Alert archive / Louisiana / Special Weather Statements in 2012

Special Weather Statement, NWS Lake Charles, LA

February 4, 2012Allen Parish, Rapides Parish, Louisiana

NWS Lake Charles, LA issued this special weather statement at Feb 4, 2012, 8:39 AM CST for Allen Parish, Rapides Parish, Louisiana. It was in force for 66 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Feb 4, 2012, 8:39 AM CST (14:39 UTC)
Expired: Feb 4, 2012, 9:45 AM CST
In force: 66 min
Issued by: NWS Lake Charles, LA

Counties Allen Parish, LA, Rapides Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 2.7 hours before the alert went out and 135 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: 1276 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 433 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 88 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

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

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Feb 4, 7:53 AM CST, 46 minutes earlier.

Area forecast discussion, Feb 4, 7:53 AM CST, 46 minutes before

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Hazardous weather outlook, Feb 4, 5:14 AM CST, 3 hours 25 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAKE CHARLES LA
514 AM CST SAT FEB 4 2012

LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262-
051115-
VERNON-RAPIDES-AVOYELLES-BEAUREGARD-ALLEN-EVANGELINE-ST. LANDRY-
CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-WEST CAMERON-
EAST CAMERON-TYLER-HARDIN-JEFFERSON-ORANGE-NORTHERN JASPER-
NORTHERN NEWTON-SOUTHERN JASPER-SOUTHERN NEWTON-
514 AM CST SAT FEB 4 2012

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

WIDESPREAD SHOWERS AND HEAVY RAIN PRODUCING THUNDERSTORMS WILL
ADVANCE ACROSS THE AREA TODAY ALONG AND AHEAD OF AN INCOMING COLD
FRONT. A FLASH FLOOD WATCH HAS BEEN ISSUED FOR THE AREA ALONG AND
NORTH OF INTERSTATE 10. 1 TO 2 INCHES OF RAINFALL WILL BE
COMMON...WITH ISOLATED AREAS RECEIVING UP TO 5 INCHES. THIS ON TOP
OF GROUND ALREADY SATURATED BY RECENT RAINS WILL SET THE STAGE FOR
POTENTIAL LIFE THREATENING FLOODING. THIS ACTIVITY WILL DIMINISH
GOING THROUGH THE EVENING HOURS AS THE FRONT PASSES EAST OF THE
REGION.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

NO SIGNIFICANT WEATHER ANTICIPATED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED.

GMZ430-432-435-450-452-455-470-472-475-051115-
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 FROM 20 TO 60 NM-
WATERS FROM  INTRACOASTAL CITY TO CAMERON LA FROM 20 TO 60 NM-
WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY LA FROM
20 TO 60 NM-
514 AM CST SAT FEB 4 2012

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

.DAY ONE...TODAY AND TONIGHT

A COLD FRONT WITH SHOWERS AND THUNDERSTORMS WILL ADVANCE ACROSS
THE NORTHWEST GULF LATE THIS AFTERNOON AND EVENING. DRIER AND COOLER
AIR FILTERING INTO THE GULF WATERS IN THE WAKE OF THE FRONT WILL END
ANY FURTHER DENSE FOG DEVELOPMENT WHICH HAS BEEN COMMON FOR THE
LAST SEVERAL DAYS. A STRONG OFFSHORE FLOW WILL DEVELOP LATER
TONIGHT...WITH A SMALL CRAFT ADVISORY LIKELY TO BE REQUIRED.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

WINDS WILL GRADUALLY DIMINISH SUNDAY. NO SIGNIFICANT WEATHER IS
THEN ANTICIPATED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE REQUIRED.

In the hours before

Special weather statement, Feb 4, 6:28 AM CST, 2 hours 11 minutes before

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Special weather statement, Feb 4, 7:07 AM CST, 1 hour 32 minutes before

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Special weather statement, Feb 4, 7:15 AM CST, 1 hour 24 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
715 AM CST SAT FEB 4 2012

LAZ030-041-TXZ180-201-215-216-259>262-041415-
HARDIN TX-NORTHERN JASPER TX-NORTHERN NEWTON TX-TYLER TX-JEFFERSON
TX-BEAUREGARD LA-CALCASIEU LA-ORANGE TX-SOUTHERN JASPER TX-SOUTHERN
NEWTON TX-
715 AM CST SAT FEB 4 2012

...SIGNIFICANT WEATHER ADVISORY FOR HARDIN...JASPER...NEWTON...
TYLER...JEFFERSON AND ORANGE COUNTIES...SIGNIFICANT WEATHER ADVISORY
FOR BEAUREGARD AND CALCASIEU PARISHES UNTIL 815 AM CST...

AT 711 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
LINE OF STRONG THUNDERSTORMS FROM 8 MILES EAST OF FRED TO NOME...
MOVING EAST AT 25 MPH.

THE LINE OF STRONG THUNDERSTORMS WILL AFFECT AREAS IN AND AROUND...
LUMBERTON...BEVIL OAKS...CHINA...EVADALE...WEISS BLUFF AND BUNA.

THE PRIMARY THREAT FROM THESE STORMS IS WIND GUSTS TO NEAR 40 MPH...
WHICH COULD DOWN TREE LIMBS AND BLOW AROUND UNSECURED SMALL OBJECTS.

THESE STORMS COULD PRODUCE RAINFALL AMOUNTS OF ONE TO TWO INCHES IN A
SHORT PERIOD OF TIME...RESULTING IN PONDING OF WATER AROUND LOW LYING
ROADWAYS. REMEMBER...DO NOT DRIVE YOUR VEHICLE INTO WATER COVERED
ROADWAYS. THE DEPTH MAY BE TOO GREAT TO ALLOW A SAFE CROSSING.

LAT...LON 3065 9432 3050 9361 2989 9413 3000 9445
      3011 9445 3011 9459 3013 9461 3030 9467

JT

Special weather statement, Feb 4, 7:51 AM CST, 48 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
751 AM CST SAT FEB 4 2012

LAZ027-028-030-031-041-TXZ259-260-262-041445-
NORTHERN JASPER TX-NORTHERN NEWTON TX-RAPIDES LA-BEAUREGARD LA-
ALLEN LA-VERNON LA-CALCASIEU LA-SOUTHERN NEWTON TX-
751 AM CST SAT FEB 4 2012

...SIGNIFICANT WEATHER ADVISORY FOR JASPER AND NEWTON COUNTIES...
SIGNIFICANT WEATHER ADVISORY FOR RAPIDES...BEAUREGARD...ALLEN...
VERNON AND CALCASIEU PARISHES UNTIL 845 AM CST...

AT 747 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
LINE OF STRONG THUNDERSTORMS FROM 13 MILES WEST OF LENA TO 8 MILES
WEST OF FIELDS...MOVING EAST AT 30 MPH.

THE LINE OF STRONG THUNDERSTORMS WILL AFFECT AREAS IN AND AROUND...
PICKERING...SLAGLE...HUTTON...FORT POLK...ROSEPINE AND SIMPSON.

THE PRIMARY THREAT FROM THESE STORMS IS WIND GUSTS TO NEAR 40 MPH...
WHICH COULD DOWN TREE LIMBS AND BLOW AROUND UNSECURED SMALL OBJECTS.

THESE STORMS COULD PRODUCE RAINFALL AMOUNTS OF ONE TO TWO INCHES IN A
SHORT PERIOD OF TIME...RESULTING IN PONDING OF WATER AROUND LOW LYING
ROADWAYS. REMEMBER...DO NOT DRIVE YOUR VEHICLE INTO WATER COVERED
ROADWAYS. THE DEPTH MAY BE TOO GREAT TO ALLOW A SAFE CROSSING.

LAT...LON 3146 9270 3144 9268 3141 9268 3139 9263
      3039 9322 3057 9398 3137 9329 3137 9303
      3135 9295 3137 9294 3137 9292 3140 9291
      3150 9275 3150 9268

JT

Special weather statement, Feb 4, 7:56 AM CST, 43 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
756 AM CST SAT FEB 4 2012

LAZ030-041-073-TXZ201-215-216-259>262-041500-
HARDIN TX-NORTHERN JASPER TX-NORTHERN NEWTON TX-JEFFERSON TX-
BEAUREGARD LA-CALCASIEU LA-ORANGE TX-SOUTHERN JASPER TX-
SOUTHERN NEWTON TX-WEST CAMERON LA-
756 AM CST SAT FEB 4 2012

...SIGNIFICANT WEATHER ADVISORY FOR HARDIN...JASPER...NEWTON...
JEFFERSON AND ORANGE COUNTIES...SIGNIFICANT WEATHER ADVISORY FOR
BEAUREGARD...CALCASIEU AND CAMERON PARISHES UNTIL 900 AM CST...

AT 752 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
LINE OF STRONG THUNDERSTORMS FROM 12 MILES NORTHEAST OF BUNA TO 7
MILES NORTH OF HAMSHIRE...MOVING EAST AT 40 MPH.

THE LINE OF STRONG THUNDERSTORMS WILL AFFECT AREAS IN AND AROUND...
PINE FOREST...DEVILS POCKET...FANNETT...GIST...ROSE CITY AND VIDOR.

THE PRIMARY THREAT FROM THESE STORMS IS WIND GUSTS TO NEAR 40 MPH...
WHICH COULD DOWN TREE LIMBS AND BLOW AROUND UNSECURED SMALL OBJECTS.

THESE STORMS COULD PRODUCE RAINFALL AMOUNTS OF ONE TO TWO INCHES IN A
SHORT PERIOD OF TIME...RESULTING IN PONDING OF WATER AROUND LOW LYING
ROADWAYS. REMEMBER...DO NOT DRIVE YOUR VEHICLE INTO WATER COVERED
ROADWAYS. THE DEPTH MAY BE TOO GREAT TO ALLOW A SAFE CROSSING.

LAT...LON 3059 9399 3035 9306 3004 9330 3004 9332
      2976 9352 2973 9374 2969 9382 2966 9393
      2967 9403 2957 9435 2988 9436 2989 9445
      3011 9445 3011 9455 3012 9455

JT

Special weather statement, Feb 4, 8:39 AM CST, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
839 AM CST SAT FEB 4 2012

LAZ027>032-041-042-041545-
RAPIDES LA-EVANGELINE LA-BEAUREGARD LA-ALLEN LA-VERNON LA-
AVOYELLES LA-CALCASIEU LA-JEFFERSON DAVIS LA-
839 AM CST SAT FEB 4 2012

...SIGNIFICANT WEATHER ADVISORY FOR RAPIDES...EVANGELINE...
BEAUREGARD...ALLEN...VERNON...AVOYELLES...CALCASIEU AND JEFFERSON
DAVIS PARISHES UNTIL 945 AM CST...

AT 837 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
LINE OF STRONG THUNDERSTORMS FROM BOYCE TO 7 MILES SOUTHWEST OF
RAGLEY...MOVING EAST AT 30 MPH.

* THE LINE OF STRONG THUNDERSTORMS WILL BE NEAR...
  ELMER AND ELIZABETH BY 845 AM...
  MITTIE BY 850 AM...
  ALEXANDRIA INTERNATIONAL AIRPORT...TOPSY AND REEVES BY 855 AM...
  TIMBER TRAILS AND HARMONY BY 900 AM...
  TIOGA AND OAKDALE BY 905 AM...

THE PRIMARY THREATS FROM THESE STORMS ARE FREQUENT LIGHTNING AND WIND
GUSTS TO NEAR 50 MPH...WHICH COULD DOWN TREE LIMBS AND BLOW AROUND
UNSECURED SMALL OBJECTS. SEEK SHELTER IN A SAFE HOME OR BUILDING
UNTIL THESE STORMS HAVE PASSED.

THESE STORMS COULD PRODUCE RAINFALL AMOUNTS OF ONE TO TWO INCHES IN A
SHORT PERIOD OF TIME...RESULTING IN PONDING OF WATER AROUND LOW LYING
ROADWAYS. REMEMBER...DO NOT DRIVE YOUR VEHICLE INTO WATER COVERED
ROADWAYS. THE DEPTH MAY BE TOO GREAT TO ALLOW A SAFE CROSSING.

LAT...LON 3148 9269 3146 9270 3144 9268 3141 9268
      3140 9266 3146 9235 3145 9215 3141 9215
      3137 9208 3087 9231 3031 9279 3044 9342
      3089 9295 3149 9275

24

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 3, 8:06 PM CST	Areal Flood Warning	LCH	Allen, Avoyelles, Evangeline, Rapides, Vernon	12 hr
Feb 3, 9:03 PM CST	Special Weather Statement	LCH	Rapides	57 min
Feb 3, 9:11 PM CST	Severe Thunderstorm Warning	LCH	Rapides, Vernon	64 min
Feb 3, 10:28 PM CST	Flash Flood Warning	LCH	Rapides, Vernon	4 hr
Feb 4, 1:20 AM CST	Areal Flood Advisory	LCH	Rapides	85 min
Feb 4, 2:38 AM CST	Marine Dense Fog Advisory	LCH		9 hr
Feb 4, 3:58 AM CST	Flash Flood Watch	LCH	Allen, Avoyelles, Beauregard, Evangeline, Lafayette, Rapides and 3 more	14 hr
Feb 4, 7:07 AM CST	Special Weather Statement	LCH	Beauregard, Vernon	53 min
Feb 4, 7:51 AM CST	Special Weather Statement	LCH	Beauregard, Vernon	54 min
Feb 4, 7:56 AM CST	Special Weather Statement	LCH	Calcasieu	64 min
Feb 4, 8:20 AM CST	Tornado Warning	LCH	Allen, Beauregard	25 min
Feb 4, 8:55 AM CST	Areal Flood Warning	LCH	Allen, Avoyelles, Beauregard, Evangeline, Rapides, Vernon	12 hr
Feb 4, 9:36 AM CST	Special Weather Statement	LCH	Acadia, Evangeline, Jefferson Davis, Saint Landry	54 min
Feb 4, 9:47 AM CST	Flash Flood Warning	LCH	Beauregard, Vernon	3 hr
Feb 4, 9:59 AM CST	Areal Flood Advisory	LCH	Calcasieu	3 hr
Feb 4, 10:25 AM CST	River Flood Warning	LCH	Beauregard	3 days
Feb 4, 10:25 AM CST	River Flood Warning	LCH	Allen	5 days
Feb 4, 10:27 AM CST	Special Weather Statement	LCH	Acadia, Avoyelles, Lafayette, Saint Landry	63 min
Feb 4, 11:01 AM CST	Severe Thunderstorm Warning	LCH	Avoyelles, Saint Landry	29 min
Feb 4, 11:25 AM CST	Special Marine Warning	LCH		65 min
Feb 4, 11:34 AM CST	Areal Flood Warning	LCH	Acadia, Allen, Avoyelles, Beauregard, Evangeline, Saint Landry	10 hr
Feb 4, 4:08 PM CST	Small Craft Advisory	LCH		37 hr
Feb 4, 5:10 AM CST	Special Weather Statement	LCH	Tyler	65 min
Feb 4, 6:16 AM CST	Special Weather Statement	LCH	Jasper, Tyler	59 min
Feb 4, 6:28 AM CST	Special Weather Statement	LCH	Hardin	62 min
Feb 4, 7:15 AM CST	Special Weather Statement	LCH	Hardin	60 min

Nearby

Special Weather Statements in Louisiana, 2012 Every special weather statement in 2012

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.