Alert archive / California / Wind Advisories in 2011

Wind Advisory 31, NWS Las Vegas, NV

April 26, 2011San Bernardino County, California

NWS Las Vegas, NV issued this wind advisory at Apr 26, 2011, 3:39 AM PDT for San Bernardino County, California. It was in force for 81 min.

The area

The counties it named.

The facts

Issued
Apr 26, 2011, 3:39 AM PDT (10:39 UTC)
Expired
Apr 26, 2011, 5:00 AM PDT
In force
81 min
Issued by
NWS Las Vegas, NV

County San Bernardino County, CA

The nearest sounding before it

Las Vegas, NV (KVEF), launched 00:00Z, 10.7 hours before the alert went out and 180 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 2011-04-26Temperature 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 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 2011-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 138 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
4018 m above ground
0-6 km bulk shear
81 kt
0-1 km storm-relative helicity
138 m²/s²
0-3 km storm-relative helicity
228 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.

444 
WWUS75 KVEF 261039
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
339 AM PDT TUE APR 26 2011

.STRONG WEST WINDS WILL CONTINUE ACROSS SAN BERNARDINO COUNTY
THROUGH TONIGHT BEFORE DECREASING BY EARLY TUESDAY MORNING. GUSTY
NORTH WINDS ARE THEN EXPECTED OVER THE LAKE MEAD NATIONAL
RECREATION AREA AND DOWN THE COLORADO RIVER VALLEY ON TUESDAY.

CAZ523-261200-
/O.CAN.KVEF.HW.W.0014.000000T0000Z-110426T1200Z/
/O.NEW.KVEF.WI.Y.0031.110426T1039Z-110426T1200Z/
WESTERN MOJAVE DESERT-
INCLUDING...BARSTOW...DAGGETT...FORT IRWIN
339 AM PDT TUE APR 26 2011

...WIND ADVISORY IN EFFECT UNTIL 5 AM PDT EARLY THIS MORNING...
...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND
ADVISORY FOR THE WESTERN MOJAVE DESERT...WHICH IS IN EFFECT UNTIL
5 AM PDT EARLY THIS MORNING. THE HIGH WIND WARNING HAS BEEN
CANCELLED.

* WINDS: WEST WINDS 25 TO 35 MPH WITH GUSTS UP TO 45 MPH.

* TIMING: ADVISORY LEVEL GUSTS WILL CONTINUE THROUGH 5 AM BEFORE
  DECREASING THROUGH THE MORNING HOURS. 

* LOCATIONS: BARSTOW...DAGGETT...FORT IRWIN.

* IMPACTS: WINDS WILL MAKE DRIVING DIFFICULT ON AREA
  ROADS...ESPECIALLY FOR HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DRIVERS...ESPECIALLY OF HIGH PROFILE VEHICLES...SHOULD USE CAUTION
AND REMAIN ALERT FOR SUDDEN GUSTS OR CROSS WINDS. CHECK OUR WEBSITE
AT WEATHER.GOV/LAS VEGAS FOR UPDATES ON THIS SITUATION.

&&

$$

CAZ524-525-261145-
/O.CAN.KVEF.WI.Y.0029.000000T0000Z-110426T1200Z/
EASTERN MOJAVE DESERT-MORONGO BASIN-
339 AM PDT TUE APR 26 2011

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS CANCELLED THE WIND
ADVISORY.

AS A COLD FRONT MOVES SOUTH ACROSS SAN BERNARDINO COUNTY WINDS
WILL CONTINUE TO DECREASE ACROSS THE EASTERN MOJAVE DESERT AND
MORONGO BASIN. THE WIND ADVISORY THAT WAS IN EFFECT UNTIL 5 AM PDT
HAS BEEN CANCELLED. 

$$

AZZ002-036-CAZ527-NVZ021-261215-
/O.CON.KVEF.WI.Y.0030.110426T1500Z-110426T2200Z/
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
339 AM PDT TUE APR 26 2011 /339 AM MST TUE APR 26 2011/

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM PDT /8 AM MST/ THIS
MORNING TO 3 PM PDT /3 PM MST/ THIS AFTERNOON...

A WIND ADVISORY REMAINS IN EFFECT FROM 8 AM PDT /8 AM MST/ THIS
MORNING TO 3 PM PDT /3 PM MST/ THIS AFTERNOON FOR THE LAKE MEAD
NATIONAL RECREATION AREA...LAKE HAVASU AND FORT MOHAVE AND THE
COLORADO RIVER VALLEY OF SAN BERNARDINO COUNTY.

* WINDS: NORTH WINDS 20 TO 30 MPH WITH GUSTS 40 TO 50 MPH. THE 
  STRONGEST WINDS WILL IMPACT THE LAUGHLIN...BULLHEAD CITY AND 
  DAVIS DAM AREA. 

* TIMING: WINDS WILL INCREASE CONTINUE TO INCREASE THIS
  MORNING...PEAK DURING THE LATE MORNING AND EARLY AFTERNOON...AND
  BEGIN TO DIMINISH IN THE LATE AFTERNOON.

* LOCATIONS: LAKE MEAD...LAKE MOHAVE...LAKE HAVASU...HOOVER DAM...DAVIS
  DAM.

* IMPACTS: DANGEROUS BOATING CONDITIONS ON THE LAKES AND THE 
  COLORADO RIVER. DIFFICULT DRIVING CONDITIONS ON EAST WEST 
  ROADS SUCH AS INTERSTATE 40...ESPECIALLY FOR HIGH PROFILE 
  VEHICLES. 

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.

&&

$$

PIERCE
1 follow-up statement
802 
WWUS75 KVEF 261157
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
457 AM PDT TUE APR 26 2011

.STRONG WEST WINDS WILL CONTINUE ACROSS SAN BERNARDINO COUNTY
THROUGH TONIGHT BEFORE DECREASING BY EARLY TUESDAY MORNING. GUSTY
NORTH WINDS ARE THEN EXPECTED OVER THE LAKE MEAD NATIONAL
RECREATION AREA AND DOWN THE COLORADO RIVER VALLEY ON TUESDAY.

CAZ523-261300-
/O.EXP.KVEF.WI.Y.0031.000000T0000Z-110426T1200Z/
WESTERN MOJAVE DESERT-
INCLUDING...BARSTOW...DAGGETT...FORT IRWIN
457 AM PDT TUE APR 26 2011

...WIND ADVISORY WILL EXPIRE AT 5 AM PDT EARLY THIS MORNING...

THE WIND ADVISORY WILL EXPIRE AT 5 AM PDT FOR THE WESTERN MOJAVE DESERT.

OBSERVATION STATIONS ACROSS NORTHWEST SAN BERNARDINO COUNTY
INDICATE WINDS SPEEDS AND GUSTS ARE ON THE DECREASE. THE WIND
ADVISORY WILL EXPIRE AT 5 AM PDT. 

$$

AZZ002-036-CAZ527-NVZ021-262000-
/O.CON.KVEF.WI.Y.0030.110426T1500Z-110426T2200Z/
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
457 AM PDT TUE APR 26 2011 /457 AM MST TUE APR 26 2011/

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM PDT /8 AM MST/ THIS
MORNING TO 3 PM PDT /3 PM MST/ THIS AFTERNOON...

A WIND ADVISORY REMAINS IN EFFECT FROM 8 AM PDT /8 AM MST/ THIS
MORNING TO 3 PM PDT /3 PM MST/ THIS AFTERNOON FOR THE LAKE MEAD
NATIONAL RECREATION AREA...LAKE HAVASU AND FORT MOHAVE AND THE
COLORADO RIVER VALLEY OF SAN BERNARDINO COUNTY. 

* WINDS: NORTH WINDS 20 TO 30 MPH WITH GUSTS 40 TO 50 MPH. THE 
  STRONGEST WINDS WILL IMPACT THE LAUGHLIN...BULLHEAD CITY AND 
  DAVIS DAM AREA. 

* TIMING: WINDS WILL INCREASE CONTINUE TO INCREASE THIS 
  MORNING... PEAK DURING THE LATE MORNING AND EARLY 
  AFTERNOON...AND BEGIN TO DIMINISH IN THE LATE AFTERNOON.

* LOCATIONS: LAKE MEAD...LAKE MOHAVE...LAKE HAVASU...HOOVER 
  DAM...DAVIS DAM. 

* IMPACTS: DANGEROUS BOATING CONDITIONS ON THE LAKES AND THE 
  COLORADO RIVER. DIFFICULT DRIVING CONDITIONS ON EAST WEST 
  ROADS SUCH AS INTERSTATE 40...ESPECIALLY FOR HIGH PROFILE 
  VEHICLES. 

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.

&&

$$

PIERCE

Nearby

Wind Advisories in California, 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.