Alert archive / Texas / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 44, NWS Lake Charles, LA

May 25, 2005Jasper County, Newton County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at May 25, 2005, 7:40 PM CDT for Jasper County, Newton County, Texas. It was in force for 65 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: May 25, 2005, 7:40 PM CDT (00:40 UTC)
Expired: May 25, 2005, 8:45 PM CDT
In force: 65 min
Issued by: NWS Lake Charles, LA
Area: Counties, with a storm outline in the text

Counties Jasper County, TX, Newton County, TX

The radar

The Lake Charles radar (KLCH), 96 km from the middle of the area, began a volume at 00:43 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, 0.7 hours before the alert went out and 97 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: 1680 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 1177 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 87 m²/s²
0-3 km storm-relative helicity: 125 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.6

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 May 25, 2:22 PM CDT, 5 hours 18 minutes earlier.

Area forecast discussion, May 25, 2:22 PM CDT, 5 hours 18 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
222 PM CDT WED MAY 25 2005

.DISCUSSION...
SURFACE FRONTAL BOUNDARY LAST PLOTTED AT MID DAY FROM LOWER
ATCHAFALAYA RIVER TO DERIDDER TO NORTH OF JASPER TEXAS IS PROGGED TO
MOVE SOUTHWEST TO NEAR SABINE LAKE BY EARLY THURSDAY MORNING. ON
SATELLITE...ONE CAN SEE A LARGE CLUSTER OF THUNDERSTORMS MOVING
SOUTHEAST 30 MPH. THIS SYSTEM COULD MOVE INTO THE NORTHWEST PARTS OF
THE FORECAST AREA THIS EVENING. WILL CALL FOR A CHANCE OF SHOWERS AND
THUNDERSTORMS ALL OF AREA TONIGHT DUE TO THE APPROACH OF THIS SYSTEM
ALONG FRONTAL BOUNDARY.

THE FRONTAL BOUNDARY IS PROGGED TO DISSIPATE NEAR THE COAST THURSDAY
AFTER USHERING DRIER AIR SOUTHWARD OVER THE REGION. WITH DRIER AIR
OVER THE REGION...CHANCES OF RAIN WILL BE VERY SMALL THURSDAY.

ANOTHER FRONTAL BOUNDARY IS PROGGED TO MOVE SOUTH INTO CENTRAL
LOUISIANA FRIDAY. MOISTURE WILL BUILD TO ABOVE NORMAL ACROSS THE AREA
NEAR / SOUTH OF THIS BOUNDARY SO THAT THERE WILL BE A SIGNIFICANT
CHANCE OF SHOWERS AND THUNDERSTORMS FRIDAY AND SATURDAY.

FOR THE OUTLOOK PERIOD SATURDAY NIGHT THROUGH WEDNESDAY...THERE WILL
BE A CHANCE OF SUMMERTIME THUNDERSTORMS MAINLY DURING THE AFTERNOONS
AND EVENINGS EACH DAY.

&&

.AVIATION...
VFR THROUGH MID DAY THURSDAY EXCEPT FOR AREAS OF MOSTLY LIGHT FOG LATE
TONIGHT AND EARLY THURSDAY MORNING.

&&

.MARINE...
PRESSURE GRADIENTS WILL NOT BE STRONG THROUGH FRIDAY.

&&

.PRELIMINARY POINT TEMPS/POPS...
KLCH  68  88  68  88 /  30   0   0  30
KBPT  69  89  68  87 /  30  10  10  40
KAEX  65  87  63  89 /  40   0   0  30
KLFT  68  87  67  88 /  30   0   0  30

&&

.LCH WATCHES/WARNINGS/ADVISORIES...
LA...NONE.
TX...NONE.

&&

Hazardous weather outlook, May 25, 5:49 AM CDT, 13 hours 51 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAKE CHARLES LA
549 AM CDT WED MAY 25 2005

GMZ450-455-470-475-LAZ027>033-041>045-051>055-TXZ180>182-201-215-216-
261200-
ACADIA-ALLEN-AVOYELLES-BEAUREGARD-CALCASIEU-CAMERON-EVANGELINE-
HARDIN-IBERIA-JASPER-JEFFERSON-JEFFERSON DAVIS-LAFAYETTE-
LOWER ST. MARTIN-NEWTON-ORANGE-RAPIDES-ST. LANDRY-ST. MARY-TYLER-
UPPER ST. MARTIN-VERMILION-VERNON-
INCLUDING THE CITIES OF...WOODVILLE...PORT ARTHUR...ORANGE...
NEWTON...KOUNTZE...JASPER...BEAUMONT...OBERLIN...ABBEVILLE...
VILLE PLATTE...OPELOUSAS...NEW IBERIA...MORGAN CITY...MARKSVILLE...
LEESVILLE...LAKE CHARLES...LAFAYETTE...JENNINGS...CROWLEY...
CAMERON AND ALEXANDRIA

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST TEXAS...SOUTHWEST
LOUISIANA...AND THE ADJACENT COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT

A SURFACE FRONT WILL SLOWLY MOVE SOUTH INTO THE REGION TODAY.
DAYTIME HEATING...COMBINED WITH ABUNDANT LOW LEVEL MOISTURE...WILL
RESULT IN A MODERATELY UNSTABLE AIRMASS BY THE AFTERNOON ALONG AND
SOUTH OF THE FRONT. THIS FRONT...ALONG WITH OUTFLOW BOUNDARIES LEFT
BEHIND BY OVERNIGHT THUNDERSTORMS THAT PASSED NORTH AND EAST OF THE
AREA...WILL SERVE AS FOCUS POINTS FOR ISOLATED TO SCATTERED
THUNDERSTORM DEVELOPMENT TODAY INTO THIS EVENING AS UPPER LEVEL
DISTURBANCES PASS OVERHEAD.

AREAS WEST OF A LINE FROM LAKE ARTHUR TO SIMPSON IN SOUTHWEST
LOUISIANA...AND ALL OF SOUTHEAST TEXAS...HAVE BEEN PLACED IN A SLIGHT
RISK BY THE STORM PREDICTION CENTER.  THE PRIMARY HAZARD FROM ANY
THUNDERSTORMS THAT BECOME SEVERE WILL BE LARGE HAIL AND DAMAGING
WINDS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

SLIGHT RAIN CHANCES WILL REMAIN IN THE FORECAST FOR THE REMAINDER OF
THE WEEK...WITH INCREASING CHANCES EXPECTED FOR THE WEEKEND.  AT THIS
TIME...THE PROBABILITY OF SEVERE THUNDERSTORMS IS LOW.

.SPOTTER INFORMATION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS, HAM RADIO OPERATORS, AND EMERGENCY
MANAGEMENT PERSONNEL...IN SUPPORT OF SEVERE WEATHER OPERATIONS...MAY
BE NEEDED THIS AFTERNOON AND THIS EVENING.

13

In the hours before

Local storm report, May 25, 6:39 PM CDT, 1 hour 1 minute before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
639 PM CDT WED MAY 25 2005

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

0630 PM     HAIL             2 NW CHESTER            30.94N 94.63W
05/25/2005  0.88 INCH        TYLER              TX   STORM CHASER

            REPORTED FROM CAMP TA-KU-LA.

&&

MOGGED

Local storm report, May 25, 7:33 PM CDT, 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
733 PM CDT WED MAY 25 2005

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

0728 PM     TSTM WND DMG     LUMBERTON               30.26N 94.20W
05/25/2005                   HARDIN             TX   LAW ENFORCEMENT

            TREES DOWN ON POWER LINES REPORTED BY HARDIN COUNTY
            SHERIFFS DEPT.

&&

MOGGED

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 8:08 PM CDT	Severe Thunderstorm Warning	LCH	Beauregard, Calcasieu	67 min
May 25, 8:55 PM CDT	Special Marine Warning	LCH		65 min
May 25, 7:25 PM CDT	Severe Thunderstorm Warning	LCH	Hardin	23 min
May 25, 7:52 PM CDT	Tornado Warning	LCH	Jasper, Newton	23 min

Nearby

Severe Thunderstorm Warnings in Texas, 2005 Every severe thunderstorm warning in 2005

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.