Alert archive / Texas / Wind Advisories in 2011

Wind Advisory 6, NWS Lake Charles, LA

March 22, 2011Hardin County, Tyler County, Texas; Beauregard Parish, Vernon Parish, Louisiana

NWS Lake Charles, LA issued this wind advisory at Mar 22, 2011, 9:21 AM CDT for Hardin County, Tyler County, Texas; Beauregard Parish, Vernon Parish, Louisiana. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Mar 22, 2011, 9:21 AM CDT (14:21 UTC)
Expired
Mar 22, 2011, 4:00 PM CDT
In force
7 hr
Issued by
NWS Lake Charles, LA

Counties Beauregard Parish, LA, Vernon Parish, LA, Hardin County, TX, Tyler County, TX

The radar

The Lake Charles radar (KLCH), 88 km from the middle of the area, began a volume at 14:26 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 12:00Z, 2.4 hours before the alert went out and 89 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 12:00Z on 2011-03-22Temperature 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, Lake Charles Mun, LA at 12:00Z on 2011-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -28 square meters per square second.193958Sfc1 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
649 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-28 m²/s²
0-3 km storm-relative helicity
53 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.

247 
WWUS74 KLCH 221421
NPWLCH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
921 AM CDT TUE MAR 22 2011

...MODERATE SOUTHERLY WINDS EXPECTED FOR TODAY...

.FALLING PRESSURES ACROSS THE TEXAS PANHANDLE WILL CREATE LARGE
DIFFERENCES IN PRESSURE ACROSS SOUTHEAST TEXAS AND SOUTHWEST
LOUISIANA. GUSTY SOUTHERLY WINDS ARE THE RESULT.

LAZ044-045-053>055-221530-
/O.EXP.KLCH.FG.Y.0016.000000T0000Z-110322T1400Z/
LAFAYETTE-UPPER ST. MARTIN-IBERIA-ST. MARY-LOWER ST. MARTIN-
INCLUDING THE CITIES OF...LAFAYETTE...ST. MARTINVILLE...
NEW IBERIA...MORGAN CITY
921 AM CDT TUE MAR 22 2011

...DENSE FOG ADVISORY HAS EXPIRED...

THE DENSE FOG ADVISORY IS NO LONGER IN EFFECT. 

$$

LAZ027-030-041-051-TXZ180>182-201-215-216-222100-
/O.NEW.KLCH.WI.Y.0006.110322T1421Z-110322T2100Z/
VERNON-BEAUREGARD-CALCASIEU-CAMERON-TYLER-JASPER-NEWTON-HARDIN-
JEFFERSON-ORANGE-
INCLUDING THE CITIES OF...LEESVILLE...DERIDDER...LAKE CHARLES...
CAMERON...WOODVILLE...JASPER...NEWTON...LUMBERTON...
BEAUMONT/PORT ARTHUR...ORANGE
921 AM CDT TUE MAR 22 2011

...WIND ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON. 

FALLING PRESSURES ACROSS THE TEXAS PANHANDLE WILL CREATE LARGE
DIFFERENCES IN PRESSURE ACROSS SOUTHEAST TEXAS AND SOUTHWEST
LOUISIANA. GUSTY SOUTHERLY WINDS ARE THE RESULT..

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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 22, 4:04 AM CDTDense Fog AdvisoryLCHLafayette, Saint Martin5 hr

Nearby

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