Alert archive / California / Wind Advisories in 2007

Wind Advisory 18, NWS Las Vegas, NV

April 10, 2007San Bernardino County, California; Mohave County, Arizona; Clark County, Nevada

NWS Las Vegas, NV issued this wind advisory at Apr 10, 2007, 4:30 AM PDT for San Bernardino County, California; Mohave County, Arizona; Clark County, Nevada. It took effect at Apr 11, 2007, 4:06 AM PDT. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Apr 10, 2007, 4:30 AM PDT (11:30 UTC)
In effect from
Apr 11, 2007, 4:06 AM PDT
Expired
Apr 11, 2007, 8:00 PM PDT
In force
16 hr
Issued by
NWS Las Vegas, NV

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

The radar

The Las Vegas radar (KESX), 15 km from the middle of the area, began a volume at 11:28 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

Mercury/Desert R, NV (KDRA), launched 00:00Z, 11.5 hours before the alert went out and 147 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 2007-04-10Temperature 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, Mercury/Desert R, NV at 00:00Z on 2007-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -14 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3023 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
-14 m²/s²
0-3 km storm-relative helicity
-12 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 101130
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
430 AM PDT TUE APR 10 2007

...VERY GUSTY WINDS EXPECTED WEDNESDAY ACROSS MUCH OF THE MOJAVE
DESERT AND THE EAST SLOPES OF THE SOUTHERN SIERRA...

.A STRONG PACIFIC STORM SYSTEM WILL MOVE INTO NORTHERN CALIFORNIA
WEDNESDAY WITH A STRONG JET STREAM ROUNDING THE BASE OF THE STORM
INTO SOUTHEAST CALIFORNIA...FAR SOUTHERN NEVADA AND NORTHWEST
ARIZONA. 

AZZ001-003-NVZ022-102300-
/O.NEW.KVEF.WI.Y.0018.070411T1800Z-070412T0300Z/
NORTHWEST PLATEAU-NORTHWEST DESERTS-SOUTHERN CLARK COUNTY-
INCLUDING THE CITIES OF...COLORADO CITY...
PIPE SPRING NATIONAL MONUMENT...TUWEEP...MT TRUMBULL...
WESTERN GRAND CANYON...KINGMAN...GOLDEN VALLEY...
HUALAPAI RESERVATION...DOLAN SPRINGS...VALENTINE...WIKIEUP...
PRIMM...JEAN...SEARCHLIGHT...CAL-NEV-ARI
430 AM PDT TUE APR 10 2007 /430 AM MST TUE APR 10 2007/

...WIND ADVISORY IN EFFECT FROM 11 AM PDT /11 AM MST/ TO 8 PM PDT
/8 PM MST/ WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 11 AM PDT /11 AM MST/ TO 8 PM
PDT /8 PM MST/ WEDNESDAY. 

SOUTHWEST WINDS WILL INCREASE BY LATE WEDNESDAY MORNING WITH
SUSTAINED WINDS REACHING THE 25 TO 35 MPH RANGE. WIDESPREAD WIND
GUST BETWEEN 45 TO 50 MPH ARE EXPECTED INTO THE EVENING HOURS.
WINDS WILL DECREASE TO 10 TO 20 MPH WITH GUSTS TO 30 MPH AFTER
ABOUT 8 PM.


$$

AZZ002-036-CAZ527-NVZ021-102300-
/O.NEW.KVEF.LW.Y.0004.070411T1800Z-070412T0300Z/
LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA-
SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
INCLUDING THE CITIES OF...LAKE HAVASU...TOPOCK...NEEDLES...
LAUGHLIN...BULLHEAD CITY...HOOVER DAM
430 AM PDT TUE APR 10 2007 /430 AM MST TUE APR 10 2007/

...LAKE WIND ADVISORY IN EFFECT FROM 11 AM PDT /11 AM MST/ TO
8 PM PDT /8 PM MST/ WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A LAKE WIND
ADVISORY...WHICH IS IN EFFECT FROM 11 AM PDT /11 AM MST/ TO 8 PM
PDT /8 PM MST/ WEDNESDAY. 

SOUTHWEST WINDS WILL INCREASE BY LATE WEDNESDAY MORNING WITH
SUSTAINED WINDS BETWEEN 20 AND 30 MPH. WINDS WILL GUSTS TO NEAR 40
MPH THROUGH THE AFTERNOON WITH WINDS DECREASING AFTER ABOUT 8 PM.

A LAKE WIND ADVISORY MEANS THAT WINDS IN EXCESS OF 25 MPH WILL
CREATE HAZARDOUS BOATING CONDITIONS ON AREA LAKES. THE STRONG
WINDS WILL CREATE CHOPPY WATERS AND GENERATE LARGE WAVES WHICH
COULD CAPSIZE OR SWAMP SMALL CRAFT.

BOATERS SHOULD EXERCISE CAUTION IF VENTURING OUT ONTO AREA LAKES
DURING THE ADVISORY PERIOD...OR CONSIDER POSTPONING THEIR
ACTIVITIES UNTIL AFTER THE WINDS SUBSIDE. AVOID THE OPEN WATER
AND STAY CLOSE TO SHORE OR IN PROTECTED COVES AND INLETS.


$$

CAZ519-520-102300-
/O.CON.KVEF.HW.A.0006.070411T0600Z-070412T0600Z/
EASTERN SIERRA SLOPES-OWENS VALLEY-
INCLUDING THE CITIES OF...ASPENDELL...MT WHITNEY...BISHOP...
INDEPENDENCE...LONE PINE
430 AM PDT TUE APR 10 2007

...HIGH WIND WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
WEDNESDAY EVENING...

A HIGH WIND WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
WEDNESDAY EVENING. 

THERE IS POTENTIAL FOR VERY STRONG AND GUSTY DOWNSLOPE WINDS ALONG
THE SIERRA FOOTHILLS AND INTO THE OWENS VALLEY BEGINNING AS EARLY
AS LATE THIS EVENING. THE STRONGEST WINDS WILL LIKELY BE SEEN
WEDNESDAY AFTERNOON HOWEVER. WINDS ARE EXPECTED TO BE OUT OF THE WEST
WITH GUSTS TO OVER 60 MPH POSSIBLE. THE STRONGEST WINDS WILL BE
SEEN ALONG THE WEST TO EAST ORIENTED CANYONS OF THE SOUTHERN
SIERRA.

TRAVELERS PLANNING TRAVEL ALONG HIGHWAY 395 TUESDAY EVENING
THROUGH WEDNESDAY EVENING ARE URGED TO MONITOR THE LATEST UPDATES
AS THIS SYSTEM APPROACHES THE AREA AS STRONG AND GUSTY CROSS
WINDS WILL LIKELY BE ENCOUNTERED THROUGHOUT THE AREA.


$$

CAZ523>526-102300-
/O.CON.KVEF.HW.A.0006.070411T1800Z-070412T1800Z/
WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN-
CADIZ BASIN-
INCLUDING THE CITIES OF...BARSTOW...DAGGETT...FT IRWIN...BAKER...
MOHAVE NATIONAL PRESERVE...MORONGO VALLEY...YUCCA VALLEY...
JOSHUA TREE...TWENTYNINE PALMS
430 AM PDT TUE APR 10 2007

...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING
THROUGH THURSDAY MORNING...

A HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING
THROUGH THURSDAY MORNING. 

WEST TO SOUTHWEST WINDS ARE EXPECTED TO INCREASE BY LATE WEDNESDAY
MORNING WITH SUSTAINED WINDS POSSIBLY IN THE 35 TO 45 MPH RANGE.
WIND GUSTS MAY APPROACH OR EVEN EXCEED THE 60 MPH MARK.

ALONG WITH THE POTENTIAL STRONG AND GUSTY WINDS...AREAS OF
BLOWING SAND AND DUST MAY RESULT WITH VISIBILITIES RAPIDLY
LOWERING TO NEAR ZERO...ESPECIALLY NEAR THE DRY LAKE BEDS.

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.


$$
7 follow-up statements
000 
WWUS75 KVEF 102251
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
351 PM PDT TUE APR 10 2007

...VERY GUSTY WINDS EXPECTED WEDNESDAY ACROSS MUCH OF THE MOJAVE
DESERT AND THE EAST SLOPES OF THE SOUTHERN SIERRA...

.A STRONG PACIFIC STORM WILL MOVE INTO NORTHERN CALIFORNIA
WEDNESDAY WITH A STRONG JET STREAM ROUNDING THE BASE OF THE STORM
INTO SOUTHEAST CALIFORNIA...FAR SOUTHERN NEVADA AND NORTHWEST
ARIZONA. THIS SYSTEM WILL BE RESPONSIBLE FOR PRODUCING STRONG AND
GUSTY WINDS ACROSS MUCH OF THE SOUTHERN PORTION OF THE GREAT BASIN
AND THE MOJAVE DESERT.

AZZ001-003-NVZ022-111200-
/O.CON.KVEF.WI.Y.0018.070411T1800Z-070412T0300Z/
NORTHWEST PLATEAU-NORTHWEST DESERTS-SOUTHERN CLARK COUNTY-
INCLUDING THE CITIES OF...COLORADO CITY...
PIPE SPRING NATIONAL MONUMENT...TUWEEP...MT TRUMBULL...
WESTERN GRAND CANYON...KINGMAN...GOLDEN VALLEY...
HUALAPAI RESERVATION...DOLAN SPRINGS...VALENTINE...WIKIEUP...
PRIMM...JEAN...SEARCHLIGHT...CAL-NEV-ARI
351 PM PDT TUE APR 10 2007 /351 PM MST TUE APR 10 2007/

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM PDT /11 AM MST/ TO
8 PM PDT /8 PM MST/ WEDNESDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 11 AM PDT /11 AM MST/ TO
8 PM PDT /8 PM MST/ WEDNESDAY. 

SOUTHWEST WINDS WILL INCREASE BY LATE WEDNESDAY MORNING WITH
SUSTAINED WINDS REACHING THE 25 TO 35 MPH RANGE. WIDESPREAD WIND
GUST BETWEEN 45 TO 50 MPH ARE EXPECTED INTO THE EVENING HOURS.
WINDS WILL DECREASE TO 10 TO 20 MPH WITH GUSTS TO 30 MPH AFTER
ABOUT 8 PM.


$$

AZZ002-036-CAZ527-NVZ021-111200-
/O.CON.KVEF.LW.Y.0004.070411T1800Z-070412T0300Z/
LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA-
SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
INCLUDING THE CITIES OF...LAKE HAVASU...TOPOCK...NEEDLES...
LAUGHLIN...BULLHEAD CITY...HOOVER DAM
351 PM PDT TUE APR 10 2007 /351 PM MST TUE APR 10 2007/

...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 11 AM PDT /11 AM
MST/ TO 8 PM PDT /8 PM MST/ WEDNESDAY...

A LAKE WIND ADVISORY REMAINS IN EFFECT FROM 11 AM PDT /11 AM MST/
TO 8 PM PDT /8 PM MST/ WEDNESDAY. 

SOUTHWEST WINDS WILL INCREASE BY LATE WEDNESDAY MORNING WITH
SUSTAINED WINDS BETWEEN 20 AND 30 MPH. WINDS WILL GUSTS TO NEAR
40 MPH THROUGH THE AFTERNOON WITH WINDS DECREASING AFTER ABOUT
8 PM.

A LAKE WIND ADVISORY MEANS THAT WINDS IN EXCESS OF 25 MPH WILL
CREATE HAZARDOUS BOATING CONDITIONS ON AREA LAKES. THE STRONG
WINDS WILL CREATE CHOPPY WATERS AND GENERATE LARGE WAVES WHICH
COULD CAPSIZE OR SWAMP SMALL CRAFT.

BOATERS SHOULD EXERCISE CAUTION IF VENTURING OUT ONTO AREA LAKES
DURING THE ADVISORY PERIOD...OR CONSIDER POSTPONING THEIR
ACTIVITIES UNTIL AFTER THE WINDS SUBSIDE. AVOID THE OPEN WATER
AND STAY CLOSE TO SHORE OR IN PROTECTED COVES AND INLETS.


$$

CAZ519-520-111200-
/O.EXT.KVEF.HW.A.0006.070411T1500Z-070412T0600Z/
EASTERN SIERRA SLOPES-OWENS VALLEY-
INCLUDING THE CITIES OF...ASPENDELL...MT WHITNEY...BISHOP...
INDEPENDENCE...LONE PINE
351 PM PDT TUE APR 10 2007

...HIGH WIND WATCH NOW IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...

THE HIGH WIND WATCH IS NOW IN EFFECT FROM WEDNESDAY MORNING
THROUGH WEDNESDAY EVENING. 

THERE IS POTENTIAL FOR VERY STRONG AND GUSTY DOWNSLOPE WINDS
ALONG THE SIERRA FOOTHILLS AND INTO THE OWENS VALLEY WEDNESDAY
THROUGH WEDNESDAY EVENING WITH THE STRONGEST WINDS LIKELY BEING SEEN
WEDNESDAY AFTERNOON. WINDS ARE EXPECTED TO BE OUT OF THE WEST WITH
GUSTS TO OVER 60 MPH POSSIBLE. THE STRONGEST WINDS WILL BE SEEN
ALONG THE WEST TO EAST ORIENTED CANYONS OF THE SOUTHERN SIERRA.

TRAVELERS PLANNING TRAVEL ALONG HIGHWAY 395 ON WEDNESDAY ARE
URGED TO MONITOR THE LATEST UPDATES AS THIS SYSTEM APPROACHES THE
AREA AS STRONG AND GUSTY CROSS WINDS WILL LIKELY BE ENCOUNTERED
THROUGHOUT THE AREA.


$$

CAZ523>526-111200-
/O.CON.KVEF.HW.A.0006.070411T1800Z-070412T1800Z/
WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN-
CADIZ BASIN-
INCLUDING THE CITIES OF...BARSTOW...DAGGETT...FT IRWIN...BAKER...
MOHAVE NATIONAL PRESERVE...MORONGO VALLEY...YUCCA VALLEY...
JOSHUA TREE...TWENTYNINE PALMS
351 PM PDT TUE APR 10 2007

...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING
THROUGH THURSDAY MORNING...

A HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING
THROUGH THURSDAY MORNING. 

WEST TO SOUTHWEST WINDS ARE EXPECTED TO INCREASE BY LATE
WEDNESDAY MORNING WITH SUSTAINED WINDS POSSIBLY IN THE 35 TO
45 MPH RANGE. WIND GUSTS MAY APPROACH OR EVEN EXCEED THE 60 MPH
MARK.

ALONG WITH THE POTENTIAL STRONG AND GUSTY WINDS...AREAS OF
BLOWING SAND AND DUST MAY RESULT WITH VISIBILITIES RAPIDLY
LOWERING TO NEAR ZERO...ESPECIALLY NEAR THE DRY LAKE BEDS.

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.


$$
000 
WWUS75 KVEF 102327 CCA
NPWVEF

URGENT - WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE LAS VEGAS NV
420 PM PDT TUE APR 10 2007

...VERY GUSTY WINDS EXPECTED WEDNESDAY ACROSS MUCH OF THE MOJAVE
DESERT AND THE EAST SLOPES OF THE SOUTHERN SIERRA...

.A STRONG PACIFIC STORM WILL MOVE INTO NORTHERN CALIFORNIA
WEDNESDAY WITH A STRONG JET STREAM ROUNDING THE BASE OF THE STORM
INTO SOUTHEAST CALIFORNIA...FAR SOUTHERN NEVADA AND NORTHWEST
ARIZONA. THIS SYSTEM WILL BE RESPONSIBLE FOR PRODUCING STRONG AND
GUSTY WINDS ACROSS MUCH OF THE SOUTHERN PORTION OF THE GREAT BASIN
AND THE MOJAVE DESERT.

AZZ001-003-NVZ022-111245-
/O.COR.KVEF.WI.Y.0018.070411T1800Z-070412T0300Z/
NORTHWEST PLATEAU-NORTHWEST DESERTS-SOUTHERN CLARK COUNTY-
INCLUDING THE CITIES OF...COLORADO CITY...
PIPE SPRING NATIONAL MONUMENT...TUWEEP...MT TRUMBULL...
WESTERN GRAND CANYON...KINGMAN...GOLDEN VALLEY...
HUALAPAI RESERVATION...DOLAN SPRINGS...VALENTINE...WIKIEUP...
PRIMM...JEAN...SEARCHLIGHT...CAL-NEV-ARI
420 PM PDT TUE APR 10 2007 /420 PM MST TUE APR 10 2007/

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM PDT /11 AM MST/ TO
8 PM PDT /8 PM MST/ WEDNESDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 11 AM PDT /11 AM MST/ TO
8 PM PDT /8 PM MST/ WEDNESDAY FOR SOUTHERN CLARK COUNTY NEVADA AND
MOHAVE COUNTY IN NORTHWEST ARIZONA.

SOUTHWEST WINDS WILL INCREASE BY LATE WEDNESDAY MORNING WITH
SUSTAINED WINDS REACHING THE 25 TO 35 MPH RANGE. WIDESPREAD WIND
GUST BETWEEN 45 TO 50 MPH ARE EXPECTED INTO THE EVENING HOURS.
WINDS WILL DECREASE TO 10 TO 20 MPH WITH GUSTS TO 30 MPH AFTER
ABOUT 8 PM.


$$

AZZ002-036-CAZ527-NVZ021-111245-
/O.COR.KVEF.LW.Y.0004.070411T1800Z-070412T0300Z/
LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA-
SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
INCLUDING THE CITIES OF...LAKE HAVASU...TOPOCK...NEEDLES...
LAUGHLIN...BULLHEAD CITY...HOOVER DAM
420 PM PDT TUE APR 10 2007 /420 PM MST TUE APR 10 2007/

...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 11 AM PDT /11 AM
MST/ TO 8 PM PDT /8 PM MST/ WEDNESDAY...

A LAKE WIND ADVISORY REMAINS IN EFFECT FROM 11 AM PDT /11 AM MST/
TO 8 PM PDT /8 PM MST/ WEDNESDAY FOR THE COLORADO RIVER VALLEY
FROM LAKE MEAD TO LAKE HAVASU.

SOUTHWEST WINDS WILL INCREASE BY LATE WEDNESDAY MORNING WITH
SUSTAINED WINDS BETWEEN 20 AND 30 MPH. WINDS WILL GUSTS TO NEAR 40
MPH THROUGH THE AFTERNOON WITH WINDS DECREASING AFTER ABOUT 8 PM.

A LAKE WIND ADVISORY MEANS THAT WINDS IN EXCESS OF 25 MPH WILL
CREATE HAZARDOUS BOATING CONDITIONS ON AREA LAKES. THE STRONG
WINDS WILL CREATE CHOPPY WATERS AND GENERATE LARGE WAVES WHICH
COULD CAPSIZE OR SWAMP SMALL CRAFT.

BOATERS SHOULD EXERCISE CAUTION IF VENTURING OUT ONTO AREA LAKES
DURING THE ADVISORY PERIOD...OR CONSIDER POSTPONING THEIR
ACTIVITIES UNTIL AFTER THE WINDS SUBSIDE. AVOID THE OPEN WATER
AND STAY CLOSE TO SHORE OR IN PROTECTED COVES AND INLETS.


$$

CAZ519-520-111245-
/O.COR.KVEF.HW.A.0006.070411T1500Z-070412T0600Z/
EASTERN SIERRA SLOPES-OWENS VALLEY-
INCLUDING THE CITIES OF...ASPENDELL...MT WHITNEY...BISHOP...
INDEPENDENCE...LONE PINE
420 PM PDT TUE APR 10 2007

...HIGH WIND WATCH NOW IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...

THE HIGH WIND WATCH IS NOW IN EFFECT FROM WEDNESDAY MORNING
THROUGH WEDNESDAY EVENING FOR THE OWENS VALLEY AND ADJACENT
EASTERN SIERRA SLOPES.

THERE IS POTENTIAL FOR VERY STRONG AND GUSTY DOWNSLOPE WINDS
ALONG THE SIERRA FOOTHILLS AND INTO THE OWENS VALLEY WEDNESDAY
THROUGH WEDNESDAY EVENING WITH THE STRONGEST WINDS LIKELY BEING SEEN
WEDNESDAY AFTERNOON. WINDS ARE EXPECTED TO BE OUT OF THE WEST WITH
GUSTS TO OVER 60 MPH POSSIBLE. THE STRONGEST WINDS WILL BE SEEN
ALONG THE WEST TO EAST ORIENTED CANYONS OF THE SOUTHERN SIERRA.

TRAVELERS PLANNING TRAVEL ALONG HIGHWAY 395 ON WEDNESDAY ARE
URGED TO MONITOR THE LATEST UPDATES AS THIS SYSTEM APPROACHES THE
AREA AS STRONG AND GUSTY CROSS WINDS WILL LIKELY BE ENCOUNTERED
THROUGHOUT THE AREA.


$$

CAZ523>526-111245-
/O.COR.KVEF.HW.A.0006.070411T1800Z-070412T1800Z/
WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN-
CADIZ BASIN-
INCLUDING THE CITIES OF...BARSTOW...DAGGETT...FT IRWIN...BAKER...
MOHAVE NATIONAL PRESERVE...MORONGO VALLEY...YUCCA VALLEY...
JOSHUA TREE...TWENTYNINE PALMS
420 PM PDT TUE APR 10 2007

...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING
THROUGH THURSDAY MORNING...

A HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING
THROUGH THURSDAY MORNING FOR THE DESERTS OF SAN BERNARDINO COUNTY
CALIFORNIA.

WEST TO SOUTHWEST WINDS ARE EXPECTED TO INCREASE BY LATE
WEDNESDAY MORNING WITH SUSTAINED WINDS POSSIBLY IN THE 35 TO
45 MPH RANGE. WIND GUSTS MAY APPROACH OR EVEN EXCEED THE 60 MPH
MARK.

ALONG WITH THE POTENTIAL STRONG AND GUSTY WINDS...AREAS OF
BLOWING SAND AND DUST MAY RESULT WITH VISIBILITIES RAPIDLY
LOWERING TO NEAR ZERO...ESPECIALLY NEAR THE DRY LAKE BEDS.

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.


$$
000 
WWUS75 KVEF 111106
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
406 AM PDT WED APR 11 2007

...VERY GUSTY WINDS EXPECTED WEDNESDAY ACROSS MUCH OF THE MOJAVE
DESERT AND THE EAST SLOPES OF THE SOUTHERN SIERRA...

.A STRONG PACIFIC STORM WILL MOVE THROUGH NORTHERN CALIFORNIA 
TODAY WITH A STRONG JET STREAM ROUNDING THE BASE OF THE STORM
INTO SOUTHEAST CALIFORNIA...FAR SOUTHERN NEVADA AND NORTHWEST
ARIZONA. THIS SYSTEM WILL BE RESPONSIBLE FOR PRODUCING STRONG AND
GUSTY WINDS ACROSS MUCH OF THE SOUTHERN PORTION OF THE GREAT BASIN
AND THE MOJAVE DESERT. DRIVERS SHOULD BE AWARE OF THE POSSIBILITY OF
SUDDEN CROSS WINDS AND BLOWING DUST IN THESE AREAS OF GUSTY WINDS.

CAZ519-112000-
/O.UPG.KVEF.HW.A.0006.070411T1500Z-070412T0600Z/
/O.NEW.KVEF.HW.W.0005.070411T1800Z-070412T0300Z/
EASTERN SIERRA SLOPES-
INCLUDING THE CITIES OF...ASPENDELL...MT WHITNEY
406 AM PDT WED APR 11 2007

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

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM PDT
THIS EVENING. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

VERY STRONG AND GUSTY DOWNSLOPE WINDS ARE LIKELY ALONG THE EAST
SLOPES OF THE SIERRA DOWN TO NEAR 5000 FEET THIS AFTERNOON AND
EVENING. WINDS ARE EXPECTED TO BE OUT OF THE WEST WITH GUSTS TO
70 MPH POSSIBLE. THE STRONGEST WINDS WILL BE SEEN ALONG THE WEST
TO EAST ORIENTED CANYONS OF THE SOUTHERN SIERRA.


$$

CAZ523>526-112000-
/O.UPG.KVEF.HW.A.0006.070411T1800Z-070412T1800Z/
/O.EXA.KVEF.WI.Y.0018.070411T1800Z-070412T0300Z/
WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN-
CADIZ BASIN-
INCLUDING THE CITIES OF...BARSTOW...DAGGETT...FT IRWIN...BAKER...
MOHAVE NATIONAL PRESERVE...MORONGO VALLEY...YUCCA VALLEY...
JOSHUA TREE...TWENTYNINE PALMS
406 AM PDT WED APR 11 2007

...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM PDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM PDT
THIS EVENING. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

WEST TO SOUTHWEST WINDS ARE EXPECTED TO INCREASE BY LATE
WEDNESDAY MORNING WITH SUSTAINED WINDS IN THE 25 TO 35 MPH RANGE.
WIND GUSTS AS HIGH AS 55 MPH CAN BE EXPECTED. WINDS WILL DECREASE
AFTER ABOUT 8 PM THIS EVENING.


$$

CAZ520-112000-
/O.UPG.KVEF.HW.A.0006.070411T1500Z-070412T0600Z/
/O.EXA.KVEF.WI.Y.0018.070411T1800Z-070412T0300Z/
OWENS VALLEY-
INCLUDING THE CITIES OF...BISHOP...INDEPENDENCE...LONE PINE
406 AM PDT WED APR 11 2007

...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM PDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM PDT
THIS EVENING. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

GUSTY DOWNSLOPE WINDS ARE EXPECTED TO WORK INTO THE OWENS VALLEY
THIS AFTERNOON AND EVENING. SUSTAINED WINDS WILL INCREASE TO 
25 TO 35 MPH WITH GUSTS TO AROUND 50 MPH NEAR EAST-WEST ORIENTED
CANYONS.


$$

AZZ001-003-NVZ022-112000-
/O.CON.KVEF.WI.Y.0018.070411T1800Z-070412T0300Z/
NORTHWEST PLATEAU-NORTHWEST DESERTS-SOUTHERN CLARK COUNTY-
INCLUDING THE CITIES OF...COLORADO CITY...
PIPE SPRING NATIONAL MONUMENT...TUWEEP...MT TRUMBULL...
WESTERN GRAND CANYON...KINGMAN...GOLDEN VALLEY...
HUALAPAI RESERVATION...DOLAN SPRINGS...VALENTINE...WIKIEUP...
PRIMM...JEAN...SEARCHLIGHT...CAL-NEV-ARI
406 AM PDT WED APR 11 2007 /406 AM MST WED APR 11 2007/

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM PDT /11 AM MST/
THIS MORNING TO 8 PM PDT /8 PM MST/ THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FROM 11 AM PDT /11 AM MST/ THIS
MORNING TO 8 PM PDT /8 PM MST/ THIS EVENING. 

SOUTHWEST WINDS WILL INCREASE BY LATE THIS MORNING WITH SUSTAINED
WINDS REACHING THE 25 TO 35 MPH RANGE. WIDESPREAD WIND GUST
NEAR 45 MPH ARE EXPECTED INTO THE EVENING HOURS. WINDS WILL
DECREASE TO 10 TO 20 MPH WITH GUSTS TO 30 MPH AFTER ABOUT 8 PM.


$$

AZZ002-036-CAZ527-NVZ021-112000-
/O.CON.KVEF.LW.Y.0004.070411T1800Z-070412T0300Z/
LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA-
SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
INCLUDING THE CITIES OF...LAKE HAVASU...TOPOCK...NEEDLES...
LAUGHLIN...BULLHEAD CITY...HOOVER DAM
406 AM PDT WED APR 11 2007 /406 AM MST WED APR 11 2007/

...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 11 AM PDT /11 AM
MST/ THIS MORNING TO 8 PM PDT /8 PM MST/ THIS EVENING...

A LAKE WIND ADVISORY REMAINS IN EFFECT FROM 11 AM PDT /11 AM MST/
THIS MORNING TO 8 PM PDT /8 PM MST/ THIS EVENING. 

SOUTHWEST WINDS WILL INCREASE BY LATE THIS MORNING WITH SUSTAINED
WINDS BETWEEN 20 AND 30 MPH. WINDS WILL GUSTS TO NEAR 40 MPH
THROUGH THE AFTERNOON WITH WINDS DECREASING AFTER ABOUT 8 PM.

A LAKE WIND ADVISORY MEANS THAT WINDS IN EXCESS OF 25 MPH WILL
CREATE HAZARDOUS BOATING CONDITIONS ON AREA LAKES. THE STRONG
WINDS WILL CREATE CHOPPY WATERS AND GENERATE LARGE WAVES WHICH
COULD CAPSIZE OR SWAMP SMALL CRAFT.

BOATERS SHOULD EXERCISE CAUTION IF VENTURING OUT ONTO AREA LAKES
DURING THE ADVISORY PERIOD...OR CONSIDER POSTPONING THEIR
ACTIVITIES UNTIL AFTER THE WINDS SUBSIDE. AVOID THE OPEN WATER
AND STAY CLOSE TO SHORE OR IN PROTECTED COVES AND INLETS.



$$
000 
WWUS75 KVEF 111930
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1230 PM PDT WED APR 11 2007

DEFAULT OVERVIEW SECTION
CAZ519-120300-
/O.CON.KVEF.HW.W.0005.000000T0000Z-070412T0300Z/
EASTERN SIERRA SLOPES-
INCLUDING THE CITIES OF...ASPENDELL...MT WHITNEY
1230 PM PDT WED APR 11 2007

...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 THE EAST SLOPES OF THE SOUTHERN SIERRA.

AS OF EARLY AFTERNOON WINDS ACROSS THE MOUNTAINS TO THE NORTH OF
BISHOP HAD GUSTED TO NEAR 70 MPH. THESE STRONG WINDS WILL BE
MOVING SOUTH ALONG THE EAST SLOPES OF THE SIERRA DOWN TO NEAR 5000
FEET DURING THE AFTERNOON AND EARLY EVENING. WEST WINDS WITH GUSTS
TO OVER 70 MPH ARE LIKELY THROUGH THIS EVENING WITH THE STRONGEST
WINDS BEING SEEN ALONG THE WEST TO EAST ORIENTED CANYONS OF THE
SOUTHERN SIERRA.


$$

AZZ001-003-CAZ520-523>526-NVZ022-120300-
/O.CON.KVEF.WI.Y.0018.000000T0000Z-070412T0300Z/
NORTHWEST PLATEAU-NORTHWEST DESERTS-OWENS VALLEY-
WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN-
CADIZ BASIN-SOUTHERN CLARK COUNTY-
INCLUDING THE CITIES OF...COLORADO CITY...
PIPE SPRING NATIONAL MONUMENT...TUWEEP...MT TRUMBULL...
WESTERN GRAND CANYON...KINGMAN...GOLDEN VALLEY...
HUALAPAI RESERVATION...DOLAN SPRINGS...VALENTINE...WIKIEUP...
BISHOP...INDEPENDENCE...LONE PINE...BARSTOW...DAGGETT...
FT IRWIN...BAKER...MOHAVE NATIONAL PRESERVE...MORONGO VALLEY...
YUCCA VALLEY...JOSHUA TREE...TWENTYNINE PALMS...PRIMM...JEAN...
SEARCHLIGHT...CAL-NEV-ARI
1230 PM PDT WED APR 11 2007 /1230 PM MST WED APR 11 2007/

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

A WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ THIS
EVENING FOR THE MOJAVE DESERT AND EXTREME SOUTHERN NEVADA.

BY EARLY AFTERNOON WINDS WERE GUSTING TO NEAR 40 MPH ACROSS 
THE WESTERN PORTION OF SAN BERNARDINO COUNTY. THESE WINDS ARE
EXPECTED TO SPREAD EAST DURING THE AFTERNOON AND EARLY EVENING.
SOUTHWEST TO WEST WINDS 25 TO 35 MPH RANGE WITH WIDESPREAD WIND
GUSTS NEAR 45 MPH ARE EXPECTED INTO THE EVENING HOURS. WINDS WILL
DECREASE TO 10 TO 20 MPH WITH GUSTS TO 30 MPH AFTER ABOUT 8 PM.


$$

AZZ002-036-CAZ527-NVZ021-120300-
/O.CON.KVEF.LW.Y.0004.000000T0000Z-070412T0300Z/
LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA-
SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
INCLUDING THE CITIES OF...LAKE HAVASU...TOPOCK...NEEDLES...
LAUGHLIN...BULLHEAD CITY...HOOVER DAM
1230 PM PDT WED APR 11 2007 /1230 PM MST WED APR 11 2007/

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

A LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/
THIS EVENING FOR THE LAKE MEAD NATIONAL RECREATION ARE AND THE
LAKE HAVASU / FORT MOHAVE AREA AS WELL AS THE UPPER COLORADO RIVER
VALLEY.

SOUTHWEST WINDS WILL INCREASE THIS AFTERNOON WITH SUSTAINED WINDS
BETWEEN 20 AND 30 MPH WITH GUSTS TO NEAR 40 MPH LOOKED FOR THROUGH
EARLY EVENING.

A LAKE WIND ADVISORY MEANS THAT WINDS IN EXCESS OF 25 MPH WILL
CREATE HAZARDOUS BOATING CONDITIONS ON AREA LAKES. THE STRONG
WINDS WILL CREATE CHOPPY WATERS AND GENERATE LARGE WAVES WHICH
COULD CAPSIZE OR SWAMP SMALL CRAFT.

BOATERS SHOULD EXERCISE CAUTION IF VENTURING OUT ONTO AREA LAKES
DURING THE ADVISORY PERIOD...OR CONSIDER POSTPONING THEIR
ACTIVITIES UNTIL AFTER THE WINDS SUBSIDE. AVOID THE OPEN WATER
AND STAY CLOSE TO SHORE OR IN PROTECTED COVES AND INLETS.


$$
000 
WWUS75 KVEF 111946 CCA
NPWVEF

URGENT - WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE LAS VEGAS NV
1230 PM PDT WED APR 11 2007

CORRECTED FOR OVERVIEW SECTION

...VERY GUSTY WINDS EXPECTED THIS AFTERNOON AND EVENING ACROSS MUCH 
OF THE MOJAVE DESERT AND THE EAST SLOPES OF THE SOUTHERN SIERRA...

.A STRONG PACIFIC STORM MOVING INTO NORTHERN CALIFORNIA WITH A 
STRONG JET STREAM ACROSS SOUTHEAST CALIFORNIA...FAR SOUTHERN NEVADA 
AND NORTHWEST ARIZONA WILL COMBINE TO PRODUCE STRONG AND GUSTY WINDS 
ACROSS THE AREA THIS AFTERNOON AND EVENING. DRIVERS SHOULD BE AWARE 
OF THE POSSIBILITY OF SUDDEN CROSS WINDS AND BLOWING DUST IN THESE 
AREAS OF GUSTY WINDS.

CAZ519-120300-
/O.CON.KVEF.HW.W.0005.000000T0000Z-070412T0300Z/
EASTERN SIERRA SLOPES-
INCLUDING THE CITIES OF...ASPENDELL...MT WHITNEY
1230 PM PDT WED APR 11 2007

...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 THE EAST SLOPES OF THE SOUTHERN SIERRA.

AS OF EARLY AFTERNOON WINDS ACROSS THE MOUNTAINS TO THE NORTH OF
BISHOP HAD GUSTED TO NEAR 70 MPH. THESE STRONG WINDS WILL BE
MOVING SOUTH ALONG THE EAST SLOPES OF THE SIERRA DOWN TO NEAR 5000
FEET DURING THE AFTERNOON AND EARLY EVENING. WEST WINDS WITH GUSTS
TO OVER 70 MPH ARE LIKELY THROUGH THIS EVENING WITH THE STRONGEST
WINDS BEING SEEN ALONG THE WEST TO EAST ORIENTED CANYONS OF THE
SOUTHERN SIERRA.


$$

AZZ001-003-CAZ520-523>526-NVZ022-120300-
/O.CON.KVEF.WI.Y.0018.000000T0000Z-070412T0300Z/
NORTHWEST PLATEAU-NORTHWEST DESERTS-OWENS VALLEY-
WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN-
CADIZ BASIN-SOUTHERN CLARK COUNTY-
INCLUDING THE CITIES OF...COLORADO CITY...
PIPE SPRING NATIONAL MONUMENT...TUWEEP...MT TRUMBULL...
WESTERN GRAND CANYON...KINGMAN...GOLDEN VALLEY...
HUALAPAI RESERVATION...DOLAN SPRINGS...VALENTINE...WIKIEUP...
BISHOP...INDEPENDENCE...LONE PINE...BARSTOW...DAGGETT...
FT IRWIN...BAKER...MOHAVE NATIONAL PRESERVE...MORONGO VALLEY...
YUCCA VALLEY...JOSHUA TREE...TWENTYNINE PALMS...PRIMM...JEAN...
SEARCHLIGHT...CAL-NEV-ARI
1230 PM PDT WED APR 11 2007 /1230 PM MST WED APR 11 2007/

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

A WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ THIS
EVENING FOR THE MOJAVE DESERT AND EXTREME SOUTHERN NEVADA.

BY EARLY AFTERNOON WINDS WERE GUSTING TO NEAR 40 MPH ACROSS 
THE WESTERN PORTION OF SAN BERNARDINO COUNTY. THESE WINDS ARE
EXPECTED TO SPREAD EAST DURING THE AFTERNOON AND EARLY EVENING.
SOUTHWEST TO WEST WINDS 25 TO 35 MPH RANGE WITH WIDESPREAD WIND
GUSTS NEAR 45 MPH ARE EXPECTED INTO THE EVENING HOURS. WINDS WILL
DECREASE TO 10 TO 20 MPH WITH GUSTS TO 30 MPH AFTER ABOUT 8 PM.


$$

AZZ002-036-CAZ527-NVZ021-120300-
/O.CON.KVEF.LW.Y.0004.000000T0000Z-070412T0300Z/
LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA-
SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
INCLUDING THE CITIES OF...LAKE HAVASU...TOPOCK...NEEDLES...
LAUGHLIN...BULLHEAD CITY...HOOVER DAM
1230 PM PDT WED APR 11 2007 /1230 PM MST WED APR 11 2007/

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

A LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/
THIS EVENING FOR THE LAKE MEAD NATIONAL RECREATION ARE AND THE
LAKE HAVASU / FORT MOHAVE AREA AS WELL AS THE UPPER COLORADO RIVER
VALLEY.

SOUTHWEST WINDS WILL INCREASE THIS AFTERNOON WITH SUSTAINED WINDS
BETWEEN 20 AND 30 MPH WITH GUSTS TO NEAR 40 MPH LOOKED FOR THROUGH
EARLY EVENING.

A LAKE WIND ADVISORY MEANS THAT WINDS IN EXCESS OF 25 MPH WILL
CREATE HAZARDOUS BOATING CONDITIONS ON AREA LAKES. THE STRONG
WINDS WILL CREATE CHOPPY WATERS AND GENERATE LARGE WAVES WHICH
COULD CAPSIZE OR SWAMP SMALL CRAFT.

BOATERS SHOULD EXERCISE CAUTION IF VENTURING OUT ONTO AREA LAKES
DURING THE ADVISORY PERIOD...OR CONSIDER POSTPONING THEIR
ACTIVITIES UNTIL AFTER THE WINDS SUBSIDE. AVOID THE OPEN WATER
AND STAY CLOSE TO SHORE OR IN PROTECTED COVES AND INLETS.


$$
000 
WWUS75 KVEF 112301
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
401 PM PDT WED APR 11 2007

...VERY GUSTY WINDS EXPECTED FOR THE REMAINDER OF THE AFTERNOON
AND INTO THIS EVENING ACROSS MUCH OF THE MOJAVE DESERT AND THE EAST
SLOPES OF THE SOUTHERN SIERRA...

.A STRONG PACIFIC STORM MOVING INTO NORTHERN CALIFORNIA WILL
CONTINUE TO ALLOW STRONG WEST TO SOUTHWEST WINDS BLOW ACROSS MUCH
OF SOUTHEAST CALIFORNIA...FAR SOUTHERN NEVADA AND NORTHWEST
ARIZONA. DRIVERS SHOULD BE AWARE OF THE POSSIBILITY OF SUDDEN
CROSS WINDS AND BLOWING DUST IN THESE AREAS OF GUSTY WINDS.

CAZ519-120300-
/O.CON.KVEF.HW.W.0005.000000T0000Z-070412T0300Z/
EASTERN SIERRA SLOPES-
INCLUDING THE CITIES OF...ASPENDELL...MT WHITNEY
401 PM PDT WED APR 11 2007

...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 THE EAST SLOPES OF THE SOUTHERN SIERRA.

BY MID AFTERNOON...STRONG DOWNSLOPE WINDS HAVE BEEN REPORTED ALONG
THE EAST SLOPES OF THE SOUTHERN SIERRA. THE STRONGEST WINDS SEEN
SO FAR HAVE OCCURRED TO THE WEST OF INDEPENDENCE WHERE A REMOTE
SENSOR HAS REPORTED WIND GUSTS TO OVER 70 MPH. THESE STRONG WINDS
ARE EXPECTED TO CONTINUE THROUGH THE REMAINDER OF THE AFTERNOON
AND INTO THE EARLY EVENING BEFORE DECREASING OVERNIGHT.

MOTORISTS SHOULD EXERCISE EXTREME CAUTION WHILE DRIVING IN THE
WARNING AREA. BE ALERT TO SUDDEN GUSTS OF WIND WHICH MAY CAUSE YOU
TO LOSE CONTROL OF YOUR VEHICLE.


$$

AZZ001-003-CAZ520-523>526-NVZ022-120300-
/O.CON.KVEF.WI.Y.0018.000000T0000Z-070412T0300Z/
NORTHWEST PLATEAU-NORTHWEST DESERTS-OWENS VALLEY-
WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN-
CADIZ BASIN-SOUTHERN CLARK COUNTY-
INCLUDING THE CITIES OF...COLORADO CITY...
PIPE SPRING NATIONAL MONUMENT...TUWEEP...MT TRUMBULL...
WESTERN GRAND CANYON...KINGMAN...GOLDEN VALLEY...
HUALAPAI RESERVATION...DOLAN SPRINGS...VALENTINE...WIKIEUP...
BISHOP...INDEPENDENCE...LONE PINE...BARSTOW...DAGGETT...
FT IRWIN...BAKER...MOHAVE NATIONAL PRESERVE...MORONGO VALLEY...
YUCCA VALLEY...JOSHUA TREE...TWENTYNINE PALMS...PRIMM...JEAN...
SEARCHLIGHT...CAL-NEV-ARI
401 PM PDT WED APR 11 2007 /401 PM MST WED APR 11 2007/

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

A WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/ THIS
EVENING FOR THE MOJAVE DESERT AND EXTREME SOUTHERN NEVADA ALONG
WITH NORTHWEST ARIZONA.

BY MID AFTERNOON THE STRONGEST WINDS CONTINUED TO BE OVER SAN
BERNARDINO COUNTY WHERE WIND GUSTS TO OVER 50 MPH HAVE BEEN
REPORTED. WIND SPEEDS ARE EXPECTED TO INCREASE DURING THE REST OF
THE AFTERNOON AND EVENING ACROSS THE REMAINDER OF THE ADVISORY
AREA WITH GUSTS TO NEAR 45 MPH POSSIBLE. WINDS WILL DECREASE TO 10
TO 20 MPH WITH GUSTS TO 30 MPH AFTER ABOUT 8 PM.

ALONG WITH THE WINDS...LOCAL AREAS OF BLOWING SAND AND DUST MAY BE
EXPERIENCED UNTIL THE WINDS DECREASE OVERNIGHT. MOTORIST AND OTHER
TRAVELERS ARE URGED TO USE CAUTION AS IF AREAS OF BLOWING SAND AND
DUST ARE ENCOUNTERED...VISIBILITIES MAY RAPIDLY LOWER TO NEAR
ZERO.


$$

AZZ002-036-CAZ527-NVZ021-120300-
/O.CON.KVEF.LW.Y.0004.000000T0000Z-070412T0300Z/
LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA-
SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
INCLUDING THE CITIES OF...LAKE HAVASU...TOPOCK...NEEDLES...
LAUGHLIN...BULLHEAD CITY...HOOVER DAM
401 PM PDT WED APR 11 2007 /401 PM MST WED APR 11 2007/

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

A LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/
THIS EVENING FOR THE LAKE MEAD NATIONAL RECREATION AREA AND THE
LAKE HAVASU / FORT MOHAVE AREA AS WELL AS THE UPPER COLORADO RIVER
VALLEY.. 

SOUTHWEST WINDS WILL INCREASE LATE THIS AFTERNOON AND EVENING WITH 
SUSTAINED WINDS BETWEEN 20 AND 30 MPH AND GUSTS TO NEAR 40 MPH
LOOKED FOR THROUGH EARLY EVENING.

A LAKE WIND ADVISORY MEANS THAT WINDS IN EXCESS OF 25 MPH WILL
CREATE HAZARDOUS BOATING CONDITIONS ON AREA LAKES. THE STRONG
WINDS WILL CREATE CHOPPY WATERS AND GENERATE LARGE WAVES WHICH
COULD CAPSIZE OR SWAMP SMALL CRAFT.

BOATERS SHOULD EXERCISE CAUTION IF VENTURING OUT ONTO AREA LAKES
DURING THE ADVISORY PERIOD...OR CONSIDER POSTPONING THEIR
ACTIVITIES UNTIL AFTER THE WINDS SUBSIDE. AVOID THE OPEN WATER
AND STAY CLOSE TO SHORE OR IN PROTECTED COVES AND INLETS.


$$
000 
WWUS75 KVEF 120320
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
819 PM PDT WED APR 11 2007

CAZ519-120430-
/O.EXP.KVEF.HW.W.0005.000000T0000Z-070412T0300Z/
EASTERN SIERRA SLOPES-
INCLUDING THE CITIES OF...ASPENDELL...MT WHITNEY
819 PM PDT WED APR 11 2007

...HIGH WIND WARNING HAS EXPIRED...

THE HIGH WIND WARNING IS NO LONGER IN EFFECT FOR THE EAST SLOPES
OF THE SOUTHERN SIERRA. AUTOMATED SENSORS SHOWED A DECREASING
TREND OF WIND SPEEDS THIS EVENING AND THIS WILL CONTINUE UNTIL
SPEEDS DIMINISH TO BETWEEN 15 AND 30 MPH AFTER MIDNIGHT.

$$

CAZ523-120600-
/O.EXP.KVEF.WI.Y.0018.000000T0000Z-070412T0300Z/
/O.NEW.KVEF.WI.Y.0019.070412T0319Z-070412T0600Z/
WESTERN MOJAVE DESERT-
INCLUDING THE CITIES OF...BARSTOW...DAGGETT...FT IRWIN
819 PM PDT WED APR 11 2007

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

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS EXTENDED THE WIND
ADVISORY FOR THE WESTERN MOJAVE DESERT UNTIL 11 PM PDT THIS EVENING.

SUSTAINED WIND SPEEDS OF 30 TO 40 MPH...WITH GUSTS OF 45 TO 50...
WERE STILL OCCURRING THIS EVENING ACROSS WESTERN SAN BERNARDINO
COUNTY. THESE STRONG WINDS WILL GRADUALLY DECREASE DURING THE LATE
EVENING TO LESS THAN 30 MPH.

AREAS OF BLOWING SAND AND DUST MAY BE EXPERIENCED UNTIL THE WINDS
DECREASE OVERNIGHT. MOTORIST AND OTHER TRAVELERS ARE URGED TO USE
CAUTION AS AREAS OF BLOWING SAND AND DUST ARE ENCOUNTERED.

$$

AZZ001-003-CAZ520-524>526-NVZ022-120430-
/O.EXP.KVEF.WI.Y.0018.000000T0000Z-070412T0300Z/
NORTHWEST PLATEAU-NORTHWEST DESERTS-OWENS VALLEY-
EASTERN MOJAVE DESERT-MORONGO BASIN-CADIZ BASIN-
SOUTHERN CLARK COUNTY-
INCLUDING THE CITIES OF...COLORADO CITY...
PIPE SPRING NATIONAL MONUMENT...TUWEEP...MT TRUMBULL...
WESTERN GRAND CANYON...KINGMAN...GOLDEN VALLEY...
HUALAPAI RESERVATION...DOLAN SPRINGS...VALENTINE...WIKIEUP...
BISHOP...INDEPENDENCE...LONE PINE...BAKER...
MOHAVE NATIONAL PRESERVE...MORONGO VALLEY...YUCCA VALLEY...
JOSHUA TREE...TWENTYNINE PALMS...PRIMM...JEAN...SEARCHLIGHT...
CAL-NEV-ARI
819 PM PDT WED APR 11 2007 /819 PM MST WED APR 11 2007/

...WIND ADVISORY HAS EXPIRED...

THE WIND ADVISORY IS NO LONGER IN EFFECT FOR SOUTHERN AND EASTERN
SAN BERNARDINO COUNTY...SOUTHERN CLARK COUNTY AND MOHAVE COUNTY.

WIND SPEEDS WERE GRADUALLY DECREASING THIS EVENING AND WILL
CONTINUE TO DIMINISH TO BETWEEN 10 AND 20 MPH AFTER MIDNIGHT.

$$

AZZ002-036-CAZ527-NVZ021-120430-
/O.EXP.KVEF.LW.Y.0004.000000T0000Z-070412T0300Z/
LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA-
SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
INCLUDING THE CITIES OF...LAKE HAVASU...TOPOCK...NEEDLES...
LAUGHLIN...BULLHEAD CITY...HOOVER DAM
819 PM PDT WED APR 11 2007 /819 PM MST WED APR 11 2007/

...LAKE WIND ADVISORY HAS EXPIRED...

THE LAKE WIND ADVISORY IS NO LONGER IN EFFECT FOR THE LAKE MEAD
NATIONAL RECREATION AREA AND THE COLORADO RIVER VALLEY DOWN TO
LAKE HAVASU. WIND SPEEDS WERE GRADUALLY DECREASING THIS EVENING 
AND WILL CONTINUE TO DIMINISH TO BETWEEN 10 AND 20 MPH AFTER
MIDNIGHT.

$$

JGA

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 Apr 10, 4:10 AM PDT, 20 minutes earlier.

Area forecast discussion, Apr 10, 4:10 AM PDT, 20 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
410 AM PDT TUE APR 10 2007

.SYNOPSIS...DRY WEATHER WITH ABOVE NORMAL TEMPERATURES WILL CONTINUE
TODAY BEFORE A PACIFIC STORM MOVES INTO THE AREA LATE WEDNESDAY AND
THURSDAY. THIS STORM WILL BRING STRONG WINDS TO THE MOJAVE DESERT
WEDNESDAY. SCATTERED SHOWERS WILL DEVELOP ACROSS THE SOUTHERN GREAT
BASIN WEDNESDAY EXPANDING DOWN INTO THE MOJAVE DESERT THURSDAY.
MUCH COOLER TEMPERATURES CAN ALSO BE EXPECTED BY THURSDAY.
&&

.SHORT TERM...QUITE A BIT TO CONSIDER THIS MORNING. A WEAK COOL
FRONT HAS PUSHED SOUTH EARLY THIS MORNING WITH NOTICEABLE NORTH
WINDS THROUGH MUCH OF THE LAS VEGAS VALLEY ALONG WITH MUCH LOWER
SURFACE DEWPOINTS. EXPECT THE NORTHERLY GRADIENT TO RELAX DURING THE
DAY AND WINDS TO SUBSIDE. THIS FRONT SHOULD HELP KEEP TEMPS A BIT
COOLER THAN MONDAY AS EXPECTED. OTHERWISE LOOKING FOR GENERALLY
SUNNY SKIES AND ABOVE NORMAL TEMPERATURES TODAY. NEXT STORM SYSTEM
STILL ON TRACK TO MOVE INTO NORTHERN CALIFORNIA WEDNESDAY WITH A
STRONG JET SAGGING OVER THE MOJAVE DESERT. A BELT OF STRONG SURFACE
WINDS WILL DEVELOP BY WEDNESDAY AFTERNOON BUT STILL UNCERTAIN ABOUT
WINDS REACHING HIGH WIND CRITERIA ALONG THE EAST SLOPES OF THE
SIERRA AND IN SAN BERNARDINO COUNTY. WILL LEAVE THE HIGH WIND WATCH
POSTED FOR NOW. EXPECT WIND ADVISORY TO DEVELOP OVER SOUTHERN CLARK
COUNTY AND THE NORTHWEST DESERTS AND PLATEU OF ARIZONA WITH LAKE
WIND ADVISORY WINDS OVER THE COLORADO RIVER LAKES. EXPECT THE LAS
VEGAS VALLEY TO REMAIN JUST UNDER ADVISORY CRITERIA WINDS. BESIDES
THE WINDS ON WEDNESDAY...SOME MOISTURE AND INSTABILITY DEVELOPS OVER
THE NORTHERN ZONES AND CONTINUED THE SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS THERE. THE MAIN UPPER LOW IS PROGGED TO PUSH SOUTHEAST
INTO SOUTHERN NEVADA THURSDAY WITH A NICE UPPER LEVEL COLD POOL
DESTABILIZING THE AIR MASS. MOST OF THE FORECAST AREA SHOULD SEE AT
LEAST A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS WITH THE BEST
CHANCES OVER THE HIGHER TERRAIN NORTH OF LAS VEGAS. MAX TEMPS WILL
BE MUCH COOLER THURSDAY...MAYBE 15 DEGREES COOLER THAN TODAY. THE
LOW THEN MOVES QUICKLY INTO THE ROCKY MOUNTAIN REGION THURSDAY NIGHT
WITH CLEARING EXPECTED FROM WEST TO EAST OVER OUR FORECAST AREA.

.LONG TERM...THURSDAYS STORM SYSTEM HEADS EAST AND WILL BE OVER THE
CENTRAL/SOUTHERN PLAINS FRIDAY WITH RIDGING PUSHING INTO THE WEST.
TEMPS ARE EXPECTED TO REBOUND SOMEWHAT BUT REMAIN BELOW NORMAL. BY
SATURDAY...THE NEXT PACIFIC SYSTEM IS APPROACHING THE WEST COAST.
THE INCREASING SOUTHERLY FLOW WILL ALLOW TEMPERATURES TO WARM BACK
ABOVE NORMAL AND WINDS WILL LIKELY INCREASE ONCE AGAIN. THE 00Z
ECMWF CAME IN DEEPER WITH THE WEEKEND SYSTEM AND IS NOW CLOSER TO
THE SOLUTIONS OF THE OTHER MODELS. THIS PLACES A FAIRLY SHARP TROUGH
JUST OFF THE WEST COAST SATURDAY. SOLUTIONS BEGIN TO DIVERGE BEYOND
THAT AS THE GFS/UKMET/DGEX KEEP THE LOW OFF THE SOUTHERN CALIFORNIA
COAST WHILE THE ECMWF FEATURES A CLOSED LOW OVER SOUTHERN NEVADA.
THE GFS ENSEMBLE MEAN SPLITS THE DIFFERENCE FORECASTING THE LOW OVER
SOUTHERN CALIFORNIA. A QUICK LOOK AT THE 06Z GFS CONTINUES A LACK OF
RUN TO RUN CONTINUITY BRINGING AN OPEN TROUGH INTO THE COAST WELL
NORTH OF THE 00Z SOLUTION AND FORMING A CLOSED LOW OVER NORTHEAST
NEVADA. THIS LOOKS A LOT CLOSER TO THE WHAT THE 00Z ECMWF IS SHOWING
AND MAY BE A STEP IN THE RIGHT DIRECTION. HOWEVER...WITH ANY ONE OF
THE SOLUTIONS EQUALLY LIKELY AT THIS POINT...DECIDED TO LET MUCH OF
THE PREVIOUS FORECAST RIDE UNTIL THE MAJORITY OF MODELS SHOW BETTER
CONSENSUS ON WHAT MAY HAPPEN WITH THE LOW. THE MEN GUIDANCE HAS A 15
DEGREE TEMPERATURE SPREAD BETWEEN THE LOW AND HIGH ENSEMBLE MEMBERS
SUNDAY AND MONDAY JUST TO GIVE AN EXAMPLE OF THE UNCERTAINTY. BUT...
IF THE LATEST MODEL FORECASTS ARE CORRECT...CURRENT FORECASTED TEMPS
ARE PROBABLY TO WARM...SKIES TO CLEAR AND WINDS TO LIGHT FOR THE
LAST HALF OF THE WEEKEND AND INTO THE EARLY PART OF NEXT WEEK.
&&

.FIRE WEATHER...CONTINUED FIRE WEATHER WATCH FOR WEDNESDAY AFTERNOON
AND EVENING FOR SAN BERNARDINO COUNTY AND DECIDED TO EXPAND THE
WATCH ACROSS FAR SOUTHERN NEVADA AND NORTHWEST ARIZONA. PRETTY
CONFIDENT ABOUT FREQUENT GUSTS OVER 35 MPH IN THOSE LOCATIONS. MODEL
GUIDANCE SUGGESTS MINIMUM RH LEVELS VERY CLOSE TO 15 PERCENT. THE
CONCERN IS THAT THE MODEL GUIDANCE DID NOT DEPICT THE SIGNIFICANT
DROP IN SURFACE DEWPOINTS EARLY THIS MORNING AND THOSE DEWPOINTS MAY
NOT RECOVER BACK TO VALUES THE GUIDANCE IS FORECASTING. IF THEY DO
REMAIN AS LOW AS THEY ARE NOW OR ONLY RISE A FEW DEGREES...MINIMUM
RH LEVELS WILL EASILY BE BELOW 15 PERCENT WEDNESDAY AFTERNOON.
&&

.AVIATION...NORTHWESTERLY WINDS BETWEEN 10 AND 15 KTS WILL PERSIST
THROUGH MID MORNING BEFORE DECREASING TO UNDER 10 KTS.

THE REST OF SOUTHERN NEVADA...NORTHWEST ARIZONA...AND SOUTHEAST
CALIFORNIA: WESTERN SAN BERNARDINO COUNTY WILL SEE WEST WINDS NEAR
20 KTS WITH GUSTS NEAR 30 KTS THROUGH THE MORNING HOURS BEFORE
DECREASING IN THE AFTERNOON. WINDS ACROSS THE REST OF THE FORECAST
AREA WILL BE NORTHERLY THROUGH THE MORNING THEN DECREASING AND
BECOMING WESTERLY IN THE AFTERNOON.
&&

.VEF WATCHES/WARNINGS/ADVISORIES...
.NV...WIND ADVISORY 11AM-8PM WED ZONE 22. LAKE WIND ADVISORY
      11AM-8PM WED ZONE 21. FIRE WEATHER WATCH WEDNESDAY AFTERNOON
      AND EVENING ZONES 465 AND 466.
.AZ...WIND ADVISORY 11AM-8PM WED ZONES 1 AND 3. LAKE WIND ADVISORY
      11AM-8PM WED ZONES 2 AND 36. FIRE WEATHER WATCH WEDNESDAY
      AFTERNOON AND EVENING ZONES 101 AND 102.
.CA...HIGH WIND WATCH ZONES 519 AND 520 TUE NIGHT THRU WED EVENING.
      HIGH WIND WATCH ZONES 523-526 FOR WED MORNING THRU THUR
      MORNING. FIRE WEATHER WATCH FOR FIRE ZONE 228 FOR WED
      AFTERNOON THRU WED EVENING.
&&

HARRISON/SALMEN

HTTP://WEATHER.GOV/LASVEGAS
Hazardous weather outlook, Apr 9, 6:23 AM PDT, 22 hours 7 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAS VEGAS NV
623 AM PDT MON APR 9 2007

AZZ001>003-036-CAZ519>527-NVZ014>022-100500-
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-
623 AM PDT MON APR 9 2007 /623 AM MST MON APR 9 2007/

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

.DAY ONE...TODAY AND TONIGHT

THE THREAT FOR HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

WEST TO SOUTHWEST WINDS WILL INCREASE WEDNESDAY AS A LOW PRESSURE
SYSTEM APPROACHES FROM THE NORTHWEST. PORTIONS OF INYO AND SAN
BERNARDINO COUNTIES MAY SEE WIND GUSTS APPROACHING 60 MPH WITH
AREAS OF BLOWING DUST WEDNESDAY AFTERNOON AND EVENING. THE
REMAINDER OF THE MOJAVE DESERT WILL ALSO SEE WINDY CONDITIONS WITH
GUSTS NEAR 40 MPH. IN ADDITION TO THE WINDS...A CHANCE FOR SHOWERS
AND THUNDERSTORMS WILL DEVELOP ACROSS THE SOUTHERN GREAT BASIN
WEDNESDAY AND WILL THEN SPREAD SOUTH ACROSS THE MOJAVE DESERT
WEDNESDAY NIGHT AND THURSDAY. THIS STORM SYSTEM WILL ALSO BRING
MUCH COOLER TEMPERATURES WITH HIGH TEMPERATURES ON THURSDAY
PERHAPS 20 DEGREES COOLER THAN THOSE SEEN TODAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 4:30 AM PDTLake Wind AdvisoryVEFSan Bernardino40 hr

Nearby

Wind Advisories in California, 2007Wind Advisories in Arizona, 2007Wind Advisories in Nevada, 2007Every wind advisory in 2007

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.