Alert archive / Louisiana / Wind Advisories in 2011

Wind Advisory 22, NWS Lake Charles, LA

June 20, 2011Hardin County, Tyler County, Texas; 9 parishes in Louisiana

NWS Lake Charles, LA issued this wind advisory at Jun 20, 2011, 6:04 AM CDT for Hardin County, Tyler County, Texas; 9 parishes in Louisiana. It took effect at Jun 20, 2011, 10:00 AM CDT. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Jun 20, 2011, 6:04 AM CDT (11:04 UTC)
In effect from
Jun 20, 2011, 10:00 AM CDT
Expired
Jun 21, 2011, 1:40 AM CDT
In force
16 hr
Issued by
NWS Lake Charles, LA

Counties Allen Parish, LA, Avoyelles Parish, LA, Beauregard Parish, LA, Evangeline Parish, LA, Lafayette Parish, LA, Rapides Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, Vernon Parish, LA, Hardin County, TX, Tyler County, TX

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 11.1 hours before the alert went out and 73 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, Lake Charles Mun, LA at 00:00Z on 2011-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2561 joules per kilogram.LCLEL10008507005003002001001 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, Lake Charles Mun, LA at 00:00Z on 2011-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.1939Sfc1 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
2561 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
932 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
40 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

018 
WWUS74 KLCH 201104
NPWLCH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
604 AM CDT MON JUN 20 2011

...INCREASING SOUTHERLY WINDS EXPECTED TODAY OVER SOUTHEAST TEXAS...

.A DEEPENING LOW OVER THE PLAINS WILL COMBINE WITH HIGH PRESSURE
TO THE EAST TO PRODUCE A TIGHTENING PRESSURE GRADIENT TODAY OVER
THE REGION. WINDS ARE EXPECTED TO RESPOND TO THIS GRADIENT ONCE
DAYTIME HEATING TAKES HOLD. THESE STRONG WINDS SHOULD DIMINISH
SOME BY THIS EVENING.

TXZ180>182-201-215-216-201700-
/O.NEW.KLCH.WI.Y.0022.110620T1500Z-110621T0000Z/
TYLER-JASPER-NEWTON-HARDIN-JEFFERSON-ORANGE-
INCLUDING THE CITIES OF...WOODVILLE...JASPER...NEWTON...
LUMBERTON...BEAUMONT/PORT ARTHUR...ORANGE
604 AM CDT MON JUN 20 2011

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT
THIS EVENING. 

SOUTHERLY WINDS WILL INCREASE, BECOMING SUSTAINED AT AROUND 20
MPH...WITH HIGHER GUSTS...ACROSS SOUTHEAST TEXAS BEGINNING AROUND
MID-MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 20 TO 34 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

WINDS OVER LOCAL WATERWAYS COULD BE 5 MPH HIGHER THAN OVER LAND.
SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

SWEENEY

&&

$$
4 follow-up statements
309 
WWUS74 KLCH 201505
NPWLCH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1005 AM CDT MON JUN 20 2011

...INCREASING SOUTHERLY WINDS EXPECTED TODAY OVER THE AREA...

.A DEEPENING LOW OVER THE PLAINS WILL COMBINE WITH HIGH PRESSURE
TO THE EAST TO PRODUCE A TIGHTENING PRESSURE GRADIENT TODAY OVER
THE REGION. WINDS ARE EXPECTED TO RESPOND TO THIS GRADIENT ONCE
DAYTIME HEATING TAKES HOLD.

LAZ027>033-041>045-051>055-202315-
/O.EXA.KLCH.WI.Y.0022.000000T0000Z-110621T0000Z/
VERNON-RAPIDES-AVOYELLES-BEAUREGARD-ALLEN-EVANGELINE-ST. LANDRY-
CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
CAMERON-VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-
INCLUDING THE CITIES OF...LEESVILLE...ALEXANDRIA...MARKSVILLE...
DERIDDER...OAKDALE...VILLE PLATTE...OPELOUSAS...LAKE CHARLES...
JENNINGS...CROWLEY...LAFAYETTE...ST. MARTINVILLE...CAMERON...
ABBEVILLE...NEW IBERIA...MORGAN CITY
1005 AM CDT MON JUN 20 2011

...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

SOUTHERLY WINDS WILL INCREASE... BECOMING SUSTAINED BETWEEN 15 AND 25 MPH...WITH
HIGHER GUSTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 20 TO 34 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

WINDS OVER LOCAL WATERWAYS COULD BE 5 MPH HIGHER THAN OVER LAND.
SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.


$$

TXZ180>182-201-215-216-202315-
/O.CON.KLCH.WI.Y.0022.000000T0000Z-110621T0000Z/
TYLER-JASPER-NEWTON-HARDIN-JEFFERSON-ORANGE-
INCLUDING THE CITIES OF...WOODVILLE...JASPER...NEWTON...
LUMBERTON...BEAUMONT/PORT ARTHUR...ORANGE
1005 AM CDT MON JUN 20 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

SOUTHERLY WINDS WILL INCREASE... BECOMING SUSTAINED AT AROUND
20 MPH...WITH HIGHER GUSTS...ACROSS SOUTHEAST TEXAS BEGINNING
AROUND MID-MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 20 TO 34 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

WINDS OVER LOCAL WATERWAYS COULD BE 5 MPH HIGHER THAN OVER LAND.
SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.


$$
452 
WWUS74 KLCH 202032
NPWLCH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
332 PM CDT MON JUN 20 2011

...INCREASING SOUTHERLY WINDS EXPECTED TODAY OVER THE AREA...

.A DEEPENING LOW OVER THE PLAINS WILL COMBINE WITH HIGH PRESSURE
TO THE EAST TO PRODUCE A TIGHTENING PRESSURE GRADIENT TODAY OVER
THE REGION. WINDS ARE EXPECTED TO RESPOND TO THIS GRADIENT ONCE
DAYTIME HEATING TAKES HOLD.

LAZ051>054-TXZ215-210445-
/O.EXT.KLCH.WI.Y.0022.000000T0000Z-110621T1200Z/
CAMERON-VERMILION-IBERIA-ST. MARY-JEFFERSON-
INCLUDING THE CITIES OF...CAMERON...ABBEVILLE...NEW IBERIA...
MORGAN CITY...BEAUMONT/PORT ARTHUR
332 PM CDT MON JUN 20 2011

...WIND ADVISORY NOW IN EFFECT UNTIL 7 AM CDT TUESDAY...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 7 AM CDT TUESDAY. 

SOUTHERLY WINDS BETWEEN 15 AND 25 MPH...WITH HIGHER GUSTS WILL
CONTINUE THROUGH THE NIGHT ALONG THE COAST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 20 TO 34 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

WINDS OVER LOCAL WATERWAYS COULD BE 5 MPH HIGHER THAN OVER LAND.
SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

$$

LAZ027>033-041>045-055-TXZ180>182-201-216-210000-
/O.CON.KLCH.WI.Y.0022.000000T0000Z-110621T0000Z/
VERNON-RAPIDES-AVOYELLES-BEAUREGARD-ALLEN-EVANGELINE-ST. LANDRY-
CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
LOWER ST. MARTIN-TYLER-JASPER-NEWTON-HARDIN-ORANGE-
INCLUDING THE CITIES OF...LEESVILLE...ALEXANDRIA...MARKSVILLE...
DERIDDER...OAKDALE...VILLE PLATTE...OPELOUSAS...LAKE CHARLES...
JENNINGS...CROWLEY...LAFAYETTE...ST. MARTINVILLE...WOODVILLE...
JASPER...NEWTON...LUMBERTON...ORANGE
332 PM CDT MON JUN 20 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

SOUTHERLY WINDS OF 15 TO 25 MPH...WITH HIGHER GUSTS WILL DIMINISH
TOWARDS SUNSET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 20 TO 34 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

WINDS OVER LOCAL WATERWAYS COULD BE 5 MPH HIGHER THAN OVER LAND.
SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

$$
614 
WWUS74 KLCH 210040
NPWLCH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
740 PM CDT MON JUN 20 2011

...STRONG SOUTHERLY WINDS EXPECTED TO CONTINUE ALONG COAST
TONIGHT...

.A DEEPENING LOW OVER THE PLAINS WILL COMBINE WITH HIGH PRESSURE
TO THE EAST TO PRODUCE A TIGHTENING PRESSURE GRADIENT TODAY OVER
THE REGION. THIS WILL CONTINUE STRONG SOUTHERLY WINDS ALONG THE
COASTAL PARISHES AND COUNTIES.

LAZ051>054-TXZ215-211200-
/O.CON.KLCH.WI.Y.0022.000000T0000Z-110621T1200Z/
CAMERON-VERMILION-IBERIA-ST. MARY-JEFFERSON-
INCLUDING THE CITIES OF...CAMERON...ABBEVILLE...NEW IBERIA...
MORGAN CITY...BEAUMONT/PORT ARTHUR
740 PM CDT MON JUN 20 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT TUESDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT TUESDAY. 

SOUTHERLY WINDS BETWEEN 15 AND 25 MPH...WITH HIGHER GUSTS WILL
CONTINUE THROUGH THE NIGHT ALONG THE COAST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 20 TO 34 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

WINDS OVER LOCAL WATERWAYS COULD BE 5 MPH HIGHER THAN OVER LAND.
SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

$$
292 
WWUS74 KLCH 210640
NPWLCH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
140 AM CDT TUE JUN 21 2011

...WINDS HAVE DIMINISHED ACROSS THE I-10 CORRIDOR....

.DESPITE A STRONG PRESSURE GRADIENT, WINDS HAVE DIMINISHED AT THE SURFACE
DUE TO WARMER AIR HEADING IN FROM THE SOUTH. LOSS OF DAYTIME
HEATING HAS REDUCED THE REQUIRED MIXING. THE GRADIENT WILL NOT BE
AS TIGHT ON TUESDAY.

LAZ051>054-TXZ215-210745-
/O.CAN.KLCH.WI.Y.0022.000000T0000Z-110621T1200Z/
CAMERON-VERMILION-IBERIA-ST. MARY-JEFFERSON-
INCLUDING THE CITIES OF...CAMERON...ABBEVILLE...NEW IBERIA...
MORGAN CITY...BEAUMONT/PORT ARTHUR
140 AM CDT TUE JUN 21 2011

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS CANCELLED THE
WIND ADVISORY. 



$$

SWEENEY

The office that day

Everything else NWS Lake Charles, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 20, 10:09 AM CDTSmall Craft AdvisoryLCH27 hr

Nearby

Wind Advisories in Louisiana, 2011Wind Advisories in Texas, 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.