Alert archive / Texas / Special Weather Statements in 2011

Special Weather Statement, NWS Lake Charles, LA

November 8, 2011Hardin County, Texas

NWS Lake Charles, LA issued this special weather statement at Nov 8, 2011, 3:36 PM CST for Hardin County, Texas. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Nov 8, 2011, 3:36 PM CST (21:36 UTC)
Expired
Nov 8, 2011, 4:00 PM CST
In force
24 min
Issued by
NWS Lake Charles, LA

County Hardin County, TX

The radar

The Houston radar (KHGX), 125 km from the middle of the area, began a volume at 21:38 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, 9.6 hours before the alert went out and 141 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 2011-11-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 403 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2011-11-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 139 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
403 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
438 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
139 m²/s²
0-3 km storm-relative helicity
201 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.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Lake Charles, LA wrote its last area forecast discussion before this special weather statement went out at Nov 8, 11:39 AM CST, 3 hours 57 minutes earlier.

Area forecast discussion, Nov 8, 11:39 AM CST, 3 hours 57 minutes before
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Hazardous weather outlook, Nov 8, 5:40 AM CST, 9 hours 56 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAKE CHARLES LA
540 AM CST TUE NOV 8 2011

GMZ430-432-435-450-452-455-470-472-475-091100-
SABINE LAKE-CALCASIEU LAKE-VERMILION BAY-
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX OUT 20 NM-
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM-
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA OUT 20 NM-
WATERS FROM CAMERON LA TO HIGH ISLAND TX FROM 20 TO 60 NM-
WATERS FROM  INTRACOASTAL CITY TO CAMERON LA FROM 20 TO 60 NM-
WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY LA FROM
20 TO 60 NM-
540 AM CST TUE NOV 8 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE NORTHWEST
GULF OF MEXICO.

.DAY ONE...TODAY AND TONIGHT

MODERATE SOUTHEAST WINDS AHEAD OF A COLD FRONT. SMALL CRAFT SHOULD
EXERCISE CAUTION. THUNDERSTORMS COULD REACH WARNING CRITERIA WITH
GUSTS GREATER THAN 35 KNOTS TONIGHT AHEAD OF THE FRONT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

STRONG NORTHERLY WINDS ABOVE ADVISORY CRITERIA UNTIL FRIDAY. WINDS
SHOULD DIMINISH LATE FRIDAY AS HIGH PRESSURE BUILDS IN.

.SPOTTER INFORMATION STATEMENT...
SPOTTERS ON VESSELS MAY BE NEEDED LATE TONIGHT IN SUPPORT OF
SEVERE WEATHER OPERATIONS. WE WILL BE CALLING ON AFFECTED RIGS FOR
ANY VERIFICATION DATA THROUGH THE DAY ON WEDNESDAY.

LAZ027>033-041>045-051>055-TXZ180-201-215-216-259>262-091100-
VERNON-RAPIDES-AVOYELLES-BEAUREGARD-ALLEN-EVANGELINE-ST. LANDRY-
CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
CAMERON-VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-TYLER-HARDIN-
JEFFERSON-ORANGE-NORTHERN JASPER-NORTHERN NEWTON-SOUTHERN JASPER-
SOUTHERN NEWTON-
540 AM CST TUE NOV 8 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
LOUISIANA...SOUTH CENTRAL LOUISIANA...SOUTHWEST LOUISIANA...WEST
CENTRAL LOUISIANA AND SOUTHEAST TEXAS.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS AFTER MIDNIGHT COULD REACH SEVERE LIMITS IN ADVANCE OF
A STRONG PACIFIC COLD FRONT. ONCE THE FRONT PASSES LATE TONIGHT,
THE SEVERE THREAT SHOULD END. ABOUT AN INCH OF RAINFALL SHOULD BE
COMMON FROM THIS SYSTEM.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

COOL AND CHILLY NIGHTS AND MILD DAYS INTO THIS WEEKEND. RAIN
CHANCES RETURN ON MONDAY AS ANOTHER PACIFIC FRONT APPROACHES.

.SPOTTER INFORMATION STATEMENT...
ACTIVATION OF SPOTTERS MAY BE REQUIRED IN SUPPORT OF SEVERE
WEATHER OPERATIONS TONIGHT.

SWEENEY

In the hours before

Special weather statement, Nov 8, 2:09 PM CST, 1 hour 27 minutes before
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Special weather statement, Nov 8, 3:36 PM CST, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Nov 8, 10:41 AM CSTSmall Craft AdvisoryLCH61 hr
Nov 8, 2:09 PM CSTSpecial Weather StatementLCHHardin36 min
Nov 8, 2:44 PM CSTTornado WarningLCHHardin46 min
Nov 8, 4:20 PM CSTSpecial Weather StatementLCHHardin25 min
Nov 8, 4:50 PM CSTSpecial Weather StatementLCHHardin40 min
Nov 8, 5:34 PM CSTSpecial Weather StatementLCHHardin56 min

Nearby

Special Weather Statements in Texas, 2011Every special weather statement 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.