Alert archive / Nevada / High Wind Warnings in 2011

High Wind Warning 10, NWS Las Vegas, NV

April 7, 2011Inyo County, San Bernardino County, California; Clark County, Esmeralda County, Nye County, Nevada

NWS Las Vegas, NV issued this high wind warning at Apr 7, 2011, 6:06 AM PDT for Inyo County, San Bernardino County, California; Clark County, Esmeralda County, Nye County, Nevada. It was in force for 17 hr. 32 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 7, 2011, 6:06 AM PDT (13:06 UTC)
Expired
Apr 7, 2011, 10:48 PM PDT
In force
17 hr
Issued by
NWS Las Vegas, NV

Counties Inyo County, CA, San Bernardino County, CA, Clark County, NV, Esmeralda County, NV, Nye County, NV

The radar

The Las Vegas radar (KESX), 184 km from the middle of the area, began a volume at 13:06 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.

What was reported inside it

TimeReportWhereRemark
Apr 7, 9:34 AM PDTNON-TSTM WND GST 60Red Rock Canyon Raws, NVRED ROCK CANYON RAWS RECORDED A 60 MPH WIND GUST AT AN ELEVATION OF 3756 FEET.
Apr 7, 10:09 AM PDTNON-TSTM WND GST 584 Ene Fort Irwin, CATHE BICYCLE LAKE ASOS ON FORT IRWIN MEASURED A WIND GUST OF 58 MPH AT 2349 FEET IN ELEVATION.
Apr 7, 10:50 AM PDTDUST STORM8 Sw Boulder City, NVA SPOTTER REPORTED PLUMES OF BLOWING DUST FROM THE ELDORADO DRY LAKE BED WERE REDUCING VISIBILITY TO LESS THAN 100 FEET AT TIMES ON HIGHWAY 95.
Apr 7, 11:34 AM PDTNON-TSTM WND GST 77Red Rock Canyon Raws, NVRED ROCK CANYON RAWS MEASURED A 77 MPH WIND GUST AT AN ELEVATION OF 3756 FEET.
Apr 7, 11:55 AM PDTNON-TSTM WND GST 614 Ene Fort Irwin, CABICYCLE LAKE ASOS ON FORT IRWIN MEASURED A PEAK WIND GUST OF 61 MPH AT AN ELEVATION OF 2349 FEET.
Apr 7, 12:00 PM PDTNON-TSTM WND GST 613 Ssw Mercury, NVA30 MESONET SITE AT DESERT ROCK REPORTED A 61 MPH PEAK WIND GUST AT AN ELEVATION OF 3309 FEET.
Apr 7, 12:21 PM PDTNON-TSTM WND GST 621 N Indian Springs, NVTHE ASOS AT CREECH AIR FORCE BASE IN INDIAN SPRINGS MEASURED A PEAK WIND GUST OF 62 MPH AT AN ELEVATION OF 3160 FEET.
Apr 7, 12:45 PM PDTNON-TSTM WND GST 581 E Well 5b (Nts A05), NVA WIND GUST OF 58 MPH WAS MEASURED AT THE WELL 5B MESONET SITE AT AN ELEVATION OF 3085 FEET.
Apr 7, 1:00 PM PDTNON-TSTM WND DMG4 Wsw Downtown Las Vega, NVTHE PUBLIC REPORTED THROUGH LAS VEGAS AREA BROADCAST MEDIA THAT THE BUCKET ON A KFC SIGN WAS SNAPPED BY HIGH WINDS NEAR THE INTERSECTION OF SAHARA AVENUE AND ARVILLE STREET IN LAS VEGAS. THE TIME OF THIS EVENT IS ESTIMATED.
Apr 7, 1:10 PM PDTSNOW 11 Wnw Aspendell, CAA SPOTTER REPORTED AROUND AN INCH OF SNOW HAD ACCUMULATED IN ASPENDELL SO FAR AT 8500 FEET IN ELEVATION.
Apr 7, 1:16 PM PDTNON-TSTM WND GST 631 N Indian Springs, NVTHE ASOS AT CREECH AIR FORCE BASE IN INDIAN SPRINGS MEASURED A 63 MPH WIND GUST.
Apr 7, 1:30 PM PDTNON-TSTM WND DMG2 Nne Downtown Las Vega, NVLAS VEGAS BROADCAST MEDIA REPORTED A TREE BRANCH FELL DOWN AND TOOK OUT POWER LINES KNOCKING OUT POWER TO A FEW HUNDRED PEOPLE IN THE AREA OF LAKE MEAD BOULEVARD AND WHITE STREET. THE EVENT TIME IS AN ESTIMATE.
Apr 7, 1:30 PM PDTNON-TSTM WND DMG5 Ese Downtown Las Vega, NVA SPOTTER REPORTED A LARGE ILLUMINATED BUSINESS SIGN BROKE ON THE NORTHEAST SIDE OF THE LAS VEGAS VALLEY.
Apr 7, 1:33 PM PDTNON-TSTM WND GST 62Pahrump, NVA SPOTTER MEASURED A PEAK WIND GUST OF 62 MPH IN PAHRUMP.
Apr 7, 1:36 PM PDTNON-TSTM WND GST 59Las Vegas Mccarran Ap, NVMCCARRAN INTERNATIONAL AIRPORT MEASURED A 59 MPH WIND GUST FROM THE SOUTHWEST.
Apr 7, 1:40 PM PDTNON-TSTM WND DMG5 W Green Valley, NVLAS VEGAS AREA BROADCAST MEDIA REPORTED SEVERAL LARGE NETS WERE RIPPED BY HIGH WINDS AT THE CALLAWAY GOLF CENTER ON LAS VEGAS BOULEVARD. THE EVENT TIME IS AN ESTIMATE.
Apr 7, 2:00 PM PDTNON-TSTM WND DMGHenderson, NVTHE PUBLIC REPORTED THROUGH LAS VEGAS AREA BROADCAST MEDIA THAT A LARGE TREE WAS UPROOTED AT HOUSE IN HENDERSON. THE EVENT TIME IS AN ESTIMATE.
Apr 7, 2:00 PM PDTNON-TSTM WND DMGNorth Las Vegas, NVLAS VEGAS AREA BROADCAST MEDIA REPORTED SEVERAL TREES WERE KNOCKED DOWN AND A WOODEN UTILITY POLE WAS BROKEN IN VARIOUS PARTS OF NORTH LAS VEGAS. THE EVENT TIME IS ESTIMATED.
Apr 7, 2:15 PM PDTNON-TSTM WND GST 62Mercury (Nts A23), NVA 62 MPH WIND GUST WAS MEASURED AT THE MERCURY A23 MESONET SITE AT AN ELEVATION OF 3678 FEET.
Apr 7, 2:29 PM PDTNON-TSTM WND GST 611 Sse Bjy Tower (Nts A1, NVTHE BUSTER JANGLE Y MESONET SITE AN AREA 17 OF THE NEVADA NATIONAL SECURITY SITE RECORDED A WIND GUST OF 61 MPH FROM THE WEST-NORTHWEST AT AN ELEVATION OF 4075 FEET.
Apr 7, 2:30 PM PDTNON-TSTM WND GST 601 Ese Yucca Flat (Nts S, NVA WIND GUST OF 60 MPH WAS MEASURED AT A MESONET STATION AT YUCCA FLAT AT AN ELEVATION OF 3925 FEET.
Apr 7, 2:30 PM PDTNON-TSTM WND GST 603 N Amargosa Valley, NVA 60 MPH WIND GUST WAS MEASURED AT A MESONET SITE ON THE SOUTH END OF AREA 25 OF THE NEVADA NATIONAL SECURITY SITE AT AN ELEVATION OF 2800 FEET.
Apr 7, 3:00 PM PDTNON-TSTM WND GST 64Mercury (Nts A23), NVA 64 MPH WIND GUST WAS MEASURED AT THE MERCURY A23 MESONET SITE FROM THE SOUTH-SOUTHWEST AT AN ELEVATION OF 3678 FEET.
Apr 7, 3:00 PM PDTNON-TSTM WND DMG1 Se Logandale, NVAT LEAST TWO TENTS BLEW OVER FROM HIGH WINDS AT THE CLARK COUNTY FAIR AND RODEO IN LOGANDALE. THE TENTS WERE DAMAGED. ONE GIRL WAS HIT BY A TENT BUT WAS NOT INJURED. THE EVENT TIME IS AN ESTIMATE.
Apr 7, 3:00 PM PDTNON-TSTM WND DMG4 Wsw Downtown Las Vega, NVTHE PUBLIC REPORTED THROUGH LAS VEGAS AREA BROADCAST MEDIA THAT THE BUCKET ON A KFC SIGN WAS SNAPPED BY HIGH WINDS NEAR THE INTERSECTION OF SAHARA AVENUE AND ARVILLE STREET IN LAS VEGAS. THE TIME OF THIS EVENT IS ESTIMATED.
Apr 7, 3:44 PM PDTNON-TSTM WND GST 691 Sse Bjy Tower (Nts A1, NVTHE BUSTER JANGLE Y MESONET SITE RECORDED A WIND GUST OF 69 MPH AT AN ELEVATION OF 4075 FEET.
Apr 7, 4:02 PM PDTNON-TSTM WND GST 59Apple Valley, CAMESONET SITE APL IN APPLE VALLEY REPORTED A WIND GUST OF 59 MPH AT ABOUT 400 PM.
Apr 7, 4:45 PM PDTNON-TSTM WND GST 05 Sse Lucerne Valley, CAAT 445 PM ESTIMATED WIND GUST 60+ MPH. PIECES OF PLYWOOD FLEW ACROSS THE FRONT LAWN.
Apr 7, 4:45 PM PDTNON-TSTM WND GST 605 Sse Lucerne Valley, CAAT 445 PM ESTIMATED WIND GUST OF OVER 60 MPH. PIECES OF PLYWOOD FLEW ACROSS THE FRONT LAWN.
Apr 7, 4:45 PM PDTNON-TSTM WND GST 59Desert Rock Airport, NVA 59 MPH WIND GUST WAS MEASURED AT THE DESERT ROCK AIRPORT AT AN ELEVATION OF 3301 FEET.
Apr 7, 5:15 PM PDTNON-TSTM WND GST 641 S Mercury, NVMERCURY A23 MESONET SITE RECORDED A 64 MPH WIND GUST AT AN ELEVATION OF 3678 FEET.
Apr 7, 5:30 PM PDTNON-TSTM WND GST 591 E Well 5b (Nts A05), NVA WIND GUST OF 59 MPH WAS MEASURED AT THE WELL 5B MESONET SITE AT AN ELEVATION OF 3085 FEET.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Las Vegas, NV (KVEF), launched 12:00Z, 1.1 hours before the alert went out and 96 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 2011-04-07Temperature 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 2011-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 square meters per square second.1939587897Sfc1 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
2123 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
130 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.

553 
WWUS75 KVEF 071306
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
606 AM PDT THU APR 7 2011

.A COLD LATE SEASON STORM SYSTEM WILL CONTINUE TO BRING VERY STRONG
AND GUSTY WINDS TO THE EAST SLOPES OF THE SOUTHERN SIERRA AND THE
OWENS VALLEY EARLY THIS MORNING AND THEN TO THE REMAINDER OF REGION
DURING THE DAY TODAY.

CAZ519>521-071600-
/O.CAN.KVEF.HW.W.0009.000000T0000Z-110407T1300Z/
/O.NEW.KVEF.HW.W.0010.110407T1306Z-110407T1600Z/
EASTERN SIERRA SLOPES-OWENS VALLEY-WHITE MOUNTAINS OF INYO COUNTY-
INCLUDING...ASPENDELL...WHITNEY PORTAL...BISHOP...
INDEPENDENCE...LONE PINE...OLANCHA
606 AM PDT THU APR 7 2011

...HIGH WIND WARNING IN EFFECT UNTIL 9 AM PDT THIS MORNING...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A HIGH WIND
WARNING FOR THE EASTERN SIERRA SLOPES...THE OWENS VALLEY AND THE
WHITE MOUNTAINS OF INYO COUNTY...WHICH IS IN EFFECT UNTIL 9 AM
PDT THIS MORNING.

* WINDS: WEST WINDS OF 40 TO 50 MPH WITH GUSTS TO OVER 90 MPH ON 
  THE EASTERN SIERRA SLOPES...WHILE THE WESTERN FOOTHILLS WILL SEE 
  GUSTS TO OVER 60 MPH WITH GUSTS TO OVER 50 MPH IN THE CENTER OF 
  THE VALLEY. 

* TIMING: THE STRONGEST WINDS WILL CONTINUE THROUGH 9 AM THIS
  MORNING AND THEN TAPER OFF DURING THE EARLY MORNING.

* LOCATIONS: THE STRONGEST WINDS WILL BE SEEN MAINLY SOUTH OF
  INDEPENDENCE...INCLUDING LONE PINE...OLANCHA AND HIGHWAY 395.

* IMPACTS: STRONG CROSSWINDS COULD MAKE TRAVEL VERY DIFFICULT 
  ON HIGHWAY 395 AND ROADS LEADING INTO THE EASTERN SIERRA. 
  BLOWING DUST COULD REDUCE VISIBILITIES TO LESS THAN A 
  QUARTER MILE NEAR DRY LAKE BEDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS THAT A HAZARDOUS HIGH WIND EVENT IS
EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 50 MPH
AND...OR GUSTS OF AT LEAST 70 MPH CAN LEAD TO PROPERTY DAMAGE AND
DANGEROUS DRIVING CONDITIONS...ESPECIALLY FOR HIGH PROFILE
VEHICLES.

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.

&&

$$

CAZ522>525-NVZ014-017-019-020-022-071900-
/O.CAN.KVEF.HW.W.0009.000000T0000Z-110408T0700Z/
/O.NEW.KVEF.HW.W.0010.110407T1306Z-110408T0700Z/
DEATH VALLEY NATIONAL PARK-WESTERN MOJAVE DESERT-
EASTERN MOJAVE DESERT-MORONGO BASIN-
ESMERALDA AND CENTRAL NYE COUNTY-
WESTERN CLARK AND SOUTHERN NYE COUNTY-SPRING MOUNTAINS-
RED ROCK CANYON-LAS VEGAS VALLEY-SOUTHERN CLARK COUNTY-
INCLUDING...FURNACE CREEK...SHOSHONE...BARSTOW...
DAGGETT...FORT IRWIN...BAKER...MOUNTAIN PASS...MITCHELL CAVERNS...
MORONGO VALLEY...YUCCA VALLEY...TWENTYNINE PALMS...BEATTY...
GOLDFIELD...SILVER PEAK...DYER...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...
PRIMM...SEARCHLIGHT...CAL-NEV-ARI
606 AM PDT THU APR 7 2011

...HIGH WIND WARNING IN EFFECT UNTIL MIDNIGHT PDT TONIGHT...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A HIGH WIND
WARNING FOR PORTIONS OF SOUTHEAST CALIFORNIA AND SOUTHERN NEVADA...WHICH
IS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT.

* WINDS: SOUTHWEST WINDS OF 25 TO 40 MPH WITH GUSTS TO AROUND 65 
  MPH. 

* TIMING: THE STRONGEST WINDS ARE EXPECTED FROM LATE MORNING 
  THROUGH THE AFTERNOON BEFORE DECREASING DURING THE EARLY 
  EVENING HOURS.

* LOCATIONS: INCLUDE BUT LIMITED TO LAS VEGAS...YUCCA VALLEY... 
  BAKER...MOUNTAIN PASS...PAHRUMP...DEATH VALLEY NATIONAL 
  PARK... INTERSTATES 15 AND 40 AND OTHER ROADS AND HIGHWAYS 
  ACROSS THE AREA.

* IMPACTS: STRONG WINDS WILL MAKE TRAVEL DIFFICULT ON MANY 
  ROADS AROUND THE REGION...ESPECIALLY ON THE NORTH/SOUTH 
  ROADS WHERE STRONG CROSSWINDS WILL OCCUR. BLOWING DUST WILL 
  LIKELY REDUCE VISIBILITIES TO LESS THAN A QUARTER MILE NEAR 
  DRY LAKE BEDS. 

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.

DRIVERS OF MOTORCYLES...VANS...CAMPERS...TRAILERS...AND ANY HIGH-
PROFILE VEHICLES PLANNING TO TRAVEL IN THE WARNING AREA ON THURSDAY
SHOULD BE PREPARED TO ENCOUNTER STRONG WINDS. CONTINUE TO MONITOR
FORECASTS FOR THE LATEST INFORMATION.

&&

$$

AZZ001-003-036-CAZ526-NVZ015-016-018-021-071900-
/O.CON.KVEF.HW.W.0009.110407T1800Z-110408T0700Z/
NORTHWEST PLATEAU-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-CADIZ BASIN-LINCOLN COUNTY-
NORTHEAST CLARK COUNTY-SHEEP RANGE-
INCLUDING...COLORADO CITY...
PIPE SPRING NATIONAL MONUMENT...TUWEEP...MT TRUMBULL...KINGMAN...
GOLDEN VALLEY...DOLAN SPRINGS...VALENTINE...WIKIEUP...YUCCA...
BULLHEAD CITY...MOHAVE VALLEY...VIDAL JUNCTION...CALIENTE...
PIOCHE...PANACA...HIKO...ALAMO...RACHEL...MESQUITE...OVERTON...
MOAPA...HOOVER DAM...LAUGHLIN
606 AM PDT THU APR 7 2011 /606 AM MST THU APR 7 2011/

...HIGH WIND WARNING REMAINS IN EFFECT FROM 11 AM PDT /11 AM MST/
THIS MORNING TO MIDNIGHT PDT /MIDNIGHT MST/ TONIGHT...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 11 AM PDT /11 AM MST/
THIS MORNING TO MIDNIGHT PDT /MIDNIGHT MST/ TONIGHT FOR PORTIONS
OF SOUTHEAST CALIFORNIA...SOUTHERN NEVADA AND NORTHWEST ARIZONA.

* WINDS: SOUTHWEST WINDS OF 25 TO 40 MPH WITH GUSTS TO AROUND 65 
  MPH. 

* TIMING: THE STRONGEST WINDS ARE EXPECTED LATE MORNING THROUGH 
  THE AFTERNOON BEFORE TAPERING OFF DURING THE EARLY EVENING 
  HOURS. 

* LOCATIONS: YUCCA VALLEY...MESQUITE...CALIENTE...LAKE MEAD 
  NATIONAL RECREATION AREA...COLORADO CITY...KINGMAN...NEEDLES 
  INTERSTATES 15 AND 40 AND OTHER ROADS AND HIGHWAYS ACROSS 
  THE AREA.

* IMPACTS: STRONG WINDS WILL MAKE TRAVEL DIFFICULT ON MANY 
  ROADS AND HIGHWAYS AROUND THE REGION...ESPECIALLY ON THE 
  NORTH/SOUTH ROADS WHERE STRONG CROSSWINDS WILL OCCUR. 
  BLOWING DUST MAY ALSO REDUCE VISIBILITIES TO LESS THAN A 
  QUARTER MILE NEAR DRY LAKE BEDS. BOATERS SHOULD BE 
  ESPECIALLY AWARE OF THESE STRONG WINDS AS VERY ROUGH WATER 
  IS EXPECTED TODAY ON THE AREA LAKES.

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.

DRIVERS OF MOTORCYLES...VANS...CAMPERS...TRAILERS...AND ANY HIGH-
PROFILE VEHICLES PLANNING TO TRAVEL IN THE WARNING AREA ON THURSDAY
SHOULD BE PREPARED TO ENCOUNTER STRONG WINDS. CONTINUE TO MONITOR
FORECASTS FOR THE LATEST INFORMATION.

&&

$$

AZZ002-CAZ527-071900-
/O.CON.KVEF.WI.Y.0023.110407T2100Z-110408T0700Z/
LAKE HAVASU AND FORT MOHAVE-SAN BERNARDINO COUNTY-
UPPER COLORADO RIVER VALLEY-
INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK...
NEEDLES
606 AM PDT THU APR 7 2011 /606 AM MST THU APR 7 2011/

...WIND ADVISORY REMAINS IN EFFECT FROM 2 PM PDT /2 PM MST/ THIS
AFTERNOON TO MIDNIGHT PDT /MIDNIGHT MST/ TONIGHT...

A WIND ADVISORY REMAINS IN EFFECT FROM 2 PM PDT /2 PM MST/ THIS
AFTERNOON TO MIDNIGHT PDT /MIDNIGHT MST/ TONIGHT FOR LAKE HAVASU
AND FORT MOHAVE AND SAN BERNARDINO COUNTY UPPER COLORADO RIVER VALLEY.

* WINDS: SOUTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS TO AROUND 45 
  MPH. 

* TIMING: THE STRONGEST WINDS ARE EXPECTED FROM MID AFTERNOON 
  THROUGH THIS EVENING BEFORE DECREASING BY MIDNIGHT.

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

* IMPACTS: STRONG WINDS WILL MAKE TRAVEL DIFFICULT ON MANY 
  ROADS AROUND THE REGION...ESPECIALLY ON THE NORTH/SOUTH 
  ROADS WHERE STRONG CROSSWINDS WILL OCCUR.

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. AREA BOATERS ARE
URGED TO USE CAUTION AS THE LAKES WILL LIKE BE ROUGH.

DRIVERS OF MOTORCYLES...VANS...CAMPERS...TRAILERS...AND ANY HIGH-
PROFILE VEHICLES PLANNING TO TRAVEL IN THE WATCH AREA THURSDAY
SHOULD BE ALERT FOR THESE WINDS. CONTINUE TO MONITOR FORECASTS FOR
THE LATEST INFORMATION.

&&

$$
3 follow-up statements
615 
WWUS75 KVEF 071554
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
854 AM PDT THU APR 7 2011

.A COLD LATE SEASON STORM SYSTEM WILL CONTINUE TO BRING VERY STRONG
AND GUSTY WINDS TO THE SOUTHERN GREAT BASIN AND MOJAVE DESERT
THIS MORNING AND THROUGH THIS EVENING.

CAZ519>521-071700-
/O.EXP.KVEF.HW.W.0010.000000T0000Z-110407T1600Z/
EASTERN SIERRA SLOPES-OWENS VALLEY-WHITE MOUNTAINS OF INYO COUNTY-
INCLUDING...ASPENDELL...WHITNEY PORTAL...BISHOP...
INDEPENDENCE...LONE PINE...OLANCHA
854 AM PDT THU APR 7 2011

...HIGH WIND WARNING WILL EXPIRE AT 9 AM PDT THIS MORNING...

THE HIGH WIND WARNING WILL EXPIRE AT 9 AM PDT THIS MORNING FOR THE
EASTERN SIERRA SLOPES...THE OWENS VALLEY AND THE WHITE MOUNTAINS
OF INYO COUNTY.

THE VERY STRONG WINDS OVER THE WARNED AREA HAVE SUBSIDED BELOW
WARNING LEVEL...HOWEVER ISOLATED STRONG GUSTS COULD OCCUR NEAR
CANYON OPENINGS THROUGH 11 AM PDT.


$$

CAZ522>525-NVZ014-017-019-020-022-080000-
/O.CON.KVEF.HW.W.0010.000000T0000Z-110408T0700Z/
DEATH VALLEY NATIONAL PARK-WESTERN MOJAVE DESERT-
EASTERN MOJAVE DESERT-MORONGO BASIN-
ESMERALDA AND CENTRAL NYE COUNTY-
WESTERN CLARK AND SOUTHERN NYE COUNTY-SPRING MOUNTAINS-
RED ROCK CANYON-LAS VEGAS VALLEY-SOUTHERN CLARK COUNTY-
INCLUDING...FURNACE CREEK...SHOSHONE...BARSTOW...
DAGGETT...FORT IRWIN...BAKER...MOUNTAIN PASS...MITCHELL CAVERNS...
MORONGO VALLEY...YUCCA VALLEY...TWENTYNINE PALMS...BEATTY...
GOLDFIELD...SILVER PEAK...DYER...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...
PRIMM...SEARCHLIGHT...CAL-NEV-ARI
854 AM PDT THU APR 7 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT
FOR PORTIONS OF SOUTHEAST CALIFORNIA AND SOUTHERN NEVADA...WHICH
IS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT.

* WINDS: SOUTHWEST WINDS OF 25 TO 40 MPH WITH GUSTS TO AROUND 65 
  MPH. 

* TIMING: THE STRONGEST WINDS ARE EXPECTED FROM LATE THIS MORNING 
  THROUGH THE AFTERNOON BEFORE DECREASING DURING THE EARLY 
  EVENING HOURS.

* LOCATIONS: INCLUDE BUT LIMITED TO LAS VEGAS...YUCCA VALLEY...
  BAKER...MOUNTAIN PASS...PAHRUMP...DEATH VALLEY NATIONAL PARK...
  INTERSTATES 15 AND 40 AND OTHER ROADS AND HIGHWAYS ACROSS THE
  AREA.

* IMPACTS: STRONG WINDS WILL MAKE TRAVEL DIFFICULT ON MANY 
  ROADS AROUND THE REGION...ESPECIALLY ON THE NORTH/SOUTH 
  ROADS WHERE STRONG CROSSWINDS WILL OCCUR. BLOWING DUST WILL 
  LIKELY REDUCE VISIBILITIES TO LESS THAN A QUARTER MILE NEAR 
  DRY LAKE BEDS. 

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.

DRIVERS OF MOTORCYLES...VANS...CAMPERS...TRAILERS...AND ANY HIGH-
PROFILE VEHICLES PLANNING TO TRAVEL IN THE WARNING AREA ON THURSDAY
SHOULD BE PREPARED TO ENCOUNTER STRONG WINDS. CONTINUE TO MONITOR
FORECASTS FOR THE LATEST INFORMATION.

&&

$$

AZZ001-003-036-CAZ526-NVZ015-016-018-021-080000-
/O.CON.KVEF.HW.W.0009.110407T1800Z-110408T0700Z/
NORTHWEST PLATEAU-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-CADIZ BASIN-LINCOLN COUNTY-
NORTHEAST CLARK COUNTY-SHEEP RANGE-
INCLUDING...COLORADO CITY...
PIPE SPRING NATIONAL MONUMENT...TUWEEP...MT TRUMBULL...KINGMAN...
GOLDEN VALLEY...DOLAN SPRINGS...VALENTINE...WIKIEUP...YUCCA...
BULLHEAD CITY...MOHAVE VALLEY...VIDAL JUNCTION...CALIENTE...
PIOCHE...PANACA...HIKO...ALAMO...RACHEL...MESQUITE...OVERTON...
MOAPA...HOOVER DAM...LAUGHLIN
854 AM PDT THU APR 7 2011 /854 AM MST THU APR 7 2011/

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT /MIDNIGHT
MST/ TONIGHT...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT /MIDNIGHT
MST/ TONIGHT FOR PORTIONS OF SOUTHEAST CALIFORNIA...SOUTHERN
NEVADA AND NORTHWEST ARIZONA..

* WINDS: SOUTHWEST WINDS OF 25 TO 40 MPH WITH GUSTS TO AROUND 65 
  MPH. 

* TIMING: THE STRONGEST WINDS ARE EXPECTED LATER THIS MORNING
  THROUGH THE AFTERNOON BEFORE TAPERING OFF DURING THE EARLY
  EVENING HOURS.

* LOCATIONS: YUCCA VALLEY...MESQUITE...CALIENTE...LAKE MEAD 
  NATIONAL RECREATION AREA...COLORADO CITY...KINGMAN...NEEDLES 
  INTERSTATES 15 AND 40 AND OTHER ROADS AND HIGHWAYS ACROSS 
  THE AREA.

* IMPACTS: STRONG WINDS WILL MAKE TRAVEL DIFFICULT ON MANY 
  ROADS AND HIGHWAYS AROUND THE REGION...ESPECIALLY ON THE 
  NORTH/SOUTH ROADS WHERE STRONG CROSSWINDS WILL OCCUR. 
  BLOWING DUST MAY ALSO REDUCE VISIBILITIES TO LESS THAN A 
  QUARTER MILE NEAR DRY LAKE BEDS. BOATERS SHOULD BE 
  ESPECIALLY AWARE OF THESE STRONG WINDS AS VERY ROUGH WATER 
  IS EXPECTED TODAY ON THE AREA LAKES. 

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.

DRIVERS OF MOTORCYLES...VANS...CAMPERS...TRAILERS...AND ANY HIGH-
PROFILE VEHICLES PLANNING TO TRAVEL IN THE WARNING AREA ON THURSDAY
SHOULD BE PREPARED TO ENCOUNTER STRONG WINDS. CONTINUE TO MONITOR
FORECASTS FOR THE LATEST INFORMATION.

&&

$$

AZZ002-CAZ527-080000-
/O.CON.KVEF.WI.Y.0023.110407T2100Z-110408T0700Z/
LAKE HAVASU AND FORT MOHAVE-SAN BERNARDINO COUNTY-
UPPER COLORADO RIVER VALLEY-
INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK...
NEEDLES
854 AM PDT THU APR 7 2011 /854 AM MST THU APR 7 2011/

...WIND ADVISORY REMAINS IN EFFECT FROM 2 PM PDT /2 PM MST/ THIS
AFTERNOON TO MIDNIGHT PDT /MIDNIGHT MST/ TONIGHT...

A WIND ADVISORY REMAINS IN EFFECT FROM 2 PM PDT /2 PM MST/ THIS
AFTERNOON TO MIDNIGHT PDT /MIDNIGHT MST/ TONIGHT FOR LAKE HAVASU
AND FORT MOHAVE AND SAN BERNARDINO COUNTY UPPER COLORADO RIVER VALLEY.

* WINDS: SOUTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS TO AROUND 45 
  MPH. 

* TIMING: THE STRONGEST WINDS ARE EXPECTED FROM MID AFTERNOON 
  THROUGH THIS EVENING BEFORE DECREASING BY MIDNIGHT.

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

* IMPACTS: STRONG WINDS WILL MAKE TRAVEL DIFFICULT ON MANY 
  ROADS AROUND THE REGION...ESPECIALLY ON THE NORTH/SOUTH 
  ROADS WHERE STRONG CROSSWINDS WILL OCCUR.

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. AREA BOATERS ARE
URGED TO USE CAUTION AS THE LAKES WILL LIKE BE ROUGH.

DRIVERS OF MOTORCYLES...VANS...CAMPERS...TRAILERS...AND ANY HIGH-
PROFILE VEHICLES PLANNING TO TRAVEL IN THE WATCH AREA THURSDAY
SHOULD BE ALERT FOR THESE WINDS. CONTINUE TO MONITOR FORECASTS FOR
THE LATEST INFORMATION.

&&

$$
561 
WWUS75 KVEF 072246
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
346 PM PDT THU APR 7 2011

.A COLD LATE SEASON STORM SYSTEM WILL CONTINUE TO BRING VERY STRONG
AND GUSTY WINDS TO THE SOUTHERN GREAT BASIN AND MOJAVE DESERT THROUGH
THIS EVENING.

CAZ522>525-NVZ014-017-019-020-022-080700-
/O.CON.KVEF.HW.W.0010.000000T0000Z-110408T0700Z/
DEATH VALLEY NATIONAL PARK-WESTERN MOJAVE DESERT-
EASTERN MOJAVE DESERT-MORONGO BASIN-
ESMERALDA AND CENTRAL NYE COUNTY-
WESTERN CLARK AND SOUTHERN NYE COUNTY-SPRING MOUNTAINS-
RED ROCK CANYON-LAS VEGAS VALLEY-SOUTHERN CLARK COUNTY-
INCLUDING...FURNACE CREEK...SHOSHONE...BARSTOW...
DAGGETT...FORT IRWIN...BAKER...MOUNTAIN PASS...MITCHELL CAVERNS...
MORONGO VALLEY...YUCCA VALLEY...TWENTYNINE PALMS...BEATTY...
GOLDFIELD...SILVER PEAK...DYER...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...
PRIMM...SEARCHLIGHT...CAL-NEV-ARI
346 PM PDT THU APR 7 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT FOR
PORTIONS OF SOUTHEAST CALIFORNIA AND SOUTHERN NEVADA...WHICH IS IN
EFFECT UNTIL MIDNIGHT PDT TONIGHT..

* WINDS: SOUTHWEST WINDS OF 25 TO 40 MPH WITH GUSTS TO AROUND 65 
  MPH. 

* TIMING: THE STRONGEST WINDS ARE EXPECTED THROUGH THE EARLY
  EVENING HOURS...BEFORE DIMINISHING LATE THIS EVENING.

* LOCATIONS: INCLUDING LAS VEGAS...YUCCA VALLEY...BAKER...
  MOUNTAIN PASS...PAHRUMP...DEATH VALLEY NATIONAL PARK...
  INTERSTATES 15 AND 40 AND OTHER ROADS AND HIGHWAYS ACROSS THE
  AREA.

* IMPACTS: STRONG WINDS WILL MAKE TRAVEL DIFFICULT ON MANY 
  ROADS AROUND THE REGION...ESPECIALLY ON THE NORTH/SOUTH 
  ROADS WHERE STRONG CROSSWINDS WILL OCCUR. BLOWING DUST WILL 
  LIKELY REDUCE VISIBILITIES TO LESS THAN A QUARTER MILE NEAR 
  DRY LAKE BEDS. 

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.

DRIVERS OF MOTORCYLES...VANS...CAMPERS...TRAILERS...AND ANY HIGH-
PROFILE VEHICLES PLANNING TO TRAVEL IN THE WARNING AREA ON THURSDAY
SHOULD BE PREPARED TO ENCOUNTER STRONG WINDS. CONTINUE TO MONITOR
FORECASTS FOR THE LATEST INFORMATION.

&&

$$

AZZ001-003-036-CAZ526-NVZ015-016-018-021-080700-
/O.CON.KVEF.HW.W.0009.000000T0000Z-110408T0700Z/
NORTHWEST PLATEAU-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-CADIZ BASIN-LINCOLN COUNTY-
NORTHEAST CLARK COUNTY-SHEEP RANGE-
INCLUDING...COLORADO CITY...
PIPE SPRING NATIONAL MONUMENT...TUWEEP...MT TRUMBULL...KINGMAN...
GOLDEN VALLEY...DOLAN SPRINGS...VALENTINE...WIKIEUP...YUCCA...
BULLHEAD CITY...MOHAVE VALLEY...VIDAL JUNCTION...CALIENTE...
PIOCHE...PANACA...HIKO...ALAMO...RACHEL...MESQUITE...OVERTON...
MOAPA...HOOVER DAM...LAUGHLIN
346 PM PDT THU APR 7 2011 /346 PM MST THU APR 7 2011/

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT /MIDNIGHT
MST/ TONIGHT...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT /MIDNIGHT
MST/ TONIGHT FOR PORTIONS OF SOUTHEAST CALIFORNIA...SOUTHERN NEVADA
AND NORTHWEST ARIZONA.

* WINDS: SOUTHWEST WINDS OF 25 TO 40 MPH WITH GUSTS TO AROUND 65 
  MPH. 

* TIMING: THE STRONGEST WINDS ARE EXPECTED THROUGH THE EARLY
  EVENING HOURS...BEFORE DIMINISHING LATE THIS EVENING.

* LOCATIONS: YUCCA VALLEY...MESQUITE...CALIENTE...LAKE MEAD 
  NATIONAL RECREATION AREA...COLORADO CITY...KINGMAN...NEEDLES 
  INTERSTATES 15 AND 40 AND OTHER ROADS AND HIGHWAYS ACROSS 
  THE AREA.

* IMPACTS: STRONG WINDS WILL MAKE TRAVEL DIFFICULT ON MANY 
  ROADS AND HIGHWAYS AROUND THE REGION...ESPECIALLY ON THE 
  NORTH/SOUTH ROADS WHERE STRONG CROSSWINDS WILL OCCUR. 
  BLOWING DUST MAY ALSO REDUCE VISIBILITIES TO LESS THAN A 
  QUARTER MILE NEAR DRY LAKE BEDS. BOATERS SHOULD BE 
  ESPECIALLY AWARE OF THESE STRONG WINDS AS VERY ROUGH WATER 
  IS EXPECTED TODAY ON THE AREA LAKES. 

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.

DRIVERS OF MOTORCYLES...VANS...CAMPERS...TRAILERS...AND ANY HIGH-
PROFILE VEHICLES PLANNING TO TRAVEL IN THE WARNING AREA ON THURSDAY
SHOULD BE PREPARED TO ENCOUNTER STRONG WINDS. CONTINUE TO MONITOR
FORECASTS FOR THE LATEST INFORMATION.

&&

$$

AZZ002-CAZ527-080700-
/O.CON.KVEF.WI.Y.0023.000000T0000Z-110408T0700Z/
LAKE HAVASU AND FORT MOHAVE-SAN BERNARDINO COUNTY-
UPPER COLORADO RIVER VALLEY-
INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK...
NEEDLES
346 PM PDT THU APR 7 2011 /346 PM MST THU APR 7 2011/

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT PDT /MIDNIGHT
MST/ TONIGHT...

A WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT PDT /MIDNIGHT MST/
TONIGHT FOR LAKE HAVASU AND FORT MOHAVE AND SAN BERNARDINO COUNTY
UPPER COLORADO RIVER VALLEY.

* WINDS: SOUTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS TO AROUND 45 
  MPH. 

* TIMING: THE STRONGEST WINDS ARE EXPECTED THROUGH THE EARLY
  EVENING HOURS...BEFORE DIMINISHING LATE THIS EVENING.

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

* IMPACTS: STRONG WINDS WILL MAKE TRAVEL DIFFICULT ON MANY 
  ROADS AROUND THE REGION...ESPECIALLY ON THE NORTH/SOUTH 
  ROADS WHERE STRONG CROSSWINDS WILL OCCUR.

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. AREA BOATERS ARE
URGED TO USE CAUTION AS THE LAKES WILL LIKE BE ROUGH.

DRIVERS OF MOTORCYLES...VANS...CAMPERS...TRAILERS...AND ANY HIGH-
PROFILE VEHICLES PLANNING TO TRAVEL IN THE WATCH AREA THURSDAY
SHOULD BE ALERT FOR THESE WINDS. CONTINUE TO MONITOR FORECASTS FOR
THE LATEST INFORMATION.

&&

$$
032 
WWUS75 KVEF 080548
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1048 PM PDT THU APR 7 2011

CAZ522>525-NVZ014-017-019-020-022-080700-
/O.CAN.KVEF.HW.W.0010.000000T0000Z-110408T0700Z/
DEATH VALLEY NATIONAL PARK-WESTERN MOJAVE DESERT-
EASTERN MOJAVE DESERT-MORONGO BASIN-
ESMERALDA AND CENTRAL NYE COUNTY-
WESTERN CLARK AND SOUTHERN NYE COUNTY-SPRING MOUNTAINS-
RED ROCK CANYON-LAS VEGAS VALLEY-SOUTHERN CLARK COUNTY-
1048 PM PDT THU APR 7 2011

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS CANCELLED THE HIGH
WIND WARNING FOR PORTIONS OF SOUTHEAST CALIFORNIA AND SOUTHERN
NEVADA. 

WINDS DECREASED THROUGHOUT THE EVENING AND WILL CONTINUE TO
DECREASE OVERNIGHT. ISOLATED GUSTS AROUND 40 MPH WILL BE POSSIBLE
UNTIL MIDNIGHT.

$$

AZZ001-003-036-CAZ526-NVZ015-016-018-021-080700-
/O.CAN.KVEF.HW.W.0009.000000T0000Z-110408T0700Z/
NORTHWEST PLATEAU-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-CADIZ BASIN-LINCOLN COUNTY-
NORTHEAST CLARK COUNTY-SHEEP RANGE-
1048 PM PDT THU APR 7 2011 /1048 PM MST THU APR 7 2011/

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS CANCELLED THE HIGH
WIND WARNING FOR PORTIONS OF NORTHWEST ARIZONA AND SOUTHERN NEVADA
AND SOUTHEAST CALIFORNIA.

WINDS DECREASED THROUGHOUT THE EVENING AND WILL CONTINUE TO
DECREASE OVERNIGHT. ISOLATED GUSTS AROUND 40 MPH WILL BE POSSIBLE
UNTIL MIDNIGHT.

$$

AZZ002-CAZ527-080700-
/O.CAN.KVEF.WI.Y.0023.000000T0000Z-110408T0700Z/
LAKE HAVASU AND FORT MOHAVE-SAN BERNARDINO COUNTY-
UPPER COLORADO RIVER VALLEY-
1048 PM PDT THU APR 7 2011 /1048 PM MST THU APR 7 2011/

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS CANCELLED THE WIND
ADVISORY FOR THE COLORADO RIVER VALLEY.

WINDS DECREASED THROUGHOUT THE EVENING AND WILL CONTINUE TO
DECREASE OVERNIGHT. ISOLATED GUSTS AROUND 30 MPH WILL BE POSSIBLE
UNTIL MIDNIGHT.

$$

What forecasters said that day

The local office's own words before this high wind warning 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 high wind warning went out at Apr 7, 2:50 AM PDT, 3 hours 16 minutes earlier.

Area forecast discussion, Apr 7, 2:50 AM PDT, 3 hours 16 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
250 AM PDT THU APR 8 2011

.SYNOPSIS...A VERY STRONG PACIFIC STORM WILL MOVE INTO THE REGION
TODAY AND THEN SLOWLY SHIFT EAST THROUGH SATURDAY. THIS WILL RESULT
IN VERY STRONG WINDS ACROSS MUCH OF THE AREA TODAY WITH SCATTERED
SHOWERS MAINLY OVER THE SOUTHERN SIERRA TODAY AND THEN ACROSS
SOUTHERN NEVADA AND NORTHWEST ARIZONA ON FRIDAY WITH MUCH COLDER
TEMPERATURES ACROSS THE REGION THROUGH SATURDAY. IMPROVING
CONDITIONS WILL BE SEEN LATE SATURDAY AND INTO THE FIRST OF NEXT
WEEK.
&&

.SHORT TERM...TODAY THROUGH SATURDAY...CURRENT FORECAST REMAINS ON
TRACK AND ONLY NEEDED TO DO MINOR TWEAKING. WITH THAT SAID HOWEVER
WILL NEED TO FINE TUNE CURRENT WATCHES/WARNINGS/ADVISORIES
THROUGHOUT THE DAY.

SOUTHERN LOW WHICH TRANSITIONED OVER THE CWA LATE WEDNESDAY HAS
SHIFTED TO THE EAST WITH A RELATIVE DRY SLOT OVER MUCH OF THE CWA AS
OF 2 AM. HOWEVER THIS TO BE SHORT LIVED AS A MAJOR PACIFIC STORM
STILL ON TRACK TO MOVE ACROSS THE CWA DURING THE SHORT TERM. INITIAL
IMPACT HAS BEGUN IN THE SIERRA WITH DOWNSLOPE WINDS BEING REPORTED
IN THE OWENS VALLEY/EAST SLOPES OF THE SOUTHERN SIERRA WITH THE PEAK
WIND SO FAR BEING 95 MPH. AS THE STORM CONTINUES DOWN THE COAST
TODAY...DOWNSLOPE TO END OVER INYO COUNTY EARLY THIS MORNING...BUT
THEN PRESSURE GRADIENTS/FLOW ALOFT TO CREATE VERY STRONG WINDS
ACROSS MUCH OF THE CWA DURING THE DAY TODAY. WIDESPREAD HIGH WIND
WARNING/ADVISORIES LOOK GOOD AS GUSTS TO OVER 60 MPH WILL BE SEEN IN
MANY PLACES DURING THE DAY TODAY...BEFORE DECREASING THIS EVENING.
AS THE WINDS DECREASE THE MAIN FOCUS OF THIS SYSTEM WILL THEN BE
PRECIPITATION AND COLDER TEMPERATURES.

AS THE STORM SHIFTS SOUTH DURING THE DAY TODAY AND AS
MENTIONED...THE DOWNSLOPE WINDS END OVER THE SOUTHERN SIERRA...
PRECIPITATION WILL BEGIN TO MOVE INTO THE SOUTHERN SIERRA EARLY THIS
MORNING AND THEN CONTINUE INTO THE EARLY EVENING AS THE CENTER OF
THE LOW SITES OVER NORTH CENTRAL CALIFORNIA BY 00Z FRIDAY. THE WEST
SLOPES OF THE SOUTHERN SIERRA WILL INTERCEPT THE MAJORITY OF THE
INITIAL PRECIPITATION...BUT ENOUGH MOISTURE TO MOVE OVER THE CREST
TO ALLOW FOR ADVISORY LEVEL ACCUMULATIONS DURING THE DAY TODAY.
MOISTURE AND DYNAMICS THEN MOVE INTO THE REST OF THE CWA TONIGHT AND
FRIDAY WITH THE BEST AREA FOR PRECIPITATION BEING OVER MOHAVE COUNTY
ON FRIDAY INTO FRIDAY NIGHT. CURRENT WINTER STORM WATCH STILL LOOKS
GOOD FOR THIS AREA FOR THIS TIME PERIOD. HOWEVER CURRENT GFS SHOWS
THAT A SECONDARY BAND OF PRECIPITATION MAY PUSH INTO MOHAVE COUNTY
ON SATURDAY AS THE LOW CENTER MOVES ACROSS SOUTHERN NEVADA AND INTO
ARIZONA BY 00Z SUNDAY AND WILL NEED TO MONITOR THIS IN LATER
PACKAGES.

AS THE LOW SHIFTS OVER THE CWA...COLD AIR TO MOVE OVER THE REGION
WITH DAYTIME TEMPERATURES DROPPING TO WELL BELOW NORMAL...10-15
DEGREES BELOW NORMAL...ON FRIDAY WITH LITTLE RECOVERY EXPECTED ON
SATURDAY.

LONG TERM...SATURDAY EVENING THROUGH NEXT WEEK. THE WEEKEND STORM
SYSTEM WILL EXIT TO THE EAST ON SATURDAY AFTERNOON...LEAVING ONLY
SLIGHT CHANCE FOR PRECIP SATURDAY NIGHT ACROSS PORTIONS OF EASTERN
LINCOLN AND MOHAVE COUNTIES. SHORTWAVE RIDGING WILL THEN BUILD
ACROSS THE DESERT SOUTHWEST SUNDAY WHICH WILL RESULT IN TEMPERATURES
MAKING A STRONG REBOUND...WITH VALUES NEAR NORMAL BY MONDAY. A
SHORTWAVE TROUGH IS THEN PROGGED TO SKIM ACROSS NORTHERN ZONES LATE
MONDAY AND INTO TUESDAY...BUT EXPECT MOST IF NOT ALL OF THE
ASSOCIATED PRECIP TO REMAIN NORTH OF THE FORECAST REGION. WEDNESDAY
THROUGH THE END OF NEXT WEEK...DRY NORTHWESTERLY FLOW WILL BE IN
PLACE...SO EXPECT TEMPERATURES NEAR CLIMO NORMS AND MINIMAL CLOUD
COVERAGE.
&&

.AVIATION...FOR MCCARRAN...A VERY STRONG PACIFIC STORM WILL IMPACT
THE REGION TODAY WITH THE MOST SIGNIFICANT IMPACT BEING VERY STRONG
SURFACE WINDS. WIND GUSTS AROUND 50KTS WILL BE POSSIBLE BY LATE THIS
MORNING...AND DO NOT PLAN ON ANY CHANGES TO THE AWW AT THIS TIME.
WINDS WILL DECREASE SOMEWHAT IN THE EVENING...BUT OVERALL WINDS WILL
REMAIN STRONG THROUGH FRIDAY AFTERNOON.

FOR THE REST OF SOUTHERN NEVADA...NORTHWEST ARIZONA...AND SOUTHEAST
CALIFORNIA...A STRONG PACIFIC STORM WILL MOVE ACROSS THE REGION
TODAY AND RESULT IN VERY STRONG SURFACE WINDS WITH WIDESPREAD GUSTS
THIS AFTERNOON OVER 50KTS. POOR VISIBILITY DUE TO BLOWING DUST/SAND
AT AIRFIELDS WILL BE LIKELY AT THE SURFACE AS WELL AS WIDESPREAD LOW
LEVEL MECHANICAL TURBULENCE UP TO 20KFT MSL. THE MAIN STORM WILL
MOVE ACROSS THE REGION FRIDAY AND SATURDAY AND RESULT IN SCATTERED
SHOWERS/LOWERED CEILINGS WITH THE MAIN IMPACT BEING OVER SAN
BERNARDINO/CLARK/MOHAVE COUNTIES THROUGH SATURDAY.
&&

.CLIMATE...ANOMALOUSLY COLD LOW PRESSURE SYSTEM WILL BRING COLDER
TEMPERATURES TO THE AREA FRIDAY. IN FACT...FORECAST HIGH
TEMPERATURES FOR FRIDAY APRIL 8 ARE ALL COOLER THAN CURRENT RECORDS.
CURRENT FORECAST FOR FRIDAY AND RECORDS FOLLOW.

LOCATION           FORECAST HIGH FRIDAY         CURRENT RECORD
                                            LOW MAXIMUM TEMPERATURE

LAS VEGAS                   57 DEG                56/1965
BISHOP                      44 DEG                50/1965
BARSTOW-DAGGETT             55 DEG                56/1978
DEATH VALLEY N.P            66 DEG                77/1955
NEEDLES                     62 DEG                64/1965
KINGMAN                     48 DEG                51/1978
MOUNT CHARLESTON            34 DEG                39/2001
&&

.VEF WATCHES/WARNINGS/ADVISORIES...
NV...HIGH WIND WARNING UNTIL MIDNIGHT PDT TONIGHT FOR NVZ014-017-019-
     020-022.
     HIGH WIND WARNING FROM 11 AM THIS MORNING TO MIDNIGHT PDT
     TONIGHT FOR NVZ015-016-018-021.
AZ...HIGH WIND WARNING FROM 11 AM THIS MORNING TO MIDNIGHT MST
     TONIGHT FOR AZZ001-003-036.
     WIND ADVISORY FROM 2 PM THIS AFTERNOON TO MIDNIGHT MST TONIGHT
     FOR AZZ002.
     WINTER STORM WATCH FROM LATE TONIGHT THROUGH LATE FRIDAY NIGHT
     FOR AZZ001-003.
CA...HIGH WIND WARNING UNTIL MIDNIGHT PDT TONIGHT FOR CAZ522>525.
     HIGH WIND WARNING UNTIL 6 AM PDT EARLY THIS MORNING FOR
     CAZ519>521.
     WINTER WEATHER ADVISORY FROM 6 AM THIS MORNING TO 9 PM PDT THIS
     EVENING FOR CAZ519.
     HIGH WIND WARNING FROM 11 AM THIS MORNING TO MIDNIGHT PDT
     TONIGHT FOR CAZ526.
     WIND ADVISORY FROM 2 PM THIS AFTERNOON TO MIDNIGHT PDT TONIGHT
     FOR CAZ527.
&&

JENSEN/KENNEDY

HTTP://WEATHER.GOV/LASVEGAS
Hazardous weather outlook, Apr 7, 5:18 AM PDT, 48 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAS VEGAS NV
518 AM PDT THU APR 7 2011

AZZ001>003-036-CAZ519>527-NVZ014>022-080000-
NORTHWEST PLATEAU-LOWER COLORADO RIVER VALLEY-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-EASTERN SIERRA SLOPES-
OWENS VALLEY-WHITE MOUNTAINS OF INYO COUNTY-
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-
518 AM PDT THU APR 7 2011 /518 AM MST THU APR 7 2011/

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

.DAY ONE...TODAY AND TONIGHT

A VERY STRONG PACIFIC STORM WILL MOVE INTO NORTHERN CALIFORNIA BY
THIS EVENING RESULTING IN LOCALLY HEAVY SNOWFALL OVER THE EASTERN
SIERRA SLOPES TODAY AND WIDESPREAD STRONG AND GUSTY WINDS TO OVER
60 MPH ACROSS PORTIONS OF SOUTHEAST CALIFORNIA...SOUTHERN NEVADA
AND NORTHWEST ARIZONA. THESE WINDS MAY CREATE AREAS OF BLOWING
SAND AND DUST WHICH MAY RAPIDLY LOWER VISIBILITIES.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THE STRONG STORM WILL CONTINUE TO DROP SOUTH OVER CALIFORNIA ON
FRIDAY BEFORE SHIFTING EAST ACROSS THE AREA ON SATURDAY. THIS WILL
RESULT IN SCATTERED RAIN AND SNOW SHOWERS ACROSS MUCH OF THE
REGION WITH THE HEAVIEST SNOWFALL EXPECTED OVER MOHAVE COUNTY FROM
FRIDAY MORNING THROUGH LATE FRIDAY NIGHT...WITH A WINTER STORM
WATCH CURRENTLY IN AFFECT. IMPROVING CONDITIONS WILL BE SEEN LATE
SATURDAY INTO SUNDAY. NO HAZARDOUS WEATHER IS EXPECTED SUNDAY
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.

In the hours before

Local storm report, Apr 7, 4:16 AM PDT, 1 hour 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
416 AM PDT THU APR 07 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1220 AM     NON-TSTM WND GST 4 SW INDEPENDENCE       36.75N 118.25W
04/07/2011  M87.00 MPH       INYO               CA   MESONET

            SIERRA ROTOR SITE 7...ELEVATION 5167.

1220 AM     NON-TSTM WND GST 7 W BISHOP              37.37N 118.52W
04/07/2011  M53.00 MPH       INYO               CA   TRAINED SPOTTER

            SPOTTER REPORT. POSSIBLE TREES DOWN IN BISHOP BLOCKING
            ROADWAYS.

1220 AM     NON-TSTM WND GST 3 WSW INDEPENDENCE      36.78N 118.24W
04/07/2011  E75.00 MPH       INYO               CA   MESONET

            SIERRA ROTORS SITE 2...ELEVATION 4862.

1220 AM     NON-TSTM WND GST 1 SSW INDEPENDENCE      36.79N 118.21W
04/07/2011  E55.00 MPH       INYO               CA   MESONET

            SIERRA ROTORS SITE 3...ELEVATION 4724.

1240 AM     NON-TSTM WND GST 5 WSW INDEPENDENCE      36.77N 118.28W
04/07/2011  M95.00 MPH       INYO               CA   MESONET

            SIERRA ROTOR SITE 1...ELEVATION 5697 FEET.

0342 AM     NON-TSTM WND GST 4 NW INDEPENDENCE       36.84N 118.26W
04/07/2011  M62.00 MPH       INYO               CA   MESONET

            RAWS SITE LOCATED AT AN ELEVATION OF 4900 FEET.

&&

LJENSEN
Local storm report, Apr 7, 4:59 AM PDT, 1 hour 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
459 AM PDT THU APR 07 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0230 AM     NON-TSTM WND DMG BISHOP                  37.37N 118.40W
04/07/2011                   INYO               CA   DEPT OF HIGHWAYS

            FROM THE CHP TRAFFIC INCIDENT INFORMATION PAGE. PINE
            CREEK AND HIGHWAY 395. TREE IN THE ROADWAY. ROAD CLEARED
            AT 251 AM.

&&

LJENSEN

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 7, 2:47 PM PDTWinter Weather AdvisoryVEFInyo42 hr

Nearby

High Wind Warnings in Nevada, 2011High Wind Warnings in California, 2011Every high wind 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.