Alert archive / Louisiana / Freeze Warnings in 2011

Freeze Warning 13, NWS Lake Charles, LA

February 1, 2011Saint Martin Parish, Louisiana

NWS Lake Charles, LA issued this freeze warning at Feb 1, 2011, 1:52 PM CST for Saint Martin Parish, Louisiana. It took effect at Feb 2, 2011, 12:00 AM CST. It was in force for . No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Feb 1, 2011, 1:52 PM CST (19:52 UTC)
In effect from
Feb 2, 2011, 12:00 AM CST
Expired
Feb 1, 2011, 10:00 PM CST
In force
Issued by
NWS Lake Charles, LA

County Saint Martin Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 7.9 hours before the alert went out and 153 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 2011-02-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 672 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2011-02-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 381 square meters per square second.1939587897117Sfc1 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
672 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
446 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
381 m²/s²
0-3 km storm-relative helicity
478 m²/s²
Significant tornado parameter
1.7
Supercell composite
8.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

703 
WWUS74 KLCH 011952
NPWLCH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
152 PM CST TUE FEB 1 2011

...AN ARCTIC COLD FRONT WILL SWEEP ACROSS THE REGION TUESDAY...

.AN ARCTIC COLD FRONT WILL RAPIDLY ADVANCE ACROSS THE AREA LATE
TUESDAY MORNING THROUGH EARLY AFTERNOON. WINDS OF 20 TO 25 MPH
WILL BE COMMON IN THE WAKE OF THE FRONT...ALONG WITH FREQUENT
HIGHER GUSTS. ADDITIONALLY A HARD FREEZE IS EXPECTED FOR
WEDNESDAY MORNING. TEMPERATURES WILL PLUMMET INTO THE LOW TO MID
20S FOR EARLY MORNING LOWS OVER CENTRAL LOUISIANA AND INTERIOR
SOUTHEAST TEXAS...IN THE MID TO UPPER 20S ALONG THE INTERSTATE
10 CORRIDOR TO THE COAST.

LAZ043>045-052-053-020400-
/O.CAN.KLCH.FZ.W.0012.000000T0000Z-110202T1600Z/
/O.EXB.KLCH.HZ.W.0006.110202T0200Z-110202T1600Z/
/O.CON.KLCH.WI.Y.0003.000000T0000Z-110202T0600Z/
ACADIA-LAFAYETTE-UPPER ST. MARTIN-VERMILION-IBERIA-
INCLUDING THE CITIES OF...CROWLEY...LAFAYETTE...ST. MARTINVILLE...
ABBEVILLE...NEW IBERIA
152 PM CST TUE FEB 1 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT...
...HARD FREEZE WARNING IN EFFECT FROM 8 PM THIS EVENING TO 10 AM
CST WEDNESDAY...
...FREEZE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A HARD
FREEZE WARNING...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO
10 AM CST WEDNESDAY. THE FREEZE WARNING HAS BEEN CANCELLED. A
WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. 

AN ARCTIC COLD FRONT IS RAPIDLY ADVANCING ACROSS THE AREA EARLY THIS
AFTERNOON. WINDS OF 20 TO 25 MPH WILL BE COMMON IN THE WAKE OF THE
FRONT...ALONG WITH FREQUENT HIGHER GUSTS. ADDITIONALLY A FREEZE IS
EXPECTED FOR WEDNESDAY MORNING. TEMPERATURES ARE EXPECTED TO
PLUMMET TO THE FREEZING MARK OVER ACADIANA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HARD FREEZE WARNING MEANS TEMPERATURES IN THE MID 20S OR COLDER
ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS
AND OTHER SENSITIVE VEGETATION.

BE CAREFUL HEATING YOUR HOME. KEEP SPACE HEATERS AT LEAST
36 INCHES AWAY FROM ANYTHING THAT CAN BURN. TURN IT OFF ANYTIME
YOU LEAVE THE ROOM OR GO TO BED.

TO PREVENT FREEZING AND POSSIBLE BURSTING OF OUTDOOR WATER
PIPES...PIPES SHOULD BE WRAPPED OR DRAINED.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 20 TO 34 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

WINDS OVER LOCAL WATERWAYS COULD BE 5 MPH HIGHER THAN OVER LAND.
SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

&&

$$

LAZ054-055-020400-
/O.CAN.KLCH.FZ.W.0012.000000T0000Z-110202T1600Z/
/O.NEW.KLCH.FZ.W.0013.110202T0600Z-110202T1600Z/
/O.CON.KLCH.WI.Y.0003.000000T0000Z-110202T0600Z/
ST. MARY-LOWER ST. MARTIN-
INCLUDING THE CITY OF...MORGAN CITY
152 PM CST TUE FEB 1 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT...
...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM CST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM CST
WEDNESDAY. A WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT. 

AN ARCTIC COLD FRONT WILL RAPIDLY ADVANCE ACROSS THE AREA EARLY
THIS AFTERNOON. WINDS OF 20 TO 25 MPH WILL BE COMMON IN THE WAKE
OF THE FRONT...ALONG WITH FREQUENT HIGHER GUSTS. ADDITIONALLY A
FREEZE IS EXPECTED FOR WEDNESDAY MORNING. TEMPERATURES ARE
EXPECTED TO PLUMMET TO THE FREEZING MARK OVER ACADIANA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. PEOPLE SHOULD TAKE MEASURES TO PROTECT PLANTS BY
COVERING THEM OR BRINGING THEM INSIDE. ALSO...PETS SHOULD BE
PROTECTED OR MOVED INDOORS.

BE CAREFUL HEATING YOUR HOME. SPACE HEATERS NEED TO BE KEPT
36 INCHES AWAY FROM ANYTHING THAT CAN BURN. TURN IT OFF WHEN YOU
LEAVE THE ROOM OR GO TO BED.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 20 TO 34 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

WINDS OVER LOCAL WATERWAYS COULD BE 5 MPH HIGHER THAN OVER LAND.
SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

&&

$$

LAZ027>033-041-042-051-TXZ180>182-201-215-216-020400-
/O.EXT.KLCH.HZ.W.0006.110202T0200Z-110202T1600Z/
/O.CON.KLCH.WI.Y.0003.000000T0000Z-110202T0600Z/
VERNON-RAPIDES-AVOYELLES-BEAUREGARD-ALLEN-EVANGELINE-ST. LANDRY-
CALCASIEU-JEFFERSON DAVIS-CAMERON-TYLER-JASPER-NEWTON-HARDIN-
JEFFERSON-ORANGE-
INCLUDING THE CITIES OF...LEESVILLE...ALEXANDRIA...MARKSVILLE...
DERIDDER...OAKDALE...VILLE PLATTE...OPELOUSAS...LAKE CHARLES...
JENNINGS...CAMERON...WOODVILLE...JASPER...NEWTON...LUMBERTON...
BEAUMONT/PORT ARTHUR...ORANGE
152 PM CST TUE FEB 1 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT...
...HARD FREEZE WARNING NOW IN EFFECT FROM 8 PM THIS EVENING TO
10 AM CST WEDNESDAY...

THE HARD FREEZE WARNING IS NOW IN EFFECT FROM 8 PM THIS EVENING
TO 10 AM CST WEDNESDAY. A WIND ADVISORY REMAINS IN EFFECT UNTIL
MIDNIGHT CST TONIGHT. 

AN ARCTIC COLD FRONT WILL RAPIDLY ADVANCE ACROSS THE AREA LATE
THIS MORNING THROUGH EARLY AFTERNOON. WINDS OF 20 TO 25 MPH WILL
BE COMMON IN THE WAKE OF THE FRONT...ALONG WITH FREQUENT HIGHER
GUSTS. ADDITIONALLY A HARD FREEZE IS EXPECTED FOR WEDNESDAY
MORNING. TEMPERATURES ARE EXPECTED TO PLUMMET FROM AROUND 20 FOR
INTERIOR SOUTHEAST TEXAS TO THE THE MID 20S FOR EARLY MORNING
LOWS OVER INTERSTATE 10 CORRIDOR FROM BEAUMONT AND LAKE CHARLES
TO JENNINGS AND SOUTH TO THE COAST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HARD FREEZE WARNING MEANS TEMPERATURES IN THE MID 20S OR COLDER
ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS
AND OTHER SENSITIVE VEGETATION.

BE CAREFUL HEATING YOUR HOME. KEEP SPACE HEATERS AT LEAST
36 INCHES AWAY FROM ANYTHING THAT CAN BURN. TURN IT OFF ANYTIME
YOU LEAVE THE ROOM OR GO TO BED.

TO PREVENT FREEZING AND POSSIBLE BURSTING OF OUTDOOR WATER
PIPES...PIPES SHOULD BE WRAPPED OR DRAINED.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 20 TO 34 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

WINDS OVER LOCAL WATERWAYS COULD BE 5 MPH HIGHER THAN OVER LAND.
SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

&&

$$
1 follow-up statement
591 
WWUS74 KLCH 020400
NPWLCH

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1000 PM CST TUE FEB 1 2011

...ARCTIC AIR CONTINUES TO SPILL INTO THE REGION...

.VERY COLD AIR CONTINUES TO SPILL INTO THE REGION THIS EVENING IN
THE WAKE OF THE COLD FRONT THAT MOVED THROUGH EARLIER TODAY.
TEMPERATURES ACROSS EAST TEXAS AND CENTRAL LOUISIANA ARE ALREADY
IN THE UPPER 20S. TEMPERATURES TONIGHT ARE EXPECTED TO CONTINUE
FALLING INTO THE UPPER TEENS TO MID 20S...RESULTING IN A HARD
FREEZE ACROSS THE ENTIRE REGION. 

LAZ054-055-021100-
/O.CAN.KLCH.FZ.W.0013.110202T0600Z-110202T1600Z/
/O.CAN.KLCH.WI.Y.0003.000000T0000Z-110202T0600Z/
/O.EXA.KLCH.HZ.W.0006.000000T0000Z-110202T1600Z/
ST. MARY-LOWER ST. MARTIN-
INCLUDING THE CITY OF...MORGAN CITY
1000 PM CST TUE FEB 1 2011

...HARD FREEZE WARNING IN EFFECT UNTIL 10 AM CST WEDNESDAY...
...FREEZE WARNING IS CANCELLED AND REPLACED WITH THE HARD FREEZE
WARNING... 
...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A HARD
FREEZE WARNING...WHICH IS IN EFFECT UNTIL 10 AM CST WEDNESDAY.
THE FREEZE WARNING HAS BEEN CANCELLED. THE WIND ADVISORY HAS BEEN
CANCELLED. 

TEMPERATURES ARE EXPECTED TO CONTINUE FALLING AND DROP TO THE
MID 20S OVER LOWER ACADIANA. 2 TO 4 HOURS OF HARD FREEZE
CONDITIONS ARE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HARD FREEZE WARNING MEANS TEMPERATURES IN THE MID 20S OR COLDER
ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS
AND OTHER SENSITIVE VEGETATION.

BE CAREFUL HEATING YOUR HOME. KEEP SPACE HEATERS AT LEAST
36 INCHES AWAY FROM ANYTHING THAT CAN BURN. TURN IT OFF ANYTIME
YOU LEAVE THE ROOM OR GO TO BED.

TO PREVENT FREEZING AND POSSIBLE BURSTING OF OUTDOOR WATER
PIPES...PIPES SHOULD BE WRAPPED OR DRAINED.

&&

$$

LAZ027>033-041>045-051>053-TXZ180>182-201-215-216-021100-
/O.CAN.KLCH.WI.Y.0003.000000T0000Z-110202T0600Z/
/O.CON.KLCH.HZ.W.0006.000000T0000Z-110202T1600Z/
VERNON-RAPIDES-AVOYELLES-BEAUREGARD-ALLEN-EVANGELINE-ST. LANDRY-
CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
CAMERON-VERMILION-IBERIA-TYLER-JASPER-NEWTON-HARDIN-JEFFERSON-
ORANGE-
INCLUDING THE CITIES OF...LEESVILLE...ALEXANDRIA...MARKSVILLE...
DERIDDER...OAKDALE...VILLE PLATTE...OPELOUSAS...LAKE CHARLES...
JENNINGS...CROWLEY...LAFAYETTE...ST. MARTINVILLE...CAMERON...
ABBEVILLE...NEW IBERIA...WOODVILLE...JASPER...NEWTON...
LUMBERTON...BEAUMONT/PORT ARTHUR...ORANGE
1000 PM CST TUE FEB 1 2011

...HARD FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM CST
WEDNESDAY...
...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS CANCELLED THE
WIND ADVISORY. A HARD FREEZE WARNING REMAINS IN EFFECT UNTIL
10 AM CST WEDNESDAY. 

TEMPERATURES ARE EXPECTED TO CONTINUE FALLING AND DROP TO THE UPPER
TEENS OVER THE EAST TEXAS LAKES INTO CENTRAL LOUISIANA...WHERE 8 
TO 12 HOURS OF HARD FREEZE CONDITIONS ARE POSSIBLE. READINGS ARE
EXPECTED TO FALL INTO THE LOWER TO MID 20S OVER THE INTERSTATE 10
CORRIDOR TO THE COAST...WHERE 4 TO 8 HOURS OF HARD FREEZE
CONDITIONS ARE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HARD FREEZE WARNING MEANS TEMPERATURES IN THE MID 20S OR COLDER
ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS
AND OTHER SENSITIVE VEGETATION.

BE CAREFUL HEATING YOUR HOME. KEEP SPACE HEATERS AT LEAST
36 INCHES AWAY FROM ANYTHING THAT CAN BURN. TURN IT OFF ANYTIME
YOU LEAVE THE ROOM OR GO TO BED.

TO PREVENT FREEZING AND POSSIBLE BURSTING OF OUTDOOR WATER
PIPES...PIPES SHOULD BE WRAPPED OR DRAINED.

&&

$$

13

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 31, 11:46 PM CSTDense Fog AdvisoryLCH6 hr
Jan 31, 11:50 PM CSTMarine Dense Fog AdvisoryLCH6 hr
Feb 1, 2:49 AM CSTFreeze WarningLCHLafayette, Saint Martin11 hr
Feb 1, 2:49 AM CSTHard Freeze WarningLCHAllen, Avoyelles, Beauregard, Evangeline, Lafayette, Rapides and 3 more31 hr
Feb 1, 3:55 AM CSTSmall Craft AdvisoryLCH3 days
Feb 1, 7:48 AM CSTSpecial Marine WarningLCH87 min
Feb 1, 8:15 AM CSTWind Chill AdvisoryLCHAllen, Avoyelles, Beauregard, Evangeline, Lafayette, Rapides and 3 more26 hr
Feb 1, 8:28 AM CSTSevere Thunderstorm WarningLCHAllen, Beauregard, Calcasieu, Cameron, Jefferson Davis, Rapides and 1 more77 min
Feb 1, 9:08 AM CSTTornado WarningLCHAllen, Beauregard, Calcasieu, Jefferson Davis37 min
Feb 1, 9:09 AM CSTSpecial Marine WarningLCH96 min
Feb 1, 9:43 AM CSTSpecial Weather StatementLCHAcadia, Allen, Avoyelles, Cameron, Evangeline, Jefferson Davis and 4 more92 min
Feb 1, 10:14 AM CSTSevere Thunderstorm WarningLCHAvoyelles, Evangeline, Rapides31 min
Feb 1, 10:40 AM CSTSevere Thunderstorm WarningLCHAcadia, Avoyelles, Evangeline, Saint Landry50 min
Feb 1, 10:44 AM CSTSpecial Marine WarningLCH91 min
Feb 1, 11:13 AM CSTSpecial Weather StatementLCHIberia, Lafayette, Saint Martin, St. Mary, Vermilion2 hr
Feb 1, 11:32 AM CSTSevere Thunderstorm WarningLCHSaint Landry, Saint Martin28 min
Feb 1, 12:08 PM CSTSpecial Marine WarningLCH2 hr

Nearby

Freeze Warnings in Louisiana, 2011Every freeze warning 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.