Alert archive / Texas / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 20, NWS Lake Charles, LA

April 26, 2006Newton County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 26, 2006, 3:52 AM CDT for Newton County, Texas. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 26, 2006, 3:52 AM CDT (08:52 UTC)
Expired: Apr 26, 2006, 4:15 AM CDT
In force: 23 min
Issued by: NWS Lake Charles, LA
Area: Counties, with a storm outline in the text

County Newton County, TX

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 25, 9:42 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 8.9 hours before the alert went out and 91 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2353 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 758 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 38 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.7

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Apr 25, 9:55 PM CDT, 5 hours 57 minutes earlier.

Area forecast discussion, Apr 25, 9:55 PM CDT, 5 hours 57 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
955 PM CDT TUE APR 25 2006

.UPDATE...
MADE CHANGES TO GRIDS...ZONES AND CWF TO REFLECT SEVERE
THUNDERSTORM WATCH ISSUED BY SPC THROUGH 4 AM.

&&

.PREV DISCUSSION... (ISSUED 854 PM CDT TUE APR 25 2006)

UPDATE...
RADARS CURRENTLY SHOWING A BAND OF THUNDERSTORMS FROM MAINLY LAKE
CHARLES TO THE VERMILION BAY ASSOCIATED WITH AN OUTFLOW BOUNDARY
FROM EARLIER STORMS THAT PRODUCED A REPORT OF NICKEL SIZE HAIL
ALONG WITH NEARLY 2 1/2 INCHES OF RAIN IN KLFT. ALSO...SCATTERED
SHOWERS AND THUNDERSTORMS ARE DEVELOPING IN EAST TEXAS AHEAD OF A
SOUTHEASTWARD ADVANCING COLD FRONT.

THE 26/00Z UPPER AIR SOUNDING FROM KLCH SHOWED A BASICLY UNCAPPED
AND A VERY MOIST AND UNSTABLE AIRMASS WITH PWAT AROUND 1.75 INCHES
AND CAPE JUST UNDER 3K J/KG.

WILL KEEP POPS IN THE LIKELY CATEGORY FOR TONIGHT AS MORE SHOWERS
AND THUNDERSTORMS DEVELOP...IN RESPONSE TO A COLD FRONT FROM EAST
TEXAS...AND A SHORT WAVE OVER SOUTH TEXAS...MOVING ACROSS THE AREA
DURING THE OVERNIGHT. WITH HIGH MOISTURE CONTENT COULD STILL SEE
SOME BRIEF HEAVY RAINFALL WITH THE STORMS.

&&

.PRELIMINARY POINT TEMPS/POPS...
KLCH  66  77  56  82 /  60  40  20  10
KBPT  65  80  58  81 /  60  30  20  10
KAEX  64  73  51  78 /  60  50  10  10
KLFT  68  76  57  79 /  60  50  30  10

&&

.LCH WATCHES/WARNINGS/ADVISORIES...
LA...SEVERE THUNDERSTORM WATCH UNTIL 4 AM WEDNESDAY FOR THE FOLLOWING
     ZONES: ACADIA...ALLEN...BEAUREGARD...CALCASIEU...CAMERON...
     EVANGELINE...JEFFERSON DAVIS...RAPIDES...VERMILION...AND
     VERNON.

TX...SEVERE THUNDERSTORM WATCH UNTIL 4 AM WEDNESDAY FOR THE FOLLOWING
     ZONES: HARDIN...JASPER...JEFFERSON...NEWTON...ORANGE...AND
     TYLER.

GM...SEVERE THUNDERSTORM WATCH UNTIL 4 AM WEDNESDAY FOR THE FOLLOWING
     ZONES: COASTAL WATERS FROM CAMERON, LA TO HIGH ISLAND, TX
     OUT 20 NM...AND COASTAL WATERS FROM INTRACOASTAL CITY TO
     CAMERON, LA OUT 20 NM.

&&

RUA

Hazardous weather outlook, Apr 25, 6:00 AM CDT, 21 hours 52 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAKE CHARLES LA
600 AM CDT TUE APR 25 2006

GMZ450-452-455-470-472-475-LAZ027>033-041>045-051>055-TXZ180>182-
201-215-216-261100-
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 EXTENDING FROM 20 NM
TO 60 NM-
WATERS FROM INTRACOASTAL CITY, LA TO CAMERON, LA EXTENDING FROM
20 NM TO 60 NM-
WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY, LA
EXTENDING FROM 20 NM TO 60 NM-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-JASPER-NEWTON-HARDIN-JEFFERSON-ORANGE-
600 AM CDT TUE APR 25 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL AND
SOUTHERN LOUISIANA...SOUTHEAST TEXAS...AND ADJACENT COASTAL WATERS
OUT 60 NAUTICAL MILES.

.DAY ONE...TODAY AND TONIGHT
A COLD FRONT APPROACHING THE AREA WILL COMBINE WITH INCREASED
MOISTURE AND PASSING DISTURBANCES TO PRODUCE SCATTERED SHOWERS AND
THUNDERSTORMS BEGINNING THIS AFTERNOON. A STORM OR TWO COULD BECOME
SEVERE WITH LARGE HAIL AND DAMAGING WINDS BEING THE MAIN THREAT.
NUMEROUS SHOWERS AND STORMS WILL CONTINUE THROUGH THE EVENING AND
OVERNIGHT HOURS AS THE FRONT CROSSES THE REGION.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
SEVERE WEATHER IS NOT EXPECTED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL LIKELY NOT BE NEEDED.

LGE

In the hours before

Local storm report, Apr 26, 1:59 AM CDT, 1 hour 53 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
159 AM CDT WED APR 26 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0116 AM     HAIL             LONGVILLE               30.60N 93.23W
04/26/2006  E1.75 INCH       BEAUREGARD         LA   PUBLIC

            PERSON AWAKENED BY GOLF BALL SIZE OR LARGER HAIL HITTING
            ROOF.

&&

RUA

Special weather statement, Apr 26, 3:12 AM CDT, 40 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
312 AM CDT WED APR 26 2006

LAZ027-030-260900-
BEAUREGARD-VERNON-
312 AM CDT WED APR 26 2006

...STORMS WITH EXCESSIVE LIGHTNING OVER BEAUREGARD PARISH...SOUTHERN
VERNON PARISH...

AT 308 AM CDT...NATIONAL WEATHER SERVICE LIGHTNING DETECTION
EQUIPMENT INDICATED A STORM WITH EXCESSIVE LIGHTNING OVER SINGER...
MOVING EAST AT 25 MPH.

LOCATIONS IN THE PATH OF THE LIGHTNING STORM INCLUDE AREAS BETWEEN
LEESVILLE AND LONGVILLE.

IF YOU ARE OUTDOORS...TAKE SHELTER IN A BUILDING OR ENCLOSED
AUTOMOBILE. TREES AND OPEN SHELTERS OFFER NO PROTECTION.

RUA

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 26, 1:06 AM CDT	Severe Thunderstorm Warning	LCH	Beauregard	39 min
Apr 26, 2:14 AM CDT	Severe Thunderstorm Warning	LCH	Hardin	61 min

Nearby

Severe Thunderstorm Warnings in Texas, 2006 Every severe thunderstorm warning in 2006

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.