Alert archive / Louisiana / Winter Storm Warnings in 2011

Winter Storm Warning 1, NWS Lake Charles, LA

February 3, 2011Hardin County, Tyler County, Texas; 9 parishes in Louisiana

NWS Lake Charles, LA issued this winter storm warning at Feb 3, 2011, 4:54 AM CST for Hardin County, Tyler County, Texas; 9 parishes in Louisiana. It took effect at Feb 3, 2011, 12:00 PM CST. It was in force for 24 hr. 26 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 3, 2011, 4:54 AM CST (10:54 UTC)
In effect from
Feb 3, 2011, 12:00 PM CST
Expired
Feb 4, 2011, 12:02 PM CST
In force
24 hr
Issued by
NWS Lake Charles, LA

Counties Allen Parish, LA, Avoyelles Parish, LA, Beauregard Parish, LA, Evangeline Parish, LA, Lafayette Parish, LA, Rapides Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, Vernon Parish, LA, Hardin County, TX, Tyler County, TX

What was reported inside it

TimeReportWhereRemark
Feb 3, 12:01 PM CSTFREEZING RAIN 0Lafayette, LAKATC-TV REPORTS ICE ACCUMULATION ON THEIR SATELLITE DISHES AT THE TV STATION
Feb 3, 1:02 PM CSTFREEZING RAIN 0Krotz Springs, LAHWY 190 BRIDGE IS CLOSED DUE TO ICE
Feb 3, 2:02 PM CSTFREEZING RAIN 08 Ne Ville Platte, LAKATC-TV REPORTED I-49 AT HWY 29 BEING CLOSED DUE TO ICING
Feb 3, 3:33 PM CSTFREEZING RAIN 0Washington, LAKALB-TV REPORTED I-49 AT HIGHWAY 10 CLOSED IN WASHINGTON
Feb 3, 4:30 PM CSTFREEZING RAIN 04 Ssw Lafayette, LALAFAYETTE 911 REPORTS THE AMBASSADOR CAFFERY BRIDGE OVER THE VERMILION RIVER HAS ICED OVER.
Feb 3, 5:30 PM CSTFREEZING RAIN 0Fort Polk, LAPUBLIC DRIVING FROM FORT POLK TO LEESVILLE REPORTED FREEZING RAIN/SLEET MIX AT FORT POLK BUT CHANGEOVER TO ALL SNOW IN LEESVILLE
Feb 3, 6:03 PM CSTSNOW 0Leesville, LADUSTING OF SNOW REPORTED IN LEESVILLE
Feb 3, 7:44 PM CSTFREEZING RAIN 0Boyce, LATHE HIGHWAY 8 BRIDGE OVER THE RED RIVER BETWEEN BOYCE AND GRANT PARISH HAS BEEN CLOSED DUE TO ICING
Feb 3, 8:56 PM CSTFREEZING RAIN 01 Nne Union Hill, LAGROUND COVER BEGINNING TO FREEZE. FREEZING RAIN FALLING
Feb 3, 9:35 PM CSTFREEZING RAIN 0.11 Sw Alexandria, LALIGHT TO MODERATE FREEZING RAIN FALLING. ELEVATED SURFACES AND VEGETATION HAVE A SOLID ICE COATING ON THEM AT THIS TIME.
Feb 4, 12:15 AM CSTFREEZING RAIN 0Alexandria, LAI-49 FROM EXITS 80 TO 94 AS WELL AS ELEVATED PORTIONS OF I-49 THROUGH ALEXANDRIA HAVE BEEN CLOSED. THE GILLIS LONG BRIDGE HAS BEEN CLOSED. HOWEVER...THE O.K. ALLEN AND PURPLE HEART BRIDGE HAVE BEEN REOPENED AND TRAFFIC IS BEING REROUTED ONTO THESE OPEN BRIDGES
Feb 4, 1:15 AM CSTFREEZING RAIN 0Leesville, LA*** 1 FATAL *** ALEXANDRIA TOWN TALK REPORTED ONE FATALITY IN CAR ACCIDENT DUE TO ICY ROADS
Feb 4, 1:18 AM CSTFREEZING RAIN 02 E Henderson, LAI-10 CLOSED BETWEEN EXITS 121 AND 127 EAST OF HENDERSON DUE TO ROADWAY COVERED IN ICE. REPORTED ON LA DEPT OF TRANSPORTATION AND DEVELOPMENT WEBSITE.
Feb 4, 5:11 AM CSTFREEZING RAIN 0.25Leesville, LAPUBLIC REPORTS ICE COATING CARS AND TREES.
Feb 4, 5:45 AM CSTICE STORM 01 Sw Alexandria, LAAT LEAST 0.25 INCH ICE ACCRETION ON ALL ELEVATED SURFACES. OCCASIONAL THUNDER DURING THE PAST HOUR. A COUPLE OF TREE LIMBS SNAPPED WITH SCATTERED POWER OUTAGES.
Feb 4, 5:45 AM CSTFREEZING RAIN 0Woodville, TXTYLER COUNTY SHERIFFS REPORT A FEW CAR ACCIDENTS ON HWY 69 BRIDGE NEAR THE HARDIN-TLYLER COUNY LINE.
Feb 4, 6:15 AM CSTICE STORM 0Ville Platte, LAEM REPORTS AT LEAST 1/4 INCH OF ICE ACCUMULATION AND A FEW POWER LINES DOWN AT VILLE PLATTE. THUNDER BEING HEARD AS WELL.
Feb 4, 6:21 AM CSTFREEZING RAIN 0Silsbee, TXHARDIN COUNTY SHERIFFS DEPT REPORTS NUMEROUS CAR ACCIDENTS COUNTY WIDE...ALL ASSOCIATED WITH ICED BRIDGES.
Feb 4, 6:48 AM CSTFREEZING RAIN 0Oakdale, LASHERIFFS DEPT REPORTS MOST BRIDGES ICE COVERED WITH THREE CAR ACCIDENTS.
Feb 4, 6:56 AM CSTICE STORM 0Marksville, LASHERIFFS DEPARTMENT ESTIMATED 1 INCH ICE ACCUMULATION AND 2 BRIDGES CLOSED.
Feb 4, 6:56 AM CSTICE STORMAlexandria, LACLECO POWER COMPANY REPORTS 2,963 CUSTOMERS WITHOUT POWER IN RAPIDES PARISH DUE TO ICE ACCUMULATION ON POWERLINES. REPORT RECEIVED VIA KATC.COM
Feb 4, 6:56 AM CSTICE STORMOpelousas, LACLECO POWER COMPANY REPORTS 228 CUSTOMERS WITHOUT POWER IN SAINT LANDRY PARISH DUE TO ICE ACCUMULATION ON POWERLINES. REPORT RECEIVED VIA KATC.COM.
Feb 4, 7:26 AM CSTFREEZING RAIN 0.1Wildwood, TXOBSERVER REPORTS 0.10 INCH OF ICE COVERING EVERYTHING.
Feb 4, 8:20 AM CSTICE STORMAlexandria, LACLECO POWER COMPANY REPORTS 10,000 CUSTOMERS WITHOUT POWER
Feb 4, 8:20 AM CSTICE STORMOpelousas, LACLECO POWER COMPANY REPORTS 6,000 CUSTOMERS WITHOUT POWER.
Feb 4, 8:20 AM CSTICE STORMVille Platte, LACLECO POWER COMPANY REPORTS 8,000 CUSTOMERS WITHOUT POWER

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 10.9 hours before the alert went out and 73 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 00:00Z on 2011-02-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2011-02-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -31 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1523 m above ground
0-6 km bulk shear
81 kt
0-1 km storm-relative helicity
-31 m²/s²
0-3 km storm-relative helicity
223 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.

872 
WWUS44 KLCH 031054
WSWLCH

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
454 AM CST THU FEB 3 2011

...SIGNIFICANT WINTER WEATHER EVENT EXPECTED LATE THURSDAY
AFTERNOON INTO FRIDAY MORNING...

.AS A STRONG UPPER LEVEL DISTURBANCE MOVES OUT OF THE SOUTHWEST
UNITED STATES AND TOWARD THE REGION...MOISTURE ABOVE THE SURFACE
WILL RAPIDLY INCREASE ON THURSDAY AFTERNOON. THIS WARM MOIST AIR
WILL OVER-RIDE A VERY COLD CONTINENTAL AIR MASS AT THE SURFACE.
THIS WILL HELP PRODUCE A WINTRY MIX OF FREEZING RAIN...SLEET AND
SNOW ACROSS THE REGION. DUE TO THE POSSIBLE DURATION AND INTENSITY
OF THE PRECIPITATION...SIGNIFICANT SLEET AND ICE ACCUMULATION WILL
BE POSSIBLE...ESPECIALLY NORTHWEST OF A BEAUMONT TO LAKE CHARLES
TO LAFAYETTE LINE.

LAZ053>055-031800-
/O.CAN.KLCH.WW.Y.0001.110203T1800Z-110204T1500Z/
/O.NEW.KLCH.WW.Y.0002.110203T1054Z-110203T1800Z/
IBERIA-ST. MARY-LOWER ST. MARTIN-
INCLUDING THE CITIES OF...NEW IBERIA...MORGAN CITY
454 AM CST THU FEB 3 2011

...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON CST TODAY...

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A WINTER
WEATHER ADVISORY FOR LIGHT FREEZING RAIN AND SLEET...WHICH IS IN EFFECT
UNTIL NOON CST TODAY.

A MIXTURE OF LIGHT RAIN...LIGHT SLEET...AND LIGHT FREEZING RAIN IS
POSSIBLE DURING THE MORNING HOURS. SOME MINOR ICING...ESPECIALLY
ON ELEVATED ROADWAYS...BRIDGES AND OVERPASSES WILL BE POSSIBLE.  A
REPORT OF SOME ICING ON OVERPASSES ON HIGHWAY 90 IN SAINT MARY HAS
ALREADY BEEN RECEIVED. TEMPERATURES ARE EXPECTED TO WARM ENOUGH BY
MIDDAY...THAT ANY PRECIPITATION EXPECTED WILL BE IN THE FORM OF
RAIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

LAZ027>033-041>045-TXZ180>182-201-215-216-032200-
/O.UPG.KLCH.WS.A.0001.110203T1800Z-110204T1500Z/
/O.NEW.KLCH.WS.W.0001.110203T1800Z-110204T1800Z/
VERNON-RAPIDES-AVOYELLES-BEAUREGARD-ALLEN-EVANGELINE-ST. LANDRY-
CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-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...WOODVILLE...
JASPER...NEWTON...LUMBERTON...BEAUMONT/PORT ARTHUR...ORANGE
454 AM CST THU FEB 3 2011

...WINTER STORM WARNING IN EFFECT FROM NOON TODAY TO NOON CST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A WINTER
STORM WARNING FOR A MIX OF SNOW...SLEET...AND FREEZING RAIN...WHICH
IS IN EFFECT FROM NOON TODAY TO NOON CST FRIDAY. 

A MIXTURE OF RAIN...SLEET...AND LIGHT FREEZING RAIN IS POSSIBLE
BY THURSDAY AFTERNOON. LITTLE ICE ACCUMULATION IS EXPECTED DURING
THE MORNING OR EARLY AFTERNOON AS THE PRECIPITATION WILL START
OUT VERY LIGHT WITH TEMPERATURES HOVERING JUST ABOVE FREEZING. THE
PRECIPITATION IS EXPECTED TO INCREASE IN INTENSITY LATE THURSDAY
AFTERNOON AND NIGHT WITH TEMPERATURES FALLING TO NEAR OR BELOW FREEZING.
THIS WILL ALLOW FOR ACCUMULATION OF ICE...SLEET AND SNOW...ESPECIALLY
ON ELEVATED SURFACES. 

STORM TOTAL SNOW AND SLEET ACCUMULATIONS AROUND 2 INCHES...WITH
ISOLATED HIGHER AMOUNTS...WILL BE POSSIBLE NORTHWEST OF A LINE
FROM ALEXANDRIA TO SILSBEE.

STORM TOTAL ICE ACCUMULATIONS ALONG A LINE FROM ROUGHLY LAFAYETTE
TO LAKE CHARLES TO BEAUMONT...AND NORTHWEST TO ALEXANDRIA TO
SILSBEE...WILL AROUND 1/4 OF AN INCH...WITH ISOLATED HIGHER
AMOUNTS POSSIBLE.

THE PRECIPITATION IS EXPECTED TO DECREASE IN INTENSITY DURING
FRIDAY MORNING...THEN ENDING FROM WEST TO EAST FRIDAY AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED. THIS WILL MAKE TRAVEL VERY
HAZARDOUS OR IMPOSSIBLE. ALSO...ACCUMULATION OF SLEET OR ICE ON
TREE LIMBS AND POWERLINES WILL BE POSSIBLE...CAUSING SOME POWER OUTAGES.

&&

$$

LAZ051-052-032200-
/O.EXT.KLCH.WW.Y.0001.110203T1800Z-110204T1800Z/
CAMERON-VERMILION-
INCLUDING THE CITIES OF...CAMERON...ABBEVILLE
454 AM CST THU FEB 3 2011

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM NOON TODAY TO NOON
CST FRIDAY...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT FROM NOON TODAY TO
NOON CST FRIDAY. 

A MIXTURE OF RAIN...SLEET...AND LIGHT FREEZING RAIN IS POSSIBLE
BY THURSDAY AFTERNOON. LITTLE ICE ACCUMULATION IS EXPECTED AS THE
PRECIPITATION WILL START OUT VERY LIGHT WITH TEMPERATURES HOVERING
JUST ABOVE FREEZING. THE PRECIPITATION IS EXPECTED TO INCREASE IN
INTENSITY ON THURSDAY NIGHT WITH TEMPERATURES FALLING TO NEAR
FREEZING. THIS WILL ALLOW FOR SOME ICE ACCUMULATION...ESPECIALLY
ON ELEVATED SURFACES. ICE ACCUMULATION AROUND 1/10 INCH IS
POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

RUA
5 follow-up statements
254 
WWUS44 KLCH 031811
WSWLCH

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1211 PM CST THU FEB 3 2011

...SIGNIFICANT WINTER WEATHER EVENT EXPECTED LATE THURSDAY
AFTERNOON INTO FRIDAY MORNING...

.AS A STRONG UPPER LEVEL DISTURBANCE MOVES OUT OF THE SOUTHWEST
UNITED STATES AND TOWARD THE REGION...MOISTURE ABOVE THE SURFACE
WILL RAPIDLY INCREASE ON THURSDAY AFTERNOON. THIS WARM MOIST AIR
WILL OVER-RIDE A VERY COLD CONTINENTAL AIR MASS AT THE SURFACE.
THIS WILL HELP PRODUCE A WINTRY MIX OF FREEZING RAIN...SLEET AND
SNOW ACROSS THE REGION. DUE TO THE POSSIBLE DURATION AND
INTENSITY OF THE PRECIPITATION...SIGNIFICANT SLEET AND ICE
ACCUMULATION WILL BE POSSIBLE...ESPECIALLY NORTHWEST OF A
BEAUMONT TO LAKE CHARLES TO LAFAYETTE LINE.

LAZ053>055-040215-
/O.EXP.KLCH.WW.Y.0002.000000T0000Z-110203T1800Z/
/O.EXB.KLCH.WW.Y.0001.000000T0000Z-110204T1500Z/
IBERIA-ST. MARY-LOWER ST. MARTIN-
INCLUDING THE CITIES OF...NEW IBERIA...MORGAN CITY
1211 PM CST THU FEB 3 2011

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM CST FRIDAY...
...WINTER WEATHER ADVISORY HAS EXPIRED...

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A WINTER
WEATHER ADVISORY FOR LIGHT FREEZING RAIN...WHICH IS IN EFFECT
UNTIL 9 AM CST FRIDAY. 

A MIXTURE OF LIGHT RAIN...LIGHT SLEET...AND LIGHT FREEZING RAIN
WILL PERSIST THE REMAINDER OF TODAY INTO THIS EVENING. SOME MINOR
ICING... ESPECIALLY ON ELEVATED ROADWAYS...BRIDGES AND OVERPASSES
WILL BE POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF LIGHT FREEZING
RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY
ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

&&

$$

LAZ027>033-041>045-TXZ180>182-201-215-216-040215-
/O.CON.KLCH.WS.W.0001.000000T0000Z-110204T1800Z/
VERNON-RAPIDES-AVOYELLES-BEAUREGARD-ALLEN-EVANGELINE-ST. LANDRY-
CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-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...WOODVILLE...
JASPER...NEWTON...LUMBERTON...BEAUMONT/PORT ARTHUR...ORANGE
1211 PM CST THU FEB 3 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST FRIDAY. 

A MIXTURE OF RAIN...SLEET...AND FREEZING RAIN IS POSSIBLE. THE
PRECIPITATION IS EXPECTED TO INCREASE IN INTENSITY LATE THIS AFTERNOON
THROUGH THE EVENING. TEMPERATURES FALLING TO NEAR OR BELOW FREEZING.
THIS WILL ALLOW FOR ACCUMULATION OF ICE...SLEET AND SNOW...ESPECIALLY
ON ELEVATED SURFACES.

STORM TOTAL SNOW AND SLEET ACCUMULATIONS FROM 1 TO 2 INCHES WILL
BE POSSIBLE...ESPECIALLY NORTHWEST OF A LINE FROM ALEXANDRIA TO SILSBEE.

STORM TOTAL ICE ACCUMULATIONS ALONG A LINE FROM ROUGHLY LAFAYETTE
TO LAKE CHARLES TO BEAUMONT...AND NORTHWEST TO ALEXANDRIA TO
SILSBEE...WILL AROUND 1/4 OF AN INCH...WITH ISOLATED HIGHER
AMOUNTS POSSIBLE.

THE PRECIPITATION IS EXPECTED TO DECREASE IN INTENSITY DURING
THE MORNING HOURS ON FRIDAY...ENDING FROM WEST-TO-EAST BY FRIDAY
AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED. THIS WILL MAKE TRAVEL VERY
HAZARDOUS OR IMPOSSIBLE. ALSO...ACCUMULATION OF SLEET OR ICE ON
TREE LIMBS AND POWER LINES WILL BE POSSIBLE...CAUSING SOME POWER
OUTAGES.

&&

$$

LAZ051-052-040215-
/O.CON.KLCH.WW.Y.0001.000000T0000Z-110204T1800Z/
CAMERON-VERMILION-
INCLUDING THE CITIES OF...CAMERON...ABBEVILLE
1211 PM CST THU FEB 3 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
FRIDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
FRIDAY. 

A MIXTURE OF RAIN...SLEET...AND LIGHT FREEZING RAIN IS POSSIBLE.
THE PRECIPITATION IS EXPECTED TO INCREASE IN INTENSITY THIS
EVENING AS TEMPERATURES FALL TO NEAR FREEZING. THIS WILL ALLOW
FOR SOME ICE ACCUMULATION... ESPECIALLY ON ELEVATED SURFACES. ICE
ACCUMULATION AROUND 1/10 INCH IS POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$
894 
WWUS44 KLCH 040448
WSWLCH

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1048 PM CST THU FEB 3 2011

...SIGNIFICANT WINTER WEATHER EVENT EXPECTED LATE THURSDAY
AFTERNOON INTO FRIDAY MORNING...

.AS A STRONG UPPER LEVEL DISTURBANCE MOVES OUT OF THE SOUTHWEST
UNITED STATES AND TOWARD THE REGION...MOISTURE ABOVE THE SURFACE
WILL RAPIDLY INCREASE ON THURSDAY AFTERNOON. THIS WARM MOIST AIR
WILL OVER-RIDE A VERY COLD CONTINENTAL AIR MASS AT THE SURFACE.
THIS WILL HELP PRODUCE A WINTRY MIX OF FREEZING RAIN...SLEET AND
SNOW ACROSS THE REGION. DUE TO THE POSSIBLE DURATION AND
INTENSITY OF THE PRECIPITATION...SIGNIFICANT SLEET AND ICE
ACCUMULATION WILL BE POSSIBLE...ESPECIALLY NORTHWEST OF A
BEAUMONT TO LAKE CHARLES TO LAFAYETTE LINE.

LAZ027>033-041>045-TXZ180>182-201-215-216-041200-
/O.CON.KLCH.WS.W.0001.000000T0000Z-110204T1800Z/
VERNON-RAPIDES-AVOYELLES-BEAUREGARD-ALLEN-EVANGELINE-ST. LANDRY-
CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-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...WOODVILLE...
JASPER...NEWTON...LUMBERTON...BEAUMONT/PORT ARTHUR...ORANGE
1048 PM CST THU FEB 3 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST FRIDAY. 

A MIXTURE OF RAIN...SLEET...AND FREEZING RAIN IS POSSIBLE. THE
PRECIPITATION IS EXPECTED TO INCREASE IN INTENSITY LATE THIS
AFTERNOON THROUGH THE EVENING. TEMPERATURES FALLING TO NEAR OR
BELOW FREEZING. THIS WILL ALLOW FOR ACCUMULATION OF ICE...SLEET
AND SNOW...ESPECIALLY ON ELEVATED SURFACES.

STORM TOTAL SNOW AND SLEET ACCUMULATIONS FROM 1 TO 2 INCHES WILL
BE POSSIBLE...ESPECIALLY NORTHWEST OF A LINE FROM ALEXANDRIA TO
SILSBEE.

STORM TOTAL ICE ACCUMULATIONS ALONG A LINE FROM ROUGHLY LAFAYETTE
TO LAKE CHARLES TO BEAUMONT...AND NORTHWEST TO ALEXANDRIA TO
SILSBEE...WILL AROUND 1/4 OF AN INCH...WITH ISOLATED HIGHER
AMOUNTS POSSIBLE.

THE PRECIPITATION IS EXPECTED TO DECREASE IN INTENSITY DURING THE
MORNING HOURS ON FRIDAY...ENDING FROM WEST-TO-EAST BY FRIDAY
AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED. THIS WILL MAKE TRAVEL VERY
HAZARDOUS OR IMPOSSIBLE. ALSO...ACCUMULATION OF SLEET OR ICE ON
TREE LIMBS AND POWER LINES WILL BE POSSIBLE...CAUSING SOME POWER
OUTAGES.

&&

$$

LAZ053>055-041200-
/O.CON.KLCH.WW.Y.0001.000000T0000Z-110204T1500Z/
IBERIA-ST. MARY-LOWER ST. MARTIN-
INCLUDING THE CITIES OF...NEW IBERIA...MORGAN CITY
1048 PM CST THU FEB 3 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
FRIDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
FRIDAY. 

A MIXTURE OF LIGHT RAIN...LIGHT SLEET...AND LIGHT FREEZING RAIN
WILL PERSIST THE REMAINDER OF TODAY INTO THIS EVENING. SOME MINOR
ICING... ESPECIALLY ON ELEVATED ROADWAYS...BRIDGES AND OVERPASSES
WILL BE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF LIGHT FREEZING
RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY
ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

&&

$$

LAZ051-052-041200-
/O.CON.KLCH.WW.Y.0001.000000T0000Z-110204T1800Z/
CAMERON-VERMILION-
INCLUDING THE CITIES OF...CAMERON...ABBEVILLE
1048 PM CST THU FEB 3 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
FRIDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
FRIDAY. 

A MIXTURE OF RAIN...SLEET...AND LIGHT FREEZING RAIN IS POSSIBLE.
THE PRECIPITATION IS EXPECTED TO INCREASE IN INTENSITY THIS
EVENING AS TEMPERATURES FALL TO NEAR FREEZING. THIS WILL ALLOW
FOR SOME ICE ACCUMULATION... ESPECIALLY ON ELEVATED SURFACES. ICE
ACCUMULATION AROUND 1/10 INCH IS POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$
582 
WWUS44 KLCH 041111
WSWLCH

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
511 AM CST FRI FEB 4 2011

...FREEZING RAIN AND ICING MAKING FOR SOME TRAVEL PROBLEMS...

.AS A STRONG UPPER LEVEL DISTURBANCE MOVES OUT OF TEXAS AND INTO
ARKANSAS...RELATIVELY WARMER MOIST AIR WILL OVER-RIDE A VERY COLD
CONTINENTAL AIR MASS AT THE SURFACE. THIS WILL HELP PRODUCE FREEZING
RAIN...WITH A LITTLE SLEET AND SNOW MIXED IN ACROSS THE REGION.
DUE TO THE POSSIBLE DURATION AND INTENSITY OF THE PRECIPITATION...SIGNIFICANT
SLEET AND ICE ACCUMULATION WILL BE POSSIBLE...ESPECIALLY NORTHEAST OF
A LEESVILLE TO LAKE CHARLES TO LAFAYETTE LINE.

LAZ027>033-041>045-TXZ180>182-201-215-216-041800-
/O.CON.KLCH.WS.W.0001.000000T0000Z-110204T1800Z/
VERNON-RAPIDES-AVOYELLES-BEAUREGARD-ALLEN-EVANGELINE-ST. LANDRY-
CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-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...WOODVILLE...
JASPER...NEWTON...LUMBERTON...BEAUMONT/PORT ARTHUR...ORANGE
511 AM CST FRI FEB 4 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY. 

MAINLY FREEZING RAIN...WITH A SMALL CHANCE OF SLEET OR SNOW...WILL
CONTINUE THROUGH THE MORNING HOURS. THE PRECIPITATION WILL BE AT
ITS HEAVIEST FROM NOW UNTIL 9 AM...THEN GRADUALLY TAPER OFF AND
END. TEMPERATURES WILL HOVER NEAR OR JUST BELOW FREEZING. THIS
WILL ALLOW FOR ACCUMULATION OF ICE...ESPECIALLY ON ELEVATED
SURFACES.

STORM TOTAL SNOW AND SLEET ACCUMULATIONS WILL BE UP TO 1 INCH...NORTHWEST
OF A LINE FROM ALEXANDRIA TO SILSBEE.

STORM TOTAL ICE ACCUMULATIONS ROUGHLY WEST OF A LEESVILLE TO LAKE
CHARLES LINE...AND NORTH OF A LAKE CHARLES TO BEAUMONT LINE...WILL
BE BETWEEN 1/10 AND 1/4 OF AN INCH.

STORM TOTAL ICE ACCUMULATIONS ROUGHLY EAST OF A LEESVILLE TO LAKE
CHARLES LINE...AND NORTH OF A LAKE CHARLES TO LAFAYETTE LINE...WILL BE
BETWEEN 1/4 AND 1/2 OF AN INCH.

THE PRECIPITATION IS EXPECTED TO DECREASE IN INTENSITY BETWEEN 6 AND 9
AM OVER SOUTHEAST TEXAS AND BETWEEN 9 AM AND NOON OVER SOUTHERN
AND CENTRAL LOUISIANA...WITH PRECIPITATION ENDING BY AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED. THIS WILL MAKE TRAVEL VERY
HAZARDOUS OR IMPOSSIBLE. ALSO...ACCUMULATION OF SLEET OR ICE ON
TREE LIMBS AND POWER LINES WILL BE POSSIBLE...CAUSING SOME POWER
OUTAGES.

&&

$$

LAZ053-041800-
/O.EXT.KLCH.WW.Y.0001.000000T0000Z-110204T1800Z/
IBERIA-
INCLUDING THE CITY OF...NEW IBERIA
511 AM CST FRI FEB 4 2011

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL NOON CST TODAY...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL NOON CST
TODAY. 

A MIXTURE OF LIGHT RAIN...AND LIGHT FREEZING RAIN WILL PERSIST
THROUGH THE MORNING. SOME MINOR ICING...ESPECIALLY ON ELEVATED
ROADWAYS...BRIDGES AND OVERPASSES WILL BE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF LIGHT FREEZING
RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY
ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

&&

$$

LAZ054-055-041500-
/O.CON.KLCH.WW.Y.0001.000000T0000Z-110204T1500Z/
ST. MARY-LOWER ST. MARTIN-
INCLUDING THE CITY OF...MORGAN CITY
511 AM CST FRI FEB 4 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING. 

LIGHT FREEZING RAIN OR FREEZING DRIZZLE WILL MIX IN WITH THE RAIN UNTIL
MID-MORNING. SOME MINOR ICING...ESPECIALLY ON ELEVATED
ROADWAYS...BRIDGES AND OVERPASSES WILL BE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF LIGHT FREEZING
RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY
ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

&&

$$

LAZ051-052-041800-
/O.CON.KLCH.WW.Y.0001.000000T0000Z-110204T1800Z/
CAMERON-VERMILION-
INCLUDING THE CITIES OF...CAMERON...ABBEVILLE
511 AM CST FRI FEB 4 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
TODAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY.

A MIXTURE OF RAIN...AND LIGHT FREEZING RAIN IS POSSIBLE THROUGH
THE MORNING. SOME MINOR ICE ACCUMULATION...ESPECIALLY ON ELEVATED
SURFACES IS POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

RUA
052 
WWUS44 KLCH 041514
WSWLCH

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
914 AM CST FRI FEB 4 2011

...FREEZING RAIN AND ICING MAKING FOR SOME TRAVEL PROBLEMS...

.AS A STRONG UPPER LEVEL DISTURBANCE MOVES OUT OF TEXAS AND INTO
ARKANSAS...RELATIVELY WARMER MOIST AIR WILL OVER-RIDE A VERY COLD
CONTINENTAL AIR MASS AT THE SURFACE. THIS WILL HELP PRODUCE
FREEZING RAIN...WITH A LITTLE SLEET AND SNOW MIXED IN ACROSS THE
REGION. DUE TO THE POSSIBLE DURATION AND INTENSITY OF THE
PRECIPITATION...SIGNIFICANT SLEET AND ICE ACCUMULATION WILL BE
POSSIBLE...ESPECIALLY NORTHEAST OF A LEESVILLE TO LAKE CHARLES TO
LAFAYETTE LINE.

LAZ054-055-041615-
/O.EXP.KLCH.WW.Y.0001.000000T0000Z-110204T1500Z/
ST. MARY-LOWER ST. MARTIN-
INCLUDING THE CITY OF...MORGAN CITY
914 AM CST FRI FEB 4 2011

...WINTER WEATHER ADVISORY HAS EXPIRED...

THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. 


$$

LAZ027>033-041>045-TXZ180>182-201-215-216-041800-
/O.CON.KLCH.WS.W.0001.000000T0000Z-110204T1800Z/
VERNON-RAPIDES-AVOYELLES-BEAUREGARD-ALLEN-EVANGELINE-ST. LANDRY-
CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-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...WOODVILLE...
JASPER...NEWTON...LUMBERTON...BEAUMONT/PORT ARTHUR...ORANGE
914 AM CST FRI FEB 4 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY. 

MAINLY FREEZING RAIN...WITH A SMALL CHANCE OF SLEET OR SNOW...
WILL CONTINUE THROUGH THE MORNING HOURS. THE PRECIPITATION WILL
BE AT ITS HEAVIEST FROM NOW UNTIL 9 AM...THEN GRADUALLY TAPER OFF
AND END. TEMPERATURES WILL HOVER NEAR OR JUST BELOW FREEZING.
THIS WILL ALLOW FOR ACCUMULATION OF ICE...ESPECIALLY ON ELEVATED
SURFACES.

STORM TOTAL SNOW AND SLEET ACCUMULATIONS WILL BE UP TO 1 INCH...
NORTHWEST OF A LINE FROM ALEXANDRIA TO SILSBEE.

STORM TOTAL ICE ACCUMULATIONS ROUGHLY WEST OF A LEESVILLE TO LAKE
CHARLES LINE...AND NORTH OF A LAKE CHARLES TO BEAUMONT LINE...
WILL BE BETWEEN 1/10 AND 1/4 OF AN INCH.

STORM TOTAL ICE ACCUMULATIONS ROUGHLY EAST OF A LEESVILLE TO LAKE
CHARLES LINE...AND NORTH OF A LAKE CHARLES TO LAFAYETTE LINE...
WILL BE BETWEEN 1/4 AND 1/2 OF AN INCH.

THE PRECIPITATION IS EXPECTED TO DECREASE IN INTENSITY BETWEEN
6 AND 9 AM OVER SOUTHEAST TEXAS AND BETWEEN 9 AM AND NOON OVER
SOUTHERN AND CENTRAL LOUISIANA...WITH PRECIPITATION ENDING BY
AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED. THIS WILL MAKE TRAVEL VERY
HAZARDOUS OR IMPOSSIBLE. ALSO...ACCUMULATION OF SLEET OR ICE ON
TREE LIMBS AND POWER LINES WILL BE POSSIBLE...CAUSING SOME POWER
OUTAGES.

&&

$$

LAZ051>053-041800-
/O.CON.KLCH.WW.Y.0001.000000T0000Z-110204T1800Z/
CAMERON-VERMILION-IBERIA-
INCLUDING THE CITIES OF...CAMERON...ABBEVILLE...NEW IBERIA
914 AM CST FRI FEB 4 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
TODAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY.

A MIXTURE OF RAIN...AND LIGHT FREEZING RAIN IS POSSIBLE THROUGH
THE MORNING. SOME MINOR ICE ACCUMULATION...ESPECIALLY ON ELEVATED
SURFACES IS POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$
812 
WWUS44 KLCH 041802
WSWLCH

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1202 PM CST FRI FEB 4 2011

...PRECIPTATION ENDING FROM WEST TO EAST...

.A DISTURBANCE ALOFT WILL TRAVEL NORTHEAST ACROSS OKLAHOMA. THE
PRECIPITAION WILL FOLLOW IN TANDEM.

LAZ027>033-041>045-TXZ180>182-201-215-216-041915-
/O.CAN.KLCH.WS.W.0001.000000T0000Z-110204T1800Z/
VERNON-RAPIDES-AVOYELLES-BEAUREGARD-ALLEN-EVANGELINE-ST. LANDRY-
CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-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...WOODVILLE...
JASPER...NEWTON...LUMBERTON...BEAUMONT/PORT ARTHUR...ORANGE
1202 PM CST FRI FEB 4 2011

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS CANCELLED THE
WINTER STORM WARNING. 


$$

LAZ051>053-041915-
/O.CAN.KLCH.WW.Y.0001.000000T0000Z-110204T1800Z/
CAMERON-VERMILION-IBERIA-
INCLUDING THE CITIES OF...CAMERON...ABBEVILLE...NEW IBERIA
1202 PM CST FRI FEB 4 2011

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS CANCELLED THE
WINTER WEATHER ADVISORY. 


$$

What forecasters said that day

The local office's own words before this winter storm 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 winter storm warning went out at Feb 2, 11:46 PM CST, 5 hours 8 minutes earlier.

Area forecast discussion, Feb 2, 11:46 PM CST, 5 hours 8 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1146 PM CST WED FEB 2 2011

.DISCUSSION...
UPDATED FIRST PERIOD TEMPERATURES TO ACCOUNT FOR LATEST
TRENDS...WHICH RESULTED IN A SMALL INCREASE IN FORECAST LOWS.
READINGS ARE STILL EXPECTED TO FALL INTO HARD FREEZE CRITERIA...SO
NO ADJUSTMENT WAS NECESSARY TO THE HAZARD.

A COUPLE OF CONCERNING DEVELOPMENTS HAVE EMERGED IN LATEST MODEL
DATA FOR TOMORROW...LOWER TEMPERATURES AND HIGHER QPF AMOUNTS.
GIVEN THE INCREASING PROBABILITY THAT WARNING CRITERIA WILL BE MET
FROM THE GOLDEN TRIANGLE INTO LAKE CHARLES...HAVE REPLACED THE
ADVISORY IN THESE AREAS WITH A WINTER STORM WATCH. PRECIPITATION
TYPE ACROSS THE REGION CONTINUES TO BE PROBLEMATIC...WITH MORE
FREEZING RAIN AND SLEET SHOWING UP IN DETERMINATION METHODS THAN
SNOW. WILL LET THE MIDSHIFT FURTHER EVALUATE THIS AS ADDITIONAL
DATA BECOMES AVAILABLE.

13

&&

.PREV DISCUSSION... /ISSUED 1104 PM CST WED FEB 2 2011/

AVIATION UPDATE...REGARDING 06Z TAF ISSUANCE. ALTOCUMULUS AT
AROUND 9K FT HAS OVERSPREAD THE AREA. CLOUDINESS INCOMING AHEAD
OF OUR NEXT POTENTIAL WEATHER MAKER NOW OVER NEW MEXICO AS A MID
LEVEL LOW.

SYSTEM TO MAKE AN EASTWARD ADVANCE THURSDAY BRINGING DETERIORATING
WEATHER CONDITIONS TO THE AREA WITH AN UNUSUAL POTENTIAL FOR WINTER
TYPE PRECIPITATION. PRECIP TO INITIALLY SPREAD INTO THE ACADIANA
AREA THURSDAY MORNING INCLUDING ARA AND LFT. FORECAST SOUNDINGS
SUGGEST LOW LEVELS WILL BE SUFFICIENTLY COOL BELOW AN ELEVATED
WARM LAYER FOR A SLEET/FREEZING RAIN MIX. AS THE DAY
PROGRESSES WITH WARMING SURFACE TEMPERATURES ABOVE FREEZING...WILL
CARRY A RAIN/SLEET MIX BEFORE RETURNING BACK TO SLEET/FREEZING
RAIN GOING THROUGH THE EVENING HOURS. BELIEVE PRECIP WILL HOLD OFF
UNTIL AFTERNOON FOR LCH AND BPT. WILL START OUT WITH A CHANCE OF
LIGHT RAIN/SLEET...SWITCHING TO FREEZING RAIN/SLEET AFTER SUNSET.
FURTHER NORTH AT AEX WITH COOLER TEMPERATURES IN PLACE...EXPECTING
PRECIP AS A FREEZING RAIN/SNOW MIX.

ONSET OF PRECIPITATION AT ALL SITES WILL BE ACCOMPANIED BY LOWERING
CEILINGS INTO MVFR. WINDS WILL REMAIN NEAR STEADY AT AROUND 10
KNOTS FROM THE NORTH THROUGH THIS TAF PACKAGE.

MARCOTTE

PREV DISCUSSION... /ISSUED 644 PM CST WED FEB 2 2011/

AVIATION UPDATE...REGARDING 00Z TAF ISSUANCE. ALTOCUMULUS AT
AROUND 9K FT HAS OVERSPREAD OUR SOUTHERN TAF SITES OF BPT/LCH/LFT
AND ARA. THESE MID LEVEL CLOUDS WILL ADVANCE INTO CENTRAL
LOUISIANA INCLUDING AEX AS THE NIGHT PROGRESSES. CLOUDINESS INCOMING
AHEAD OF OUR NEXT POTENTIAL WEATHER MAKER NOW OVER NEW MEXICO AS A
MID LEVEL LOW.

SYSTEM TO MAKE AN EASTWARD ADVANCE THURSDAY BRINGING DETERIORATING
WEATHER CONDITIONS TO THE AREA WITH AN UNUSUAL POTENTIAL FOR WINTER
TYPE PRECIPITATION. PRECIP TO INITIALLY SPREAD INTO THE ACADIANA
AREA THURSDAY MORNING INCLUDING ARA AND LFT. FORECAST SOUNDINGS
SUGGEST LOW LEVELS WILL BE SUFFICIENTLY COOL BELOW AN ELEVATED
WARM LAYER FOR A SLEET/RAIN MIX. AS THE DAY PROGRESSES A CHANGE-
OVER TO ALL RAIN THROUGH THE AFTERNOON IS EXPECTED AS LOW LEVEL
TEMPERATURES MODIFY. ANY PRECIP IS NOT EXPECTED TO REACH THE LCH
AND BPT TERMINALS UNTIL AFTERNOON...AND WILL REMAIN A RAIN/SLEET
MIX. FURTHER NORTH AT AEX WITH FORECAST SOUNDS REMAINING AT OR
BELOW FREEZING...ANY PRECIP WILL FALL IN THE FORM OF LIGHT SNOW.

ONSET OF PRECIPITATION AT ALL SITES WILL BE ACCOMPANIED BY LOWERING
CEILINGS INTO MVFR. WINDS WILL REMAIN NEAR STEADY AT AROUND 10
KNOTS FROM THE NORTH THROUGH THIS TAF PACKAGE.

MARCOTTE

PREV DISCUSSION... /ISSUED 520 PM CST WED FEB 2 2011/

SYNOPSIS...
WITHIN THE SURFACE LAYER...A COLORADO HIGH WILL BUILD SOUTHEAST THROUGH
THE WESTERN GULF OF MEXICO...ITS OUTER PERIPHERY BEING MARKED BY A
STATIONARY FRONT EXTENDING THROUGH TAMPA TO THE BAY OF CAMPECHE.

WITHIN THE LOWER TROPOSPHERE...THE BERMUDA HIGH RIDGES WESTWARD ACROSS
CENTRAL FLORIDA AND INTO THE MIDSECTION OF THE GULF OF MEXICO.

AT MIDTROPOSPHERE...SHORTWAVES WILL ROTATE AROUND A DEEP CUTOFF OVER
DESERT OLD MEXICO...TRAVELING NORTHEAST AND PASSING OVER THE WESTERN
GULF COAST STATES.

DISCUSSION...

FOR TONIGHT...ADVECTIVE COOLING WILL BE ONGOING. INCOMING CANADIAN
AIR...HAVING AN EXTENSIVE OVER SNOW-COVERED TRAJECTORY...WILL RIDE
IN ON BLUE NORTHERS. HARD FREEZE WARNINGS ARE IN EFFECT.

INCOMING CARIBBEAN AIR WILL UPSLIDE OVER ARCTIC AIR IN PLACE AT
THE SURFACE. PASSING DISTURBANCES ALOFT WILL GIVE AN ADDED BOOST TO
THE UPSLIDING CARIBBEAN AIR. MAINLY RAIN IS EXPECTED. SOME FREEZING
DRIZZLE MAY BE MIXED IN WITH THE RAIN...MAINLY ACROSS SOUTH
CENTRAL LOUISIANA.

FOR THURSDAY NIGHT...FREEZING RAIN AND ICE PELLETS ARE EXPECTED
EAST OF A LAKE CHARLES TO ALEXANDRIA LINE...WHILE SNOW AND ICE
PELLETS ARE EXPECTED WEST OF THE LINE. THIS DIVIDING LINE WAS
BASED ON A SURFACE TO 850MB AND THE 850-700 MB PARTIAL THICKNESS
ANALYSES. SEE ADVISORIES AND WATCHES LISTED BELOW.

THE WINTRY PRECIPITATION WILL PERSIST DURING THE MORNING HOURS...
TAPERING OFF A LIGHT RAIN IN THE AFTERNOON. THE EARLY-MORNING
COMMUTE MAY BE DIFFICULT.

MARINE...
COLD CANADIAN AIR SLIDING OVER A RELATIVELY WARM SEA SURFACE WILL
MAKE FOR GUSTY NORTHERLY WINDS.

IN ADDITION...NORTHERLY WINDS WILL GIVE AN ADDED BOOST TO THE EBB
TIDE...WITH THE ACTUAL READINGS RUNNING ABOUT A FOOT BELOW THE
MEAN LOWER LOW WATER.

&&

.PRELIMINARY POINT TEMPS/POPS...
KLCH  25  34  27  39 /  10  60  90  70
KBPT  25  35  27  40 /  10  40  80  60
KAEX  23  34  27  41 /  10  40  80  60
KLFT  26  33  30  42 /  10  70  90  70

&&

.LCH WATCHES/WARNINGS/ADVISORIES...
LA...HARD FREEZE WARNING UNTIL 10 AM CST THURSDAY FOR ACADIA-ALLEN-
     AVOYELLES-BEAUREGARD-CALCASIEU-CAMERON-EVANGELINE-IBERIA-
     JEFFERSON DAVIS-LAFAYETTE-LOWER ST. MARTIN-RAPIDES-ST.
     LANDRY-ST. MARY-UPPER ST. MARTIN-VERMILION-VERNON.

     WINTER STORM WATCH FROM THURSDAY AFTERNOON THROUGH FRIDAY
     MORNING FOR ACADIA-ALLEN-AVOYELLES-BEAUREGARD-CALCASIEU-
     EVANGELINE-JEFFERSON DAVIS-LAFAYETTE-RAPIDES-ST. LANDRY-
     UPPER ST. MARTIN-VERNON.

     WINTER WEATHER ADVISORY FROM NOON THURSDAY TO 9 AM CST FRIDAY
     FOR CAMERON-IBERIA-LOWER ST. MARTIN-ST. MARY-VERMILION.

TX...HARD FREEZE WARNING UNTIL 10 AM CST THURSDAY FOR HARDIN-JASPER-
     JEFFERSON-NEWTON-ORANGE-TYLER.

     WINTER STORM WATCH FROM THURSDAY AFTERNOON THROUGH FRIDAY
     MORNING FOR HARDIN-JASPER-JEFFERSON-NEWTON-ORANGE-TYLER.

GM...SMALL CRAFT ADVISORY UNTIL 6 PM CST THURSDAY FOR 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.

     LOW WATER ADVISORY UNTIL 6 AM CST THURSDAY FOR CALCASIEU LAKE-
     SABINE LAKE-VERMILION BAY.

&&
Hazardous weather outlook, Feb 2, 5:45 AM CST, 23 hours 9 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAKE CHARLES LA
545 AM CST WED FEB 2 2011

LAZ027>033-041>045-051>055-TXZ180>182-201-215-216-031300-
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-
545 AM CST WED FEB 2 2011

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

.DAY ONE...TODAY AND TONIGHT
ARCTIC AIR WILL PREVAIL OVER THE AREA. LOW TEMPERATURES WILL BE IN
THE LOWER 20S ACROSS THE LAKES AREA OF SOUTHEAST TEXAS AND CENTRAL
LOUISIANA TO MID 20S ALONG INTERSTATE 10...TO UPPER 20S NEAR THE
COAST. A HARD FREEZE WARNING WILL BE IN EFFECT FOR ALL BUT SOUTH
CENTRAL LOUISIANA...WITH A FREEZE WARNING IN EFFECT FOR SOUTH
CENTRAL LOUISIANA.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY
A VERY COLD AIR MASS WILL REMAIN IN PLACE THROUGH FRIDAY. AN UPPER
LEVEL DISTURBANCE WILL MOVE ACROSS THE AREA ON THURSDAY NIGHT INTO
FRIDAY. THERE WILL BE A CHANCE OF SLEET MIXED WITH FREEZING
RAIN...MAINLY NORTHWEST OF A LAFAYETTE TO CAMERON LINE ON THURSDAY
NIGHT INTO EARLY FRIDAY MORNING. THERE WILL BE A CHANCE OF SOME
ICE ACCUMULATION DURING THAT TIME FRAME...AND INTERESTS SHOULD
CONTINUE TO MONITOR THIS DEVELOPING SITUATION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

GMZ430-432-435-450-452-455-470-472-475-031300-
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-
545 AM CST WED FEB 2 2011

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

.DAY ONE...TODAY AND TONIGHT
STRONG NORTH WINDS WILL CONTINUE WITH SUSTAINED WINDS BETWEEN 20
AND 25 KNOTS WITH GUSTS TO 30 KNOTS OVER THE NEAR SHORE AND OUTER
WATERS. THE NORTH WINDS WILL HELP LOWER WATER LEVELS IN COASTAL
LAKES AND BAYS...WITH LOW WATER CONDITIONS EXPECTED DURING LOW
TIDE TIMES.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY
THE STRONG NORTH WINDS WILL CONTINUE INTO EARLY FRIDAY BEFORE
WINDS DIMINISH OVER THE WEEKEND. ANOTHER COLD FRONT WILL MOVE
ACROSS ON MONDAY NIGHT WITH STRONG NORTH WINDS BEHIND IT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

RUA

In the hours before

Local storm report, Feb 3, 3:53 AM CST, 1 hour 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
353 AM CST THU FEB 03 2011

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

0315 AM     FREEZING RAIN    CENTERVILLE             29.76N 91.43W
02/03/2011  E0.00 INCH       ST. MARY           LA   PUBLIC

            TRUCK DRIVER REPORTED ICE ON OVERPASSES ON HIGHWAY 90
            NEAR CENTERVILLE DUE TO LIGHT FREEZING RAIN.

&&

ML

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 3, 4:23 AM CSTFreeze WarningLCH6 hr
Feb 3, 4:54 AM CSTWinter Weather AdvisoryLCHSaint Martin7 hr

Nearby

Winter Storm Warnings in Louisiana, 2011Winter Storm Warnings in Texas, 2011Every winter storm 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.