Alert archive / Louisiana / Wind Advisories in 2012

Wind Advisory 7, NWS Lake Charles, LA

February 24, 2012Cameron Parish, Lafayette Parish, Saint Martin Parish, Louisiana

NWS Lake Charles, LA issued this wind advisory at Feb 24, 2012, 3:40 AM CST for Cameron Parish, Lafayette Parish, Saint Martin Parish, Louisiana. It took effect at Feb 24, 2012, 6:30 AM CST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Feb 24, 2012, 3:40 AM CST (09:40 UTC)
In effect from
Feb 24, 2012, 6:30 AM CST
Expired
Feb 24, 2012, 3:34 PM CST
In force
9 hr
Issued by
NWS Lake Charles, LA

Counties Cameron Parish, LA, Lafayette Parish, LA, Saint Martin Parish, LA

The radar

The Lake Charles radar (KLCH), 89 km from the middle of the area, began a volume at 09:40 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

Lake Charles Mun, LA (KLCH), launched 00:00Z, 9.7 hours before the alert went out and 88 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 2012-02-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 122 joules per kilogram.LCLLFCEL10008507005003002001001 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 2012-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 160 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
122 J/kg
Mixed-layer CIN
-319 J/kg
Mixed-layer LCL
830 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
160 m²/s²
0-3 km storm-relative helicity
185 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.2

Open this sounding in Storm Lab

The text

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

919 
WWUS74 KLCH 240940
NPWLCH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
340 AM CST FRI FEB 24 2012

...STRONG NORTHERLY WINDS DEVELOPING THIS MORNING...

.STRONG NORTHERLY WINDS WILL DEVELOP THIS MORNING IN THE WAKE OF
A COLD FRONT. WINDS WILL GRADUALLY DIMINISH BY LATE AFTERNOON.

LAZ041>045-052>055-073-074-TXZ215-216-241800-
/O.NEW.KLCH.WI.Y.0007.120224T1500Z-120224T2200Z/
CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-WEST CAMERON-
EAST CAMERON-JEFFERSON-ORANGE-
INCLUDING THE CITIES OF...LAKE CHARLES...SULPHUR...JENNINGS...
WELSH...LAKE ARTHUR...CROWLEY...RAYNE...CHURCH POINT...
LAFAYETTE...BREAUX BRIDGE...ST. MARTINVILLE...ABBEVILLE...
KAPLAN...NEW IBERIA...MORGAN CITY...FRANKLIN...PATTERSON...
BERWICK...BAYOU VISTA...STEPHENSVILLE...HACKBERRY...HOLLY BEACH...
CAMERON...GRAND CHENIER...BEAUMONT...PORT ARTHUR...ORANGE...
VIDOR...BRIDGE CITY
340 AM CST FRI FEB 24 2012

...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 4 PM CST
THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 4 PM CST
THIS AFTERNOON. 

* TIMING...STRONG AND GUSTY WINDS WILL INCREASE BY 9 AM THIS
  MORNING AND PERSIST THROUGH MID-AFTERNOON.

* WINDS...NORTH WINDS 15 TO 25 MPH WITH GUSTS BETWEEN 30 AND 35 MPH.

* IMPACTS...SOME TREE LIMBS AND WEAK TREES COULD BE BLOWN DOWN.
  DRIVERS OF HIGH PROFILE VEHICLES COULD HAVE DIFFICULTY
  DRIVING...ESPECIALLY ON EAST-WEST ORIENTED ROADWAYS.

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.

&&

$$
2 follow-up statements
467 
WWUS74 KLCH 241230
NPWLCH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
630 AM CST FRI FEB 24 2012

...STRONG NORTHERLY WINDS DEVELOPING THIS MORNING...

.STRONG NORTHERLY WINDS WILL DEVELOP THIS MORNING IN THE WAKE OF
A COLD FRONT. WINDS WILL GRADUALLY DIMINISH BY LATE AFTERNOON.

LAZ041>045-052>055-073-074-TXZ215-216-242200-
/O.EXT.KLCH.WI.Y.0007.120224T1230Z-120224T2200Z/
CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-WEST CAMERON-
EAST CAMERON-JEFFERSON-ORANGE-
INCLUDING THE CITIES OF...LAKE CHARLES...SULPHUR...JENNINGS...
WELSH...LAKE ARTHUR...CROWLEY...RAYNE...CHURCH POINT...
LAFAYETTE...BREAUX BRIDGE...ST. MARTINVILLE...ABBEVILLE...
KAPLAN...NEW IBERIA...MORGAN CITY...FRANKLIN...PATTERSON...
BERWICK...BAYOU VISTA...STEPHENSVILLE...HACKBERRY...HOLLY BEACH...
CAMERON...GRAND CHENIER...BEAUMONT...PORT ARTHUR...ORANGE...
VIDOR...BRIDGE CITY
630 AM CST FRI FEB 24 2012

...WIND ADVISORY NOW IN EFFECT UNTIL 4 PM CST THIS AFTERNOON...

* TIMING...STRONG AND GUSTY WINDS WILL QUICKLY INCREASE EARLY
  THIS MORNING IN THE WAKE OF A COLD FRONT AND PERSIST THROUGH
  MID-AFTERNOON.

* WINDS...NORTH WINDS 15 TO 25 MPH WITH GUSTS BETWEEN 30 AND 35 
  MPH.

* IMPACTS...SOME TREE LIMBS AND WEAK TREES COULD BE BLOWN DOWN. 
  DRIVERS OF HIGH PROFILE VEHICLES COULD HAVE DIFFICULTY 
  DRIVING...ESPECIALLY ON EAST-WEST ORIENTED ROADWAYS. 

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.

&&

$$
166 
WWUS74 KLCH 242134
NPWLCH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
334 PM CST FRI FEB 24 2012

...WINDS ARE DIMINISHING OVER THE AREA LATE THIS AFTERNOON...

.AS HIGH PRESSURE BUILDS IN AND WITH THE LOSS OF MIXING DUE TO
DAYTIME HEATING, WINDS HAVE ALL BUT WITH THE EXCEPTION OF LOWER
SOUTHEAST TEXAS AND THOSE WINDS SHOULD DIMINISH BELOW ADVISORY
CRITERIA WITHIN THE HOUR.

LAZ041>045-052>055-073-074-TXZ215-216-242245-
/O.CAN.KLCH.WI.Y.0007.000000T0000Z-120224T2200Z/
CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-WEST CAMERON-
EAST CAMERON-JEFFERSON-ORANGE-
INCLUDING THE CITIES OF...LAKE CHARLES...SULPHUR...JENNINGS...
WELSH...LAKE ARTHUR...CROWLEY...RAYNE...CHURCH POINT...
LAFAYETTE...BREAUX BRIDGE...ST. MARTINVILLE...ABBEVILLE...
KAPLAN...NEW IBERIA...MORGAN CITY...FRANKLIN...PATTERSON...
BERWICK...BAYOU VISTA...STEPHENSVILLE...HACKBERRY...HOLLY BEACH...
CAMERON...GRAND CHENIER...BEAUMONT...PORT ARTHUR...ORANGE...
VIDOR...BRIDGE CITY
334 PM CST FRI FEB 24 2012

...WIND ADVISORY IS CANCELLED...

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

WINDS NEAR COASTAL SOUTHEAST TEXAS SHOULD FALL BELOW ADVISORY
CRITERIA WITHIN THE HOUR.

$$

SWEENEY

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 23, 8:11 PM CSTGale WarningLCH22 hr
Feb 23, 8:11 PM CSTSmall Craft AdvisoryLCH37 hr
Feb 24, 5:57 AM CSTSmall Craft AdvisoryLCH36 hr

Nearby

Wind Advisories in Louisiana, 2012Wind Advisories in Texas, 2012Every wind advisory in 2012

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.