* LOCATIONS: LAS VEGAS...RED ROCK...PAHRUMP...MERCURY...BOULDER
  CITY...LAKE MEAD...LAKE MOHAVE...SEARCHLIGHT...LAUGHLIN...BULLHEAD
  CITY...KINGMAN...DOLAN SPRINGS...MOHAVE VALLEY...BAKER.

* IMPACTS: WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
  ESPECIALLY FOR HIGH PROFILE VEHICLES. IN ADDITION...STRONG WINDS
  OVER DESERT AREAS COULD RESULT IN BRIEFLY LOWERED VISIBILITIES
  TO WELL UNDER A MILE AT TIMES IN BLOWING DUST OR BLOWING SAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE STRONG
ENOUGH TO MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. IN ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT
IN BRIEFLY LOWERED VISIBILITIES TO WELL UNDER A MILE AT TIMES IN
BLOWING DUST OR BLOWING SAND. USE EXTRA CAUTION.

&&

$$

CAZ523-211900-
/O.CON.KVEF.WI.Y.0026.100521T1800Z-100523T0600Z/
WESTERN MOJAVE DESERT-
INCLUDING THE CITIES OF...BARSTOW...DAGGETT...FORT IRWIN
405 AM PDT FRI MAY 21 2010

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 11 PM
PDT SATURDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 11 PM
PDT SATURDAY FOR THE WESTERN MOJAVE DESERT OF SAN BERNARDINO COUNTY.

* WINDS: WEST WINDS 25 TO 35 MPH WITH GUSTS TO 50 TO 55 MPH.

* TIMING: STRONG WINDS WILL DEVELOP LATE THIS MORNING AND WILL
  PERSIST THROUGH SATURDAY EVENING THOUGH A SLIGHT DECREASE IN
  WIND SPEEDS MAY OCCUR LATE TONIGHT THROUGH EARLY SATURDAY
  MORNING.

* LOCATIONS: BARSTOW...FORT IRWIN...BAKER...MOJAVE NATIONAL 
  PRESERVE...INTERSTATE 15 AND INTERSTATE 40.

* IMPACTS: WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
  ESPECIALLY FOR HIGH PROFILE VEHICLES. IN ADDITION...STRONG WINDS
  OVER DESERT AREAS COULD RESULT IN BRIEFLY LOWERED VISIBILITIES
  TO WELL UNDER A MILE AT TIMES IN BLOWING DUST OR BLOWING SAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE STRONG
ENOUGH TO MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. IN ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT
IN BRIEFLY LOWERED VISIBILITIES TO WELL UNDER A MILE AT TIMES IN
BLOWING DUST OR BLOWING SAND. USE EXTRA CAUTION.

&&

$$

JA
068 
WWUS75 KVEF 211938
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1238 PM PDT FRI MAY 21 2010

.A STRONG PACIFIC STORM WILL MOVE OVER THE PACIFIC NORTHWEST COAST
TODAY...RESULTING IN FAVORABLE CONDITIONS FOR DOWNSLOPE WINDS ALONG
THE EAST SLOPES OF THE SOUTHERN SIERRA AND WHITE MOUNTAINS OF INYO
COUNTY AS WELL AS THE OWENS VALLEY. WINDS WILL ALSO BECOME STRONG
ACROSS THE MOJAVE DESERT. SOME AREAS WILL SEE THE STRONG WINDS
PERSIST THROUGH SATURDAY AS THE LOW PRESSURE SYSTEM REMAINS OVER
THE PACIFIC NORTHWEST.

CAZ519>521-220600-
/O.CON.KVEF.HW.W.0007.100521T2200Z-100522T1200Z/
EASTERN SIERRA SLOPES-OWENS VALLEY-WHITE MOUNTAINS OF INYO COUNTY-
INCLUDING THE CITIES OF...ASPENDELL...WHITNEY PORTAL...BISHOP...
INDEPENDENCE...LONE PINE...OLANCHA
1238 PM PDT FRI MAY 21 2010

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM PDT SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM PDT SATURDAY FOR THE 
EASTERN SIERRA SLOPES...OWENS VALLEY AND THE EAST SLOPES OF THE
WHITE MOUNTAINS OF INYO COUNTY..

* WINDS: WEST WINDS 35 TO 45 MPH WITH GUSTS UP TO 70 MPH OR 
  GREATER OVER THE HIGHER ELEVATIONS. SOUTHWEST TO WEST WINDS 25 
  TO 35 MPH WITH GUSTS TO 60 MPH OR GREATER OVER THE LOWER 
  VALLEYS. 

* TIMING: WINDS WILL INCREASE EARLY THIS AFTERNOON THEN BECOME 
  STRONGEST LATE THIS AFTERNOON AND EVENING BEFORE GRADUALLY 
  DECREASING AFTER MIDNIGHT.

* LOCATIONS: THE STRONGEST WINDS WILL OCCUR ALONG THE MID TO 
  LOWER SLOPES AND ESPECIALLY NEAR THE MOUTHS OF WEST TO EAST 
  CANYON OPENINGS IN THE FOOTHILLS.

* IMPACTS: RESIDENTS SHOULD BE AWARE OF THE POTENTIAL FOR THESE 
  STRONG WINDS AND TRAVELERS ARE URGED TO USE CAUTION THIS 
  AFTERNOON AND TONIGHT AS STRONG CROSSWINDS MAY BE 
  ENCOUNTERED ON AREA ROADWAYS...ESPECIALLY ALONG HIGHWAY 395.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS THAT A HAZARDOUS HIGH WIND EVENT IS
EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH
AND...OR GUSTS OF AT LEAST 58 MPH CAN LEAD TO PROPERTY DAMAGE.

&&

$$

AZZ001-003-036-CAZ524-NVZ016>022-220600-
/O.CON.KVEF.WI.Y.0026.000000T0000Z-100522T0600Z/
NORTHWEST PLATEAU-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-EASTERN MOJAVE DESERT-
NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY-
SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-LAS VEGAS VALLEY-
SOUTHERN CLARK COUNTY-
INCLUDING THE CITIES OF...COLORADO CITY...
PIPE SPRING NATIONAL MONUMENT...TUWEEP...MT TRUMBULL...KINGMAN...
GOLDEN VALLEY...DOLAN SPRINGS...VALENTINE...WIKIEUP...YUCCA...
BULLHEAD CITY...MOHAVE VALLEY...BAKER...MOUNTAIN PASS...
MITCHELL CAVERNS...MESQUITE...OVERTON...MOAPA...PAHRUMP...
INDIAN SPRINGS...DESERT ROCK...AMARGOSA VALLEY...
THE TOWN OF MT CHARLESTON...RED ROCK...LAS VEGAS...
NORTH LAS VEGAS...HENDERSON...BOULDER CITY...SUMMERLIN...NELLIS...
MOUNTAINS EDGE...SEVEN HILLS...BLUE DIAMOND...HOOVER DAM...
LAUGHLIN...PRIMM...SEARCHLIGHT...CAL-NEV-ARI
1238 PM PDT FRI MAY 21 2010 /1238 PM MST FRI MAY 21 2010/

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT /11 PM MST/ THIS
EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT /11 PM MST/ THIS
EVENING FOR FAR SOUTHERN NEVADA AND NORTHWEST ARIZONA INCLUDING
THE LAKE MEAD NATIONAL RECREATION AREA. .

* WINDS: SOUTHWEST WINDS 25 TO 35 MPH WITH GUSTS 45 TO 50 MPH.

* TIMING: WINDS WILL CONTINUE TO INCREASE EARLY THIS AFTERNOON
  THEN BECOMING STRONGEST LATE THIS AFTERNOON AND EVENING.
  ALTHOUGH WINDS WILL CONTINUE THROUGH THE NIGHT...WIND GUSTS WILL
  GENERALLY DECREASE BELOW 40 MPH BY MIDNIGHT.

* LOCATIONS: LAS VEGAS...RED ROCK...PAHRUMP...MERCURY...BOULDER 
  CITY...LAKE MEAD...LAKE MOHAVE...SEARCHLIGHT...LAUGHLIN...
  BULLHEAD CITY...KINGMAN...DOLAN SPRINGS...MOHAVE VALLEY...
  BAKER. 

* IMPACTS: WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES. IN ADDITION...STRONG 
  WINDS OVER DESERT AREAS COULD RESULT IN BRIEFLY LOWERED 
  VISIBILITIES TO WELL UNDER A MILE AT TIMES IN BLOWING DUST 
  OR BLOWING SAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE STRONG
ENOUGH TO MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. IN ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT
IN BRIEFLY LOWERED VISIBILITIES TO WELL UNDER A MILE AT TIMES IN
BLOWING DUST OR BLOWING SAND. USE EXTRA CAUTION.

&&

$$

CAZ523-220600-
/O.CON.KVEF.WI.Y.0026.000000T0000Z-100523T0600Z/
WESTERN MOJAVE DESERT-
INCLUDING THE CITIES OF...BARSTOW...DAGGETT...FORT IRWIN
1238 PM PDT FRI MAY 21 2010

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT SATURDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT SATURDAY FOR THE
WESTERN MOJAVE DESERT OF SAN BERNARDINO COUNTY. 

* WINDS: WEST WINDS 25 TO 35 MPH WITH GUSTS TO 50 TO 55 MPH.

* TIMING: STRONG WINDS WILL PERSIST FROM THIS AFTERNOON THROUGH
  SATURDAY EVENING THOUGH A SLIGHT DECREASE IN WIND SPEEDS MAY
  OCCUR LATE TONIGHT THROUGH EARLY SATURDAY MORNING.

* LOCATIONS: BARSTOW...FORT IRWIN...BAKER...MOJAVE NATIONAL 
  PRESERVE...INTERSTATE 15 AND INTERSTATE 40.

* IMPACTS: WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES. IN ADDITION...STRONG 
  WINDS OVER DESERT AREAS COULD RESULT IN BRIEFLY LOWERED 
  VISIBILITIES TO WELL UNDER A MILE AT TIMES IN BLOWING DUST 
  OR BLOWING SAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE STRONG
ENOUGH TO MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. IN ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT
IN BRIEFLY LOWERED VISIBILITIES TO WELL UNDER A MILE AT TIMES IN
BLOWING DUST OR BLOWING SAND. USE EXTRA CAUTION.

&&

$$
566 
WWUS75 KVEF 220559
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1059 PM PDT FRI MAY 21 2010

.A STRONG STORM WILL MOVE THROUGH THE PACIFIC NORTHWEST TONIGHT
AND SATURDAY...BRINGING AREAS OF STRONG WINDS TO THE MOJAVE
DESERT. 

CAZ519>521-220700-
/O.CAN.KVEF.HW.W.0007.000000T0000Z-100522T1200Z/
EASTERN SIERRA SLOPES-OWENS VALLEY-WHITE MOUNTAINS OF INYO COUNTY-
INCLUDING THE CITIES OF...ASPENDELL...WHITNEY PORTAL...BISHOP...
INDEPENDENCE...LONE PINE...OLANCHA
1059 PM PDT FRI MAY 21 2010

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS CANCELLED THE HIGH
WIND WARNING FOR THE EASTERN SIERRA SLOPES AND THE OWENS VALLEY. 

WINDS HAD SHIFTED TO NORTHERLY AS A COLD FRONT PASSED THROUGH LATE
FRIDAY EVENING. ALTHOUGH NORTH WINDS COULD OCCASIONALLY GUST OVER
40 MPH...THE THREAT FOR WIDESPREAD HIGH WINDS HAD ENDED.
THEREFORE...THE HIGH WIND WARNING HAS BEEN CANCELLED.

$$

AZZ001-003-036-CAZ524-NVZ016>018-021-022-220700-
/O.EXP.KVEF.WI.Y.0026.000000T0000Z-100522T0600Z/
NORTHWEST PLATEAU-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-EASTERN MOJAVE DESERT-
NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY-
SHEEP RANGE-SOUTHERN CLARK COUNTY-
INCLUDING THE CITIES OF...COLORADO CITY...
PIPE SPRING NATIONAL MONUMENT...TUWEEP...MT TRUMBULL...KINGMAN...
GOLDEN VALLEY...DOLAN SPRINGS...VALENTINE...WIKIEUP...YUCCA...
BULLHEAD CITY...MOHAVE VALLEY...BAKER...MOUNTAIN PASS...
MITCHELL CAVERNS...MESQUITE...OVERTON...MOAPA...PAHRUMP...
INDIAN SPRINGS...DESERT ROCK...AMARGOSA VALLEY...HOOVER DAM...
LAUGHLIN...PRIMM...SEARCHLIGHT...CAL-NEV-ARI
1059 PM PDT FRI MAY 21 2010 /1059 PM MST FRI MAY 21 2010/

...WIND ADVISORY WILL EXPIRE AT 11 PM PDT /11 PM MST/ THIS
EVENING...

THE WIND ADVISORY FOR NORTHEAST SAN BERNARDINO COUNTY
CALIFORNIA...MUCH OF CLARK COUNTY NEVADA...AND MUCH OF MOHAVE
COUNTY ARIZONA WILL EXPIRE AT 11 PM THIS EVENING.

WINDS HAD SUBSIDED OVER MUCH OF THE AREA LATE FRIDAY EVENING.
ISOLATED STRONG WINDS WILL PERSIST INTO THE EARLY MORNING HOURS
AT HIGHER ELEVATIONS SOUTHEAST OF INTERSTATE 15...BUT THE THREAT
OF WIDESPREAD STRONG WINDS HAD ENDED. THEREFORE...THE WIND
ADVISORY WILL BE ALLOWED TO EXPIRE.

$$

NVZ019-221000-
/O.EXT.KVEF.WI.Y.0026.000000T0000Z-100522T1000Z/
SPRING MOUNTAINS-RED ROCK CANYON-
INCLUDING...THE TOWN OF MT CHARLESTON...RED ROCK
1059 PM PDT FRI MAY 21 2010

...WIND ADVISORY NOW IN EFFECT UNTIL 3 AM PDT SATURDAY...

THE WIND ADVISORY FOR THE SPRING MOUNTAINS AND RED ROCK CANYON IS
NOW IN EFFECT UNTIL 3 AM PDT SATURDAY.

* WINDS: SOUTHWEST WINDS 25 TO 35 MPH WITH GUSTS 45 TO 55 MPH.

* TIMING: WINDS WILL PERSIST INTO THE EARLY MORNING HOURS BEFORE
  SUBSIDING. 

* LOCATIONS: THE TOWN OF MT CHARLESTON...RED ROCK

* IMPACTS: STRONG WINDS WILL MAKE DRIVING DIFFICULT IN THE
  VICINITY OF THE RED ROCK CANYON VISITORS CENTER. AREAS OF
  BLOWING DUST AND SAND WILL ALSO BE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE STRONG
ENOUGH TO MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. IN ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT
IN BRIEFLY LOWERED VISIBILITIES TO WELL UNDER A MILE AT TIMES IN
BLOWING DUST OR BLOWING SAND. USE EXTRA CAUTION.

&&

$$

NVZ020-221000-
/O.EXT.KVEF.WI.Y.0026.000000T0000Z-100522T1000Z/
LAS VEGAS VALLEY-
INCLUDING THE CITY OF...BLUE DIAMOND
1059 PM PDT FRI MAY 21 2010

...WIND ADVISORY NOW IN EFFECT UNTIL 3 AM PDT SATURDAY ABOVE
3500 FEET...

THE WIND ADVISORY IS NOW IN EFFECT FOR AREAS ABOVE 3500 FEET ON
THE WEST SIDE OF THE LAS VEGAS VALLEY UNTIL 3 AM PDT SATURDAY.

* WINDS: SOUTHWEST WINDS 25 TO 35 MPH WITH GUSTS 45 TO 55 MPH.

* TIMING: DOWNSLOPE WINDS OFF THE SPRING MOUNTAINS WILL PERSIST
  THROUGH EARLY MORNING BEFORE SUBSIDING.

* LOCATIONS: BLUE DIAMOND...MOUNTAINS EDGE.

* IMPACTS: STRONG WINDS WILL MAKE DRIVING DIFFICULT ON THE 215
  BELTWAY AND MOUNTAINS EDGE PARKWAY. AREAS OF BLOWING DUST AND
  SAND WILL ALSO BE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE STRONG
ENOUGH TO MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. IN ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT
IN BRIEFLY LOWERED VISIBILITIES TO WELL UNDER A MILE AT TIMES IN
BLOWING DUST OR BLOWING SAND. USE EXTRA CAUTION.

&&

$$

CAZ523-221000-
/O.CON.KVEF.WI.Y.0026.000000T0000Z-100523T0600Z/
WESTERN MOJAVE DESERT-
INCLUDING THE CITIES OF...BARSTOW...DAGGETT...FORT IRWIN
1059 PM PDT FRI MAY 21 2010

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT SATURDAY...

A WIND ADVISORY REMAINS IN EFFECT FOR NORTHWEST SAN BERNARDINO
COUNTY UNTIL 11 PM PDT SATURDAY.

* WINDS: WEST WINDS 25 TO 35 MPH WITH GUSTS TO 50 TO 55 MPH.

* TIMING: WINDS WILL LULL A BIT THROUGH EARLY SATURDAY MORNING
  THEN INCREASE AGAIN BY LATE MORNING.

* LOCATIONS: BARSTOW...DAGGETT...FORT IRWIN

* IMPACTS: STRONG WINDS WILL MAKE DRIVING DIFFICULT ON INTERSTATE
  15...INTERSTATE 40...AND HIGHWAY 58. AREAS OF BLOWING DUST AND
  SAND WILL ALSO BE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE STRONG
ENOUGH TO MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. IN ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT
IN BRIEFLY LOWERED VISIBILITIES TO WELL UNDER A MILE AT TIMES IN
BLOWING DUST OR BLOWING SAND. USE EXTRA CAUTION.

&&

$$

MORGAN
384 
WWUS75 KVEF 220948
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
248 AM PDT SAT MAY 22 2010

.A STRONG STORM WILL MOVE THROUGH THE PACIFIC NORTHWEST TODAY AND
DROP SOUTH TO THE CENTRAL CALIFORNIA AREA BY TONIGHT. THIS WILL
RESULT IN CONTINUED STRONG WINDS ACROSS PORTIONS OF THE MOHAVE DESERT.

NVZ019-221100-
/O.EXP.KVEF.WI.Y.0026.000000T0000Z-100522T1000Z/
SPRING MOUNTAINS-RED ROCK CANYON-
INCLUDING...THE TOWN OF MT CHARLESTON...RED ROCK
248 AM PDT SAT MAY 22 2010

...WIND ADVISORY WILL EXPIRE AT 3 AM PDT EARLY THIS MORNING...

THE WIND ADVISORY WILL EXPIRE AT 3 AM PDT EARLY THIS MORNING FOR
THE SPRING MOUNTAINS AND RED ROCK CANYON.

ALTHOUGH LOCAL GUSTS TO OVER 40 MPH WILL LIKELY BE FELT THROUGH
THE REMAINDER OF TONIGHT...WIDESPREAD ADVISORY LEVEL WINDS ARE NO
LONGER EXPECTED. THUS THE WIND ADVISORY WILL BE ALLOWED TO EXPIRE
AS OF 3 AM PDT. 

$$

NVZ020-221100-
/O.EXP.KVEF.WI.Y.0026.000000T0000Z-100522T1000Z/
LAS VEGAS VALLEY-
INCLUDING THE CITY OF...BLUE DIAMOND
248 AM PDT SAT MAY 22 2010

...WIND ADVISORY WILL EXPIRE AT 3 AM PDT EARLY THIS MORNING ABOVE
3500 FEET...

THE WIND ADVISORY ABOVE 3500 FEET WILL EXPIRE AT 3 AM PDT EARLY
THIS MORNING FOR THE LAS VEGAS VALLEY. 

ALTHOUGH LOCAL GUSTS TO OVER 40 MPH WILL LIKELY BE FELT THROUGH
THE REMAINDER OF TONIGHT...WIDESPREAD ADVISORY LEVEL WINDS ARE NO
LONGER EXPECTED. THUS THE WIND ADVISORY WILL BE ALLOWED TO EXPIRE
AS OF 3 AM PDT.

$$

CAZ523-221800-
/O.CON.KVEF.WI.Y.0026.000000T0000Z-100523T0600Z/
WESTERN MOJAVE DESERT-
INCLUDING THE CITIES OF...BARSTOW...DAGGETT...FORT IRWIN
248 AM PDT SAT MAY 22 2010

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR
THE WESTERN MOJAVE DESERT.

* WINDS: WEST WINDS 25 TO 35 MPH WITH GUSTS TO 50 TO 55 MPH.

* TIMING: WINDS WILL LULL A BIT THROUGH EARLY THIS MORNING AND THEN
  INCREASE AGAIN BY LATE MORNING AND INTO THE AFTERNOON.

* LOCATIONS: BARSTOW...DAGGETT...FORT IRWIN

* IMPACTS: STRONG WINDS WILL MAKE DRIVING DIFFICULT ON 
  INTERSTATE 15...INTERSTATE 40...AND HIGHWAY 58. AREAS OF 
  BLOWING DUST AND SAND WILL ALSO BE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE STRONG
ENOUGH TO MAKE DRIVING DIFFICULT. USE EXTRA CAUTION.

&&

$$
796 
WWUS75 KVEF 221724
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1024 AM PDT SAT MAY 22 2010

.A STRONG STORM WILL MOVE THROUGH THE PACIFIC NORTHWEST TODAY AND
DROP SOUTH TO THE CENTRAL CALIFORNIA AREA BY TONIGHT. THIS WILL
RESULT IN CONTINUED STRONG WINDS ACROSS PORTIONS OF THE MOJAVE
DESERT.

CAZ523-230600-
/O.CON.KVEF.WI.Y.0026.000000T0000Z-100523T0600Z/
WESTERN MOJAVE DESERT-
INCLUDING THE CITIES OF...BARSTOW...DAGGETT...FORT IRWIN
1024 AM PDT SAT MAY 22 2010

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR
THE WESTERN MOJAVE DESERT IN CALIFORNIA.

* WINDS: WEST WINDS 25 TO 35 MPH WITH GUSTS TO 50 TO 55 MPH.

* TIMING: THE STRONG WINDS ARE EXPECTED THROUGH THIS AFTERNOON AND
  EVENING BUT WILL DECREASE AFTER MIDNIGHT.

* LOCATIONS: BARSTOW...DAGGETT...FORT IRWIN

* IMPACTS: STRONG WINDS WILL MAKE DRIVING DIFFICULT ON 
  INTERSTATE 15...INTERSTATE 40...AND HIGHWAY 58. AREAS OF 
  BLOWING DUST AND SAND WILL ALSO BE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE STRONG
ENOUGH TO MAKE DRIVING DIFFICULT. USE EXTRA CAUTION.

&&

$$
286 
WWUS75 KVEF 222332
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
432 PM PDT SAT MAY 22 2010

.STRONG SOUTHWEST WINDS OVER THE SPRING MOUNTAINS WILL RESULT IN
ANOTHER ROUND OF DOWNSLOPE WINDS ON THE EAST SLOPES OF THE
MOUNTAINS AND THE WEST SIDE OF THE LAS VEGAS VALLEY.

NVZ019-020-230600-
/O.EXB.KVEF.WI.Y.0026.100523T0000Z-100523T1000Z/
SPRING MOUNTAINS-RED ROCK CANYON-LAS VEGAS VALLEY-
INCLUDING...THE TOWN OF MT CHARLESTON...RED ROCK...
SUMMERLIN...BLUE DIAMOND
432 PM PDT SAT MAY 22 2010

...WIND ADVISORY IN EFFECT UNTIL 3 AM PDT SUNDAY FOR AREAS ABOVE
3000 FEET...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND
ADVISORY FOR THE SPRING MOUNTAINS AND AREAS ABOVE 3000 FEET ON THE
WEST SIDE OF THE LAS VEGAS VALLEY...WHICH IS IN EFFECT UNTIL 3 AM
PDT SUNDAY.

* WINDS: SOUTHWEST WINDS 25 TO 35 MPH WITH GUSTS 40 TO 50 MPH.

* TIMING: WINDS WILL INCREASE LATE THIS AFTERNOON AND PERSIST
  THROUGH MIDNIGHT BEFORE DECREASING IN THE EARLY MORNING. 

* LOCATIONS: THE TOWN OF MT CHARLESTON...RED ROCK...SUMMERLIN...
  BLUE DIAMOND 

* IMPACTS: STRONG WINDS WILL MAKE DRIVING DIFFICULT ON THE 215
  BELTWAY AND MOUNTAINS EDGE PARKWAY...AS WELL AS ROADS ON THE
  EAST SLOPES OF THE SPRING MOUNTAINS. AREAS OF BLOWING DUST AND
  SAND WILL ALSO BE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE STRONG
ENOUGH TO MAKE DRIVING DIFFICULT. USE EXTRA CAUTION.

&&

$$

CAZ523-230600-
/O.CON.KVEF.WI.Y.0026.000000T0000Z-100523T0600Z/
WESTERN MOJAVE DESERT-
INCLUDING THE CITIES OF...BARSTOW...DAGGETT...FORT IRWIN
432 PM PDT SAT MAY 22 2010

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FOR NORTHWEST SAN BERNARDINO
COUNTY UNTIL 11 PM PDT THIS EVENING.

* WINDS: WEST WINDS 25 TO 35 MPH WITH GUSTS TO 50 TO 55 MPH.

* TIMING: THE STRONG WINDS ARE EXPECTED THROUGH THIS AFTERNOON 
  AND EVENING BUT WILL DECREASE AFTER MIDNIGHT. 

* LOCATIONS: BARSTOW...DAGGETT...FORT IRWIN

* IMPACTS: STRONG WINDS WILL MAKE DRIVING DIFFICULT ON 
  INTERSTATE 15...INTERSTATE 40...AND HIGHWAY 58. AREAS OF 
  BLOWING DUST AND SAND WILL ALSO BE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE STRONG
ENOUGH TO MAKE DRIVING DIFFICULT. USE EXTRA CAUTION.

&&

$$

MORGAN
636 
WWUS75 KVEF 230535
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1035 PM PDT SAT MAY 22 2010

.STRONG SOUTHWEST WINDS OVER THE SPRING MOUNTAINS WILL RESULT IN
ANOTHER ROUND OF DOWNSLOPE WINDS ON THE EAST SLOPES OF THE
MOUNTAINS AND THE WEST SIDE OF THE LAS VEGAS VALLEY.

CAZ523-230645-
/O.EXP.KVEF.WI.Y.0026.000000T0000Z-100523T0600Z/
WESTERN MOJAVE DESERT-
INCLUDING THE CITIES OF...BARSTOW...DAGGETT...FORT IRWIN
1035 PM PDT SAT MAY 22 2010

...WIND ADVISORY WILL EXPIRE AT 11 PM PDT THIS EVENING...

THE WIND ADVISORY FOR NORTHWEST SAN BERNARDINO COUNTY WILL EXPIRE
AT 11 PM THIS EVENING.

WINDS HAD SUBSIDED THIS EVENING...AND GUSTS OVER 40 MPH ARE NOT
EXPECTED OVERNIGHT. THEREFORE...THE WIND ADVISORY WILL BE ALLOWED
TO EXPIRE.

$$

NVZ019-020-231000-
/O.CON.KVEF.WI.Y.0026.000000T0000Z-100523T1000Z/
SPRING MOUNTAINS-RED ROCK CANYON-LAS VEGAS VALLEY-
INCLUDING...THE TOWN OF MT CHARLESTON...RED ROCK...
SUMMERLIN...BLUE DIAMOND
1035 PM PDT SAT MAY 22 2010

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT SUNDAY...

A WIND ADVISORY REMAINS IN EFFECT FOR THE SPRING MOUNTAINS AND
AREAS ABOVE 3000 FEET ON THE WEST SIDE OF THE LAS VEGAS VALLEY UNTIL
3 AM PDT SUNDAY.

* WINDS: SOUTHWEST WINDS 25 TO 35 MPH WITH GUSTS 40 TO 50 MPH.

* TIMING: OCCASIONAL DOWNSLOPE WINDS WILL PERSIST THROUGH MIDNIGHT
  BEFORE DECREASING IN THE EARLY MORNING.

* LOCATIONS: THE TOWN OF MT CHARLESTON...RED ROCK...SUMMERLIN...
  BLUE DIAMOND 

* IMPACTS: STRONG WINDS WILL MAKE DRIVING DIFFICULT ON THE 215 
  BELTWAY AND MOUNTAINS EDGE PARKWAY...AS WELL AS ROADS ON THE 
  EAST SLOPES OF THE SPRING MOUNTAINS. AREAS OF BLOWING DUST 
  AND SAND WILL ALSO BE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT CROSSWINDS ARE EXPECTED TO BE STRONG
ENOUGH TO MAKE DRIVING DIFFICULT. USE EXTRA CAUTION.

&&

$$

MORGAN
940 
WWUS75 KVEF 230955
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
255 AM PDT SUN MAY 23 2010

.A STRONG LOW PRESSURE SYSTEM WILL MOVE OVER SOUTHERN NEVADA
DURING THE DAY RESULTING IN STRONG AND GUSTY WINDS ACROSS
NORTHWEST ARIZONA.

NVZ019-020-231100-
/O.EXP.KVEF.WI.Y.0026.000000T0000Z-100523T1000Z/
SPRING MOUNTAINS-RED ROCK CANYON-LAS VEGAS VALLEY-
INCLUDING...THE TOWN OF MT CHARLESTON...RED ROCK...
SUMMERLIN...BLUE DIAMOND
255 AM PDT SUN MAY 23 2010

...WIND ADVISORY WILL EXPIRE AT 3 AM PDT EARLY THIS MORNING...

THE WIND ADVISORY WILL EXPIRE AT 3 AM PDT EARLY THIS MORNING FOR
THE SPRING MOUNTAINS-RED ROCK CANYON AND THE WESTERN PORTION OF
THE LAS VEGAS VALLEY.

ALTHOUGH GUSTY WINDS WILL CONTINUE THROUGH MUCH OF
TODAY...WIDESPREAD WIND GUSTS TO OVER 40 MPH ARE NO LONGER
EXPECTED. THUS THE WIND ADVISORY WILL BE ALLOWED TO EXPIRE AS OF 3
AM PDT.



$$

AZZ001-003-231800-
/O.NEW.KVEF.WI.Y.0027.100523T1500Z-100524T0200Z/
NORTHWEST PLATEAU-NORTHWEST DESERTS-
INCLUDING THE CITIES OF...COLORADO CITY...
PIPE SPRING NATIONAL MONUMENT...TUWEEP...MT TRUMBULL...KINGMAN...
GOLDEN VALLEY...DOLAN SPRINGS...VALENTINE...WIKIEUP...YUCCA
255 AM MST SUN MAY 23 2010

...WIND ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 7 PM MST THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND
ADVISORY FOR THE NORTHWEST PLATEAU AND THE NORTHWEST DESERTS... 
WHICH IS IN EFFECT FROM 8 AM THIS MORNING TO 7 PM MST THIS
EVENING.

* WINDS: SOUTHWEST WINDS INCREASING TO BETWEEN 25 TO 35 MPH WITH
  GUSTS 45 TO 55 MPH.

* TIMING: WINDS WILL INCREASE EARLY THIS MORNING AND CONTINUE INTO
  EARLY EVENING. THE STRONGEST WINDS WILL BE IN THE AFTERNOON.

* LOCATIONS: THE TOWNS OF KINGMAN...DOLAN SPRINGS...GOLDEN VALLEY
  AND PIPE SPRING NATIONAL MONUMENT.

* IMPACTS: STRONG CROSSWINDS ON THE AREA ROADWAYS...ESPECIALLY
  INTERSTATES 40 AND 93.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT IN
BRIEFLY LOWERED VISIBILITIES TO WELL UNDER A MILE AT TIMES IN
BLOWING DUST OR BLOWING SAND. USE EXTRA CAUTION.

&&

$$

What forecasters said that day

The local office's own words before this wind advisory 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 wind advisory went out at May 20, 10:10 AM PDT, 4 hours 9 minutes earlier.

Area forecast discussion, May 20, 10:10 AM PDT, 4 hours 9 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
1010 AM PDT THU MAY 20 2010

.SYNOPSIS...WARM SOUTHWEST FLOW OVER THE DISTRICT WILL PROVIDE FOR
WELL ABOVE NORMAL DAYTIME TEMPERATURES TODAY. HOWEVER A LARGE
PACIFIC STORM WILL THEN DROP SOUTH OUT OF THE GULF OF ALASKA AND
BRING ANOTHER ROUND OF WINDY AND COOLER WEATHER TO THE AREA ON
FRIDAY AND INTO THE WEEKEND.
&&

.UPDATE...DRY WESTERLY FLOW TODAY WITH MOSTLY SUNNY SKIES AND
RELATIVELY LIGHT WINDS. THE SHORTWAVE WHICH PRODUCED SOME MODERATELY
STRONG DOWNSLOPE WINDS LAST NIGHT INTO EARLY THIS MORNING HAS EXITED
TO THE NORTHEAST AND WINDS HAVE DROPPED OFF THERE. FORECAST IN GOOD
SHAPE AND NO UPDATES NEEDED THIS MORNING.
&&

.AVIATION...FOR MCCARRAN...LIGHT SOUTH WINDS AT ABOUT 10 KNOTS THIS
MORNING WILL SWING OVER TO THE SOUTHWEST AT 10 TO 13 KNOTS WITH SOME
OCCASIONAL GUST TO NEAR 20 KNOTS THIS AFTERNOON. THE WINDS WILL STAY
SOUTHWEST BUT NOT GUSTY AFTER AFTER SUNSET. WINDS WILL BE SOUTHWEST
AND STRONGER AND GUSTY FRIDAY AFTERNOON AND WILL HAVE BE TO
ADDRESSED IN THE AFTERNOON 00Z TAF. A FEW CLOUDS AOA 25K FEET MAINLY
THIS AFTERNOON AND EVENING.

FOR THE REST OF SOUTHERN NEVADA...NORTHWEST ARIZONA...AND SOUTHEAST
CALIFORNIA...SOUTHWEST WINDS WILL DEVELOP ACROSS ALL OF THE MOJAVE
DESERT THIS AFTERNOON AT 6-12 KTS EXCEPT AROUND KDAG WHERE WINDS
SHOULD BE 15-20 KTS SUSTAINED WITH GUSTS TO AROUND 25 KTS. FEW-SCT
CLOUDS AOA 25K FEET MAINLY THIS AFTERNOON AND EVENING. FRIDAY
AFTERNOON WILL SEE STRONGER SOUTHWEST TO WEST WINDS ACROSS THE
REGION AS A STORM SYSTEM APPROACHES FROM THE NORTHWEST.
&&

.PREVIOUS DISCUSSION...425 AM PDT THU MAY 20...SHORT TERM...TODAY
THROUGH SATURDAY NIGHT...THE BEGINNING OF THE TRANSITION TO A
PATTERN INFLUENCED BY A BROAD TROUGH WAS ALREADY UNDERWAY THIS
MORNING. A PRELIMINARY WEAK SHORTWAVE TROUGH WAS MOVING ACROSS THE
NORTHERN GREAT BASIN AND WATER VAPORY IMAGERY SHOWED SUBSIDENCE OVER
THE SOUTHERN SIERRA. IN FACT...A FEW SIERRA ROTORS SENSORS NEAR
INDEPENDENCE INDICATED MODERATE DOWNSLOPE WINDS DEVELOPED WITH SOME
GUSTS FROM THE WEST BRIEFLY OVER 40 MPH DURING THE LATE EVENING AND
SHORTLY AFTER MIDNIGHT. THIS IMPULSE WAS LIFTING NORTHEAST AND HIGH
TEMPERATURES WILL STILL RISE SEVERAL DEGREES TODAY UNDER MOSTLY
SUNNY SKIES AND GOOD MIXING. SOUTHWEST WINDS ARE STILL ON TRACK TO
INCREASE FRIDAY AFTERNOON AND EVENING AS A LARGE GULF OF ALASKA LOW
BEGINS TO DIG INTO THE WEST. THE LATEST NAM...GFS AND ECMWF ARE IN
GOOD AGREEMENT THROUGH SATURDAY WITH TRACK OF THE LOW CENTER AND
ASSOCIATED HEIGHT FALLS ACROSS THE FORECAST AREA. THAT SAID...THE
LATEST GUIDANCE DOES NOT PRODUCE EXTREME WIND SPEEDS FRIDAY
AFTERNOON AND EVENING ACROSS THE SOUTHERN HALF OF THE FORECAST AREA.
IT WILL BE WINDY BUT CONFIDENCE IS NOT HIGH THAT GUSTS OVER 40 MPH
WILL BE WIDESPREAD IN THE LAS VEGAS VALLEY. FORECAST SURFACE
PRESSURE GRADIENTS BETWEEN LOS ANGELES AND LAS VEGAS ARE 10-12 MB
FRIDAY AFTERNOON AND EVENING AND THE ENTIRE SYSTEM IS TAKING ITS
TIME PUSHING SOUTHWARD SO THERMAL GRADIENTS WILL NOT BE AS
SIGNIFICANT AS THEY HAVE BEEN WITH SOME OF THE FASTER MOVING SYSTEMS
THIS SPRING. WESTERN SAN BERNARDINO COUNTY WILL SEE THE MOST
PROLONGED STRONG WINDS WITH GUSTS OVER 40 MPH LIKELY FRIDAY
AFTERNOON THROUGH SATURDAY. DOWNSLOPE CONDITIONS IN THE SOUTHERN
SIERRA ARE STILL FAVORABLE BUT PROBABLY NOT UNTIL FRIDAY AFTERNOON
AND EVENING FOR HIGH WINDS OVER 58 MPH. THE HIGH WIND WATCH START
TIME WAS DELAYED UNTIL FRIDAY AFTERNOON AND MAY NEED TO BE EXTENDED
THROUGH SATURDAY BUT THE LATEST NAM INDICATED A LULL SATURDAY
MORNING AFTER 12Z. WINDS WILL PICK UP AGAIN SATURDAY AFTERNOON AND
MAY BE AS STRONG OR STRONGER THAN FRIDAY ACROSS THE MOJAVE DESERT AS
THE CORE OF THE UPPER LOW MAKES MORE SOUTHWARD PROGRESS.

.LONG TERM...LITTLE CHANGE FROM PREVIOUS MODEL RUNS WHICH SHOW A
COLD CLOSED LOW DROPPING SOUTH THROUGH CENTRAL CALIFORNIA SUNDAY
MORNING AND EVENTUALLY INTO SOUTHERN NEVADA BY SUNDAY AFTERNOON.
ALTHOUGH THIS SYSTEM IS NOT TAPPING INTO ANY SIGNIFICANT MOISTURE
SOURCE...THE DYNAMICS WILL BE STRONG ENOUGH TO PRODUCE ISOLATED TO
SCATTERED SHOWERS ACROSS THE AREA. THIS SYSTEM IS RATHER COLD FOR
THIS TIME OF YEAR AND WITH THE EXPECTED FULL CLOUD COVER
TEMPERATURES WILL REMAIN VERY COOL FOR THIS TIME OF YEAR. AVERAGE
HIGH TEMPERATURES IN LAS VEGAS ON SUNDAY ARE 90 DEGREES...HOWEVER WE
WILL STRUGGLE TO REACH THE LOWER 70S. THE LOW QUICKLY SHIFTS
NORTHEAST MONDAY WITH HEIGHTS STARTING TO RISE AND TEMPERATURES WILL
START TO REBOUND...ALTHOUGH REMAINING SEVERAL DEGREES BELOW NORMAL.
WE SHOULD SEE THE BIGGEST TEMPERATURE JUMP TUESDAY AS THE SOUTHWEST
FLOW INCREASES ACROSS THE AREA IN RESPONSE TO ANOTHER LOW PRESSURE
SYSTEM APPROACHING THE PACIFIC NORTHWEST COAST. WARM TEMPERATURES
WILL CONTINUE WEDNESDAY AS THE FLOW INCREASES AND WILL PUT READINGS
FAIRLY CLOSE TO NORMAL. HOWEVER...THE LOW WILL TAKE AIM AT THE
SOUTHERN GREAT BASIN AND MOJAVE DESERT THURSDAY WITH ANOTHER WINDY
DAY SETTING UP ACROSS THE REGION ALONG WITH ANOTHER SIGNIFICANT
TEMPERATURE DROP LATE THURSDAY AND FRIDAY ALONG WITH ISOLATED TO
SCATTERED SHOWERS.
&&

.FIRE WEATHER...WIDESPREAD SOUTHWEST WINDS GUSTING OVER 35 MPH ARE
EXPECTED TO DEVELOP FRIDAY AFTERNOON AND EVENING ACROSS THE MOJAVE
DESERT REGION AND WILL COMBINE WITH MINIMUM RELATIVE HUMIDITY VALUES
GENERALLY AT OR BELOW 10 PERCENT. THIS WILL CREATE CRITICAL FIRE
WEATHER CONDITIONS FOR ELEVATIONS BELOW 4000 FEET WHERE FINE FUELS
ARE CONSIDERED DRY TO VERY DRY. A FIRE WEATHER WATCH IS IN EFFECT
FOR FRIDAY AFTERNOON AND EVENING TO ADDRESS THESE CONCERNS.

.VEF WATCHES/WARNINGS/ADVISORIES...
NV...FIRE WEATHER WATCH FROM FRIDAY MORNING THROUGH FRIDAY EVENING
     FOR NVZ462>466.
AZ...FIRE WEATHER WATCH FROM FRIDAY MORNING THROUGH FRIDAY EVENING
     FOR AZZ101-102.
CA...FIRE WEATHER WATCH FROM FRIDAY MORNING THROUGH FRIDAY EVENING
     FOR CAZ228-229.
     HIGH WIND WATCH FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT
     FOR CAZ519>521.
&&

HARRISON/JACQUES/ADAIR/GORELOW

HTTP://WEATHER.GOV/LASVEGAS
Hazardous weather outlook, May 20, 6:10 AM PDT, 8 hours 9 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAS VEGAS NV
610 AM PDT THU MAY 20 2010

CAZ519>521-210700-
EASTERN SIERRA SLOPES-OWENS VALLEY-WHITE MOUNTAINS OF INYO COUNTY-
610 AM PDT THU MAY 20 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED TODAY AND TONIGHT.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

FAVORABLE CONDITIONS WILL DEVELOP FOR STRONG DOWNSLOPE WINDS ALONG
THE EAST SLOPES OF THE SOUTHERN SIERRA AND WHITE MOUNTAINS FRIDAY
AFTERNOON. THIS WILL PRODUCE THE THE POTENTIAL FOR STRONG WEST
WINDS IN THE OWENS VALLEY WITH GUSTS POSSIBLY OVER 60 MPH FRIDAY
AFTERNOON THROUGH LATE FRIDAY NIGHT. THESE CONDITIONS MAY REMAIN
IN PLACE SATURDAY AS A LARGE LOW PRESSURE SYSTEM SLOWLY MOVES
ACROSS CENTRAL CALIFORNIA TOWARD SOUTHERN NEVADA. THE THREAT OF
STRONG WINDS WILL DECREASE SUNDAY THROUGH TUESDAY THEN INCREASE
AGAIN WEDNESDAY AS YET ANOTHER LARGE PACIFIC STORM MOVES INTO THE
WEST COAST.

.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-CAZ522>527-NVZ014>022-210700-
NORTHWEST PLATEAU-LOWER COLORADO RIVER VALLEY-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK-
WESTERN MOJAVE DESERT-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-
SHEEP RANGE-SPRING MOUNTAINS-LAS VEGAS VALLEY-
SOUTHERN CLARK COUNTY-
610 AM PDT THU MAY 20 2010 /610 AM MST THU MAY 20 2010/

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

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED TODAY AND TONIGHT.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

STRONG AND GUSTY SOUTHWEST WINDS WILL DEVELOP ACROSS THE MOJAVE
DESERT REGION FRIDAY AFTERNOON AND EVENING. THESE WINDS WILL
COMBINE WITH LOW RELATIVE HUMIDITY AND VERY DRY FINE FUELS AT
ELEVATIONS BELOW 4000 FEET ACROSS MUCH OF SOUTHEAST CALIFORNIA...
SOUTHERN NEVADA AND NORTHWEST ARIZONA TO CREATE CRITICAL FIRE
WEATHER CONDITIONS. WIDESPREAD WIND GUSTS OVER 40 MPH ARE LIKELY
ACROSS THE SAN BERNARDINO COUNTY DESERTS AND NORTHWEST ARIZONA
FRIDAY AFTERNOON AND EVENING AND COULD PERSIST THROUGH SATURDAY.
THE LARGE STORM RESPONSIBLE FOR THE WINDS WILL MOVE ACROSS THE
REGION SUNDAY DECREASING THE PROBABILITY OF WIDESPREAD HAZARDOUS
WEATHER MONDAY THROUGH WEDNESDAY.

.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.

JA

The office that day

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

IssuedProductOfficeCountiesLasted
May 20, 2:02 PM PDTRed Flag WarningVEFClark, Lincoln, Nye57 hr

Nearby

Wind Advisories in Nevada, 2010Wind Advisories in California, 2010Wind Advisories in Arizona, 2010Every wind advisory in 2010

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.