Alert archive / Louisiana / Wind Advisories in 2013

Wind Advisory 2, NWS Lake Charles, LA

January 29, 2013Cameron Parish, Lafayette Parish, Saint Martin Parish, Louisiana

NWS Lake Charles, LA issued this wind advisory at Jan 29, 2013, 8:33 PM CST for Cameron Parish, Lafayette Parish, Saint Martin Parish, Louisiana. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Jan 29, 2013, 8:33 PM CST (02:33 UTC)
Expired
Jan 30, 2013, 4:00 AM CST
In force
7 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 02:33 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, 2.6 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 2013-01-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1450 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 2013-01-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 225 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
1450 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
474 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
225 m²/s²
0-3 km storm-relative helicity
314 m²/s²
Significant tornado parameter
2.4
Supercell composite
10.9

Open this sounding in Storm Lab

The text

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

051 
WWUS74 KLCH 300233
NPWLCH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
833 PM CST TUE JAN 29 2013

...WIND ADVISORY EXTENDED FOR PARTS OF THE AREA...

.STRONG SOUTHERLY WINDS ARE LINGERING ACROSS THE AREA THIS 
EVENING...THANKS TO DEEP LOW PRESSURE OVER THE MISSISSIPPI VALLEY 
PLUS STRONG WINDS ALOFT IN THE ATMOSPHERE MIXING DOWN TO THE 
SURFACE. THESE WINDS WILL GRADUALLY TAPER OFF TOWARD MIDNIGHT AS A 
COLD FRONT APPROACHES THE AREA.

LAZ041>045-052>055-073-074-TXZ215-216-300600-
/O.NEW.KLCH.WI.Y.0002.130130T0233Z-130130T0600Z/
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
833 PM CST TUE JAN 29 2013

...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. 

* TIMING...8 PM CST THROUGH 12 AM CST

* WINDS...SOUTHERLY WINDS AROUND 20 MPH WITH GUSTS TO 30 MPH.

* IMPACTS...POTENTIALLY HAZARDOUS DRIVING CONDITIONS THIS 
  AFTERNOON DUE TO STRONG SOUTH WINDS. DRIVERS OF HIGH PROFILE 
  VEHICLES SHOULD BE ESPECIALLY CAUTIOUS. 

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.

&&

$$

25
1 follow-up statement
689 
WWUS74 KLCH 300556
NPWLCH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1156 PM CST TUE JAN 29 2013

...WIND ADVISORY EXTENDED FOR SOUTH-CENTRAL LOUISIANA...

.STRONG SOUTHERLY WINDS ARE LINGERING ACROSS THE AREA TONIGHT...
THANKS TO DEEP LOW PRESSURE OVER THE MISSISSIPPI VALLEY PLUS
STRONG WINDS ALOFT IN THE ATMOSPHERE MIXING DOWN TO THE SURFACE.
THESE WINDS WILL GRADUALLY TAPER OFF DURING THE OVERNIGHT HOURS 
AS A COLD FRONT APPROACHES THE AREA.

LAZ041-042-073-074-TXZ215-216-300700-
/O.EXP.KLCH.WI.Y.0002.000000T0000Z-130130T0600Z/
CALCASIEU-JEFFERSON DAVIS-WEST CAMERON-EAST CAMERON-JEFFERSON-
ORANGE-
INCLUDING THE CITIES OF...LAKE CHARLES...SULPHUR...JENNINGS...
WELSH...LAKE ARTHUR...HACKBERRY...HOLLY BEACH...CAMERON...
GRAND CHENIER...BEAUMONT...PORT ARTHUR...ORANGE...VIDOR...
BRIDGE CITY
1156 PM CST TUE JAN 29 2013

...WIND ADVISORY WILL EXPIRE AT MIDNIGHT CST TONIGHT...

SUSTAINED WINDS HAVE DROPPED TO BELOW 20 MPH...THUS THE ADVISORY
WILL BE ALLOWED TO EXPIRE AS SCHEDULED AT MIDNIGHT.

$$

LAZ043>045-052>055-301000-
/O.EXT.KLCH.WI.Y.0002.000000T0000Z-130130T1000Z/
ACADIA-LAFAYETTE-UPPER ST. MARTIN-VERMILION-IBERIA-ST. MARY-
LOWER ST. MARTIN-
INCLUDING THE CITIES OF...CROWLEY...RAYNE...CHURCH POINT...
LAFAYETTE...BREAUX BRIDGE...ST. MARTINVILLE...ABBEVILLE...
KAPLAN...NEW IBERIA...MORGAN CITY...FRANKLIN...PATTERSON...
BERWICK...BAYOU VISTA...STEPHENSVILLE
1156 PM CST TUE JAN 29 2013

...WIND ADVISORY NOW IN EFFECT UNTIL 4 AM CST WEDNESDAY...

* TIMING...12 AM CST THROUGH 4 AM CST

* WINDS...SOUTHERLY WINDS AROUND 20 MPH WITH GUSTS TO 30 MPH.

* IMPACTS...POTENTIALLY HAZARDOUS DRIVING CONDITIONS THIS 
  AFTERNOON DUE TO STRONG SOUTH WINDS. DRIVERS OF HIGH PROFILE 
  VEHICLES SHOULD BE ESPECIALLY CAUTIOUS. 

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.

&&

$$

25

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 29, 9:22 PM CSTSevere Thunderstorm WarningLCHTyler53 min
Jan 29, 9:45 PM CSTSpecial Weather StatementLCHTyler60 min
Jan 30, 4:33 AM CSTWind AdvisoryLCHHardin, Jasper, Newton, Tyler13 hr
Jan 30, 12:15 AM CSTSpecial Weather StatementLCHAllen, Beauregard, Rapides60 min
Jan 30, 1:10 AM CSTSpecial Weather StatementLCHJefferson Davis65 min
Jan 30, 1:12 AM CSTSpecial Marine WarningLCH18 min
Jan 30, 1:14 AM CSTSpecial Weather StatementLCHAllen, Avoyelles, Evangeline61 min
Jan 30, 2:13 AM CSTSpecial Weather StatementLCHAcadia, Lafayette, Saint Landry62 min
Jan 30, 3:29 AM CSTSpecial Weather StatementLCHLafayette, Saint Martin61 min
Jan 30, 4:08 AM CSTSpecial Marine WarningLCH112 min
Jan 30, 4:22 AM CSTGale WarningLCH18 hr
Jan 30, 4:22 AM CSTLow Water AdvisoryLCH24 hr
Jan 30, 4:22 AM CSTSmall Craft Advisory for WindsLCH18 hr
Jan 30, 4:22 AM CSTSpecial Weather StatementLCHIberia, Saint Martin, St. Mary68 min
Jan 30, 5:50 AM CSTSpecial Weather StatementLCHSt. Mary40 min

Nearby

Wind Advisories in Louisiana, 2013Wind Advisories in Texas, 2013Every wind advisory in 2013

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.