Alert archive / Arizona / Wind Advisories in 2011

Wind Advisory 34, NWS Las Vegas, NV

April 29, 2011Mohave County, Arizona; San Bernardino County, California

NWS Las Vegas, NV issued this wind advisory at Apr 29, 2011, 2:49 AM MST for Mohave County, Arizona; San Bernardino County, California. It took effect at Apr 30, 2011, 2:00 AM MST. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Apr 29, 2011, 2:49 AM MST (09:49 UTC)
In effect from
Apr 30, 2011, 2:00 AM MST
Expired
Apr 30, 2011, 3:20 PM MST
In force
13 hr
Issued by
NWS Las Vegas, NV

Counties Mohave County, AZ, San Bernardino County, CA

The radar

The Las Vegas radar (KESX), 48 km from the middle of the area, began a volume at 09:50 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

Las Vegas, NV (KVEF), launched 00:00Z, 9.8 hours before the alert went out and 133 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Las Vegas, NV at 00:00Z on 2011-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Las Vegas, NV at 00:00Z on 2011-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
4172 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
52 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.

045 
WWUS75 KVEF 290949
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
249 AM PDT FRI APR 29 2011

.A PACIFIC LOW PRESSURE SYSTEM MOVING ACROSS THE REGION WILL RESULT
IN CONTINUED STRONG WEST TO SOUTHWEST WINDS ACROSS THE MOJAVE
DESERT AND EASTERN SIERRA SLOPES THROUGH EARLY THIS MORNING...AND
STRONG NORTHERLY WINDS ACROSS CENTRAL NYE AND ESMERALDA COUNTIES
DURING THE DAY.

CAZ519-291400-
/O.CON.KVEF.HW.W.0016.000000T0000Z-110429T1400Z/
EASTERN SIERRA SLOPES-
INCLUDING...ASPENDELL...WHITNEY PORTAL
249 AM PDT FRI APR 29 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 AM PDT THIS
MORNING...

A HIGH WIND WARNING REMAINS IN EFFECT FOR THE EASTERN SIERRA
SLOPES UNTIL 7 AM PDT THIS MORNING.

* WINDS: WEST WINDS OF 45 TO 60 MPH WITH GUSTS UP TO 80 MPH.

* TIMING: WINDS WILL DECREASE AROUND SUNRISE THIS MORNING.

* LOCATIONS: THE EASTERN FOOTHILLS OF THE SIERRA.

* IMPACTS: WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR MOTORCYCLES AND HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DRIVERS OF MOTORCYLES...VANS...CAMPERS...TRAILERS...AND ANY HIGH-
PROFILE VEHICLE SHOULD BE ALERT TO THE POTENTIAL DANGER OF THESE
WINDS.

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

&&

$$

AZZ002-036-CAZ527-NVZ021-291400-
/O.NEW.KVEF.WI.Y.0034.110430T1700Z-110501T0400Z/
LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA-
SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK...
BULLHEAD CITY...MOHAVE VALLEY...NEEDLES...HOOVER DAM...LAUGHLIN
249 AM PDT FRI APR 29 2011 /249 AM MST FRI APR 29 2011/

...WIND ADVISORY IN EFFECT FROM 10 AM PDT /10 AM MST/ TO 9 PM PDT
/9 PM MST/ SATURDAY...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND
ADVISORY FOR LAKE MEAD...LAKE HAVASU AND THE COLORADO RIVER
VALLEY...WHICH IS IN EFFECT FROM 10 AM TO 9 PM SATURDAY.

* WINDS: NORTH WINDS 20 TO 30 MPH WITH GUSTS UP TO 50 MPH.

* TIMING: WINDS WILL INCREASE SATURDAY MORNING...PEAK IN THE
  AFTERNOON...AND DECREASE IN THE EVENING.

* LOCATIONS: THE LAKE MEAD NATIONAL RECREATION AREA AND THE
  COLORADO RIVER VALLEY...ESPECIALLY AREAS SOUTH OF HOOVER DAM.

* IMPACTS: DANGEROUS BOATING CONDITIONS ARE EXPECTED ON THE LAKES.
  DRIVERS ON EAST WEST ROADS SUCH AS HIGHWAY 68 AND INTERSTATE 40
  WILL SEE STRONG CROSSWINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BOATERS IN THE WIND ADVISORY AREA SHOULD USE EXTREME CAUTION WHEN
VENTURING ONTO AREA LAKES. THESE WINDS WILL MAKE OPEN WATERS OF
LAKES ROUGH AND HAZARDOUS...AND MAY RESULT IN HIGH WAVES WHICH MAY
TIP OR SWAMP SMALLER CRAFT. FOR YOUR PERSONAL SAFETY...AVOID THE
OPEN WATERS. STAY CLOSE TO SHORE OR AROUND PROTECTED AREAS.

&&

$$

NVZ014-291400-
/O.EXT.KVEF.WI.Y.0033.110429T1400Z-110430T0600Z/
ESMERALDA AND CENTRAL NYE COUNTY-
INCLUDING...BEATTY...GOLDFIELD...SILVER PEAK...DYER
249 AM PDT FRI APR 29 2011

...WIND ADVISORY NOW IN EFFECT FROM 7 AM THIS MORNING TO 11 PM PDT
THIS EVENING...

THE WIND ADVISORY FOR ESMERALDA AND CENTRAL NYE COUNTIES IS NOW
IN EFFECT FROM 7 AM THIS MORNING TO 11 PM PDT THIS EVENING.

* WINDS: NORTHWEST WINDS 25 TO 35 MPH WITH GUSTS TO 50 MPH.

* TIMING: WINDS WILL INCREASE EARLY THIS MORNING...PEAK DURING THE
  AFTERNOON...AND GRADUALLY DECREASE THIS EVENING.

* LOCATIONS: BEATTY...GOLDFIELD...SILVER PEAK...DYER

* IMPACTS: WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR MOTORCYCLES AND HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DRIVERS OF MOTORCYLES...VANS...CAMPERS...TRAILERS...AND ANY HIGH-
PROFILE VEHICLE SHOULD BE ALERT TO THE POTENTIAL DANGER OF THESE
WINDS...ESPECIALLY WHEN DRIVING ALONG HIGHWAY 95.

&&

$$

CAZ520-523-524-291400-
/O.CON.KVEF.WI.Y.0032.000000T0000Z-110429T1400Z/
OWENS VALLEY-WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-
INCLUDING...BISHOP...INDEPENDENCE...LONE PINE...
OLANCHA...BARSTOW...DAGGETT...FORT IRWIN...BAKER...MOUNTAIN PASS...
MITCHELL CAVERNS
249 AM PDT FRI APR 29 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM PDT THIS MORNING...

A WIND ADVISORY REMAINS IN EFFECT FOR THE OWENS VALLEY AND
NORTHERN SAN BERNARDINO COUNTY UNTIL 7 AM PDT THIS MORNING.

* WINDS: WEST WINDS 20 TO 30 MPH WITH GUSTS TO 50 MPH.

* TIMING: WINDS WILL DECREASE AROUND SUNRISE THIS MORNING.

* LOCATIONS: BAKER...MOUNTAIN PASS...MITCHELL CAVERNS...
  BARSTOW...DAGGETT...FORT IRWIN...BISHOP...INDEPENDENCE... 
  LONE PINE...OLANCHA 

* IMPACTS: DIFFICULT DRIVING CONDITIONS ON INTERSTATE 15...HIGHWAY
  395...HIGHWAY 127 AND OTHER NORTH SOUTH ROADS. IN
  ADDITION...STRONG WINDS OVER DESERT AREAS COULD RESULT IN POOR
  VISIBILITY IN BLOWING DUST OR BLOWING SAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DRIVERS...ESPECIALLY OF HIGH PROFILE VEHICLES...SHOULD USE CAUTION
AND REMAIN ALERT FOR SUDDEN GUSTS OR CROSS WINDS...ESPECIALLY ON
NORTH SOUTH ROADS.

&&

$$

MORGAN
8 follow-up statements
138 
WWUS75 KVEF 291339
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
639 AM PDT FRI APR 29 2011

.A PACIFIC LOW PRESSURE SYSTEM MOVING ACROSS THE REGION WILL RESULT
IN CONTINUED STRONG WEST TO SOUTHWEST WINDS ACROSS THE MOJAVE
DESERT THIS MORNING...AND STRONG NORTHERLY WINDS ACROSS CENTRAL
NYE AND ESMERALDA COUNTIES THROUGH THE DAY. STRONG NORTH WINDS
WILL AFFECT THE COLORADO RIVER VALLEY TOMORROW BEHIND THE COLD
FRONT.

CAZ519-291445-
/O.EXP.KVEF.HW.W.0016.000000T0000Z-110429T1400Z/
EASTERN SIERRA SLOPES-
INCLUDING...ASPENDELL...WHITNEY PORTAL
639 AM PDT FRI APR 29 2011

...HIGH WIND WARNING WILL EXPIRE AT 7 AM PDT THIS MORNING...

THE HIGH WIND WARNING FOR THE EASTERN SIERRA SLOPES WILL EXPIRE
AT 7 AM PDT THIS MORNING.

A COLD FRONT HAD PASSED THROUGH THE REGION EARLY THIS
MORNING...ENDING THE THREAT OF DOWNSLOPE WINDS. THEREFORE...THE
HIGH WIND WARNING WILL BE ALLOWED TO EXPIRE.

$$

CAZ520-291445-
/O.EXP.KVEF.WI.Y.0032.000000T0000Z-110429T1400Z/
OWENS VALLEY-
INCLUDING...BISHOP...INDEPENDENCE...LONE PINE...
OLANCHA
639 AM PDT FRI APR 29 2011

...WIND ADVISORY WILL EXPIRE AT 7 AM PDT THIS MORNING...

THE WIND ADVISORY FOR THE OWENS VALLEY WILL EXPIRE AT 7 AM PDT
THIS MORNING.

A COLD FRONT HAD PASSED THROUGH THE REGION EARLY THIS
MORNING...ENDING THE THREAT OF DOWNSLOPE WINDS. THEREFORE...THE
WIND ADVISORY WILL BE ALLOWED TO EXPIRE.

$$

CAZ523-524-291700-
/O.EXT.KVEF.WI.Y.0032.000000T0000Z-110429T1700Z/
WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-
INCLUDING...BARSTOW...DAGGETT...FORT IRWIN...BAKER...
MOUNTAIN PASS...MITCHELL CAVERNS
639 AM PDT FRI APR 29 2011

...WIND ADVISORY NOW IN EFFECT UNTIL 10 AM PDT THIS MORNING...

THE WIND ADVISORY FOR NORTHERN SAN BERNARDINO COUNTY HAS BEEN
EXTENDED UNTIL 10 AM PDT THIS MORNING.

* WINDS: WEST WINDS 20 TO 30 MPH WITH GUSTS TO 50 MPH.

* TIMING: WINDS WILL DECREASE AROUND MID MORNING.

* LOCATIONS: BAKER...MOUNTAIN PASS...MITCHELL CAVERNS...
  BARSTOW...DAGGETT...FORT IRWIN 

* IMPACTS: DIFFICULT DRIVING CONDITIONS ON INTERSTATE 15...
  HIGHWAY 395...HIGHWAY 127 AND OTHER NORTH SOUTH ROADS. IN 
  ADDITION... STRONG WINDS OVER DESERT AREAS COULD RESULT IN 
  POOR VISIBILITY IN BLOWING DUST OR BLOWING SAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DRIVERS...ESPECIALLY OF HIGH PROFILE VEHICLES...SHOULD USE CAUTION
AND REMAIN ALERT FOR SUDDEN GUSTS OR CROSS WINDS...ESPECIALLY ON
NORTH SOUTH ROADS.

&&

$$

NVZ014-292145-
/O.CON.KVEF.WI.Y.0033.110429T1400Z-110430T0600Z/
ESMERALDA AND CENTRAL NYE COUNTY-
INCLUDING...BEATTY...GOLDFIELD...SILVER PEAK...DYER
639 AM PDT FRI APR 29 2011

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

A WIND ADVISORY REMAINS IN EFFECT FOR ESMERALDA AND CENTRAL NYE
COUNTIES UNTIL 11 PM PDT THIS EVENING.

* WINDS: NORTHWEST WINDS 25 TO 35 MPH WITH GUSTS TO 50 MPH.

* TIMING: WINDS WILL INCREASE THIS MORNING...PEAK DURING THE
  AFTERNOON...AND GRADUALLY DECREASE THIS EVENING.

* LOCATIONS: BEATTY...GOLDFIELD...SILVER PEAK...DYER

* IMPACTS: WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR MOTORCYCLES AND HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DRIVERS OF MOTORCYLES...VANS...CAMPERS...TRAILERS...AND ANY HIGH-
PROFILE VEHICLE SHOULD BE ALERT TO THE POTENTIAL DANGER OF THESE
WINDS...ESPECIALLY WHEN DRIVING ALONG HIGHWAY 95.

&&

$$

AZZ002-036-CAZ527-NVZ021-292145-
/O.CON.KVEF.WI.Y.0034.110430T1700Z-110501T0400Z/
LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA-
SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK...
BULLHEAD CITY...MOHAVE VALLEY...NEEDLES...HOOVER DAM...LAUGHLIN
639 AM PDT FRI APR 29 2011 /639 AM MST FRI APR 29 2011/

...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM PDT /10 AM MST/ TO
9 PM PDT /9 PM MST/ SATURDAY...

A WIND ADVISORY REMAINS IN EFFECT FOR THE LAKES AND THE COLORADO
RIVER VALLEY FROM 10 AM TO 9 PM SATURDAY.

* WINDS: NORTH WINDS 20 TO 30 MPH WITH GUSTS UP TO 50 MPH.

* TIMING: WINDS WILL INCREASE SATURDAY MORNING...PEAK IN THE 
  AFTERNOON...AND DECREASE IN THE EVENING.

* LOCATIONS: HOOVER DAM...LAUGHLIN...NEEDLES...BULLHEAD CITY...
  MOHAVE VALLEY...LAKE HAVASU...DESERT HILLS...TOPOCK 

* IMPACTS: DANGEROUS BOATING CONDITIONS ARE EXPECTED ON THE 
  LAKES. DRIVERS ON EAST WEST ROADS SUCH AS HIGHWAY 68 AND 
  INTERSTATE 40 WILL SEE STRONG CROSSWINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BOATERS IN THE WIND ADVISORY AREA SHOULD USE EXTREME CAUTION WHEN
VENTURING ONTO AREA LAKES. THESE WINDS WILL MAKE OPEN WATERS OF
LAKES ROUGH AND HAZARDOUS...AND MAY RESULT IN HIGH WAVES WHICH MAY
TIP OR SWAMP SMALLER CRAFT. FOR YOUR PERSONAL SAFETY...AVOID THE
OPEN WATERS. STAY CLOSE TO SHORE OR AROUND PROTECTED AREAS.

&&

$$

MORGAN
674 
WWUS75 KVEF 291656
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
956 AM PDT FRI APR 29 2011

.A PACIFIC LOW PRESSURE SYSTEM MOVING ACROSS THE REGION WILL RESULT
IN CONTINUED STRONG WEST TO SOUTHWEST WINDS ACROSS THE MOJAVE
DESERT THIS MORNING...AND STRONG NORTHERLY WINDS ACROSS CENTRAL NYE
AND ESMERALDA COUNTIES THROUGH THE DAY...WITH LOCATIONS ALONG THE
OWENS VALLEY SEEING SIGNIFICANTLY REDUCED VISIBILITIES THIS
MORNING. STRONG NORTH WINDS WILL AFFECT THE COLORADO RIVER VALLEY
TOMORROW BEHIND THE COLD FRONT.

CAZ520-291900-
/O.NEW.KVEF.DS.W.0001.110429T1656Z-110429T1900Z/
OWENS VALLEY-
INCLUDING...BISHOP...INDEPENDENCE...LONE PINE...
OLANCHA
956 AM PDT FRI APR 29 2011

...DUST STORM WARNING IN EFFECT UNTIL NOON PDT TODAY...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A DUST STORM
WARNING FOR THE OWENS VALLEY...WHICH IS IN EFFECT UNTIL NOON PDT
TODAY.


* TIMING: VISIBILITY WILL BEGIN TO IMPROVE BY NOON TODAY AS WINDS
  START TO SUBSIDE.

* WINDS: NORTH WINDS SUSTAINED AT 30 MPH WITH GUSTS AS HIGH AS 50 MPH.

* VISIBILITY: WIDESPREAD VISIBILITY REDUCTIONS OF 1/2 MILE...AND
  LOCALIZED AREAS OF VISIBILITY REDUCED TO BELOW 1/4 MILE.
  VISIBILITY REDUCTIONS WILL PRIMARILY BE LOCATED SOUTH OF BISHOP
  ALONG THE OWENS VALLEY.

* IMPACTS: A DUST STORM WARNING MEANS SEVERELY LIMITED
  VISIBILITIES ARE EXPECTED DUE TO BLOWING DUST AND SAND. TRAVEL
  COULD BECOME EXTREMELY DANGEROUS. MOTORISTS ALONG HIGHWAY 395
  AND ROUTE 36 SHOULD EXERCISE EXTREME CAUTION THE REMAINDER OF
  THE MORNING. PERSONS WITH RESPIRATORY PROBLEMS SHOULD MAKE
  PREPARATIONS TO STAY INDOORS UNTIL THE STORM PASSES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU SEE AN ADVANCING WALL OF DUST...DO NOT DRIVE INTO IT IF AT
ALL POSSIBLE. BLOWING DUST CAN QUICKLY REDUCE VISIBILITY...CAUSING
ACCIDENTS.

&&

$$

CAZ523-524-291900-
/O.EXT.KVEF.WI.Y.0032.000000T0000Z-110429T1900Z/
WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-
INCLUDING...BARSTOW...DAGGETT...FORT IRWIN...BAKER...
MOUNTAIN PASS...MITCHELL CAVERNS
956 AM PDT FRI APR 29 2011

...WIND ADVISORY NOW IN EFFECT UNTIL NOON PDT TODAY...

THE WIND ADVISORY FOR NORTHERN SAN BERNARDINO COUNTY HAS BEEN
EXTENDED UNTIL NOON PDT TODAY.

* WINDS: WEST WINDS 20 TO 30 MPH WITH GUSTS TO 50 MPH.

* TIMING: WINDS WILL DECREASE TO BELOW ADVISORY CRITERIA AROUND
  NOON.

* LOCATIONS: BAKER...MOUNTAIN PASS...MITCHELL CAVERNS...
  BARSTOW...DAGGETT...FORT IRWIN 

* IMPACTS: DIFFICULT DRIVING CONDITIONS ON INTERSTATE 15...
  HIGHWAY 395...HIGHWAY 127 AND OTHER NORTH SOUTH ROADS. IN 
  ADDITION... STRONG WINDS OVER DESERT AREAS COULD RESULT IN 
  POOR VISIBILITY IN BLOWING DUST OR BLOWING SAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DRIVERS...ESPECIALLY OF HIGH PROFILE VEHICLES...SHOULD USE CAUTION
AND REMAIN ALERT FOR SUDDEN GUSTS OR CROSS WINDS...ESPECIALLY ON
NORTH SOUTH ROADS.

&&

$$

NVZ014-300100-
/O.CON.KVEF.WI.Y.0033.000000T0000Z-110430T0600Z/
ESMERALDA AND CENTRAL NYE COUNTY-
INCLUDING...BEATTY...GOLDFIELD...SILVER PEAK...DYER
956 AM PDT FRI APR 29 2011

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

A WIND ADVISORY REMAINS IN EFFECT FOR ESMERALDA AND CENTRAL NYE
COUNTIES UNTIL 11 PM PDT THIS EVENING.

* WINDS: NORTHWEST WINDS 25 TO 35 MPH WITH GUSTS TO 50 MPH.

* TIMING: WINDS WILL INCREASE THIS MORNING...PEAK DURING THE
  AFTERNOON...AND GRADUALLY DECREASE THIS EVENING.

* LOCATIONS: BEATTY...GOLDFIELD...SILVER PEAK...DYER

* IMPACTS: WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR MOTORCYCLES AND HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DRIVERS OF MOTORCYLES...VANS...CAMPERS...TRAILERS...AND ANY HIGH-
PROFILE VEHICLE SHOULD BE ALERT TO THE POTENTIAL DANGER OF THESE
WINDS...ESPECIALLY WHEN DRIVING ALONG HIGHWAY 95.

&&

$$

AZZ002-036-CAZ527-NVZ021-300100-
/O.CON.KVEF.WI.Y.0034.110430T1700Z-110501T0400Z/
LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA-
SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK...
BULLHEAD CITY...MOHAVE VALLEY...NEEDLES...HOOVER DAM...LAUGHLIN
956 AM PDT FRI APR 29 2011 /956 AM MST FRI APR 29 2011/

...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM PDT /10 AM MST/ TO
9 PM PDT /9 PM MST/ SATURDAY...

A WIND ADVISORY REMAINS IN EFFECT FOR THE LAKES AND THE COLORADO
RIVER VALLEY FROM 10 AM TO 9 PM SATURDAY.

* WINDS: NORTH WINDS 20 TO 30 MPH WITH GUSTS UP TO 50 MPH.

* TIMING: WINDS WILL INCREASE SATURDAY MORNING...PEAK IN THE 
  AFTERNOON...AND DECREASE IN THE EVENING.

* LOCATIONS: HOOVER DAM...LAUGHLIN...NEEDLES...BULLHEAD CITY...
  MOHAVE VALLEY...LAKE HAVASU...DESERT HILLS...TOPOCK 

* IMPACTS: DANGEROUS BOATING CONDITIONS ARE EXPECTED ON THE LAKES.
  DRIVERS ON EAST WEST ROADS SUCH AS HIGHWAY 68 AND INTERSTATE 40
  WILL SEE STRONG CROSSWINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BOATERS IN THE WIND ADVISORY AREA SHOULD USE EXTREME CAUTION WHEN
VENTURING ONTO AREA LAKES. THESE WINDS WILL MAKE OPEN WATERS OF
LAKES ROUGH AND HAZARDOUS...AND MAY RESULT IN HIGH WAVES WHICH MAY
TIP OR SWAMP SMALLER CRAFT. FOR YOUR PERSONAL SAFETY...AVOID THE
OPEN WATERS. STAY CLOSE TO SHORE OR AROUND PROTECTED AREAS.

&&

$$
939 
WWUS75 KVEF 291900
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1200 PM PDT FRI APR 29 2011

.STRONG NORTHERLY WINDS BEHIND A COLD FRONT PASSING OVER THE
REGION WILL RESULT IN STRONG WINDS ACROSS CENTRAL NYE AND
ESMERALDA COUNTIES THROUGH THE DAY. STRONG NORTH WINDS WILL AFFECT
THE COLORADO RIVER VALLEY TOMORROW BEHIND THE COLD FRONT.

CAZ520-292000-
/O.EXP.KVEF.DS.W.0001.000000T0000Z-110429T1900Z/
OWENS VALLEY-
INCLUDING...BISHOP...INDEPENDENCE...LONE PINE...
OLANCHA
1200 PM PDT FRI APR 29 2011

...DUST STORM WARNING WILL EXPIRE AT NOON PDT TODAY...

THE DUST STORM WARNING FOR THE OWENS VALLEY WILL EXPIRE AT NOON
PDT TODAY.

WINDS ARE STARTING TO DECREASE WHILE VISIBILITY RESTRICTIONS DUE
TO BLOWING DUST IMPROVE. ALTHOUGH LOCALIZED AREAS OF BLOWING DUST
COULD STILL REDUCE VISIBILITIES TO LESS THAN ONE MILE THROUGH 200
PM PDT...REDUCTIONS TO LESS THAN 1/4 MILE ARE NO LONGER A THREAT.

$$

CAZ523-524-292000-
/O.EXP.KVEF.WI.Y.0032.000000T0000Z-110429T1900Z/
WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-
INCLUDING...BARSTOW...DAGGETT...FORT IRWIN...BAKER...
MOUNTAIN PASS...MITCHELL CAVERNS
1200 PM PDT FRI APR 29 2011

...WIND ADVISORY WILL EXPIRE AT NOON PDT TODAY...

THE WIND ADVISORY FOR NORTHERN SAN BERNARDINO COUNTY WILL EXPIRE
AT NOON PDT TODAY.

LATEST OBSERVATIONS ARE INDICATING SURFACE WINDS IN A DECREASING
TREND...AND ADVISORY LEVEL WINDS ARE NO LONGER EXPECTED TODAY.

$$

NVZ014-300300-
/O.CON.KVEF.WI.Y.0033.000000T0000Z-110430T0600Z/
ESMERALDA AND CENTRAL NYE COUNTY-
INCLUDING...BEATTY...GOLDFIELD...SILVER PEAK...DYER
1200 PM PDT FRI APR 29 2011

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

A WIND ADVISORY REMAINS IN EFFECT FOR ESMERALDA AND CENTRAL NYE
COUNTIES UNTIL 11 PM PDT THIS EVENING.

* WINDS: NORTHWEST WINDS 25 TO 35 MPH WITH GUSTS TO 50 MPH.

* TIMING: WINDS WILL INCREASE THIS MORNING...PEAK DURING THE 
  AFTERNOON...AND GRADUALLY DECREASE THIS EVENING.

* LOCATIONS: BEATTY...GOLDFIELD...SILVER PEAK...DYER

* IMPACTS: WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR MOTORCYCLES AND HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DRIVERS OF MOTORCYLES...VANS...CAMPERS...TRAILERS...AND ANY HIGH-
PROFILE VEHICLE SHOULD BE ALERT TO THE POTENTIAL DANGER OF THESE
WINDS...ESPECIALLY WHEN DRIVING ALONG HIGHWAY 95.

&&

$$

AZZ002-036-CAZ527-NVZ021-300300-
/O.CON.KVEF.WI.Y.0034.110430T1700Z-110501T0400Z/
LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA-
SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK...
BULLHEAD CITY...MOHAVE VALLEY...NEEDLES...HOOVER DAM...LAUGHLIN
1200 PM PDT FRI APR 29 2011 /1200 PM MST FRI APR 29 2011/

...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM PDT /10 AM MST/ TO
9 PM PDT /9 PM MST/ SATURDAY...

A WIND ADVISORY REMAINS IN EFFECT FOR THE LAKES AND THE COLORADO
RIVER VALLEY FROM 10 AM TO 9 PM SATURDAY.

* WINDS: NORTH WINDS 20 TO 30 MPH WITH GUSTS UP TO 50 MPH.

* TIMING: WINDS WILL INCREASE SATURDAY MORNING...PEAK IN THE 
  AFTERNOON...AND DECREASE IN THE EVENING.

* LOCATIONS: HOOVER DAM...LAUGHLIN...NEEDLES...BULLHEAD CITY... 
  MOHAVE VALLEY...LAKE HAVASU...DESERT HILLS...TOPOCK

* IMPACTS: DANGEROUS BOATING CONDITIONS ARE EXPECTED ON THE 
  LAKES. DRIVERS ON EAST WEST ROADS SUCH AS HIGHWAY 68 AND 
  INTERSTATE 40 WILL SEE STRONG CROSSWINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BOATERS IN THE WIND ADVISORY AREA SHOULD USE EXTREME CAUTION WHEN
VENTURING ONTO AREA LAKES. THESE WINDS WILL MAKE OPEN WATERS OF
LAKES ROUGH AND HAZARDOUS...AND MAY RESULT IN HIGH WAVES WHICH MAY
TIP OR SWAMP SMALLER CRAFT. FOR YOUR PERSONAL SAFETY...AVOID THE
OPEN WATERS. STAY CLOSE TO SHORE OR AROUND PROTECTED AREAS.

&&

$$
449 
WWUS75 KVEF 292152
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
252 PM PDT FRI APR 29 2011

.STRONG NORTHERLY WINDS BEHIND A COLD FRONT PASSING OVER THE REGION
WILL RESULT IN STRONG WINDS ACROSS CENTRAL NYE AND ESMERALDA
COUNTIES THE REMAINDER OF THE DAY. STRONG NORTH WINDS WILL AFFECT
THE COLORADO RIVER VALLEY TOMORROW BEHIND THE COLD FRONT.

AZZ002-036-CAZ527-NVZ021-300600-
/O.EXT.KVEF.WI.Y.0034.110430T1500Z-110501T0400Z/
LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA-
SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK...
BULLHEAD CITY...MOHAVE VALLEY...NEEDLES...HOOVER DAM...LAUGHLIN
252 PM PDT FRI APR 29 2011 /252 PM MST FRI APR 29 2011/

...WIND ADVISORY NOW IN EFFECT FROM 8 AM PDT /8 AM MST/ TO 9 PM PDT
/9 PM MST/ SATURDAY...

THE WIND ADVISORY IS NOW IN EFFECT FROM 8 AM PDT /8 AM MST/ TO 9 PM
PDT /9 PM MST/ SATURDAY FOR THE LAKES AND THE COLORADO
RIVER VALLEY.

* WINDS: SUSTAINED NORTH WINDS 25 TO 30 MPH WITH GUSTS UP TO 50
  MPH.

* TIMING: WINDS WILL INCREASE EARLY SATURDAY MORNING...PEAK IN
  THE AFTERNOON...AND DECREASE IN THE EVENING.

* LOCATIONS: HOOVER DAM...LAUGHLIN...NEEDLES...BULLHEAD CITY... 
  MOHAVE VALLEY...LAKE HAVASU...DESERT HILLS...TOPOCK

* IMPACTS: THESE STRONG WINDS COULD POSE A THREAT TO DRIVERS OF
  MOTORCYLES...VANS...CAMPERS...TRAILERS...AND ANY HIGH-PROFILE
  VEHICLES...ESPECIALLY ALONG EAST WEST ROADS SUCH AS HIGHWAY 68
  AND INTERSTATE 40. ALSO...THESE WINDS COULD POTENTIALLY BE
  DANGEROUS TO CAMPERS AND ANY OTHER INDIVIDUALS PARTICIPATING IN
  ANY AREA OUTDOOR ACTIVITIES THIS WEEKEND. DANGEROUS BOATING
  CONDITIONS ARE EXPECTED ON THE LAKES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CAMPERS AND THOSE PARTICIPATING IN ANY OUTDOOR ACTIVITIES IN THE
ADVISORY AREA SHOULD USE EXTRA CAUTION AND TAKE CARE TO SECURE
AWNINGS...TENTS...OR ANY OTHER ITEMS MAY BE PRONE TO WIND DAMAGE.
EXTRA TIME SHOULD BE TAKEN TO SECURE TRASH CANS...LIGHTWEIGHT
SIGNS...OR ANY OTHER ITEMS THAT MAY BE IMPACTED BY THESE STRONG
WINDS.

BOATERS IN THE WIND ADVISORY AREA SHOULD USE EXTREME CAUTION WHEN
VENTURING ONTO AREA LAKES. THESE WINDS WILL MAKE OPEN WATERS OF
LAKES ROUGH AND HAZARDOUS...AND MAY RESULT IN HIGH WAVES WHICH MAY
TIP OR SWAMP SMALLER CRAFT. FOR YOUR PERSONAL SAFETY...AVOID THE
OPEN WATERS. STAY CLOSE TO SHORE OR AROUND PROTECTED AREAS.

&&

$$

NVZ014-300600-
/O.CON.KVEF.WI.Y.0033.000000T0000Z-110430T0600Z/
ESMERALDA AND CENTRAL NYE COUNTY-
INCLUDING...BEATTY...GOLDFIELD...SILVER PEAK...DYER
252 PM PDT FRI APR 29 2011

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

A WIND ADVISORY REMAINS IN EFFECT FOR ESMERALDA AND CENTRAL NYE
COUNTIES UNTIL 11 PM PDT THIS EVENING.

* WINDS: NORTHWEST WINDS 25 TO 35 MPH WITH GUSTS TO 50 MPH.

* TIMING: STRONGEST WINDS WILL CONTINUE THE REMAINDER OF THE
  AFTERNOON...AND GRADUALLY DECREASE THIS EVENING.

* LOCATIONS: BEATTY...GOLDFIELD...SILVER PEAK...DYER

* IMPACTS: WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR MOTORCYCLES AND HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DRIVERS OF MOTORCYLES...VANS...CAMPERS...TRAILERS...AND ANY HIGH-
PROFILE VEHICLE SHOULD BE ALERT TO THE POTENTIAL DANGER OF THESE
WINDS...ESPECIALLY WHEN DRIVING ALONG HIGHWAY 95.

&&

$$
525 
WWUS75 KVEF 300539
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1039 PM PDT FRI APR 29 2011

.STRONG NORTHERLY WINDS BEHIND A COLD FRONT PASSING OVER THE REGION
WILL RESULT IN STRONG WINDS ACROSS CENTRAL NYE AND ESMERALDA
COUNTIES THE REMAINDER OF THE DAY. STRONG NORTH WINDS WILL AFFECT
THE COLORADO RIVER VALLEY TOMORROW BEHIND THE COLD FRONT.

NVZ014-300645-
/O.EXP.KVEF.WI.Y.0033.000000T0000Z-110430T0600Z/
ESMERALDA AND CENTRAL NYE COUNTY-
INCLUDING...BEATTY...GOLDFIELD...SILVER PEAK...DYER
1039 PM PDT FRI APR 29 2011

...WIND ADVISORY WILL EXPIRE AT 11 PM PDT THIS EVENING...

THE WIND ADVISORY FOR ESMERALDA AND CENTRAL NYE COUNTIES WILL
EXPIRE AT 11 PM PDT THIS EVENING.

WINDS HAD BEGUN TO DECREASE LATE THIS EVENING AND THIS TREND IS
EXPECTED TO CONTINUE OVERNIGHT. NORTHERLY WINDS WILL GENERALLY BE
IN THE 10 TO 20 MPH RANGE OVERNIGHT. 

$$

AZZ002-036-CAZ527-NVZ021-301800-
/O.CON.KVEF.WI.Y.0034.110430T1500Z-110501T0400Z/
LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA-
SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK...
BULLHEAD CITY...MOHAVE VALLEY...NEEDLES...HOOVER DAM...LAUGHLIN
1039 PM PDT FRI APR 29 2011 /1039 PM MST FRI APR 29 2011/

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM PDT /8 AM MST/ TO 9 PM
PDT /9 PM MST/ SATURDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 8 AM PDT /8 AM MST/ TO 9 PM
PDT /9 PM MST/ SATURDAY FOR THE LAKE MEAD NATIONAL RECREATION AREA
AND COLORADO RIVER VALLEY.

* WINDS: SUSTAINED NORTH WINDS 25 TO 30 MPH WITH GUSTS UP TO 50 
  MPH. 

* TIMING: WINDS WILL INCREASE EARLY SATURDAY MORNING...PEAK IN 
  THE AFTERNOON...AND DECREASE IN THE EVENING.

* LOCATIONS: HOOVER DAM...LAUGHLIN...NEEDLES...BULLHEAD CITY... 
  MOHAVE VALLEY...LAKE HAVASU...DESERT HILLS...TOPOCK

* IMPACTS: THESE STRONG WINDS COULD POSE A THREAT TO DRIVERS OF 
  MOTORCYLES...VANS...CAMPERS...TRAILERS...AND ANY 
  HIGH-PROFILE VEHICLES...ESPECIALLY ALONG EAST WEST ROADS 
  SUCH AS HIGHWAY 68 AND INTERSTATE 40. ALSO...THESE WINDS 
  COULD POTENTIALLY BE DANGEROUS TO CAMPERS AND ANY OTHER 
  INDIVIDUALS PARTICIPATING IN ANY AREA OUTDOOR ACTIVITIES 
  THIS WEEKEND. DANGEROUS BOATING CONDITIONS ARE EXPECTED ON 
  THE LAKES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CAMPERS AND THOSE PARTICIPATING IN ANY OUTDOOR ACTIVITIES IN THE
ADVISORY AREA SHOULD USE EXTRA CAUTION AND TAKE CARE TO SECURE
AWNINGS...TENTS...OR ANY OTHER ITEMS MAY BE PRONE TO WIND DAMAGE.
EXTRA TIME SHOULD BE TAKEN TO SECURE TRASH CANS...LIGHTWEIGHT
SIGNS...OR ANY OTHER ITEMS THAT MAY BE IMPACTED BY THESE STRONG
WINDS.

BOATERS IN THE WIND ADVISORY AREA SHOULD USE EXTREME CAUTION WHEN
VENTURING ONTO AREA LAKES. THESE WINDS WILL MAKE OPEN WATERS OF
LAKES ROUGH AND HAZARDOUS...AND MAY RESULT IN HIGH WAVES WHICH MAY
TIP OR SWAMP SMALLER CRAFT. FOR YOUR PERSONAL SAFETY...AVOID THE
OPEN WATERS. STAY CLOSE TO SHORE OR AROUND PROTECTED AREAS.

&&

$$
825 
WWUS75 KVEF 300853
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
153 AM PDT SAT APR 30 2011

.STRONG NORTHERLY WINDS WILL PRODUCE DANGEROUS BOATING CONDITIONS
IN THE COLORADO RIVER VALLEY TODAY.

AZZ002-036-CAZ527-NVZ021-301700-
/O.EXT.KVEF.WI.Y.0034.110430T0900Z-110501T0400Z/
LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA-
SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK...
BULLHEAD CITY...MOHAVE VALLEY...NEEDLES...HOOVER DAM...LAUGHLIN
153 AM PDT SAT APR 30 2011 /153 AM MST SAT APR 30 2011/

...WIND ADVISORY NOW IN EFFECT UNTIL 9 PM PDT /9 PM MST/ THIS
EVENING...

THE WIND ADVISORY FOR THE LAKE MEAD NATIONAL RECREATION AREA AND
THE COLORADO RIVER VALLEY IS NOW IN EFFECT UNTIL 9 PM THIS
EVENING.

* WINDS: SUSTAINED NORTH WINDS 25 TO 30 MPH WITH GUSTS UP TO 50 
  MPH. 

* TIMING: WINDS WILL PEAK THIS AFTERNOON AND DECREASE THIS EVENING.

* LOCATIONS: NEEDLES...HOOVER DAM...LAUGHLIN...BULLHEAD CITY...
  MOHAVE VALLEY...LAKE HAVASU...DESERT HILLS...TOPOCK 

* IMPACTS: THESE STRONG WINDS COULD POSE A THREAT TO DRIVERS OF
  MOTORCYLES...VANS...CAMPERS...TRAILERS...AND ANY HIGH-PROFILE
  VEHICLES...ESPECIALLY ALONG EAST WEST ROADS SUCH AS HIGHWAY 68
  AND INTERSTATE 40. DANGEROUS BOATING CONDITIONS ARE EXPECTED ON
  THE LAKES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CAMPERS AND THOSE PARTICIPATING IN ANY OUTDOOR ACTIVITIES IN THE
ADVISORY AREA SHOULD USE EXTRA CAUTION AND TAKE CARE TO SECURE
AWNINGS...TENTS...TRASH CANS...OR ANY OTHER ITEMS WHICH MAY BE
PRONE TO WIND DAMAGE.

BOATERS IN THE WIND ADVISORY AREA SHOULD USE EXTREME CAUTION WHEN
VENTURING ONTO AREA LAKES. THESE WINDS WILL MAKE OPEN WATERS OF
LAKES ROUGH AND HAZARDOUS...AND MAY RESULT IN HIGH WAVES WHICH MAY
TIP OR SWAMP SMALLER CRAFT. FOR YOUR PERSONAL SAFETY...AVOID THE
OPEN WATERS. STAY CLOSE TO SHORE OR AROUND PROTECTED AREAS.

&&

$$

MORGAN
382 
WWUS75 KVEF 301646
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
946 AM PDT SAT APR 30 2011

.STRONG NORTHERLY WINDS WILL PRODUCE DANGEROUS BOATING CONDITIONS
IN THE COLORADO RIVER VALLEY TODAY.

AZZ002-036-CAZ527-NVZ021-010100-
/O.CON.KVEF.WI.Y.0034.000000T0000Z-110501T0400Z/
LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA-
SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK...
BULLHEAD CITY...MOHAVE VALLEY...NEEDLES...HOOVER DAM...LAUGHLIN
946 AM PDT SAT APR 30 2011 /946 AM MST SAT APR 30 2011/

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT /9 PM MST/ THIS
EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT /9 PM MST/ THIS
EVENING FOR LAKE HAVASU AND FORT MOHAVE...LAKE MEAD NATIONAL
RECREATION AREA...SAN BERNARDINO COUNTY UPPER COLORADO RIVER
VALLEY.

* WINDS: SUSTAINED NORTH WINDS 25 TO 30 MPH WITH GUSTS UP TO 50 
  MPH. 

* TIMING: WINDS WILL CONTINUE THROUGH THE DAY BEFORE DECREASING
  THIS EVENING. THE STRONGEST WINDS ARE EXPECTED THROUGH 3 PM THIS
  AFTERNOON.

* LOCATIONS: NEEDLES...HOOVER DAM...LAUGHLIN...BULLHEAD CITY... 
  MOHAVE VALLEY...LAKE HAVASU...DESERT HILLS...TOPOCK

* IMPACTS: THESE STRONG WINDS COULD POSE A THREAT TO DRIVERS OF 
  MOTORCYLES...VANS...CAMPERS...TRAILERS...AND ANY 
  HIGH-PROFILE VEHICLES...ESPECIALLY ALONG EAST WEST ROADS 
  SUCH AS HIGHWAY 68 AND INTERSTATE 40. DANGEROUS BOATING 
  CONDITIONS ARE EXPECTED ON THE LAKES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CAMPERS AND THOSE PARTICIPATING IN ANY OUTDOOR ACTIVITIES IN THE
ADVISORY AREA SHOULD USE EXTRA CAUTION AND TAKE CARE TO SECURE
AWNINGS...TENTS...TRASH CANS...OR ANY OTHER ITEMS WHICH MAY BE
PRONE TO WIND DAMAGE.

BOATERS IN THE WIND ADVISORY AREA SHOULD USE EXTREME CAUTION WHEN
VENTURING ONTO AREA LAKES. THESE WINDS WILL MAKE OPEN WATERS OF
LAKES ROUGH AND HAZARDOUS...AND MAY RESULT IN HIGH WAVES WHICH MAY
TIP OR SWAMP SMALLER CRAFT. FOR YOUR PERSONAL SAFETY...AVOID THE
OPEN WATERS. STAY CLOSE TO SHORE OR AROUND PROTECTED AREAS.

&&

$$
917 
WWUS75 KVEF 302220
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
320 PM PDT SAT APR 30 2011

AZZ002-036-CAZ527-NVZ021-010400-
/O.CAN.KVEF.WI.Y.0034.000000T0000Z-110501T0400Z/
/O.NEW.KVEF.LW.Y.0009.110430T2220Z-110501T0400Z/
LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA-
SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
INCLUDING...LAKE HAVASU...DESERT HILLS...TOPOCK...
BULLHEAD CITY...MOHAVE VALLEY...NEEDLES...HOOVER DAM...LAUGHLIN
320 PM PDT SAT APR 30 2011 /320 PM MST SAT APR 30 2011/

...LAKE WIND ADVISORY IN EFFECT UNTIL 9 PM PDT /9 PM MST/ THIS
EVENING...
...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A LAKE WIND
ADVISORY FOR LAKE HAVASU AND FORT MOHAVE...LAKE MEAD NATIONAL
RECREATION AREA...SAN BERNARDINO COUNTY UPPER COLORADO RIVER
VALLEY...WHICH IS IN EFFECT UNTIL 9 PM PDT /9 PM MST/ THIS
EVENING. THE WIND ADVISORY HAS BEEN CANCELLED.

* WINDS: SUSTAINED NORTH WINDS 20 TO 25 WITH GUSTS BETWEEN 35 AND
  40 MPH.

* TIMING: WINDS WILL CONTINUE THROUGH THE REMAINDER OF THE
  AFTERNOON BEFORE DECREASING THIS EVENING.

* LOCATIONS: MAINLY SOUTH OF HOVER DAM...INCLUDING NEEDLES...
  LAUGHLIN...BULLHEAD CITY...MOHAVE VALLEY...LAKE HAVASU...DESERT
  HILLS...TOPOCK

* IMPACTS: THOSE ENGAGED IN OUTDOOR ACTIVITIES ON OR AROUND THE
  LAKES AND COLORADO RIVER SHOULD BE AWARE ROUGH WATER MAY BE
  ENCOUNTERED AND THAT WIND GENERATED WAVES MAY STRIKE AREA
  BEACHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP
ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 2:53 PM MSTRed Flag WarningVEFMohave30 hr
Apr 28, 9:25 PM MSTHigh Wind WarningVEFInyo10 hr
Apr 29, 9:56 AM MSTDust Storm WarningVEF2 hr

Nearby

Wind Advisories in Arizona, 2011Wind Advisories in California, 2011Wind Advisories in Nevada, 2011Every wind advisory in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.