Alert archive / Texas / Special Weather Statements in 2015

Special Weather Statement, NWS Lake Charles, LA

May 17, 2015Hardin County, Tyler County, Texas

NWS Lake Charles, LA issued this special weather statement at May 17, 2015, 3:02 PM CDT for Hardin County, Tyler County, Texas. It was in force for 28 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
May 17, 2015, 3:02 PM CDT (20:02 UTC)
Expired
May 17, 2015, 3:30 PM CDT
In force
28 min
Issued by
NWS Lake Charles, LA

Counties Hardin County, TX, Tyler County, TX

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 8.0 hours before the alert went out and 140 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 2015-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2562 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 2015-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 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
2562 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
613 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
125 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.

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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 May 17, 12:31 PM CDT, 2 hours 31 minutes earlier.

Area forecast discussion, May 17, 12:31 PM CDT, 2 hours 31 minutes before
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Hazardous weather outlook, May 17, 4:55 AM CDT, 10 hours 7 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAKE CHARLES LA
455 AM CDT SUN MAY 17 2015

LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262-
181115-
VERNON-RAPIDES-AVOYELLES-BEAUREGARD-ALLEN-EVANGELINE-ST. LANDRY-
CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-WEST CAMERON-
EAST CAMERON-TYLER-HARDIN-JEFFERSON-ORANGE-NORTHERN JASPER-
NORTHERN NEWTON-SOUTHERN JASPER-SOUTHERN NEWTON-
455 AM CDT SUN MAY 17 2015

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

.DAY ONE...TODAY AND TONIGHT

A COMPLEX OF SHOWERS AND THUNDERSTORMS DRIVEN BY AN UPPER LEVEL
DISTURBANCE IS EXPECTED TO REACH SOUTHEAST TEXAS THIS AFTERNOON
AND MOVE ACROSS CENTRAL LOUISIANA...MAINLY NORTH OF HIGHWAY 190
DURING THE AFTERNOON. OCCASIONAL TO FREQUENT CLOUD TO GROUND
LIGHTNING CAN BE EXPECTED...ALONG WITH THE POSSIBILITY OF LOCALLY
HEAVY RAINFALL WITH RATES BETWEEN 1 AND 2 INCHES PER HOUR.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A SURFACE TROUGH WILL MOVE INTO CENTRAL LOUISIANA AND UPPER
SOUTHEAST TEXAS ON MONDAY...THEN STALL AND WASH-OUT ON TUESDAY.
THIS SURFACE BOUNDARY WILL INTERACT WITH A VERY MOIST AIR MASS TO
PRODUCE A DECENT CHANCE FOR SHOWERS AND THUNDERSTORMS ON MONDAY
AND TUESDAY. THE STORMS WITH THIS ACTIVITY MAY PRODUCE LOCALLY
HEAVY RAINFALL WITH RATES BETWEEN 1 AND 2 INCHES PER HOUR...THAT
MAY ALLOW FOR MINOR FLOODING OF POOR DRAINAGE URBAN AREAS AND LOW
LYING AREAS. ALSO...FREQUENT CLOUD TO GROUND LIGHTNING CAN BE
EXPECTED. TYPICAL...HIT OR MISS...MAINLY AFTERNOON SHOWERS AND
STORMS CAN THEN BE EXPECTED FOR THE REMAINDER OF THE PERIOD.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

GMZ430-432-435-450-452-455-470-472-475-181115-
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-
455 AM CDT SUN MAY 17 2015

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

.DAY ONE...TODAY AND TONIGHT

MODERATE SOUTHEAST WINDS CAN BE EXPECTED TODAY WITH SMALL CRAFT
EXERCISE CAUTION CONDITIONS. ALSO...SOME SCATTERED THUNDERSTORMS
MAY MOVE INTO THE COASTAL WATERS THIS AFTERNOON PRODUCING LOCALLY
HIGHER WINDS AND SEAS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A SURFACE BOUNDARY WILL STALL NORTH OF THE COASTAL WATERS ON
MONDAY AND HELP PRODUCE SHOWERS AND STORMS INTO TUESDAY. ANY STORM
THAT DEVELOPS MAY PRODUCE LOCALLY HIGHER WINDS AND SEAS...ALONG
WITH OCCASIONAL CLOUD TO WATER LIGHTNING...AND HEAVY RAINFALL
CREATING POOR VISIBILITY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

RUA

In the hours before

Special weather statement, May 17, 3:02 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
302 PM CDT SUN MAY 17 2015

TXZ180-201-259-172030-
NORTHERN JASPER-HARDIN-TYLER-
302 PM CDT SUN MAY 17 2015

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT HARDIN...TYLER AND
NORTHWESTERN JASPER COUNTIES...

AT 301 PM CDT...A LINE OF STRONG THUNDERSTORMS WAS ALONG A LINE
EXTENDING FROM 10 MILES NORTH OF CHESTER TO NEAR ALABAMA-COUSHATTA
RESERVATION TO DAYTON...AND MOVING NORTHEAST AT 15 MPH.

WINDS IN EXCESS OF 40 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THESE
STORMS.

LOCATIONS IMPACTED INCLUDE...
WOODVILLE...KOUNTZE...SOUR LAKE...COLMESNEIL...CHESTER...THICKET...
TOWN BLUFF...SARATOGA...EBENEZER...WARREN...WILDWOOD...ROCKLAND...
VOTAW...VILLAGE MILLS...HONEY ISLAND...SPURGER...BATSON...IVANHOE...
SAM RAYBURN DAM AND HILLISTER.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
CAUSE LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 3049 9454 3091 9464 3103 9461 3106 9456
      3103 9447 3111 9406 3013 9430 3011 9460
      3049 9473
TIME...MOT...LOC 2001Z 232DEG 13KT 3106 9455 3068 9462 3004 9490

LANDRENEAU

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 4:00 PM CDTSpecial Weather StatementLCHBeauregard90 min
May 17, 5:06 PM CDTSpecial Weather StatementLCHRapides54 min
May 17, 5:10 PM CDTSpecial Weather StatementLCHCalcasieu50 min
May 17, 5:37 PM CDTAreal Flood AdvisoryLCHAllen, Beauregard, Calcasieu, Cameron, Evangeline, Jefferson Davis and 2 more3 hr
May 17, 12:12 PM CDTAreal Flood WarningLCHHardin, Jasper, Orange5 days
May 17, 3:49 PM CDTSpecial Weather StatementLCHHardin, Jasper, Jefferson, Newton, Orange, Tyler116 min

Nearby

Special Weather Statements in Texas, 2015Every special weather statement in 2015

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.