Alert archive / California / High Wind Warnings in 2009

High Wind Warning 5, NWS Las Vegas, NV

April 2, 2009Inyo County, California

NWS Las Vegas, NV issued this high wind warning at Apr 2, 2009, 5:01 PM PDT for Inyo County, California. It was in force for 17 hr. 1 report 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 2, 2009, 5:01 PM PDT (00:01 UTC)
Expired
Apr 3, 2009, 10:21 AM PDT
In force
17 hr
Issued by
NWS Las Vegas, NV

County Inyo County, CA

What was reported inside it

TimeReportWhereRemark
Apr 2, 5:42 PM PDTNON-TSTM WND GST 735 Nw Independence, CATHIS GUST WAS RECORDED AT THE OAK CREEK RAWS SITE.

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

The nearest sounding before it

Mercury/Desert R, NV (KDRA), launched 00:00Z, 0.0 hours before the alert went out and 127 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, Mercury/Desert R, NV at 00:00Z on 2009-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 joules per kilogram.LCLLFCEL10008507005003002001001 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, Mercury/Desert R, NV at 00:00Z on 2009-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.1939587897117Sfc1 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
3 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
3131 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
233 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WWUS75 KVEF 030001
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
501 PM PDT THU APR 2 2009

.A LOW PRESSURE SYSTEM WILL DIVE DOWN THROUGH THE PACIFIC
NORTHWEST AND ACROSS THE GREAT BASIN TONIGHT AND FRIDAY. THIS
WILL RESULT IN STRONG WINDS AROUND THE SOUTHERN SIERRA AND SPRING
MOUNTAINS THIS EVENING. A STRONGER SWATH OF WINDS WILL CROSS THE
MOJAVE DESERT LEADING TO MORE WIDESPREAD HIGH WINDS ON FRIDAY.

CAZ519>521-030700-
/O.UPG.KVEF.WI.Y.0015.000000T0000Z-090403T1500Z/
/O.NEW.KVEF.HW.W.0005.090403T0001Z-090403T1500Z/
EASTERN SIERRA SLOPES-OWENS VALLEY-WHITE MOUNTAINS OF INYO COUNTY-
INCLUDING THE CITIES OF...ASPENDELL...MT WHITNEY...BISHOP...
INDEPENDENCE...LONE PINE
501 PM PDT THU APR 2 2009

...HIGH WIND WARNING IN EFFECT UNTIL 8 AM PDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A HIGH WIND
WARNING FOR THE OWENS VALLEY AND EAST SLOPES OF THE SOUTHERN
SIERRA AND WHITE MOUNTAINS...WHICH IS IN EFFECT UNTIL 8 AM PDT
FRIDAY. THIS REPLACES THE WIND ADVISORY PREVIOUSLY IN EFFECT.

WEST WINDS GUSTING UP TO 65 MPH WERE OBSERVED BLOWING ACROSS
HIGHWAY 395 NEAR INDEPENDENCE AT 310 PM PDT. THESE BURSTS OF HIGH
WINDS CAN BE EXPECTED THROUGH THIS EVENING...ESPECIALLY ALONG THE
SOUTHERN HALF OF THE OWENS VALLEY FROM LONE PINE TO PEARSONVILLE.
THE PEAK PERIOD FOR STRONG WEST WINDS WILL BE THROUGH 9 PM THIS
EVENING. WINDS WILL THEN RESTRENGTHEN LATE TONIGHT THROUGH EARLY
FRIDAY MORNING. WIND GUSTS AROUND 65 MPH ARE LIKELY IN THE OWENS
VALLEY AND GUSTS UP TO 80 MPH ALONG THE EAST SLOPES.

WINDS THIS STRONG WILL CREATE HAZARDOUS DRIVING CONDITIONS...
ESPECIALLY FOR HIGH PROFILE VEHICLES ON NORTH SOUTH ROADWAYS. USE
EXTRA CAUTION.

$$

CAZ523-030700-
/O.CON.KVEF.WI.Y.0015.000000T0000Z-090403T1700Z/
/O.CON.KVEF.HW.A.0005.090403T1700Z-090404T0300Z/
WESTERN MOJAVE DESERT-
INCLUDING THE CITIES OF...BARSTOW...DAGGETT...FT IRWIN
501 PM PDT THU APR 2 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT FRIDAY...
...HIGH WIND WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT FRIDAY FOR THE
WESTERN MOJAVE DESERT. A HIGH WIND WATCH REMAINS IN EFFECT FROM
FRIDAY MORNING THROUGH FRIDAY EVENING.

SOUTHWEST WINDS HAVE DEVELOPED ACROSS NORTHWEST SAN BERNARDINO
COUNTY THIS AFTERNOON WITH GUSTS UP TO 45 MPH OCCURRING. THESE
STRONG WINDS WILL PERSIST THROUGH TONIGHT AND THEN INCREASE ON
FRIDAY. WINDS GUSTS ON FRIDAY MAY REACH 60 MPH OR GREATER BY LATE
IN THE MORNING. AREAS OF BLOWING DUST AND SAND CAN BE EXPECTED
WITH THESE STRONG WINDS.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES ON NORTH SOUTH ROADWAYS. USE EXTRA CAUTION.

$$

NVZ018-019-030700-
/O.CON.KVEF.WI.Y.0015.000000T0000Z-090403T1500Z/
SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-
INCLUDING...THE TOWN OF MT CHARLESTON
501 PM PDT THU APR 2 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM PDT FRIDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM PDT FRIDAY FOR THE
SPRING MOUNTAINS...RED ROCK CANYON AND SHEEP RANGE.

WEST WINDS HAVE STARTED TO DEVELOP ACROSS THE SPRING MOUNTAINS
AND SHEEP RANGE. THE PEAK PERIOD FOR STRONG WINDS WILL BETWEEN
6 PM AND 2 AM FRIDAY. WEST WINDS OF 25 TO 35 MPH WITH GUSTS UP TO
50 MPH WILL OCCUR ALONG THE EASTERN SLOPES. LOCALIZED GUSTS UP TO
55 MPH MAY OCCUR AROUND THE RED ROCK CANYON AREA.

$$

AZZ001>003-036-CAZ524>527-NVZ021-022-030700-
/O.CON.KVEF.HW.A.0005.090403T1700Z-090404T0300Z/
NORTHWEST PLATEAU-LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-EASTERN MOJAVE DESERT-
MORONGO BASIN-CADIZ BASIN-SAN BERNARDINO COUNTY-
UPPER COLORADO RIVER VALLEY-SOUTHERN CLARK COUNTY-
INCLUDING THE CITIES OF...COLORADO CITY...
PIPE SPRING NATIONAL MONUMENT...TUWEEP...MT TRUMBULL...
WESTERN GRAND CANYON...LAKE HAVASU...TOPOCK...KINGMAN...
GOLDEN VALLEY...HUALAPAI RESERVATION...DOLAN SPRINGS...
VALENTINE...WIKIEUP...BAKER...MOJAVE NATIONAL PRESERVE...
MORONGO VALLEY...YUCCA VALLEY...JOSHUA TREE...TWENTYNINE PALMS...
NEEDLES...LAUGHLIN...BULLHEAD CITY...HOOVER DAM...PRIMM...JEAN...
SEARCHLIGHT...CAL-NEV-ARI
501 PM PDT THU APR 2 2009 /501 PM MST THU APR 2 2009/

...HIGH WIND WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING...

A HIGH WIND WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING FOR SOUTHERN CLARK COUNTY...EASTERN SAN BERNARDINO
COUNTY AND ALL OF MOHAVE COUNTY.

AS A COLD FRONT APPROACHES THE AREA FRIDAY STRONG WINDS WILL
OCCUR ACROSS THE MOJAVE DESERT. SOUTHWEST TO WEST WINDS WITH
GUSTS TO OVER 60 MPH ARE POSSIBLE. AREAS OF BLOWING SAND AND DUST
ARE LIKELY WITH THESE WINDS.

$$

NVZ014-030700-
/O.CON.KVEF.HW.A.0005.090403T1700Z-090404T0300Z/
ESMERALDA AND CENTRAL NYE COUNTY-
INCLUDING THE CITIES OF...BEATTY...GOLDFIELD...SILVER PEAK...DYER
501 PM PDT THU APR 2 2009

...HIGH WIND WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING...

A HIGH WIND WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING FOR ESMERALDA AND CENTRAL NYE COUNTIES.

STRONG NORTHWEST WINDS WILL DEVELOP FOLLOWING THE PASSAGE OF A
COLD FRONT FRIDAY. NORTHWEST WINDS WITH GUSTS TO OVER 60 MPH ARE
POSSIBLE. AREAS OF BLOWING SAND AND DUST ARE LIKELY WITH THESE
WINDS.

$$

JA
3 follow-up statements
000 
WWUS75 KVEF 030441
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
941 PM PDT THU APR 2 2009

.A LOW PRESSURE SYSTEM WILL DIVE ACROSS THE GREAT BASIN FRIDAY
BRINGING STRONG WINDS TO THE ENTIRE REGION.

CAZ523-031200-
/O.UPG.KVEF.HW.A.0005.090403T1700Z-090404T0300Z/
/O.NEW.KVEF.HW.W.0006.090403T1700Z-090404T0300Z/
/O.CON.KVEF.WI.Y.0015.000000T0000Z-090403T1700Z/
WESTERN MOJAVE DESERT-
INCLUDING THE CITIES OF...BARSTOW...DAGGETT...FT IRWIN
941 PM PDT THU APR 2 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT FRIDAY...
...HIGH WIND WARNING IN EFFECT FROM 10 AM TO 8 PM PDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A HIGH WIND
WARNING FOR THE WESTERN SAN BERNARDINO COUNTY DESERTS...WHICH IS
IN EFFECT FROM 10 AM TO 8 PM PDT FRIDAY. THIS REPLACES THE HIGH
WIND WATCH PREVIOUSLY IN EFFECT. A WIND ADVISORY REMAINS IN EFFECT
UNTIL 10 AM PDT FRIDAY FOR THE SAME AREA.

WEST WINDS GUSTING OVER 45 MPH WILL PERSIST THROUGH TONIGHT AND
THEN INCREASE ON FRIDAY. WEST TO NORTHWEST WIND GUSTS ON FRIDAY
WILL REACH 60 MPH OR GREATER DURING THE LATE MORNING AND
AFTERNOON. AREAS OF BLOWING DUST AND SAND CAN BE EXPECTED WITH
THESE STRONG WINDS BEFORE SPEEDS GRADUALLY DIMINISH FRIDAY EVENING.



$$

CAZ524>526-031200-
/O.UPG.KVEF.HW.A.0005.090403T1700Z-090404T0300Z/
/O.NEW.KVEF.HW.W.0006.090403T1700Z-090404T0300Z/
EASTERN MOJAVE DESERT-MORONGO BASIN-CADIZ BASIN-
INCLUDING THE CITIES OF...BAKER...MOJAVE NATIONAL PRESERVE...
MORONGO VALLEY...YUCCA VALLEY...JOSHUA TREE...TWENTYNINE PALMS
941 PM PDT THU APR 2 2009

...HIGH WIND WARNING IN EFFECT FROM 10 AM TO 8 PM PDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A HIGH WIND
WARNING FOR THE SAN BERNARDINO COUNTY DESERTS...WHICH IS IN EFFECT
FROM 10 AM TO 8 PM PDT FRIDAY. THIS REPLACES THE HIGH WIND WATCH
PREVIOUSLY IN EFFECT.

AS A COLD FRONT APPROACHES THE MOJAVE DESERT FRIDAY...WEST TO
NORTHWEST WINDS WILL GUST OVER 60 MPH DURING THE LATE MORNING AND
AFTERNOON. AREAS OF BLOWING SAND AND DUST ARE LIKELY WITH THESE
WINDS BEFORE SPEEDS GRADUALLY DIMINISH FRIDAY EVENING.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES ON NORTH SOUTH ROADWAYS. BLOWING DUST AND
SAND COULD REDUCE VISIBILITY TO NEAR ZERO AROUND FAVORABLE SPOTS
SUCH AS DRY LAKE BEDS. USE EXTRA CAUTION.

$$

NVZ014-031200-
/O.UPG.KVEF.HW.A.0005.090403T1700Z-090404T0300Z/
/O.NEW.KVEF.HW.W.0006.090403T1700Z-090404T0300Z/
ESMERALDA AND CENTRAL NYE COUNTY-
INCLUDING THE CITIES OF...BEATTY...GOLDFIELD...SILVER PEAK...DYER
941 PM PDT THU APR 2 2009

...HIGH WIND WARNING IN EFFECT FROM 10 AM TO 8 PM PDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A HIGH WIND
WARNING FOR ESMERALDA AND CENTRAL NYE COUNTY...WHICH IS IN EFFECT
FROM 10 AM TO 8 PM PDT FRIDAY. THIS REPLACES THE HIGH WIND WATCH
PREVIOUSLY IN EFFECT.

STRONG NORTHWEST WINDS WILL DEVELOP FOLLOWING THE PASSAGE OF A
COLD FRONT FRIDAY. NORTHWEST WINDS GUSTING TO OVER 60 MPH WILL
OCCUR DURING THE LATE MORNING AND AFTERNOON. AREAS OF BLOWING SAND
AND DUST ARE LIKELY WITH THESE WINDS BEFORE WIND SPEEDS GRADUALLY
DIMINISH FRIDAY EVENING.

$$

CAZ519>521-031200-
/O.NEW.KVEF.WI.Y.0016.090403T1800Z-090404T0300Z/
/O.EXT.KVEF.HW.W.0005.000000T0000Z-090403T1800Z/
EASTERN SIERRA SLOPES-OWENS VALLEY-WHITE MOUNTAINS OF INYO COUNTY-
INCLUDING THE CITIES OF...ASPENDELL...MT WHITNEY...BISHOP...
INDEPENDENCE...LONE PINE
941 PM PDT THU APR 2 2009

...HIGH WIND WARNING NOW IN EFFECT UNTIL 11 AM PDT FRIDAY...
...WIND ADVISORY IN EFFECT FROM 11 AM TO 8 PM PDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND
ADVISORY FOR THE OWENS VALLEY...EASTERN SIERRA SLOPES AND WHITE
MOUNTAINS...WHICH IS IN EFFECT FROM 11 AM TO 8 PM PDT FRIDAY. THE
HIGH WIND WARNING IS NOW IN EFFECT UNTIL 11 AM PDT FRIDAY FOR THE
SAME AREA.

THE POTENTIAL FOR STRONG DOWNSLOPE WINDS WILL TEMPORARILY DECREASE
LATE THIS EVENING BEFORE WEST WINDS RESTRENGTHEN LATE TONIGHT
THROUGH EARLY FRIDAY MORNING. WIND GUSTS AROUND 65 MPH ARE AGAIN
LIKELY IN THE OWENS VALLEY AND GUSTS UP TO 80 MPH ALONG THE EAST
SLOPES AS FAVORABLE DOWNSLOPE CONDITIONS REDEVELOP. NORTH WINDS
GUSTING UP TO 50 MPH WILL THEN SPREAD ACROSS THE AREA LATE FRIDAY
MORNING BEHIND A COLD FRONT. THESE WINDS WILL GRADUALLY ABATE
FRIDAY EVENING.

STRONG WEST WINDS WILL CREATE HAZARDOUS DRIVING CONDITIONS...
ESPECIALLY FOR HIGH PROFILE VEHICLES ON NORTH SOUTH ROADWAYS. USE
EXTRA CAUTION.

$$

AZZ001>003-036-CAZ527-NVZ021-022-031200-
/O.UPG.KVEF.HW.A.0005.090403T1700Z-090404T0300Z/
/O.EXB.KVEF.WI.Y.0015.090403T1700Z-090404T0300Z/
NORTHWEST PLATEAU-LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-SAN BERNARDINO COUNTY-
UPPER COLORADO RIVER VALLEY-SOUTHERN CLARK COUNTY-
INCLUDING THE CITIES OF...COLORADO CITY...
PIPE SPRING NATIONAL MONUMENT...TUWEEP...MT TRUMBULL...
WESTERN GRAND CANYON...LAKE HAVASU...TOPOCK...KINGMAN...
GOLDEN VALLEY...HUALAPAI RESERVATION...DOLAN SPRINGS...
VALENTINE...WIKIEUP...NEEDLES...LAUGHLIN...BULLHEAD CITY...
HOOVER DAM...PRIMM...JEAN...SEARCHLIGHT...CAL-NEV-ARI
941 PM PDT THU APR 2 2009 /941 PM MST THU APR 2 2009/

...WIND ADVISORY IN EFFECT FROM 10 AM PDT /10 AM MST/ TO 8 PM PDT
/8 PM MST/ FRIDAY...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND
ADVISORY FOR SOUTHERN CLARK COUNTY...THE COLORADO RIVER VALLEY AND
MOHAVE COUNTY ARIZONA...WHICH IS IN EFFECT FROM 10 AM TO 8 PM
FRIDAY. THIS REPLACES THE HIGH WIND WATCH PREVIOUSLY IN EFFECT.

STRONG SOUTHWEST WINDS WILL DEVELOP LATE FRIDAY MORNING THEN
BECOME NORTHWEST IN THE AFTERNOON AS A COLD FRONT SWEEPS ACROSS
THE AREA. WINDS GUSTS BETWEEN 40 AND 50 MPH CAN BE EXPECTED BEFORE
WIND SPEEDS GRADUALLY DIMINISH FRIDAY EVENING. AREAS OF BLOWING
SAND AND DUST ARE LIKELY WITH THESE WINDS.

STRONG WINDS IN EXCESS OF 30 MPH WILL CREATE DANGEROUS BOATING
CONDITIONS ON AREA LAKES DURING THE ADVISORY PERIOD. THESE WINDS
WILL CREATE VERY CHOPPY WATERS AND GENERATE LARGE WAVES WHICH
COULD CAPSIZE OR SWAMP SMALL CRAFT. FOR YOUR PERSONAL
SAFETY...OPERATORS OF SMALL CRAFT ARE URGED TO POSTPONE THEIR
OUTINGS UNTIL THE WINDS SUBSIDE. IF YOU DO VENTURE OUT ONTO THE
LAKES...AVOID THE OPEN WATER AND STAY CLOSE TO SHORE OR IN
PROTECTED COVES AND INLETS.

$$

CAZ522-NVZ015>017-020-031200-
/O.EXB.KVEF.WI.Y.0015.090403T1700Z-090404T0300Z/
DEATH VALLEY NATIONAL PARK-LINCOLN COUNTY-NORTHEAST CLARK COUNTY-
WESTERN CLARK AND SOUTHERN NYE COUNTY-LAS VEGAS VALLEY-
INCLUDING THE CITIES OF...FURNACE CREEK...STOVEPIPE WELLS...
SHOSHONE...TECOPA...CALIENTE...PIOCHE...PANACA...HIKO...ALAMO...
RACHEL...MESQUITE...OVERTON...MOAPA...PAHRUMP...INDIAN SPRINGS...
DESERT ROCK...AMARGOSA VALLEY...LAS VEGAS...NORTH LAS VEGAS...
HENDERSON...BOULDER CITY
941 PM PDT THU APR 2 2009

...WIND ADVISORY IN EFFECT FROM 10 AM TO 8 PM PDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND
ADVISORY FOR SOUTHERN NEVADA AND DEATH VALLEY NATIONAL PARK...
WHICH IS IN EFFECT FROM 10 AM TO 8 PM PDT FRIDAY.

STRONG WEST TO NORTHWEST WINDS WILL DEVELOP ACROSS SOUTHERN NEVADA
AND NEARBY DEATH VALLEY NATIONAL PARK LATE FRIDAY MORNING THROUGH
FRIDAY AFTERNOON AS A COLD FRONT SWEEPS ACROSS THE AREA. GUSTS
BETWEEN 40 AND 50 MPH WILL OCCUR ACROSS MUCH OF THE AREA.AREAS OF
BLOWING DUST AND SAND CAN BE EXPECTED WITH THESE STRONG WINDS
BEFORE WIND SPEEDS GRADUALLY DIMINISH FRIDAY EVENING.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES ON NORTH SOUTH ROADWAYS. USE EXTRA CAUTION.

$$

NVZ018-019-031200-
/O.EXT.KVEF.WI.Y.0015.000000T0000Z-090404T0300Z/
SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-
INCLUDING...THE TOWN OF MT CHARLESTON
941 PM PDT THU APR 2 2009

...WIND ADVISORY NOW IN EFFECT UNTIL 8 PM PDT FRIDAY...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 8 PM PDT FRIDAY FOR THE
SPRING MOUNTAINS...RED ROCK CANYON AND THE SHEEP RANGE.

WEST TO NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS UP TO 55 MPH
CAN BE EXPECTED TONIGHT THROUGH FRIDAY AROUND THE RED ROCK CANYON
AREA. GUSTS UP TO 65 MPH WILL OCCUR AT ELEVATIONS ABOVE 7000 FEET
IN THE SPRING MOUNTAINS AND SHEEP RANGE...ESPECIALLY IN EXPOSED
AREAS AND ALONG EAST FACING SLOPES.

$$

JA
000 
WWUS75 KVEF 031049
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
349 AM PDT FRI APR 3 2009

.A LOW PRESSURE SYSTEM WILL DIVE ACROSS THE GREAT BASIN TODAY
BRINGING STRONG WINDS TO THE ENTIRE REGION.

CAZ523-031700-
/O.CON.KVEF.HW.W.0006.090403T1700Z-090404T0300Z/
/O.CON.KVEF.WI.Y.0015.000000T0000Z-090403T1700Z/
WESTERN MOJAVE DESERT-
INCLUDING THE CITIES OF...BARSTOW...DAGGETT...FT IRWIN
349 AM PDT FRI APR 3 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT THIS MORNING...
...HIGH WIND WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
8 PM PDT THIS EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT FOR NORTHWEST SAN BERNARDINO
COUNTY FROM 10 AM THIS MORNING TO 8 PM PDT THIS EVENING. A WIND
ADVISORY REMAINS IN EFFECT FOR THE SAME AREA UNTIL 10 AM PDT THIS
MORNING.

WEST WINDS GUSTING OVER 45 MPH WILL PERSIST THROUGH MID MORNING AND
THEN INCREASE LATER IN THE MORNING...WITH GUSTS OVER 60 MPH
EXPECTED DURING THE AFTERNOON. AREAS OF BLOWING DUST AND SAND CAN
BE EXPECTED WITH THESE STRONG WINDS BEFORE SPEEDS GRADUALLY
DIMINISH THIS EVENING.

$$

CAZ519>521-031700-
/O.CON.KVEF.HW.W.0005.000000T0000Z-090403T1800Z/
/O.CON.KVEF.WI.Y.0016.090403T1800Z-090404T0300Z/
EASTERN SIERRA SLOPES-OWENS VALLEY-WHITE MOUNTAINS OF INYO COUNTY-
INCLUDING THE CITIES OF...ASPENDELL...MT WHITNEY...BISHOP...
INDEPENDENCE...LONE PINE
349 AM PDT FRI APR 3 2009

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM PDT THIS
MORNING...
...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM PDT THIS EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT FOR THE EASTERN SIERRA
SLOPES...OWENS VALLEY...AND WHITE MOUNTAINS UNTIL 11 AM PDT THIS
MORNING. A WIND ADVISORY REMAINS IN EFFECT FOR THE SAME AREAS FROM
11 AM THIS MORNING TO 8 PM PDT THIS EVENING.

STRONG WEST WINDS WILL CONTINUE THIS MORNING...WITH GUSTS AROUND
65 MPH LIKELY IN THE OWENS VALLEY AND GUSTS UP TO 80 MPH ALONG
THE EASTERN SIERRA SLOPES. NORTH WINDS GUSTING UP TO 50 MPH WILL
THEN SPREAD ACROSS THE AREA LATER THIS MORNING BEHIND A COLD
FRONT. THESE WINDS WILL GRADUALLY ABATE THIS EVENING.

STRONG WINDS WILL CREATE HAZARDOUS DRIVING CONDITIONS...ESPECIALLY
FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

$$

CAZ524>526-031700-
/O.CON.KVEF.HW.W.0006.090403T1700Z-090404T0300Z/
EASTERN MOJAVE DESERT-MORONGO BASIN-CADIZ BASIN-
INCLUDING THE CITIES OF...BAKER...MOJAVE NATIONAL PRESERVE...
MORONGO VALLEY...YUCCA VALLEY...JOSHUA TREE...TWENTYNINE PALMS
349 AM PDT FRI APR 3 2009

...HIGH WIND WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
8 PM PDT THIS EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT FOR NORTHERN AND EASTERN SAN
BERNARDINO COUNTY FROM 10 AM THIS MORNING TO 8 PM PDT THIS
EVENING.

AS A COLD FRONT APPROACHES THE MOJAVE DESERT TODAY...WEST TO
NORTHWEST WINDS WILL GUST OVER 60 MPH DURING THE LATE MORNING AND
AFTERNOON. AREAS OF BLOWING SAND AND DUST ARE LIKELY WITH THESE
WINDS BEFORE SPEEDS GRADUALLY DIMINISH THIS EVENING.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES ON NORTH SOUTH ROADWAYS. BLOWING DUST AND
SAND COULD REDUCE VISIBILITY TO NEAR ZERO AROUND FAVORABLE SPOTS
SUCH AS DRY LAKE BEDS. USE EXTRA CAUTION.

$$

NVZ014-031700-
/O.CON.KVEF.HW.W.0006.090403T1700Z-090404T0300Z/
ESMERALDA AND CENTRAL NYE COUNTY-
INCLUDING THE CITIES OF...BEATTY...GOLDFIELD...SILVER PEAK...DYER
349 AM PDT FRI APR 3 2009

...HIGH WIND WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
8 PM PDT THIS EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT FOR ESMERALDA AND CENTRAL
NYE COUNTIES FROM 10 AM THIS MORNING TO 8 PM PDT THIS EVENING.

STRONG NORTHWEST WINDS WILL DEVELOP FOLLOWING THE PASSAGE OF A
COLD FRONT TODAY...WITH GUSTS OVER 60 MPH EXPECTED DURING THE
LATE MORNING AND AFTERNOON. AREAS OF BLOWING SAND AND DUST ARE
LIKELY WITH THESE WINDS BEFORE WIND SPEEDS GRADUALLY DIMINISH
THIS EVENING.

$$

NVZ018-019-031700-
/O.CON.KVEF.WI.Y.0015.000000T0000Z-090404T0300Z/
SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-
INCLUDING...THE TOWN OF MT CHARLESTON
349 AM PDT FRI APR 3 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FOR THE CLARK COUNTY MOUNTAINS
UNTIL 8 PM PDT THIS EVENING.

WEST TO NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS UP TO 55 MPH
CAN BE EXPECTED TODAY AROUND THE RED ROCK CANYON AREA. GUSTS UP
TO 65 MPH WILL OCCUR AT ELEVATIONS ABOVE 7000 FEET IN THE SPRING
MOUNTAINS AND SHEEP RANGE...ESPECIALLY IN EXPOSED AREAS AND ALONG
EAST FACING SLOPES.

$$

AZZ001>003-036-CAZ522-527-NVZ015>017-020>022-031700-
/O.CON.KVEF.WI.Y.0015.090403T1700Z-090404T0300Z/
NORTHWEST PLATEAU-LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK-
SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-LINCOLN COUNTY-
NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY-
LAS VEGAS VALLEY-SOUTHERN CLARK COUNTY-
INCLUDING THE CITIES OF...COLORADO CITY...
PIPE SPRING NATIONAL MONUMENT...TUWEEP...MT TRUMBULL...
WESTERN GRAND CANYON...LAKE HAVASU...TOPOCK...KINGMAN...
GOLDEN VALLEY...HUALAPAI RESERVATION...DOLAN SPRINGS...
VALENTINE...WIKIEUP...FURNACE CREEK...STOVEPIPE WELLS...
SHOSHONE...TECOPA...NEEDLES...CALIENTE...PIOCHE...PANACA...HIKO...
ALAMO...RACHEL...MESQUITE...OVERTON...MOAPA...PAHRUMP...
INDIAN SPRINGS...DESERT ROCK...AMARGOSA VALLEY...LAS VEGAS...
NORTH LAS VEGAS...HENDERSON...BOULDER CITY...LAUGHLIN...
BULLHEAD CITY...HOOVER DAM...PRIMM...JEAN...SEARCHLIGHT...
CAL-NEV-ARI
349 AM PDT FRI APR 3 2009 /349 AM MST FRI APR 3 2009/

...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM PDT /10 AM MST/
THIS MORNING TO 8 PM PDT /8 PM MST/ THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FOR LINCOLN AND MOHAVE
COUNTIES...THE LOWER ELEVATIONS OF CLARK COUNTY...THE LOWER
COLORADO RIVER VALLEY...AND DEATH VALLEY NATIONAL PARK FROM 10 AM
PDT /10 AM MST/ THIS MORNING TO 8 PM PDT /8 PM MST/ THIS EVENING.

STRONG SOUTHWEST WINDS WILL DEVELOP LATE THIS MORNING THEN BECOME
NORTHWEST IN THE AFTERNOON AS A COLD FRONT SWEEPS ACROSS THE AREA.
WINDS GUSTS BETWEEN 40 AND 50 MPH CAN BE EXPECTED BEFORE WIND
SPEEDS GRADUALLY DIMINISH THIS EVENING. AREAS OF BLOWING SAND AND
DUST ARE LIKELY WITH THESE WINDS.

STRONG WINDS IN EXCESS OF 30 MPH WILL CREATE DANGEROUS BOATING
CONDITIONS ON AREA LAKES DURING THE ADVISORY PERIOD. THESE WINDS
WILL CREATE VERY CHOPPY WATERS AND GENERATE LARGE WAVES WHICH
COULD CAPSIZE OR SWAMP SMALL CRAFT. FOR YOUR PERSONAL SAFETY...
OPERATORS OF SMALL CRAFT ARE URGED TO POSTPONE THEIR OUTINGS
UNTIL THE WINDS SUBSIDE. IF YOU DO VENTURE OUT ONTO THE LAKES...
AVOID THE OPEN WATER AND STAY CLOSE TO SHORE OR IN PROTECTED
COVES AND INLETS.

$$

MORGAN
000 
WWUS75 KVEF 031721
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1021 AM PDT FRI APR 3 2009

.A LOW PRESSURE SYSTEM WILL DIVE ACROSS THE GREAT BASIN TODAY
BRINGING STRONG WINDS TO THE ENTIRE REGION. AT 10 AM PDT...THE
COLD FRONT WAS ON A LINE FROM NEAR CEDAR CITY UTAH TO INDIAN
SPRINGS TO DEATH VALLEY NATIONAL PARK.

CAZ519>521-040000-
/O.CAN.KVEF.HW.W.0005.000000T0000Z-090403T1800Z/
/O.EXT.KVEF.WI.Y.0016.090403T1700Z-090404T0300Z/
EASTERN SIERRA SLOPES-OWENS VALLEY-WHITE MOUNTAINS OF INYO COUNTY-
INCLUDING THE CITIES OF...ASPENDELL...MT WHITNEY...BISHOP...
INDEPENDENCE...LONE PINE
1021 AM PDT FRI APR 3 2009

...WIND ADVISORY NOW IN EFFECT UNTIL 8 PM PDT THIS EVENING...
...HIGH WIND WARNING IS EXPIRED...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ALLOWED THE HIGH
WIND WARNING TO EXPIRE. A WIND ADVISORY IS NOW IN EFFECT UNTIL 8
PM PDT THIS EVENING FOR THE OWENS VALLEY AND SURROUNDING
MOUNTAINS.

GUSTY NORTHWEST WINDS WILL CONTINUE FOR THE REST OF TODAY AND INTO
THE EARLY EVENING HOURS IN THE OWENS VALLEY AND SURROUNDING
MOUNTAINS. NORTHWEST WINDS GUSTING UP TO 50 MPH ARE EXPECTED.
THESE WINDS WILL GRADUALLY ABATE THIS EVENING.

STRONG WINDS WILL CREATE HAZARDOUS DRIVING CONDITIONS...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

$$

CAZ523-040000-
/O.EXP.KVEF.WI.Y.0015.000000T0000Z-090403T1700Z/
/O.CON.KVEF.HW.W.0006.000000T0000Z-090404T0300Z/
WESTERN MOJAVE DESERT-
INCLUDING THE CITIES OF...BARSTOW...DAGGETT...FT IRWIN
1021 AM PDT FRI APR 3 2009

...HIGH WIND WARNING IS NOW IN EFFECT UNTIL 8 PM PDT THIS
EVENING...
...WIND ADVISORY HAS EXPIRED...

THE WIND ADVISORY IS NO LONGER IN EFFECT. A HIGH WIND WARNING
IS NOW IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR NORTHWEST SAN
BERNARDINO COUNTY.

WEST WINDS GUSTING OVER 60 MPH ARE EXPECTED DURING THE REST OF
TODAY AND EARLY THIS EVENING. AREAS OF BLOWING DUST AND SAND CAN
BE EXPECTED WITH THESE STRONG WINDS BEFORE SPEEDS GRADUALLY
DIMINISH THIS EVENING.

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.

$$

CAZ524>526-040000-
/O.CON.KVEF.HW.W.0006.000000T0000Z-090404T0300Z/
EASTERN MOJAVE DESERT-MORONGO BASIN-CADIZ BASIN-
INCLUDING THE CITIES OF...BAKER...MOJAVE NATIONAL PRESERVE...
MORONGO VALLEY...YUCCA VALLEY...JOSHUA TREE...TWENTYNINE PALMS
1021 AM PDT FRI APR 3 2009

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING FOR EASTERN SAN BERNARDINO COUNTY. 

AS A COLD FRONT APPROACHES THE MOJAVE DESERT TODAY...WEST TO
NORTHWEST WINDS WILL GUST OVER 60 MPH DURING THE LATE MORNING AND
AFTERNOON. AREAS OF BLOWING SAND AND DUST ARE LIKELY WITH THESE
WINDS BEFORE SPEEDS GRADUALLY DIMINISH THIS EVENING.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES ON NORTH SOUTH ROADWAYS. BLOWING DUST AND
SAND COULD REDUCE VISIBILITY TO NEAR ZERO AROUND FAVORABLE SPOTS
SUCH AS DRY LAKE BEDS. USE EXTRA CAUTION.

$$

NVZ014-040000-
/O.CON.KVEF.HW.W.0006.000000T0000Z-090404T0300Z/
ESMERALDA AND CENTRAL NYE COUNTY-
INCLUDING THE CITIES OF...BEATTY...GOLDFIELD...SILVER PEAK...DYER
1021 AM PDT FRI APR 3 2009

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING. 

STRONG NORTHWEST WINDS HAVE DEVELOPED OVER CENTRAL NYE COUNTY FOLLOWING
THE PASSAGE OF A COLD FRONT. WIND GUSTS OVER 60 MPH ARE EXPECTED
DURING THE REST OF TODAY. AREAS OF BLOWING SAND AND DUST ARE
LIKELY WITH THESE WINDS BEFORE WIND SPEEDS GRADUALLY DIMINISH THIS
EVENING.

$$

AZZ001>003-036-CAZ522-527-NVZ015>022-040000-
/O.CON.KVEF.WI.Y.0015.000000T0000Z-090404T0300Z/
NORTHWEST PLATEAU-LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK-
SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-LINCOLN COUNTY-
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...
WESTERN GRAND CANYON...LAKE HAVASU...TOPOCK...KINGMAN...
GOLDEN VALLEY...HUALAPAI RESERVATION...DOLAN SPRINGS...
VALENTINE...WIKIEUP...FURNACE CREEK...STOVEPIPE WELLS...
SHOSHONE...TECOPA...NEEDLES...CALIENTE...PIOCHE...PANACA...HIKO...
ALAMO...RACHEL...MESQUITE...OVERTON...MOAPA...PAHRUMP...
INDIAN SPRINGS...DESERT ROCK...AMARGOSA VALLEY...
THE TOWN OF MT CHARLESTON...LAS VEGAS...NORTH LAS VEGAS...
HENDERSON...BOULDER CITY...LAUGHLIN...BULLHEAD CITY...
HOOVER DAM...PRIMM...JEAN...SEARCHLIGHT...CAL-NEV-ARI
1021 AM PDT FRI APR 3 2009 /1021 AM MST FRI APR 3 2009/

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ THIS
EVENING...

A WIND ADVISORY REMAINS IN EFFECT FOR CLARK...LINCOLN AND MOHAVE
COUNTIES...THE COLORADO RIVER VALLEY AND DEATH VALLEY NATIONAL
PARK UNTIL 8 PM PDT /8 PM MST/ THIS EVENING.

A COLD FRONT LYING NORTH OF LAS VEGAS WILL PUSH SOUTH THROUGH THE
LAS VEGAS VALLEY BETWEEN 11 AM AND 1 PM. WINDS WILL SHIFT TO THE
NORTHWEST AND BECOME GUSTY. THE COLD FRONT WILL CONTINUE TO PUSH
SOUTH THROUGH THE REMAINDER OF CLARK AND MOHAVE COUNTIES THROUGH
THE AFTERNOON HOURS. SOUTHWEST WINDS WILL CONTINUE TO BE GUSTY
AHEAD OF THE COLD FRONT THEN BECOME NORTHWEST AS A COLD FRONT
SWEEPS ACROSS THE AREA. WINDS GUSTS BETWEEN 40 AND 50 MPH CAN BE
EXPECTED BEFORE WIND SPEEDS GRADUALLY DIMINISH THIS EVENING. AREAS
OF BLOWING SAND AND DUST ARE LIKELY WITH THESE WINDS.

STRONG WINDS IN EXCESS OF 30 MPH WILL CREATE DANGEROUS BOATING
CONDITIONS ON AREA LAKES DURING THE ADVISORY PERIOD. THESE WINDS
WILL CREATE VERY CHOPPY WATERS AND GENERATE LARGE WAVES WHICH
COULD CAPSIZE OR SWAMP SMALL CRAFT. FOR YOUR PERSONAL SAFETY...
OPERATORS OF SMALL CRAFT ARE URGED TO POSTPONE THEIR OUTINGS
UNTIL THE WINDS SUBSIDE. IF YOU DO VENTURE OUT ONTO THE LAKES...
AVOID THE OPEN WATER AND STAY CLOSE TO SHORE OR IN PROTECTED
COVES AND INLETS.

$$

PIERCE

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 2, 3:53 PM PDT, 1 hour 8 minutes earlier.

Area forecast discussion, Apr 2, 3:53 PM PDT, 1 hour 8 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
353 PM PDT THU APR 2 2009

.SYNOPSIS...A VIGOROUS LOW PRESSURE SYSTEM WILL MOVE OVER THE REGION
FRIDAY RESULTING IN STRONG WINDS AREAWIDE ALONG WITH ISOLATED TO
SCATTERED SHOWERS. THE WIND AND SHOWERS WILL DECREASE FRIDAY NIGHT
AS THE LOW SLOWLY MOVES EAST IN THE FOUR CORNERS REGION. AN AREA OF
HIGH PRESSURE WILL BE OVER THE AREA THIS WEEKEND. THE NEXT STORM
MOVES INTO THE SOUTHWEST STATES NEXT TUESDAY AND WEDNESDAY.
&&

.SHORT TERM...FAST MOVING SHORTWAVE IS RACING EAST ACROSS SOUTHERN
NEVADA AND WILL QUICKLY MOVE OVER NORTHERN ARIZONA TONIGHT. IN
RESPONSE TO SHORTWAVE SURFACE PRESSURE HAS BEEN FALLING ALL DAY IN
THE LEE OF THE SIERRA AND ACROSS SOUTHERN NEVADA. HIGH RESOLUTION
MODEL CENTERED ON THE SOUTHERN SIERRA AND SPRING MOUNTAINS INDICATE
A QUICK SHOT AT DOWNSLOPE WINDS THE REST OF THIS AFTERNOON AND PART
OF TONIGHT. ADVISORY LEVEL GUSTS HAVE DEVELOPED IN THE LEE OF THE
SRN SIERRA AND OWENS VALLEY AND WAS COINCIDENT WITH AREA OF
SUBSIDENCE SHOWING UP ON WATER VAPOR. THE AREA OF SUBSIDENCE WILL BE
REACHING THE SPRING MOUNTAINS/SHEEP RANGE BETWEEN 5 AND 6 PM. THE
SPRING MOUNTAIN HIGH RESOLUTION MODEL SUPPORTS A PERIOD OF STRONG
WINDS ALONG THE EASTERN SLOPES AND POTENTIAL DOWNSLOPE EVENT FOR THE
RED ROCK CANYON AREA BETWEEN 6 PM AND 2 AM FRIDAY. SECONDARY WAVE
DIGS FURTHER SOUTH INTO THE GREAT BASIN/MOJAVE DESERT FRIDAY.
STRONGEST BELT OF WINDS ALOFT LIES OVER SAN BERNARDINO AND SOUTHERN
MOHAVE COUNTIES. NO CHANGE TO CURRENT HIGH WIND WATCH FOR THOSE
AREAS. COLD FRONTAL PASSAGE FOR LAS VEGAS LOOKS TO BE EARLY
AFTERNOON FRIDAY. FOR AREAS PRESENTLY NOT COVERED BY THE HIGH WIND
WATCH A WIND ADVISORY WILL LIKELY BE NEED FOR THOSE AREAS FOLLOWING
THE FRONTAL PASSAGE. DID INCREASE POPS A TAD FURTHER SOUTH THEN
PREVIOUS FORECAST DUE TO THE DEEPER/COLDER TROUGH. DID INCLUDE A
MENTION OF THUNDERSTORMS AS WELL TOMORROW AFTERNOON AND EVENING...
NORTH AND EAST OF LAS VEGAS. THE WIND AND SHOWERS WILL TAPER OFF
FRIDAY NIGHT INTO SATURDAY AS TROUGH CONTINUES TO SLIDE EAST AND
RIDGE BUILDS IN FROM THE WEST.

.LONG TERM...SUNDAY MORNING TO THURSDAY...SHARP RIDGE OVER THE AREA
SUNDAY STARTS OUT THE EXTENDED. MODELS COMING MUCH CLOSER TO
TOGETHER IN THEIR SOLUTIONS WITH THE ECMWF BEING THE ONE THE
FORECAST MOST CLOSELY FOLLOWS. WITH SUCH A SHARP RIDGE AXIS THE LOW
OFF SHORE WILL BE SLOW IN MOVING INLAND...WHICH IS WHAT THE MORE
CONSISTENT ECMWF/GEM MODELS HAVE BEEN PREDICTING. WINDS WILL PICK UP
MONDAY EVENING AS GRADIENTS AND STRONG WINDS ALOFT COME AROUND THE
BASE OF THE LOW. THE BREEZY TO WINDY CONDITIONS WILL BE PRIMARILY IN
THE SOUTHERN HALF OF THE CWA AND LINGER INTO WEDNESDAY. STILL CAN
NOT RULE OUT THE POSSIBILITY FOR DOWN SLOPE IN THE SIERRA THEN. AS
LOW MOVES INLAND EXPECT SHOWER ACTIVITY BE BE POSSIBLE OVER MOST OF
THE AREA WITH THE BEST CHANCE OVER THE HIGHER ELEVATIONS. DO NOT
EXPECT SIGNIFICANT AMOUNTS AS SYSTEM WILL WORK ONLY WITH WHAT IT
BRINGS WITH IT AND NO MOISTURE TAP IS EVIDENT. THURSDAY WILL SEE A
CLEARING BEHIND EXITING SYSTEM IN NORTHWEST FLOW. IT LOOKS LIKE
ANOTHER SYSTEM IS PROGGED ON THE HEELS OF THE FIRST IN THE NORTHWEST
FLOW BUT LOOKS FOR NOW TO BE A GLANCING BLOW FOR FRIDAY.
&&

.AVIATION...FOR MCCARRAN...GUSTY SOUTHWEST WINDS WILL CONTINUE
THROUGH THE LATE EVENING BEFORE SUBSIDING AND CONTINUING FROM THE
SOUTHWEST. WINDS WILL INCREASE AGAIN FRIDAY MORNING FROM THE
SOUTHWEST AHEAD OF A COLD FRONT AND THEN SWITCH OVER TO THE
NORTHWEST AFTER PASSAGE FRIDAY AFTERNOON. WIND GUSTS UP TO 45 KNOTS
ARE POSSIBLE FRIDAY AFTERNOON. CONFIDENCE NOT HIGH IN TIMING OF THE
WIND SHIFT FOR FRIDAY. CEILINGS WITH THE FRONT ARE POSSIBLE IN THE
7-8KT FOOT LEVEL AND THERE IS A SLIGHT CHANCE FOR SHOWERS IN THE
VALLEY.

FOR THE REST OF SOUTHERN NEVADA...NORTHWEST ARIZONA...AND SOUTHEAST
CALIFORNIA...GUSTY SOUTH TO SOUTHWEST WINDS WILL CONTINUE IN THE
LATE EVENING BEFORE SUBSIDING WITH THE EXCEPTION OF WESTERN SAN
BERNARDINO COUNTY WHERE THEY WILL STAY STRONG ALL NIGHT LONG. AN
APPROACHING COLD FRONT WILL SWEEP THROUGH HE AREA FRIDAY AND BRING A
WIND SHIFT AND VERY STRONG WINDS AHEAD AND BEHIND THE FRONT. MODERATE
TO SEVERE MOUNTAIN WAVE TURBULENCE IS POSSIBLE OVER AND DOWNWIND OF
THE SIERRA AND OVER NORTH SOUTH ORIENTATED RANGES IN THE AREA.
&&

.VEF WATCHES/WARNINGS/ADVISORIES...
NV...WIND ADVISORY UNTIL 8 AM PDT FRIDAY FOR NVZ018-019.
     HIGH WIND WATCH FROM FRIDAY MORNING THROUGH FRIDAY EVENING FOR
     NVZ014-021-022.
AZ...HIGH WIND WATCH FROM FRIDAY MORNING THROUGH FRIDAY EVENING FOR
     AZZ001>003-036.
CA...WIND ADVISORY UNTIL 8 AM PDT FRIDAY FOR CAZ519>521.
     HIGH WIND WATCH FROM FRIDAY MORNING THROUGH FRIDAY EVENING FOR
     CAZ523>527.
     WIND ADVISORY UNTIL 10 AM PDT FRIDAY FOR CAZ523.
&&

PIERCE/JACQUES

HTTP://WEATHER.GOV/LASVEGAS
Hazardous weather outlook, Apr 2, 4:21 AM PDT, 12 hours 40 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAS VEGAS NV
421 AM PDT THU APR 2 2009

AZZ001>003-036-CAZ519>527-NVZ014>022-030230-
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-
421 AM PDT THU APR 2 2009 /421 AM MST THU APR 2 2009/

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

.DAY ONE...TODAY AND TONIGHT

A STRONG PACIFIC STORM WILL BEGIN TO MOVE INTO THE AREA TODAY AND
CONTINUE INTO TONIGHT. THIS WILL RESULT IN LOCAL STRONG AND GUSTY
WINDS TODAY AND TONIGHT...MAINLY ACROSS INYO AND SAN BERNARDINO
COUNTIES OF CALIFORNIA. HOWEVER GUSTY WINDS WILL BE SEEN ELSEWHERE.
WIND ADVISORIES AND HIGH WIND WATCHES ARE IN EFFECT FOR PORTIONS
OF THE AREA.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THE STORM WILL MOVE ACROSS THE DISTRICT ON FRIDAY RESULTING IN
MORE WIDESPREAD STRONG AND GUSTY WINDS WITH THE WINDS BECOMING
NORTHERLY DURING THE DAY AS A STRONG COLD FRONT MOVES THROUGH THE
REGION. HIGH WATCHES ARE IN EFFECT FOR PORTIONS OF THE AREA WITH
WIND ADVISORIES LIKELY BEING ISSUED AT A LATER TIME. AREAS OF
BLOWING SAND AND DUST WILL LIKELY BE LOWERING VISIBILITIES AT
TIMES. NORTHERLY WINDS TO DECREASE FRIDAY NIGHT...BUT LOCAL GUSTY
NORTH WINDS TO CONTINUE ON SATURDAY. ANOTHER STORM WILL THEN MOVE
INTO THE AREA NEXT TUESDAY BRINGING THE POTENTIAL FOR ANOTHER
ROUND OF GUSTY WINDS.

.SPOTTER INFORMATION STATEMENT...

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

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 2, 9:41 PM PDTHigh Wind WarningVEFSan Bernardino24 hr
Apr 2, 9:41 PM PDTWind AdvisoryVEFInyo, San Bernardino24 hr

Nearby

High Wind Warnings in California, 2009Every high wind warning in 2009

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.