Alert archive / Nevada / High Wind Warnings in 2009

High Wind Warning 14, NWS Las Vegas, NV

October 26, 2009Mohave County, Arizona; Inyo County, San Bernardino County, California; 4 counties in Nevada

NWS Las Vegas, NV issued this high wind warning at Oct 26, 2009, 3:02 PM MST for Mohave County, Arizona; Inyo County, San Bernardino County, California; 4 counties in Nevada. It took effect at Oct 27, 2009, 12:00 AM MST. It was in force for 15 hr. 4 reports came from inside the area while it was in force.

The area

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

The facts

Issued
Oct 26, 2009, 3:02 PM MST (22:02 UTC)
In effect from
Oct 27, 2009, 12:00 AM MST
Expired
Oct 27, 2009, 3:08 PM MST
In force
15 hr
Issued by
NWS Las Vegas, NV

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

The radar

The Las Vegas radar (KESX), 142 km from the middle of the area, began a volume at 22:07 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Oct 27, 3:10 AM MSTNON-TSTM WND GST 623 Wsw Independence, CAMEASURED AT SIERRA ROTORS SITE NUMBER 2 LOCATED AT ELEVATION OF 4842 FEET.
Oct 27, 6:56 AM MSTNON-TSTM WND GST 592 E Bishop, CA
Oct 27, 9:51 AM MSTNON-TSTM WND GST 604 W Rimrock, CAA PEAK WIND GUST OF 60 MPH WAS MEASURED BY THE BURNS CANYON RAWS AT 0951 PDT. SUSTAINED WINDS WERE AS HIGH AS 30 MPH.
Oct 27, 10:51 AM MSTHIGH SUST WINDS 42N Squaw Springs Raws, CA

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 12:00Z, 10.0 hours before the alert went out and 11 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 12:00Z on 2009-10-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Mercury/Desert R, NV at 12:00Z on 2009-10-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
4418 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
61 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 262202
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
302 PM PDT MON OCT 26 2009

CAZ519-520-270615-
/O.UPG.KVEF.HW.A.0010.091027T1200Z-091028T0000Z/
/O.NEW.KVEF.HW.W.0014.091027T0700Z-091028T0700Z/
EASTERN SIERRA SLOPES-OWENS VALLEY-
INCLUDING THE CITIES OF...ASPENDELL...MT WHITNEY...BISHOP...
INDEPENDENCE...LONE PINE
302 PM PDT MON OCT 26 2009

...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT
PDT TUESDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A HIGH WIND
WARNING FOR THE EASTERN SIERRA SLOPES AND THE OWENS VALLEY...WHICH
IS IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT PDT TUESDAY NIGHT.
THIS WARNING REPLACES THE HIGH WIND WATCH.

A POWERFUL LOW PRESSURE SYSTEM AND AN ASSOCIATED COLD FRONT WILL
MOVE INTO THE AREA ON TUESDAY AND RESULT IN VERY STRONG WINDS.
EARLY IN THE MORNING...STRONG DOWNSLOPE WINDS WILL DEVELOP AHEAD
OF THE SYSTEM...WITH GUSTS OVER 80 MPH POSSIBLE AT HIGHER
ELEVATIONS AND OVER 65 MPH POSSIBLE FURTHER DOWN THE EASTERN
SLOPES OF THE SIERRA AND TO THE VALLEY FLOOR. BY
MID MORNING THE WINDS WILL SHIFT TO THE NORTH BEHIND THE COLD
FRONT...BUT REMAIN AT WARNING LEVELS AS HIGHER ELEVATIONS ARE
AFFECTED BY STRONG WINDS ALOFT AND LOWER ELEVATIONS EXPERIENCE
STRONGER WINDS DUE TO FUNNELING EFFECTS OF VALLEYS. WINDS ARE
EXPECTED TO BEGIN TO DECREASE LATE TUESDAY EVENING...BUT WILL
REMAIN STRONG THROUGH THE NIGHT...AND AN ADVISORY MAY BE NEEDED ON
WEDNESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

DRIVERS OF VANS...CAMPERS...TRAILERS...AND OTHER HIGH-PROFILE
VEHICLES SHOULD BE ALERT TO THE DANGER OF THESE WINDS...ESPECIALLY
WHEN DRIVING ALONG HIGHWAY 395.

&&

$$

CAZ521-270615-
/O.UPG.KVEF.HW.A.0010.091027T1800Z-091028T0600Z/
/O.NEW.KVEF.HW.W.0014.091027T0700Z-091028T0700Z/
WHITE MOUNTAINS OF INYO COUNTY-
302 PM PDT MON OCT 26 2009

...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT
PDT TUESDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A HIGH WIND
WARNING FOR THE WHITE MOUNTAINS OF INYO COUNTY...WHICH IS IN
EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT PDT TUESDAY NIGHT. THIS
WARNING REPLACES THE HIGH WIND WATCH.

A POWERFUL LOW PRESSURE SYSTEM AND AN ASSOCIATED COLD FRONT WILL
MOVE INTO THE AREA ON TUESDAY AND RESULT IN VERY STRONG WINDS.
EARLY IN THE MORNING...STRONG DOWNSLOPE WINDS WILL DEVELOP AHEAD
OF THE SYSTEM...WITH GUSTS OVER 80 MPH POSSIBLE AT HIGHER
ELEVATIONS AND OVER 65 MPH POSSIBLE FURTHER DOWN THE EASTERN
SLOPES THE WHITE MOUNTAINS. BY MID MORNING THE WINDS WILL SHIFT TO
THE NORTH BEHIND THE COLD FRONT...BUT REMAIN AT WARNING LEVELS
AS STRONG WINDS ALOFT CONTINUE TO IMPACT HIGHER ELEVATIONS. WINDS
ARE EXPECTED TO BEGIN TO DECREASE LATE TUESDAY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

$$

AZZ001>003-036-CAZ522>527-NVZ014>022-270615-
/O.UPG.KVEF.HW.A.0010.091027T1800Z-091028T0600Z/
/O.NEW.KVEF.HW.W.0014.091027T1400Z-091028T0700Z/
NORTHWEST PLATEAU-LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK-
WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN-
CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
ESMERALDA AND CENTRAL NYE COUNTY-LINCOLN COUNTY-
NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY-
SHEEP RANGE-SPRING MOUNTAINS-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...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...THE TOWN OF MT CHARLESTON...
LAS VEGAS...NORTH LAS VEGAS...HENDERSON...BOULDER CITY...
LAUGHLIN...BULLHEAD CITY...HOOVER DAM...PRIMM...JEAN...
SEARCHLIGHT...CAL-NEV-ARI
302 PM PDT MON OCT 26 2009 /302 PM MST MON OCT 26 2009/

...HIGH WIND WARNING IN EFFECT FROM 7 AM PDT /7 AM MST/ TUESDAY
TO MIDNIGHT PDT /MIDNIGHT MST/ TUESDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A HIGH WIND
WARNING FOR THE SOUTHERN GREAT BASIN AND MOJAVE DESERT...WHICH IS IN
EFFECT FROM 7 AM PDT /7 AM MST/ TUESDAY TO MIDNIGHT PDT /MIDNIGHT
MST/ TUESDAY NIGHT. THIS REPLACES THE HIGH WIND WATCH.

A POWERFUL LOW PRESSURE SYSTEM AND ASSOCIATED COLD FRONT WILL
MOVE ACROSS THE AREA TUESDAY AND TUESDAY NIGHT. WINDS WILL
INITIALLY INCREASE DURING THE MORNING OUT OF THE SOUTHWEST AS THE
FRONTAL SYSTEM APPROACHES WITH ADVISORY LEVEL WINDS LIKELY PRIOR
TO FRONTAL PASSAGE. DURING AND AFTER FRONTAL PASSAGE...WINDS WILL
BECOME NORTHWESTERLY AND STRENGTHEN CONSIDERABLY. SUSTAINED WINDS
REACHING THE 35 TO 45 MPH RANGE WITH GUSTS AS HIGH AS 60 MPH ARE
LIKELY WITH HIGHER GUSTS OVER EXPOSED MOUNTAIN LOCATIONS. WINDS
WILL BEGIN TO DECREASE OVERNIGHT ON TUESDAY...HOWEVER WINDS WILL
REMAIN STRONG...AND A WIND ADVISORY MAY BE NEEDED THROUGH
WEDNESDAY AFTER THE PERIOD OF WARNING LEVEL WINDS ENDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
4 follow-up statements
000 
WWUS75 KVEF 270558
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1058 PM PDT MON OCT 26 2009

CAZ519>521-271400-
/O.CON.KVEF.HW.W.0014.091027T0700Z-091028T0700Z/
EASTERN SIERRA SLOPES-OWENS VALLEY-WHITE MOUNTAINS OF INYO COUNTY-
INCLUDING THE CITIES OF...ASPENDELL...MT WHITNEY...BISHOP...
INDEPENDENCE...LONE PINE
1058 PM PDT MON OCT 26 2009

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT TUESDAY
NIGHT...

A HIGH WIND WARNING REMAINS IN EFFECT FOR THE EASTERN SIERRA
SLOPES...THE OWENS VALLEY AND THE WHITE MOUNTAINS OF INYO COUNTY
UNTIL MIDNIGHT PDT TUESDAY NIGHT.

A POWERFUL LOW PRESSURE SYSTEM AND AN ASSOCIATED COLD FRONT WILL
MOVE INTO THE AREA ON TUESDAY AND RESULT IN VERY STRONG WINDS.
EARLY IN THE MORNING...STRONG DOWNSLOPE WINDS WILL DEVELOP AHEAD
OF THE SYSTEM...WITH GUSTS OVER 80 MPH POSSIBLE AT HIGHER
ELEVATIONS AND OVER 65 MPH POSSIBLE FURTHER DOWN THE EASTERN
SLOPES OF THE SIERRA AND TO THE VALLEY FLOOR. BY MID MORNING THE
WINDS WILL SHIFT TO THE NORTH BEHIND THE COLD FRONT...BUT REMAIN
AT WARNING LEVELS AS HIGHER ELEVATIONS ARE AFFECTED BY STRONG
WINDS ALOFT AND LOWER ELEVATIONS EXPERIENCE STRONGER WINDS DUE TO
FUNNELING EFFECTS OF VALLEYS. WINDS ARE EXPECTED TO BEGIN TO
DECREASE LATE TUESDAY EVENING...BUT WILL REMAIN STRONG THROUGH
THE NIGHT...AND AN ADVISORY MAY BE NEEDED ON WEDNESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

DRIVERS OF VANS...CAMPERS...TRAILERS...AND OTHER HIGH-PROFILE
VEHICLES SHOULD BE ALERT TO THE DANGER OF THESE WINDS...
ESPECIALLY WHEN DRIVING ALONG HIGHWAY 395.

&&

$$

AZZ001>003-036-CAZ522>527-NVZ014>022-271400-
/O.CON.KVEF.HW.W.0014.091027T1400Z-091028T0700Z/
NORTHWEST PLATEAU-LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK-
WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN-
CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
ESMERALDA AND CENTRAL NYE COUNTY-LINCOLN COUNTY-
NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY-
SHEEP RANGE-SPRING MOUNTAINS-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...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...THE TOWN OF MT CHARLESTON...
LAS VEGAS...NORTH LAS VEGAS...HENDERSON...BOULDER CITY...
LAUGHLIN...BULLHEAD CITY...HOOVER DAM...PRIMM...JEAN...
SEARCHLIGHT...CAL-NEV-ARI
1058 PM PDT MON OCT 26 2009 /1058 PM MST MON OCT 26 2009/

...HIGH WIND WARNING REMAINS IN EFFECT FROM 7 AM PDT /7 AM MST/
TUESDAY TO MIDNIGHT PDT /MIDNIGHT MST/ TUESDAY NIGHT...

A HIGH WIND WARNING REMAINS IN EFFECT FOR MUCH OF SOUTHERN
NEVADA...SOUTHEAST CALIFORNIA AND NORTHWEST ARIZONA FROM 7 AM
TUESDAY TO MIDNIGHT TUESDAY NIGHT.

A POWERFUL LOW PRESSURE SYSTEM AND ASSOCIATED COLD FRONT WILL
MOVE ACROSS THE AREA TUESDAY AND TUESDAY NIGHT. WINDS WILL
INITIALLY INCREASE DURING THE MORNING OUT OF THE SOUTHWEST AS THE
FRONT APPROACHES...WITH ADVISORY LEVEL WINDS LIKELY PRIOR TO
FRONTAL PASSAGE. DURING AND AFTER FRONTAL PASSAGE...WINDS WILL
BECOME NORTHWESTERLY AND STRENGTHEN CONSIDERABLY. SUSTAINED WINDS
REACHING THE 35 TO 45 MPH RANGE WITH GUSTS AS HIGH AS 60 MPH ARE
LIKELY...WITH HIGHER GUSTS OVER EXPOSED MOUNTAIN LOCATIONS. WINDS
WILL BEGIN TO DECREASE OVERNIGHT ON TUESDAY...HOWEVER WINDS WILL
REMAIN STRONG...AND A WIND ADVISORY MAY BE NEEDED THROUGH
WEDNESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MORGAN
000 
WWUS75 KVEF 271055
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
355 AM PDT TUE OCT 27 2009

CAZ519>521-271915-
/O.CON.KVEF.HW.W.0014.000000T0000Z-091028T0700Z/
EASTERN SIERRA SLOPES-OWENS VALLEY-WHITE MOUNTAINS OF INYO COUNTY-
INCLUDING THE CITIES OF...ASPENDELL...MT WHITNEY...BISHOP...
INDEPENDENCE...LONE PINE
355 AM PDT TUE OCT 27 2009

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

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT
TONIGHT FOR THE EASTERN SIERRA SLOPES...THE OWENS VALLEY
AND THE WHITE MOUNTAINS OF INYO COUNTY.

A STRONG LOW PRESSURE SYSTEM AND AN ASSOCIATED COLD FRONT WILL
MOVE INTO AND THEN ACROSS THE AREA THIS MORNING RESULTING IN VERY
STRONG WINDS. EARLY IN THE MORNING...STRONG DOWNSLOPE WINDS WILL
DEVELOP AHEAD OF THE SYSTEM...WITH GUSTS TO OVER 80 MPH POSSIBLE
AT THE HIGHER ELEVATIONS AND OVER 65 MPH POSSIBLE ALONG THE
WESTERN FOOTHILLS AND OVER THE VALLEY FLOOR. BY MID MORNING THE
WINDS WILL SHIFT TO THE NORTH BEHIND THE COLD FRONT...BUT REMAIN
AT WARNING LEVELS AS HIGHER ELEVATIONS ARE AFFECTED BY STRONG
WINDS ALOFT AND LOWER ELEVATIONS EXPERIENCE STRONGER WINDS DUE TO
FUNNELING EFFECTS OF VALLEYS. WINDS ARE EXPECTED TO BEGIN TO
DECREASE LATE THIS EVENING...BUT WILL REMAIN STRONG THROUGH THE
NIGHT...AND AN ADVISORY MAY BE NEEDED ON WEDNESDAY.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

DRIVERS OF VANS...CAMPERS...TRAILERS...AND OTHER HIGH-PROFILE
VEHICLES SHOULD BE ALERT TO THE DANGER OF THESE WINDS...
ESPECIALLY WHEN DRIVING ALONG HIGHWAY 395. IN ADDITION TO THE
WINDS...DRIVERS SHOULD ALSO BE AWARE THAT AREAS OF BLOWING SAND
AND DUST MAY RAPIDLY LOWER VISIBILITIES TO NEAR ZERO DURING THE
DAY.

&&

$$

AZZ001>003-036-CAZ522>527-NVZ014>022-271915-
/O.CON.KVEF.HW.W.0014.091027T1400Z-091028T0700Z/
NORTHWEST PLATEAU-LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK-
WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN-
CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
ESMERALDA AND CENTRAL NYE COUNTY-LINCOLN COUNTY-
NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY-
SHEEP RANGE-SPRING MOUNTAINS-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...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...THE TOWN OF MT CHARLESTON...
LAS VEGAS...NORTH LAS VEGAS...HENDERSON...BOULDER CITY...
LAUGHLIN...BULLHEAD CITY...HOOVER DAM...PRIMM...JEAN...
SEARCHLIGHT...CAL-NEV-ARI
355 AM PDT TUE OCT 27 2009 /355 AM MST TUE OCT 27 2009/

...HIGH WIND WARNING REMAINS IN EFFECT FROM 7 AM PDT /7 AM MST/
THIS MORNING TO MIDNIGHT PDT /MIDNIGHT MST/ TONIGHT...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 7 AM PDT /7 AM MST/
THIS MORNING TO MIDNIGHT PDT /MIDNIGHT MST/ TONIGHT FOR SOUTHERN
NEVADA...PORTIONS OF SOUTHEAST CALIFORNIA AND NORTHWEST ARIZONA.

A STRONG LOW PRESSURE SYSTEM AND ASSOCIATED COLD FRONT WILL MOVE
ACROSS THE AREA TODAY. WINDS WILL INITIALLY INCREASE THIS MORNING
OUT OF THE SOUTHWEST AS THE FRONT APPROACHES...WITH ADVISORY
LEVEL WINDS LIKELY PRIOR TO FRONTAL PASSAGE. DURING AND AFTER
FRONTAL PASSAGE...WINDS WILL BECOME NORTHWESTERLY AND STRENGTHEN
CONSIDERABLY. SUSTAINED WINDS REACHING THE 35 TO 45 MPH RANGE WITH
GUSTS TO 60 MPH OR GREATER ARE LIKELY...WITH HIGHER GUSTS OVER
EXPOSED MOUNTAIN LOCATIONS. WINDS WILL BEGIN TO DECREASE OVERNIGHT
TONIGHT...HOWEVER WINDS WILL REMAIN STRONG...AND A WIND ADVISORY
MAY BE NEEDED THROUGH WEDNESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

DRIVERS OF VANS...CAMPERS...TRAILERS...AND OTHER HIGH PROFILE
VEHICLES SHOULD BE ALERT TO THE DANGER OF THESE WINDS. IN
ADDITION TO THE WINDS...DRIVERS SHOULD ALSO BE AWARE THAT AREAS OF
BLOWING SAND AND DUST MAY RAPIDLY LOWER VISIBILITIES TO NEAR ZERO
DURING THE DAY.

&&

$$
000 
WWUS75 KVEF 271622
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
922 AM PDT TUE OCT 27 2009

AZZ001>003-036-CAZ519>527-NVZ014>022-272330-
/O.CON.KVEF.HW.W.0014.000000T0000Z-091028T0700Z/
NORTHWEST PLATEAU-LAKE HAVASU AND FORT MOHAVE-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-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...ASPENDELL...MT WHITNEY...BISHOP...
INDEPENDENCE...LONE PINE...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...THE TOWN OF MT CHARLESTON...
LAS VEGAS...NORTH LAS VEGAS...HENDERSON...BOULDER CITY...
LAUGHLIN...BULLHEAD CITY...HOOVER DAM...PRIMM...JEAN...
SEARCHLIGHT...CAL-NEV-ARI
922 AM PDT TUE OCT 27 2009 /922 AM MST TUE OCT 27 2009/

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

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT
TONIGHT FOR SOUTHERN NEVADA...SOUTHEASTERN CALIFORNIA...AND
NORTHWEST ARIZONA.

A STRONG LOW PRESSURE SYSTEM WILL CONTINUE TO MOVE ACROSS THE
AREA THIS MORNING...WITH STRONG NORTHERLY WINDS DEVELOPING BEHIND
THE ASSOCIATED COLD FRONT. CURRENTLY...THE COLD FRONT HAS ALREADY
PASSED THROUGH THE LAS VEGAS VALLEY...AND WILL CONTINUE TO PUSH
SOUTH THIS MORNING...THROUGH KINGMAN ARIZONA BY EARLY THIS
AFTERNOON. THE STRONGEST WINDS ARE EXPECTED TO BE SEVERAL HOURS
AFTER FRONTAL PASSAGE AND WINDS INITIALLY BECOME NORTHERLY. WIND
GUSTS UP TO 65 MPH WILL BE POSSIBLE ACROSS VALLEY
LOCATIONS...WITH GREATER SPEEDS EXPECTED AT HIGHER ELEVATIONS.
WINDS WILL BEGIN TO DECREASE LATE THIS EVENING...BUT WILL REMAIN
STRONG THROUGH THE NIGHT. BREEZY TO WINDY CONDITIONS ARE EXPECTED
TO PERSIST THROUGH THURSDAY...WITH AN ADVISORY LIKELY NEEDED ON
WEDNESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

DRIVERS OF VANS...CAMPERS...TRAILERS...AND OTHER HIGH-PROFILE
VEHICLES SHOULD BE ALERT TO THE DANGER OF THESE WINDS...
DRIVERS SHOULD ALSO BE AWARE THAT AREAS OF BLOWING SAND AND DUST
MAY RAPIDLY LOWER VISIBILITIES TO NEAR ZERO DURING THE DAY.

&&

$$
000 
WWUS75 KVEF 272208
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
308 PM PDT TUE OCT 27 2009


AZZ001>003-036-CAZ519>527-NVZ014>022-280615-
/O.CAN.KVEF.HW.W.0014.000000T0000Z-091028T0700Z/
/O.NEW.KVEF.WI.Y.0042.091027T2208Z-091029T0300Z/
NORTHWEST PLATEAU-LAKE HAVASU AND FORT MOHAVE-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-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...ASPENDELL...MT WHITNEY...BISHOP...
INDEPENDENCE...LONE PINE...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...THE TOWN OF MT CHARLESTON...
LAS VEGAS...NORTH LAS VEGAS...HENDERSON...BOULDER CITY...
LAUGHLIN...BULLHEAD CITY...HOOVER DAM...PRIMM...JEAN...
SEARCHLIGHT...CAL-NEV-ARI
308 PM PDT TUE OCT 27 2009 /308 PM MST TUE OCT 27 2009/

...WIND ADVISORY IN EFFECT UNTIL 8 PM PDT /8 PM MST/ WEDNESDAY...
...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND
ADVISORY FOR SOUTHERN NEVADA...SOUTHEASTERN CALIFORNIA...AND
NORTHWEST ARIZONA....WHICH IS IN EFFECT UNTIL 8 PM PDT /8 PM MST/
WEDNESDAY. THIS REPLACES THE HIGH WIND WARNING PREVIOUSLY IN
EFFECT.

A STRONG LOW PRESSURE SYSTEM AND ASSOCIATED COLD FRONT HAVE PASSED
THROUGH REGION TODAY AND RESULTED IN STRONG NORTHERLY WINDS
AREAWIDE...WITH WARNING LEVEL WINDS OBSERVED AT SEVERAL LOCATIONS.
THESE INCLUDE BUT ARE NOT LIMITED TO 47 MPH AT MCCARRAN
INTERNATIONAL AIRPORT...54 MPH AT RACHEL NV...AND 45 MPH PLUS
OBSERVED AT DEATH VALLEY, CA WHERE VISIBILITY WAS REDUCED TO LESS
THAN 1/2 MILE. 

WINDS ARE JUST NOW BEGINNING TO DECREASE ACROSS THE AREA...AND WHILE
THE PERIOD OF WARNING LEVEL WINDS IS LIKELY OVER...STRONG NORTH
WINDS WILL CONTINUE OVERNIGHT AND DURING THE DAY ON
WEDNESDAY...WITH MAXIMUM GUSTS AS HIGH AS 50 MPH STILL POSSIBLE
ACROSS VALLEY LOCATIONS. ON THURSDAY...BREEZY CONDITIONS WILL
CONTINUE...BUT WIND SPEEDS WILL REMAIN BELOW ADVISORY CRITERIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DRIVERS OF VANS...CAMPERS...TRAILERS...AND OTHER HIGH-PROFILE
VEHICLES SHOULD BE ALERT TO THE DANGER OF THESE WINDS... DRIVERS
SHOULD ALSO BE AWARE THAT AREAS OF BLOWING SAND AND DUST MAY
RAPIDLY LOWER VISIBILITIES TO NEAR ZERO DURING THE DAY.

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.

&&

$$

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 Oct 26, 3:00 PM MST, 2 minutes earlier.

Area forecast discussion, Oct 26, 3:00 PM MST, 2 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
300 PM PDT MON OCT 26 2009

.SYNOPSIS...A VERY STRONG LOW PRESSURE SYSTEM AND ASSOCIATED COLD
FRONT WHICH WILL MOVE ACROSS THE AREA TUESDAY AND TUESDAY NIGHT.
THIS SYSTEM WILL RESULT IN VERY STRONG AND GUSTY WINDS ON TUESDAY
AND WEDNESDAY AND MUCH COOLER TEMPERATURES BY WEDNESDAY. THERE WILL
ALSO BE A CHANCE OF RAIN AND SNOW SHOWERS ACROSS THE SOUTHERN GREAT
BASIN. NORTHERLY WINDS AND COOLER TEMPERATURES ARE THEN EXPECTED THE
REMAINDER OF THE WEEK.
&&

.SHORT TERM...CURRENT SATELLITE IMAGERY STARTING TO SHOW THE
APPROACHING FRONTAL SYSTEM VERY NICELY...CURRENTLY LOCATED ACROSS
EASTERN WASHINGTON/OREGON AND DRAPED TO THE WEST ALONG THE NORTHERN
EDGE OF CALIFORNIA AND OFF INTO THE PACIFIC. THE FULL SUITE OF 12Z
AND 18Z MODEL RUNS TODAY ALL SHOW VERY GOOD CONSENSUS WITH THE
PROGRESSION OF THIS SYSTEM OVER THE NEXT 48 HOURS...PUSHING A COLD
FRONT FROM NORTHWEST TO SOUTHEAST ACROSS THE FORECAST AREA STARTING
EARLY TUESDAY MORNING AND THROUGH SOUTHERN MOHAVE COUNTY BY EARLY
EVENING. THIS IS AN ANOMALOUSLY DEEP SYSTEM...WITH ALMOST EVERY
PARAMETER (HEIGHTS...TEMPS..) ABOUT 4-5 STANDARD DEVIATIONS FROM
NORMAL AT ONE POINT OR ANOTHER AS IT PASSES THROUGH THE AREA. WINDS
WILL BE THE PRIMARY CONCERN...AS STRONG DOWNSLOPE WINDS ARE POSSIBLE
AS EARLY AS MIDNIGHT ACROSS THE EASTERN SLOPES OF THE SIERRA...AND
LATEST HIGH RESOLUTION MODEL GUIDANCE INDICATING THE THE POTENTIAL
FOR GUSTS AS HIGH AS 80 MPH MAKING IT AT LEAST DOWN TO MIDSLOPE
ELEVATIONS. ELSEWHERE...WINDS WILL INCREASE EARLY ON OUT OF THE
SOUTHWEST BEFORE SIGNIFICANTLY INCREASING AND SWITCHING TO THE
NORTHWEST AFTER FRONTAL PASSAGE. THE PRESSURE GRADIENT FROM RNO TO
LAS VEGAS HAS BEEN CONSISTENTLY PROGGED AROUND 16-17MB...THE 700MB
THERMAL RIBBON ASSOCIATED WITH THE FRONT HAS A GRADIENT OF ABOUT 6C
PER 100 MILES...AND ISENTROPIC ANALYSIS INDICATES PLENTY OF STRONG
45KT PLUS WIND DESCENDING DIRECTLY BEHIND THE FRONT. ALL OF THIS
EQUATES TO A VERY WINDY DAY ACROSS THE FORECAST AREA...WITH LOCAL
WIND GUSTS UP TO 60 MPH AT VALLEY LOCATIONS...AND 80 MPH ACROSS
MOUNTAIN LOCATIONS LIKELY. CURRENT FRONTAL PASSAGE EXPECTED TO BE
AROUND 14Z TUESDAY AT KBIH...AROUND 21Z TUESDAY ACROSS THE KLAS
VALLEY...AND THEN EXITING THE CWA BY 06Z WEDNESDAY. NORTHERLY FLOW
BEHIND THE FRONT WILL CONTINUE THROUGH WEDNESDAY...AND WIND
ADVISORIES WILL LIKELY REPLACE WARNINGS...AND PERSIST THROUGH
WEDNESDAY. AS THIS SYSTEM CROSSES THE AREA...SHOWERS WILL LIKELY BE
CONFINED  TO THE MOUNTAINS OF THE SOUTHERN GREAT BASIN WITH
PRECIPITATION STARTING AS RAIN...BUT QUICKLY LOWERING BEHIND THE
FRONT TO SNOW. AMOUNTS ARE EXPECTED TO BE LIGHT...AND SNOW LEVELS
WILL BE AS LOW AS 3000 TO 3500FT BY WEDNESDAY MORNING. AS CAN BE
EXPECTED WITH THE STRONG COLD FRONT...TEMPERATURES WILL PLUMMET ON
TUESDAY ACROSS THE NORTH...WHILE TIMING OF THE FRONT ACROSS THE
SOUTH WILL LIKELY CREATE FAIRLY LARGE FORECAST TEMPERATURES ERRORS
AS SOUTHWEST WINDS WILL ALLOW FOR FAIRLY WARM CONDITIONS TUESDAY
AFTERNOON BEFORE FROPA. WEDNESDAY AND THURSDAY WILL BE COLD...WITH
TEMPERATURES ABOUT 15 DEGREES COOLER THAN NORMAL ON AVERAGE. THE LAS
VEGAS VALLEY WILL LIKELY NOT CLIMB OUT OF THE 50S ON WEDNESDAY.

.LONG TERM...THE STORM IS CENTERED OVER NORTHERN NEW MEXICO THURSDAY
AND WEATHER WILL RAPIDLY IMPROVE ACROSS THE CWA. SOME LINGERING
NORTH WINDS ARE EXPECTED BUT WILL NOT BE NEARLY AS STRONG AS
WEDNESDAY. TEMPERATURES ON THE OTHER HAND SHOULD STRUGGLE TO WARM
AND REMAIN WELL BELOW NORMAL IN THE NORTHERLY FLOW. DRY NORTHWEST
FLOW ALOFT IS FORECAST FOR FRIDAY AND THE WEEKEND WITH TEMPERATURES
WARMING SEVERAL DEGREES FRIDAY AND BACK TO NEAR NORMAL OVER THE
WEEKEND. MINOR RIPPLES IN THE FLOW COULD INCREASE WINDS FROM TIME TO
TIME.
&&

.AVIATION...FOR MCCARRAN...LIGHT WINDS AND VARIABLE AMOUNTS OF HIGH
CLOUDS TO CONTINUE THROUGH THE OVERNIGHT HOURS. A STRONG WINTER
STORM AND ASSOCIATED SURFACE COLD FRONT WILL BRING IMPACTS TO THE
AIRPORT TUESDAY AND WEDNESDAY IN THE FORM OF STRONG WINDS. SOUTHWEST
WINDS INCREASE BY MID MORNING AND BECOME 10-20KTS AND GUSTY. THE
STRONGEST WINDS WILL BE JUST AS THE FRONT IS MOVING THROUGH WITH
STRONG NORTH WINDS BEHIND IT. THE FRONT IS EXPECTED TO MOVE THROUGH
THE LAS VEGAS VALLEY AS EARLY AS 16Z TUESDAY...TURNING WINDS TO THE
NORTH. STRONG...GUSTY NORTH WINDS WILL FOLLOW AFTER 18Z. IN GENERAL
SUSTAINED WINDS OF 20-30KTS AND GUSTS TO 40KTS ARE EXPECTED BUT A
SHORTER PERIOD OF STRONGER WINDS GUSTING UPWARDS OF 50KTS ARE
POSSIBLE. BLOWING SAND AND DUST COULD REDUCE VISIBILITY AT TIMES TO
UNDER 5SM.

FOR THE REST OF SOUTHERN NEVADA...NORTHWEST ARIZONA...AND SOUTHEAST
CALIFORNIA...NORTH WINDS AROUND 12KTS STILL CONTINUE ALONG THE
COLORADO RIVER VALLEY BUT SHOULD DIMINISH TO UNDER 8KTS THIS
AFTERNOON. ELSEWHERE WINDS TO GENERALLY REMAIN UNDER 8KTS. VARIABLE
AMOUNTS OF HIGH CLOUDS EXPECTED THROUGH TUESDAY MORNING WITH MID
CLOUDS INCREASING TUE AFT. A STRONG WINTER STORM AND ASSOCIATED
SURFACE COLD FRONT WILL PUSH THROUGH THE FORECAST AREA TUESDAY AND
WEDNESDAY. STRONG...GUSTY SOUTHWEST WINDS ARE EXPECTED TUESDAY
MORNING ALONG THE SOUTHERN CWA WITH SPEEDS GENERALLY BETWEEN
20-35KTS. STRONG NORTH TO NORTHWEST WINDS ARE EXPECTED BEHIND A COLD
FRONT AS IT MOVES SOUTH THROUGH THE AREA. NORTH WINDS 25-35KTS WITH
GUSTS TO 50 KTS POSSIBLE. THERE IS POTENTIAL FOR LOCALLY STRONGER
GUSTS IN FAVORED NORTH/SOUTH REGIONS. AREAS OF BLOWING SAND AND DUST
ARE LIKELY TUESDAY WITH POTENTIAL REDUCTIONS IN VISIBILITY.

&&
.FIRE WEATHER...WINDS ARE EXPECTED TO EXCEED RED FLAG CRITERIA IN
ALL ZONES TUESDAY AS THE STRONG LOW PRESSURE SYSTEM AND COLD FRONT
MOVE INTO THE AREA. WIDESPREAD GUSTS OVER 35 MPH ARE EXPECTED FROM
LATE MORNING THROUGH EARLY TUESDAY EVENING WITH BRIEF GUSTS TO 60
MPH POSSIBLE. RELATIVE HUMIDITIES ARE A BIT TRICKIER TO FORECAST
HOWEVER. NORTHERN ZONES WILL GENERALLY COOL OFF ENOUGH BEHIND THE
COLD FRONT AND/OR HAVE SHOWERS IN THE AREA TO KEEP HUMIDITY VALUES
ABOVE 15 PERCENT. THE SOUTHERN PORTION OF THE AREA WILL SEE HUMIDITY
DROP BELOW 15 PERCENT ALTHOUGH THERE COULD BE A FEW AREAS WHERE
HUMIDITY INCREASES BRIEFLY RIGHT ALONG THE COLD FRONT BEFORE FALLING
AGAIN. UPGRADED FIRE WEATHER WATCH TO A RED FLAG WARNING FOR TUESDAY
AND ADDED THE DEATH VALLEY ZONE. WINDS MAY DECREASE SOME TUESDAY
NIGHT BUT NORTHERLY WINDS WILL PICK UP AGAIN WEDNESDAY WITH
WIDESPREAD GUSTS AGAIN OVER 35 MPH IN MANY AREAS. DECIDED TO EXTEND
THE RED FLAG WARNING THROUGH WEDNESDAY FOR DEATH VALLEY...SAN
BERNARDINO COUNTY...LOWER ELEVATIONS OF CLARK COUNTY AND THE LAKE
MEAD NRA AND COLORADO RIVER ZONES WHERE HUMIDITY WILL ONCE AGAIN BE
BELOW 15 PERCENT.
&&

.VEF WATCHES/WARNINGS/ADVISORIES...
NV...HIGH WIND WARNING FROM 7 AM TUESDAY TO MIDNIGHT PDT TUESDAY
     NIGHT FOR NVZ014>022.
     RED FLAG WARNING FROM 10 AM TUESDAY TO 8 PM PDT WEDNESDAY FOR
     NVZ465-466.
AZ...HIGH WIND WARNING FROM 7 AM TUESDAY TO MIDNIGHT MST TUESDAY
     NIGHT FOR AZZ001>003-036.
     RED FLAG WARNING FROM 10 AM TUESDAY TO 8 PM MST WEDNESDAY FOR
     AZZ101.
     RED FLAG WARNING FROM 10 AM TO 8 PM MST TUESDAY FOR AZZ102.
CA...HIGH WIND WARNING FROM 7 AM TUESDAY TO MIDNIGHT PDT TUESDAY
     NIGHT FOR CAZ522>527.
     HIGH WIND WARNING FROM MIDNIGHT TONIGHT TO MIDNIGHT PDT TUESDAY
     NIGHT FOR CAZ519>521.
     RED FLAG WARNING FROM 10 AM TUESDAY TO 8 PM PDT WEDNESDAY FOR
     CAZ227>229.

&&

KENNEDY/SALMEN/HARRISON

HTTP://WEATHER.GOV/LASVEGAS
Hazardous weather outlook, Oct 26, 6:50 AM MST, 8 hours 12 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAS VEGAS NV
650 AM PDT MON OCT 26 2009

AZZ001>003-036-CAZ519>527-NVZ014>022-270500-
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-
650 AM PDT MON OCT 26 2009 /650 AM MST MON OCT 26 2009/

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

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

A STRONG PACIFIC STORM WILL MOVE OVER NEVADA ON TUESDAY RESULTING
IN THE POTENTIAL FOR VERY STRONG AND GUSTY WINDS. SOUTHWEST WINDS
WILL INCREASE AHEAD OF THE ASSOCIATED COLD FRONT WHILE NORTH WINDS
WILL FOLLOW THE FRONT. POTENTIAL WIND GUSTS TO OVER 60 MPH ARE
POSSIBLE IN THE VALLEYS...WHILE GUSTS TO NEAR 80 MPH OR GREATER
MAY BE EXPERIENCED IN THE HIGHER EXPOSED MOUNTAIN AREAS TUESDAY
AFTERNOON AND EVENING. AS THE STORM SHIFTS SOUTH TUESDAY NIGHT AND
THEN EAST ON WEDNESDAY...LOCAL GUSTY WINDS WILL CONTINUE INTO
WEDNESDAY AFTERNOON...BUT SPEEDS WILL BE MUCH LESS THAN TUESDAY.

NO SIGNIFICANT WEATHER IS EXPECTED FOR THE THURSDAY THROUGH
SUNDAY TIME PERIOD.

.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
Oct 26, 3:51 AM MSTFire Weather WatchVEFMohave11 hr
Oct 26, 3:19 PM MSTRed Flag WarningVEFMohave23 hr

Nearby

High Wind Warnings in Nevada, 2009High Wind Warnings in California, 2009High Wind Warnings in Arizona, 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; radar from the NEXRAD Level II archive.