Alert archive / Louisiana / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 124, NWS Lake Charles, LA

June 3, 2009Saint Landry Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Jun 3, 2009, 6:17 PM CDT for Saint Landry Parish, Louisiana. It was in force for 43 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: Jun 3, 2009, 6:17 PM CDT (23:17 UTC)
Expired: Jun 3, 2009, 7:00 PM CDT
In force: 43 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon

County Saint Landry Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 11.3 hours before the alert went out and 126 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: 1895 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 471 m above ground
0-6 km bulk shear: 3 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 38 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jun 3, 3:42 PM CDT, 2 hours 35 minutes earlier.

Area forecast discussion, Jun 3, 3:42 PM CDT, 2 hours 35 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
342 PM CDT WED JUN 3 2009

.DISCUSSION...
OLD MCS BOUNDARY IS KICKING OFF SHOWERS AND THUNDERSTORMS OVER
SOUTHEAST TEXAS WITH STORMS SLOWLY MOVING INTO EXTREME SOUTHWEST
LOUISIANA AT THIS TIME. A FEW SHOWERS WILL LINGER INTO THE LATE
EVENING BEFORE FALLING APART. RAIN COOLED AIR WILL MAKE MORNING
LOWS INTO THE UPPER 60S TO NEAR 70 UNDER CLOUDY SKIES.

TOMORROW...A WEAK COOL FRONT WILL MOVE THROUGH SE TX AND SW LA
DURING THE MORNING HOURS AND THROUGH S-CNTRL LA BY THE AFTERNOON
HOURS. SHOWERS WILL BE ENDING BEHIND THE FRONT.

THIS WEEKEND...COOL MORNINGS STARTING OFF AND WARM DRY FOR THE
AFTERNOON HOURS.

&&

.PRELIMINARY POINT TEMPS/POPS...
KLCH  70  86  66  89  67 /  40  30  10   0   0
KBPT  69  87  66  89  69 /  30  30  10   0   0
KAEX  69  84  63  89  66 /  40  20  10   0   0
KLFT  70  86  67  88  67 /  40  30  10   0   0

&&

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

K. KUYPER

Hazardous weather outlook, Jun 3, 5:02 AM CDT, 13 hours 15 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAKE CHARLES LA
502 AM CDT WED JUN 3 2009

GMZ430-432-435-450-452-455-470-472-475-LAZ027>033-041>045-051>055-
TXZ180>182-201-215-216-041015-
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 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-
502 AM CDT WED JUN 3 2009

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

.DAY ONE...TODAY AND TONIGHT
AN APPROACHING COLD FRONT...ALONG WITH AMPLE MOISTURE OVER THE AREA
AND RESIDUAL OUTFLOW BOUNDARIES FROM CONVECTION WILL PRODUCE
SCATTERED SHOWERS AND THUNDERSTORMS LATE THIS MORNING INTO THE
AFTERNOON. WIDESPREAD SEVERE WEATHER IS NOT EXPECTED...BUT A FEW
ISOLATED STRONG TO SEVERE STORMS ARE POSSIBLE WITH HAIL AND/OR
STRONG WINDS THE LIKELIEST THREATS.

EXPECT SHOWERS AND THUNDERSTORMS TO DIMINISH WITH THE LOSS OF
DAYTIME HEATING THIS EVENING...THEN INCREASE AGAIN OVERNIGHT AS
THE FRONT CROSSES THE AREA AND STALLS BRIEFLY NEAR THE COAST.
STORMS TONIGHT ARE NOT EXPECTED TO BE STRONG TO SEVERE.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY
SCATTERED SHOWERS AND THUNDERSTORMS WILL DECREASE FROM NORTHWEST
TO SOUTHEAST THURSDAY AS THE COLD FRONT MOVES THROUGH THE AREA.
WIDESPREAD SEVERE WEATHER IS NOT EXPECTED. DRY WEATHER WILL
PREVAIL FRIDAY THROUGH TUESDAY.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT ANTICIPATED.

24

In the hours before

Local storm report, Jun 3, 5:17 PM CDT, 1 hour before

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Special weather statement, Jun 3, 5:45 PM CDT, 32 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 3, 4:44 PM CDT	Severe Thunderstorm Warning	LCH	Allen, Beauregard, Vernon	46 min
Jun 3, 6:55 PM CDT	Severe Thunderstorm Warning	LCH	Avoyelles, Saint Landry	50 min
Jun 3, 1:22 PM CDT	Severe Thunderstorm Warning	LCH	Hardin, Jefferson, Orange	23 min
Jun 3, 1:51 PM CDT	Severe Thunderstorm Warning	LCH	Hardin, Jefferson, Orange	39 min
Jun 3, 3:29 PM CDT	Tornado Warning	LCH	Tyler	31 min
Jun 3, 3:36 PM CDT	Tornado Warning	LCH	Jasper, Newton	24 min
Jun 3, 4:46 PM CDT	Severe Thunderstorm Warning	LCH	Jasper, Tyler	44 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2009 Every severe thunderstorm warning in 2009

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.