Alert archive / Nevada / High Wind Watches in 2009

High Wind Watch 7, NWS Las Vegas, NV

September 27, 2009Inyo County, California; Clark County, Lincoln County, Nye County, Nevada

NWS Las Vegas, NV issued this high wind watch at Sep 27, 2009, 2:05 PM PDT for Inyo County, California; Clark County, Lincoln County, Nye County, Nevada. It took effect at Sep 29, 2009, 12:00 PM PDT. It was in force for .

The area

The counties it named.

The facts

Issued
Sep 27, 2009, 2:05 PM PDT (21:05 UTC)
In effect from
Sep 29, 2009, 12:00 PM PDT
Expired
Sep 29, 2009, 3:50 AM PDT
In force
Issued by
NWS Las Vegas, NV

Counties Inyo County, CA, Clark County, NV, Lincoln County, NV, Nye County, NV

The radar

The Las Vegas radar (KESX), 182 km from the middle of the area, began a volume at 21:08 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 text

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

000 
WWUS75 KVEF 272105
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
205 PM PDT SUN SEP 27 2009

...STRONG AND GUSTY DOWNSLOPE WINDS MAY DEVELOP TUESDAY AFTERNOON
AND THROUGH THE NIGHT ACROSS THE EAST SLOPES OF THE SOUTHERN
SIERRA AND THE WESTERN PORTION OF THE OWENS VALLEY...

CAZ519-520-280515-
/O.NEW.KVEF.HW.A.0007.090929T1900Z-090930T1400Z/
EASTERN SIERRA SLOPES-OWENS VALLEY-
INCLUDING THE CITIES OF...ASPENDELL...MT WHITNEY...BISHOP...
INDEPENDENCE...LONE PINE
205 PM PDT SUN SEP 27 2009

...HIGH WIND WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH
WEDNESDAY MORNING FOR THE EASTERN SIERRA SLOPES AND THE OWENS
VALLEY...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH
WEDNESDAY MORNING. 

A STRONG PACIFIC STORM WILL MOVE INTO THE SOUTHERN SIERRA LATE
MONDAY AND TUESDAY AND THEN CROSS THE AREA TUESDAY NIGHT.
INCREASING SOUTHWEST WINDS AHEAD OF THIS STORM WILL LEAD TO THE
POTENTIAL FOR STRONG DOWNSLOPE WIND CONDITIONS ALONG THE EASTERN
SIERRA SLOPES AND THE WESTERN FOOTHILLS OF THE OWENS VALLEY
TUESDAY AFTERNOON AND THEN CONTINUING TUESDAY NIGHT.

WEST WINDS TO OVER 40 MPH WILL BE LIKELY BUT GUSTS TO OVER 60 MPH
ARE POSSIBLE DURING THIS TIME...ESPECIALLY THROUGH THE WEST TO
EAST CANYONS OF THE EAST SLOPES. MOTORISTS ALONG HIGHWAY 395
SHOULD ALSO BE AWARE THAT STRONG AND GUSTY CROSSWINDS MAY BE
ENCOUNTERED DURING THE PERIOD ALSO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
6 follow-up statements
000 
WWUS75 KVEF 280635
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1135 PM PDT SUN SEP 27 2009

...STRONG AND GUSTY DOWNSLOPE WINDS MAY DEVELOP TUESDAY AFTERNOON
AND CONTINUE THROUGH THE NIGHT ACROSS THE EAST SLOPES OF THE
SOUTHERN SIERRA AND THE WESTERN PORTION OF THE OWENS VALLEY...

CAZ519-520-281300-
/O.CON.KVEF.HW.A.0007.090929T1900Z-090930T1400Z/
EASTERN SIERRA SLOPES-OWENS VALLEY-
INCLUDING THE CITIES OF...ASPENDELL...MT WHITNEY...BISHOP...
INDEPENDENCE...LONE PINE
1135 PM PDT SUN SEP 27 2009

...HIGH WIND WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON
THROUGH WEDNESDAY MORNING...

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

A STRONG PACIFIC STORM WILL MOVE INTO THE SOUTHERN SIERRA LATE
MONDAY AND TUESDAY AND THEN CROSS THE AREA TUESDAY NIGHT.
INCREASING SOUTHWEST WINDS AHEAD OF THIS STORM WILL LEAD TO THE
POTENTIAL FOR STRONG DOWNSLOPE WIND CONDITIONS ALONG THE EASTERN
SIERRA SLOPES AND THE WESTERN FOOTHILLS OF THE OWENS VALLEY
TUESDAY AFTERNOON AND THEN CONTINUING TUESDAY NIGHT.

WEST WINDS TO OVER 40 MPH WILL BE LIKELY BUT GUSTS TO OVER 60 MPH
ARE POSSIBLE DURING THIS TIME...ESPECIALLY THROUGH THE WEST TO
EAST CANYONS OF THE EAST SLOPES. MOTORISTS ALONG HIGHWAY
395 SHOULD ALSO BE AWARE THAT STRONG AND GUSTY CROSSWINDS MAY BE
ENCOUNTERED DURING THE PERIOD ALSO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
000 
WWUS75 KVEF 281121
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
421 AM PDT MON SEP 28 2009

...STRONG AND GUSTY DOWNSLOPE WINDS MAY DEVELOP TUESDAY AFTERNOON
AND CONTINUE THROUGH THE NIGHT ACROSS THE EAST SLOPES OF THE
SOUTHERN SIERRA AND THE WESTERN PORTION OF THE OWENS VALLEY...

CAZ519-520-282300-
/O.CON.KVEF.HW.A.0007.090929T1900Z-090930T1400Z/
EASTERN SIERRA SLOPES-OWENS VALLEY-
INCLUDING THE CITIES OF...ASPENDELL...MT WHITNEY...BISHOP...
INDEPENDENCE...LONE PINE
421 AM PDT MON SEP 28 2009

...HIGH WIND WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON
THROUGH WEDNESDAY MORNING...

A HIGH WIND WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON
THROUGH EARLY WEDNESDAY MORNING FOR THE EAST SLOPES OF THE
SOUTHERN SIERRA AND THE OWENS VALLEY.

A STRONG PACIFIC STORM WILL MOVE INTO THE SOUTHERN SIERRA TUESDAY
AND THEN CROSS THE AREA TUESDAY NIGHT. INCREASING SOUTHWEST WINDS
AHEAD OF THIS STORM WILL LEAD TO THE POTENTIAL FOR STRONG
DOWNSLOPE WIND CONDITIONS ALONG THE EASTERN SIERRA SLOPES AND THE
WESTERN FOOTHILLS OF THE OWENS VALLEY TUESDAY AFTERNOON THROUGH
TUESDAY NIGHT.

WEST WINDS OVER 40 MPH WILL BE LIKELY AND GUSTS OVER 60 MPH ARE
POSSIBLE DURING THIS TIME...ESPECIALLY THROUGH THE WEST TO EAST
CANYONS OF THE SIERRA SLOPES. MOTORISTS ALONG HIGHWAY 395 SHOULD
ALSO BE AWARE THAT STRONG AND GUSTY CROSSWINDS MAY BE ENCOUNTERED
DURING THE PERIOD ALSO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
000 
WWUS75 KVEF 282209
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
309 PM PDT MON SEP 28 2009

...STRONG AND GUSTY WINDS MAY DEVELOP TUESDAY AFTERNOON AND
CONTINUE THROUGH THE NIGHT ACROSS THE ENTIRE FORECAST AREA WITH
THE STRONGEST WINDS RESULTING FROM DOWNSLOPE CONDITIONS ALONG THE
SIERRA...THE SPRING RANGE...AND THE SHEEP RANGE.......

AZZ001>003-036-CAZ521>527-NVZ014>017-020>022-290615-
/O.NEW.KVEF.WI.Y.0037.090929T1900Z-090930T1400Z/
NORTHWEST PLATEAU-LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-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-
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...BARSTOW...DAGGETT...FT IRWIN...BAKER...
MOJAVE NATIONAL PRESERVE...MORONGO VALLEY...YUCCA VALLEY...
JOSHUA TREE...TWENTYNINE PALMS...NEEDLES...BEATTY...GOLDFIELD...
SILVER PEAK...DYER...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
309 PM PDT MON SEP 28 2009 /309 PM MST MON SEP 28 2009/

...WIND ADVISORY IN EFFECT FROM NOON PDT /NOON MST/ TUESDAY TO
7 AM PDT /7 AM MST/ WEDNESDAY FOR CENTRAL AND SOUTHERN
NEVADA...SOUTHEASTERN CALIFORNIA...AND NORTHWEST ARIZONA...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM NOON PDT /NOON MST/ TUESDAY TO
7 AM PDT /7 AM MST/ WEDNESDAY FOR CENTRAL AND SOUTHERN
NEVADA...SOUTHEASTERN CALIFORNIA...AND NORTHWEST ARIZONA.

A STRONG PACIFIC STORM WILL MOVE INTO THE SOUTHWEST TUESDAY AND
ACROSS THE AREA TUESDAY NIGHT. STRONG SOUTHWEST WINDS AHEAD OF
THIS STORM WILL BRING COOLER THAN NORMAL TEMPERATURES AND WIND
GUSTS OVER 40 MPH ACROSS THE ENTIRE FORECAST AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 TO 39 MPH AND...OR WIND
GUSTS OF 40 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE
EXTRA CAUTION.

&&

$$

NVZ018-019-290615-
/O.EXA.KVEF.HW.A.0007.090929T1900Z-090930T1400Z/
SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-
INCLUDING...THE TOWN OF MT CHARLESTON
309 PM PDT MON SEP 28 2009

...HIGH WIND WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH
WEDNESDAY MORNING FOR THE SPRING MOUNTAINS AND SHEEP RANGE...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH
WEDNESDAY MORNING. 

A STRONG PACIFIC STORM WILL MOVE INTO THE SOUTHERN SIERRA TUESDAY
AND THEN CROSS THE AREA TUESDAY NIGHT. INCREASING SOUTHWEST WINDS
AHEAD OF THIS STORM WILL LEAD TO THE POTENTIAL FOR STRONG
DOWNSLOPE WIND CONDITIONS ALONG THE EASTERN SLOPES OF THE SPRING
AND SHEEP RANGES TUESDAY AFTERNOON THROUGH TUESDAY NIGHT.

WEST WINDS OVER 40 MPH WILL BE LIKELY AND GUSTS OVER 60 MPH ARE
POSSIBLE DURING THIS TIME...ESPECIALLY THROUGH THE WEST TO EAST
CANYONS OF THE SPRING MOUNTAINS AND SHEEP RANGE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

CAZ519-520-290615-
/O.CON.KVEF.HW.A.0007.090929T1900Z-090930T1400Z/
EASTERN SIERRA SLOPES-OWENS VALLEY-
INCLUDING THE CITIES OF...ASPENDELL...MT WHITNEY...BISHOP...
INDEPENDENCE...LONE PINE
309 PM PDT MON SEP 28 2009

...HIGH WIND WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON
THROUGH WEDNESDAY MORNING FOR THE EASTERN SIERRA AND OWENS VALLEY...

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

A STRONG PACIFIC STORM WILL MOVE INTO THE SOUTHERN SIERRA TUESDAY
AND THEN CROSS THE AREA TUESDAY NIGHT. INCREASING SOUTHWEST WINDS
AHEAD OF THIS STORM WILL LEAD TO THE POTENTIAL FOR STRONG
DOWNSLOPE WIND CONDITIONS ALONG THE EASTERN SIERRA SLOPES AND THE
WESTERN FOOTHILLS OF THE OWENS VALLEY TUESDAY AFTERNOON THROUGH
TUESDAY NIGHT.

WEST WINDS OVER 40 MPH WILL BE LIKELY AND GUSTS OVER 60 MPH ARE
POSSIBLE DURING THIS TIME...ESPECIALLY THROUGH THE WEST TO EAST
CANYONS OF THE SIERRA SLOPES. MOTORISTS ALONG HIGHWAY 395 SHOULD
ALSO BE AWARE THAT STRONG AND GUSTY CROSSWINDS MAY BE ENCOUNTERED
DURING THE PERIOD ALSO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LINDAMAN/GORELOW
000 
WWUS75 KVEF 290418
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
918 PM PDT MON SEP 28 2009

...STRONG WINDS WILL OCCUR ACROSS THE MOJAVE DESERT AND THE
SOUTHERN GREAT BASIN TUESDAY...

.AS AN EXTREMELY STRONG LOW PRESSURE SYSTEM MOVES IN FROM THE NORTHWEST
STRONG AND GUSTY WINDS WILL DEVELOP TUESDAY AFTERNOON AND CONTINUE
THROUGH THE NIGHT ACROSS THE ENTIRE FORECAST AREA WITH THE
STRONGEST WINDS RESULTING FROM DOWNSLOPE CONDITIONS ALONG THE
SIERRA...THE SPRING RANGE...AND THE SHEEP RANGE.

AZZ001>003-036-CAZ521>527-NVZ014>017-020>022-291300-
/O.CON.KVEF.WI.Y.0037.090929T1900Z-090930T1400Z/
NORTHWEST PLATEAU-LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-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-
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...BARSTOW...DAGGETT...FT IRWIN...BAKER...
MOJAVE NATIONAL PRESERVE...MORONGO VALLEY...YUCCA VALLEY...
JOSHUA TREE...TWENTYNINE PALMS...NEEDLES...BEATTY...GOLDFIELD...
SILVER PEAK...DYER...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
918 PM PDT MON SEP 28 2009 /918 PM MST MON SEP 28 2009/

...WIND ADVISORY REMAINS IN EFFECT FROM NOON PDT /NOON MST/
TUESDAY TO 7 AM PDT /7 AM MST/ WEDNESDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM NOON PDT /NOON MST/
TUESDAY TO 7 AM PDT /7 AM MST/ WEDNESDAY FOR CENTRAL AND SOUTHERN
NEVADA...SOUTHEASTERN CALIFORNIA...AND NORTHWEST ARIZONA.

A STRONG PACIFIC STORM WILL MOVE INTO THE NORTHWESTERN STATES TUESDAY
AND ACROSS THE AREA TUESDAY NIGHT AND WEDNESDAY. STRONG SOUTHWEST WINDS
AHEAD OF THIS STORM WILL BRING COOLER THAN NORMAL TEMPERATURES AND
WIND GUSTS OVER 40 MPH ACROSS THE ENTIRE FORECAST AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 TO 39 MPH AND...OR WIND
GUSTS OF 40 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE
EXTRA CAUTION.

&&

$$

CAZ519-520-NVZ018-019-291300-
/O.CON.KVEF.HW.A.0007.090929T1900Z-090930T1400Z/
EASTERN SIERRA SLOPES-OWENS VALLEY-SHEEP RANGE-SPRING MOUNTAINS-
RED ROCK CANYON-
INCLUDING THE CITIES OF...ASPENDELL...MT WHITNEY...BISHOP...
INDEPENDENCE...LONE PINE...THE TOWN OF MT CHARLESTON
918 PM PDT MON SEP 28 2009

...HIGH WIND WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON
THROUGH WEDNESDAY MORNING...

A HIGH WIND WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON
THROUGH WEDNESDAY MORNING FOR THE EASTERN SLOPES OF THE SOUTHERN
SIERRA...SPRING MOUNTAINS...RED ROCK CANYON AND THE SHEEP RANGE.

A STRONG PACIFIC STORM WILL MOVE INTO THE NORTHWESTERN STATES TUESDAY
AND THEN CROSS THE AREA TUESDAY NIGHT. INCREASING SOUTHWEST WINDS
AHEAD OF THIS STORM WILL LEAD TO THE POTENTIAL FOR STRONG
DOWNSLOPE WIND CONDITIONS ALONG THE EASTERN SIERRA SLOPES AND THE
WESTERN FOOTHILLS OF THE OWENS VALLEY TUESDAY AFTERNOON THROUGH
TUESDAY NIGHT.

THE POTENTIAL OF STRONG DOWNSLOPE WINDS ARE ALSO POSSIBLE ALONG
THE LEE OF THE SPRING MOUNTAINS AND SHEEP RANGE IN SOUTHER NEVADA
LATE TUESDAY NIGHT INTO EARLY WEDNESDAY MORNING. 

WEST WINDS OVER 40 MPH WILL BE LIKELY AND GUSTS OVER 60 MPH ARE
POSSIBLE...ESPECIALLY THROUGH THE WEST TO EAST CANYONS OF THE
SIERRA SLOPES. MOTORISTS ALONG HIGHWAY 395 SHOULD ALSO BE AWARE
THAT STRONG AND GUSTY CROSSWINDS MAY BE ENCOUNTERED DURING THE
PERIOD ALSO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PIERCE/LABELLE
000 
WWUS75 KVEF 290428 CCA
NPWVEF

URGENT - WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE LAS VEGAS NV
918 PM PDT MON SEP 28 2009

...STRONG WINDS WILL OCCUR ACROSS THE MOJAVE DESERT AND THE
SOUTHERN GREAT BASIN TUESDAY...

.AS AN EXTREMELY STRONG LOW PRESSURE SYSTEM MOVES IN FROM THE 
NORTHWEST STRONG AND GUSTY WINDS WILL DEVELOP TUESDAY AFTERNOON AND 
CONTINUE THROUGH THE NIGHT ACROSS THE ENTIRE FORECAST AREA WITH THE 
STRONGEST WINDS RESULTING FROM DOWNSLOPE CONDITIONS ALONG THE 
SIERRA...THE SPRING RANGE...AND THE SHEEP RANGE.

AZZ001>003-036-CAZ521>527-NVZ014>017-020>022-291300-
/O.CON.KVEF.WI.Y.0037.090929T1900Z-090930T1400Z/
NORTHWEST PLATEAU-LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-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-
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...BARSTOW...DAGGETT...FT IRWIN...BAKER...
MOJAVE NATIONAL PRESERVE...MORONGO VALLEY...YUCCA VALLEY...
JOSHUA TREE...TWENTYNINE PALMS...NEEDLES...BEATTY...GOLDFIELD...
SILVER PEAK...DYER...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
918 PM PDT MON SEP 28 2009 /918 PM MST MON SEP 28 2009/

...WIND ADVISORY REMAINS IN EFFECT FROM NOON PDT /NOON MST/
TUESDAY TO 7 AM PDT /7 AM MST/ WEDNESDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM NOON PDT /NOON MST/
TUESDAY TO 7 AM PDT /7 AM MST/ WEDNESDAY FOR CENTRAL AND SOUTHERN
NEVADA...SOUTHEASTERN CALIFORNIA...AND NORTHWEST ARIZONA.

A STRONG PACIFIC STORM WILL MOVE INTO THE NORTHWESTERN STATES TUESDAY
AND ACROSS THE AREA TUESDAY NIGHT AND WEDNESDAY. STRONG SOUTHWEST 
WINDS AHEAD OF THIS STORM WILL BRING COOLER THAN NORMAL TEMPERATURES 
AND WIND GUSTS OVER 40 MPH ACROSS THE ENTIRE FORECAST AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 TO 39 MPH AND...OR WIND
GUSTS OF 40 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE
EXTRA CAUTION.

&&

$$

CAZ519-520-NVZ018-019-291300-
/O.CON.KVEF.HW.A.0007.090929T1900Z-090930T1400Z/
EASTERN SIERRA SLOPES-OWENS VALLEY-SHEEP RANGE-SPRING MOUNTAINS-
RED ROCK CANYON-
INCLUDING THE CITIES OF...ASPENDELL...MT WHITNEY...BISHOP...
INDEPENDENCE...LONE PINE...THE TOWN OF MT CHARLESTON
918 PM PDT MON SEP 28 2009

...HIGH WIND WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON
THROUGH WEDNESDAY MORNING...

A HIGH WIND WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON
THROUGH WEDNESDAY MORNING FOR THE EASTERN SLOPES OF THE SOUTHERN
SIERRA...SPRING MOUNTAINS...RED ROCK CANYON AND THE SHEEP RANGE.

A STRONG PACIFIC STORM WILL MOVE INTO THE NORTHWESTERN STATES TUESDAY
AND THEN CROSS THE AREA TUESDAY NIGHT. INCREASING SOUTHWEST WINDS
AHEAD OF THIS STORM WILL LEAD TO THE POTENTIAL FOR STRONG
DOWNSLOPE WIND CONDITIONS ALONG THE EASTERN SIERRA SLOPES AND THE
WESTERN FOOTHILLS OF THE OWENS VALLEY TUESDAY AFTERNOON THROUGH
TUESDAY NIGHT.

THE POTENTIAL OF STRONG DOWNSLOPE WINDS ARE ALSO POSSIBLE ALONG
THE LEE OF THE SPRING MOUNTAINS AND SHEEP RANGE IN SOUTHERN NEVADA
LATE TUESDAY NIGHT INTO EARLY WEDNESDAY MORNING. 

WEST WINDS OVER 40 MPH WILL BE LIKELY AND GUSTS OVER 60 MPH ARE
POSSIBLE...ESPECIALLY THROUGH THE WEST TO EAST CANYONS OF THE
SIERRA SLOPES. MOTORISTS ALONG HIGHWAY 395 SHOULD ALSO BE AWARE
THAT STRONG AND GUSTY CROSSWINDS MAY BE ENCOUNTERED DURING THE
PERIOD ALSO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PIERCE/LABELLE
000 
WWUS75 KVEF 291050
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
350 AM PDT TUE SEP 29 2009

...STRONG WINDS WILL OCCUR ACROSS THE MOJAVE DESERT AND THE
SOUTHERN GREAT BASIN TODAY AND TONIGHT...

.AS AN EXTREMELY STRONG LOW PRESSURE SYSTEM MOVES IN FROM THE
NORTHWEST STRONG AND GUSTY WINDS WILL DEVELOP THIS AFTERNOON AND
CONTINUE THROUGH THE NIGHT ACROSS THE ENTIRE FORECAST AREA.
THE STRONGEST WINDS WILL OCCUR FROM DOWNSLOPE CONDITIONS ALONG
EAST FACING SLOPES OF THE SOUTHERN SIERRA AND THE SPRING MOUNTAINS
AND SHEEP RANGE IN SOUTHERN NEVADA.

NVZ018-019-291900-
/O.UPG.KVEF.HW.A.0007.090929T1900Z-090930T1400Z/
/O.NEW.KVEF.HW.W.0011.090930T0400Z-090930T1100Z/
/O.EXB.KVEF.WI.Y.0037.090929T1900Z-090930T0400Z/
SHEEP RANGE-SPRING MOUNTAINS-RED ROCK CANYON-
INCLUDING...THE TOWN OF MT CHARLESTON
350 AM PDT TUE SEP 29 2009

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM PDT THIS
EVENING...
...HIGH WIND WARNING IN EFFECT FROM 9 PM THIS EVENING TO 4 AM PDT
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 4 AM PDT
WEDNESDAY FOR THE SPRING MOUNTAINS...RED ROCK CANYON AND SHEEP
RANGE. A WIND ADVISORY HAS ALSO BEEN ISSUED. THIS WIND ADVISORY
IS IN EFFECT FROM NOON TODAY TO 9 PM PDT THIS EVENING. THESE
REPLACE THE HIGH WIND WATCH PREVIOUSLY IN EFFECT.

SOUTHWEST WINDS GUSTING BETWEEN 40 AND 50 MPH WILL DEVELOP THIS
AFTERNOON. WINDS WILL INCREASE SIGNIFICANTLY THIS EVENING AND
CONTINUE OVERNIGHT WITH GUSTS OVER 60 MPH EXPECTED IN RED ROCK
CANYON AND THE LOWER EAST FACING SLOPES OF OF THE SPRING
MOUNTAINS. THIS MAY IMPACT SECTIONS OF SUMMERLIN AND OTHER
NEIGHBORHOODS THAT ARE LOCATED NEAR THE FOOTHILLS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

CAZ519-520-291900-
/O.UPG.KVEF.HW.A.0007.090929T1900Z-090930T1400Z/
/O.NEW.KVEF.HW.W.0011.090929T1900Z-090930T1100Z/
EASTERN SIERRA SLOPES-OWENS VALLEY-
INCLUDING THE CITIES OF...ASPENDELL...MT WHITNEY...BISHOP...
INDEPENDENCE...LONE PINE
350 AM PDT TUE SEP 29 2009

...HIGH WIND WARNING IN EFFECT FROM NOON TODAY TO 4 AM PDT
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A HIGH WIND
WARNING FOR THE EASTERN SIERRA SLOPES AND OWENS VALLEY...WHICH IS
IN EFFECT FROM NOON TODAY TO 4 AM PDT WEDNESDAY. THIS REPLACES THE
HIGH WIND WATCH PREVIOUSLY IN EFFECT.

STRONG DOWNSLOPE WINDS WILL OCCUR ALONG THE EASTERN SIERRA SLOPES
AND THE WESTERN FOOTHILLS OF THE OWENS VALLEY THIS AFTERNOON
THROUGH TONIGHT.

WEST WINDS GUSTING OVER 60 MPH ARE EXPECTED...ESPECIALLY THROUGH
THE WEST TO EAST CANYONS OF THE SIERRA SLOPES. MOTORISTS ALONG
HIGHWAY 395 SHOULD BE AWARE THAT STRONG AND GUSTY CROSSWINDS MAY
BE ENCOUNTERED DURING THE WARNING PERIOD. THESE CONDITIONS WILL
MAKE TRAVEL HAZARDOUS...ESPECIALLY FOR HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AZZ001>003-036-CAZ521>524-527-NVZ014>017-020>022-291900-
/O.EXT.KVEF.WI.Y.0037.090929T1900Z-090930T1100Z/
NORTHWEST PLATEAU-LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-WHITE MOUNTAINS OF INYO COUNTY-
DEATH VALLEY NATIONAL PARK-WESTERN MOJAVE DESERT-
EASTERN MOJAVE DESERT-SAN BERNARDINO COUNTY-
UPPER COLORADO RIVER VALLEY-ESMERALDA AND CENTRAL NYE COUNTY-
LINCOLN COUNTY-NORTHEAST CLARK COUNTY-
WESTERN CLARK AND SOUTHERN NYE COUNTY-LAS VEGAS VALLEY-
SOUTHERN CLARK COUNTY-
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...BARSTOW...DAGGETT...FT IRWIN...BAKER...
MOJAVE NATIONAL PRESERVE...NEEDLES...BEATTY...GOLDFIELD...
SILVER PEAK...DYER...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
350 AM PDT TUE SEP 29 2009 /350 AM MST TUE SEP 29 2009/

...WIND ADVISORY NOW IN EFFECT FROM NOON PDT /NOON MST/ TODAY TO
4 AM PDT /4 AM MST/ WEDNESDAY...

THE WIND ADVISORY IS NOW IN EFFECT FROM NOON PDT /NOON MST/ TODAY
TO 4 AM PDT /4 AM MST/ WEDNESDAY FOR MUCH OF SOUTHERN
NEVADA...NORTHWEST ARIZONA AND THE MOJAVE DESERT IN SOUTHEAST
CALIFORNIA.

WIDESPREAD SOUTHWEST WINDS GUSTING BETWEEN 40 AND 50 MPH WILL
DEVELOP THIS AFTERNOON AND CONTINUE MUCH OF THE NIGHT BEFORE
DECREASING AND BECOMING NORTHWEST EARLY WEDNESDAY MORNING. AREAS
OF BLOWING DUST WILL OCCUR AND COULD REDUCE VISIBILITY NEAR
FAVORABLE AREAS SUCH AS DRY LAKE BEDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

STRONG WINDS IN EXCESS OF 30 MPH WILL CREATE DANGEROUS BOATING
CONDITIONS ON AREA LAKES DURING THE ADVISORY PERIOD.

&&

$$

CAZ525-526-291900-
/O.EXT.KVEF.WI.Y.0037.090929T1900Z-090930T1600Z/
MORONGO BASIN-CADIZ BASIN-
INCLUDING THE CITIES OF...MORONGO VALLEY...YUCCA VALLEY...
JOSHUA TREE...TWENTYNINE PALMS
350 AM PDT TUE SEP 29 2009

...WIND ADVISORY NOW IN EFFECT FROM NOON TODAY TO 9 AM PDT
WEDNESDAY...

THE WIND ADVISORY IS NOW IN EFFECT FROM NOON TODAY TO 9 AM PDT
WEDNESDAY FOR THE DESERTS OF SOUTHERN SAN BERNARDINO COUNTY... 

SOUTHWEST WINDS GUSTING OVER 40 MPH WILL DEVELOP THIS AFTERNOON
THEN BECOME NORTHWEST TONIGHT THROUGH EARLY WEDNESDAY MORNING.
AREAS OF BLOWING DUST WILL OCCUR AND COULD REDUCE VISIBILITY NEAR
FAVORABLE AREAS SUCH AS DRY LAKE BEDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

JA

What forecasters said that day

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

NWS Las Vegas, NV wrote its last area forecast discussion before this high wind watch went out at Sep 27, 8:45 AM PDT, 5 hours 20 minutes earlier.

Area forecast discussion, Sep 27, 8:45 AM PDT, 5 hours 20 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
845 AM PDT SUN SEP 27 2009

.SYNOPSIS...HIGH PRESSURE WILL REMAIN OVER THE WEST TODAY THEN BEGIN
TO SHIFT INTO THE CENTRAL STATES MONDAY. A STRONG LOW PRESSURE
SYSTEM MOVING INTO THE WEST COAST WILL BRING GUSTY WINDS AND COOL
UNSETTLED WEATHER TO THE ENTIRE AREA TUESDAY AND WEDNESDAY. HIGH
TEMPERATURES WILL DROP 20 TO 25 DEGREES BETWEEN MONDAY AND WEDNESDAY.
MOISTURE WILL BE LIMITED AND ANY SHOWERS WILL MAINLY BE CONFINED TO
THE SOUTHERN SIERRA AND THE MOUNTAINS OF SOUTH CENTRAL NEVADA AND
NORTHWEST ARIZONA.
&&

.UPDATE...RIDGE TO BE TRANSITIONING EAST ACROSS THE CWA TODAY FOR
ANOTHER WARM AND DRY DAY ACROSS THE CWA. EXPECT AFTERNOON HIGHS TO
BE SIMILAR TO THOSE ON SATURDAY...RESULTING IN NEAR RECORD OR RECORD
TEMPERATURES ACROSS THE LOWER VALLEY LOCATIONS. OVERALL CURRENT
FORECAST ON TRACK. NO UPDATES PLANNED FOR THIS MORNING.
&&

.PREV DISCUSSION...350 AM PDT SHORT TERM...TODAY THROUGH
TUESDAY...THE PERSISTENT RIDGE DOMINATED PATTERN WILL HOLD FOR ONE
MORE DAY THEN TRANSITION MONDAY INTO THE DRAMATIC CHANGE COMING
TUESDAY AND TUESDAY NIGHT. THE UPPER LOW CURRENTLY IN THE GULF OF
ALASKA WILL DIVE SOUTH AND SWING INTO THE WEST COAST TUESDAY
BRINGING WIDESPREAD GUSTY WINDS. THE 00Z GFS...ECMWF AND CANADIAN
ARE IN GOOD AGREEMENT WITH THE EVOLUTION OF THIS SYSTEM WHILE THE
THE NAM LAGS WITH THE INLAND PROGRESSION TUESDAY. THE FORECAST IS
BASED MAINLY ON THE 00Z GFS SOLUTION WHICH IS FAIRLY CONSISTENT WITH
PREVIOUS RUNS. THE MAIN ISSUE WILL BE WIDESPREAD WINDS WITH
POTENTIAL DOWNSLOPE CONDITIONS DEVELOPING ALONG THE EAST SLOPES OF
THE SOUTHERN SIERRA TUESDAY AND POSSIBLY THE SPRING MOUNTAINS
TUESDAY NIGHT. THE GFS DOES PULL SOME MID LEVEL SUBTROPICAL MOISTURE
ACROSS SOUTHERN NEVADA AND NORTHWEST ARIZONA TUESDAY AFTERNOON AND
EVENING BUT THE ECMWF IS DRIER. SATELLITE IMAGERY SHOWS SOME
MOISTURE AVAILABLE OVER THE EASTERN PACIFIC BUT FOR NOW CONFIDENCE
IS LOW IN ANY PRECIPITATION EXCEPT NORTHERN MOHAVE COUNTY. WE SHOULD
SEE RECORD HIGH TEMPS AGAIN TODAY AT MAINLY SOUTHEAST CALIFORNIA
SITES FOLLOWED BY SLIGHTLY LOWER TEMPS MONDAY AND 5-10 DEGREES OF
COOLING TUESDAY.

.LONG TERM...THE NEWEST MODEL GUIDANCE IS GENERALLY IN GOOD
AGREEMENT AT MOVING THE BASE OF THE 500 MB TROUGH AS WELL AS THE
ASSOCIATED SURFACE COLD FRONT THROUGH THE MOJAVE DESERT AND SOUTHERN
GREAT BASIN ON WEDNESDAY MORNING. GFS BUFR SOUNDINGS CONTINUE TO
SHOW WELL ALIGNED WINDFIELDS THROUGH 12Z WEDNESDAY WITH 50 KT WINDS
AS LOW AS 600 MB AT BISHOP AND 750 MB AT LAS VEGAS. THUS EXPECT THAT
GUSTY WEST TO SOUTHWEST WINDS - WITH A GOOD POSSIBILITY OF THEM
PUSHING ADVISORY LEVEL - WILL STILL BE AFFECTING PARTS OF THE AREA
THEN. ONE CONCERN WILL BE THE POTENTIAL FOR DOWNSLOPE WINDS IN THE
LEE OF THE SPRING MOUNTAIN RANGE AS THINGS MAY SET UP AT THE
CLIMATOLOGICALLY FAVORED TIME OF DAY FOR THIS TO HAPPEN. ONCE THE
TROUGH AXIS AND COLD FRONT SWING THROUGH WEDNESDAY MORNING WINDS
WILL SHIFT TO THE NORTHWEST AND LESSEN EXCEPT ACROSS THE FAVORED
SPOTS OF CENTRAL NYE COUNTY. WITH GOOD COLD AIR ADVECTION TAKING
PLACE TEMPS WILL CRASH SHARPLY AND HIGHS WEDNESDAY AFTERNOON ARE
EXPECTED TO DROP AROUND 10 TO 15 DEGREES FROM TUESDAY...USHERING
SEPTEMBER OUT ON A RATHER FALL-LIKE NOTE.

DRY NORTHWEST FLOW SETS UP FOR THURSDAY INTO FRIDAY. TEMPS WILL
STILL BE BELOW NORMAL ON THURSDAY AND THEN MODERATE CLOSER TO NORMAL
VALUES FOR FRIDAY. WITH THE SYSTEM EJECTING EAST TOWARDS THE ROCKIES
ON THURSDAY NORTH-NORTHEAST SURFACE PRESSURE GRADIENTS WILL SET UP
AND FAVOR BREEZY CONDITIONS IN FAVORED SPOTS IN LINCOLN COUNTY AND
DOWN THE COLORADO RIVER VALLEY.

BY NEXT SATURDAY ANY WARMING TRENDS SHOULD LIKELY PEAK AS ANOTHER
UPPER LOW DIVES INTO THE PAC NW AND SETS UP A SOUTHWEST FLOW AHEAD
OF IT ACROSS OUR AREA. DETAILS OF THE NEXT SYSTEM REMAIN SKETCHY BUT
THE MAIN IDEA LOOKS TO BE SOME SORT OF UPPER LOW THAT SITS OVER THE
PAC NW WITH PIECES OF ENERGY ROTATING AROUND THE MAIN LOW. MOST OF
THIS ENERGY WILL REMAIN NORTH OF OUR AREA...BUT SOME MAY BRUSH OUR
NORTHERN CWFA AND TOUCH OFF A FEW SHOWERS BY SUNDAY. WINDS WILL ALSO
LIKELY PICK UP AGAIN ON SATURDAY AFTERNOON AND ESPECIALLY BY SUNDAY.
BY SUNDAY AS THE UPPER TROUGH DEEPENS OVER THE WESTERN U.S. TEMPS
WILL ONCE AGAIN BEGIN TO LOWER.
&&

.AVIATION...FOR MCCARRAN...WINDS WILL MAINLY BE UNDER 10 KTS AND
FOLLOW DIURNAL DIRECTIONAL TRENDS THROUGH TONIGHT WITH A CLEAR SKY.
A SHIFT IN THE UPPER LEVEL WINDS TO THE EAST TO SOUTHEAST TODAY
SHOULD KEEP OUT ANY SMOKE LAYERS FROM FOREST FIRES IN NORTHERN
NEVADA.

FOR THE REST OF SOUTHERN NEVADA...NORTHWEST ARIZONA...AND SOUTHEAST
CALIFORNIA...WINDS WILL MAINLY BE 10 KTS OR LESS THROUGH TONIGHT AND
FOLLOW NORMAL DIURNAL DIRECTIONAL TRENDS. A MAINLY CLEAR SKY IS
EXPECTED.
&&

.FIRE WEATHER...THE STRONG RIDGE OVER THE DISTRICT TODAY WILL
GIVE WAY TO A STRONG INCOMING PACIFIC TROUGH MONDAY AND TUESDAY.
THIS WILL RESULT IN AN INCREASE IN THE WINDS ACROSS THE AREA WITH
LOCALLY BREEZY CONDITIONS ON MONDAY...THEN WIDESPREAD GUSTY WINDS
TUESDAY. WIND GUSTS WILL LIKELY EXCEED 35 MPH ACROSS MUCH OF THE
AREA TUESDAY AFTERNOON AND CONTINUE INTO EARLY WEDNESDAY. IN
ADDITION RELATIVE HUMIDITY VALUES ARE EXPECTED TO BE AT OR BELOW 15
PERCENT OVER MUCH OF THE AREA TUESDAY AFTERNOON AND IN THE EARLY
EVENING. CRITICAL FIRE CONDITIONS MAY BE MET OVER MUCH OF THE AREA
TUESDAY.
&&

.VEF WATCHES/WARNINGS/ADVISORIES...
NV...NONE.
AZ...NONE.
CA...NONE.
&&

JENSEN/ADAIR/STACHELSKI

HTTP://WEATHER.GOV/LASVEGAS
Hazardous weather outlook, Sep 27, 5:54 AM PDT, 8 hours 11 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAS VEGAS NV
554 AM PDT SUN SEP 27 2009

AZZ001>003-036-CAZ519>527-NVZ014>022-280700-
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-
554 AM PDT SUN SEP 27 2009 /554 AM MST SUN SEP 27 2009/

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

.DAY ONE...TODAY AND TONIGHT

HAZARDOUS WEATHER IS NOT EXPECTED.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

WIDESPREAD GUSTY SOUTHWEST WINDS WILL DEVELOP ACROSS MOST OF THE
REGION TUESDAY AS A STRONG PACIFIC STORM SWINGS INTO THE WEST
COAST. MOISTURE WILL BE LIMITED WITH THIS SYSTEM AND HAZARDOUS
FIRE WEATHER CONDITIONS ARE LIKELY ACROSS MUCH OF THE REGION
TUESDAY AFTERNOON AND EVENING. STRONG DOWNSLOPE WINDS ARE POSSIBLE
ALONG THE EAST SLOPES OF THE SOUTHERN SIERRA TUESDAY AFTERNOON AND
FOR THE SPRING MOUNTAINS OF SOUTHERN NEVADA TUESDAY NIGHT. GUSTY
WINDS WILL SHIFT FROM SOUTHWEST TO NORTH TUESDAY NIGHT AND EARLY
WEDNESDAY BEHIND A COLD FRONT THAT WILL SWEEP ACROSS THE REGION
AND BRING A DRAMATIC DROP IN TEMPERATURES. WINDS WILL GRADUALLY
DECREASE THURSDAY AND FRIDAY.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

JA

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 27, 2:05 PM PDTFire Weather WatchVEFInyo, San Bernardino, Tulare26 hr

Nearby

High Wind Watches in Nevada, 2009High Wind Watches in California, 2009Every high wind watch 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; radar from the NEXRAD Level II archive.