Alert archive / Louisiana / Flash Flood Warnings in 2012
Flash Flood Warning 26, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at Mar 20, 2012, 7:29 PM CDT for Beauregard Parish, Calcasieu Parish, Vernon Parish, Louisiana. It was in force for 5 hr. 6 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Mar 20, 2012, 7:29 PM CDT (00:29 UTC)
- Expired
- Mar 21, 2012, 12:30 AM CDT
- In force
- 5 hr
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Beauregard Parish, LA, Calcasieu Parish, LA, Vernon Parish, LA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 20, 7:36 PM CDT | FLASH FLOOD | 1 Sse Leesville, LA | WALMART PARKING LOT FLOODED WITH WATER LEVELS OVER TIRES ON SOME CARS. |
| Mar 20, 8:47 PM CDT | FLASH FLOOD | Fields, LA | BEAUREGARD SHERIFF REPORTING THAT HWY 109 IS UNPASSABLE. |
| Mar 20, 8:47 PM CDT | FLASH FLOOD | Singer, LA | BEAUREGARD SHERIFF REPORTING THAT PARTS OF HWY 27 ARE UNDER AS MUCH AS 5 FEET OF WATER NEAR HWY 110 AND THE WATERS ARE STILL RISING. |
| Mar 20, 9:18 PM CDT | FLASH FLOOD | Dequincy, LA | NORTH GRANT AVE IS UNDERWATER AND BLOCKED. |
| Mar 20, 9:36 PM CDT | FLASH FLOOD | 1 Sse Leesville, LA | FLOODING CONTINUES IN THE WALMART AREA OF LEESVILLE. THE WATER LEVELS APPEAR TO HAVE RISEN SLIGHTLY SINCE LAST UPDATE. |
| Mar 20, 10:38 PM CDT | FLASH FLOOD | Hornbeck, LA | VERNON SHERIFF REPORT THAT ENTIRE PARISH IS DEALING WITH HEAVY FLOODING. HWY 171 FROM HORNBECK TO ROSEPINE IS FLOODED AND A LARGE NUMBER OF VEHICLES ARE TRAPPED AND OR FLOATING. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 0.5 hours before the alert went out and 338 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.
- Mixed-layer CAPE
- 267 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 1256 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 145 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
208
WGUS54 KLCH 210029
FFWLCH
LAC011-019-115-210530-
/O.NEW.KLCH.FF.W.0026.120321T0029Z-120321T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
729 PM CDT TUE MAR 20 2012
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
BEAUREGARD PARISH IN SOUTHWEST LOUISIANA...
EXTREME NORTH CENTRAL CALCASIEU PARISH IN SOUTHWEST LOUISIANA...
VERNON PARISH IN WEST CENTRAL LOUISIANA...
* UNTIL 1230 AM CDT
* AT 723 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. RADAR ESTIMATES THAT 3 TO 5 INCHES OF RAIN HAS FALLEN
ACROSS THE AREA IN THE PAST 3 HOURS WITH STORM TOTAL ESTIMATES OF
4 TO 8 INCHES. SEVERAL REPORTS OF FLOODING HAVE BEEN RECEIVED FROM
BEAUREGARD...AND NORTHERN CALCASIEU PARISH. FLOODING IS ALSO
LIKELY OCCURRING AS WELL. RADAR INDICATES THAT POCKET OF HEAVIER
RAINS CONTINUE TO MOVE OVER THE SAME GENERAL AREAS. THIS IS
QUICKLY BECOMING A DANGEROUS SITUATION AND TRAVEL IS DISCOURAGED
ACROSS THESE AREAS TONIGHT. ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4
INCHES ARE POSSIBLE THROUGH 930 PM.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ANACOCO...DE QUINCY...DE RIDDER...FIELDS...FORT POLK...LEESVILLE...
MERRYVILLE...RAGLEY...ROSEPINE...SINGER...SLAGLE...BIVENS...BURR
FERRY...HORNBECK...HUTTON...JUNCTION...KURTHWOOD...LONGVILLE...NEW
LLANO...ORETTA AND TULLA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
&&
LAT...LON 3136 9299 3133 9295 3132 9290 3077 9312
3043 9323 3042 9349 3045 9370 3052 9371
3084 9354 3103 9351 3104 9352 3129 9346
3135 9341 3137 9339 3137 9303
$$1 follow-up statement
198
WGUS74 KLCH 210158
FFSLCH
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
858 PM CDT TUE MAR 20 2012
LAC011-019-115-210530-
/O.CON.KLCH.FF.W.0026.000000T0000Z-120321T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BEAUREGARD LA-VERNON LA-CALCASIEU LA-
858 PM CDT TUE MAR 20 2012
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EXTREME NORTH CENTRAL
CALCASIEU...VERNON AND BEAUREGARD PARISHES UNTIL 1230 AM CDT...
AT 849 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL CONTINUING TO DEVELOP AND
TRACK NORTH ACROSS THE WARNED AREA. WIDESPREAD FLOODING IS ALREADY
UNDERWAY...AND THIS ADDITIONAL RAINFALL WILL EXACERBATE THE
SITUATION.
SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
ANACOCO...DE QUINCY...DE RIDDER...FIELDS...FORT POLK...LEESVILLE...
MERRYVILLE...RAGLEY...ROSEPINE...SINGER...SLAGLE...BIVENS...BURR
FERRY...HORNBECK...HUTTON...JUNCTION...KURTHWOOD...LONGVILLE...NEW
LLANO...ORETTA AND TULLA.
AN ADDITIONAL 3 TO 4 INCHES IS POSSIBLE IN THE WARNED AREA.
THE BEAUREGARD PARISH OFFICE OF EMERGENCY PREPAREDNESS HAS REQUESTED
ALL RESIDENTS TO STAY OFF PARISH ROADS UNLESS IT IS AN EMERGENCY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
&&
LAT...LON 3136 9299 3133 9295 3132 9290 3077 9312
3043 9323 3042 9349 3045 9370 3052 9371
3084 9354 3103 9351 3104 9352 3129 9346
3135 9341 3137 9339 3137 9303
$$
13The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 20, 7:25 PM CDT | Tornado Warning | LCH | Calcasieu | 35 min |
| Mar 20, 8:14 PM CDT | River Flood Warning | LCH | Vernon | 5 days |
| Mar 20, 8:14 PM CDT | River Flood Warning | LCH | Beauregard, Calcasieu | 26 days |
| Mar 20, 8:20 PM CDT | Special Marine Warning | LCH | 55 min | |
| Mar 20, 8:57 PM CDT | Flash Flood Warning | LCH | Beauregard, Calcasieu | 6 hr |
| Mar 20, 11:59 PM CDT | Special Marine Warning | LCH | 61 min | |
| Mar 21, 12:19 AM CDT | Flash Flood Warning | LCH | Beauregard, Calcasieu, Vernon | 6 hr |
| Mar 21, 12:28 AM CDT | Severe Thunderstorm Warning | LCH | Calcasieu, Cameron, Jefferson Davis | 62 min |
| Mar 21, 12:33 AM CDT | Tornado Warning | LCH | Calcasieu, Cameron, Jefferson Davis | 27 min |
| Mar 21, 1:26 AM CDT | Tornado Warning | LCH | Jefferson Davis | 19 min |
| Mar 21, 1:31 AM CDT | Severe Thunderstorm Warning | LCH | Acadia, Calcasieu, Cameron, Jefferson Davis, Vermilion | 59 min |
| Mar 21, 1:50 AM CDT | Severe Thunderstorm Warning | LCH | Allen, Jefferson Davis | 55 min |
| Mar 21, 2:13 AM CDT | Special Weather Statement | LCH | Beauregard | 62 min |
| Mar 21, 2:56 AM CDT | Flash Flood Warning | LCH | Allen, Jefferson Davis | 4 hr |
| Mar 21, 3:41 AM CDT | Tornado Warning | LCH | Cameron, Vermilion | 34 min |
| Mar 21, 3:48 AM CDT | Wind Advisory | LCH | Saint Martin | 6 hr |
| Mar 21, 3:55 AM CDT | Special Marine Warning | LCH | 65 min | |
| Mar 21, 4:04 AM CDT | Tornado Warning | LCH | Acadia, Cameron, Jefferson Davis, Vermilion | 26 min |
| Mar 21, 4:35 AM CDT | Tornado Warning | LCH | Vermilion | 25 min |
| Mar 21, 4:44 AM CDT | Tornado Warning | LCH | Acadia, Vermilion | 31 min |
| Mar 21, 4:51 AM CDT | Special Marine Warning | LCH | 54 min | |
| Mar 21, 5:17 AM CDT | Tornado Warning | LCH | Vermilion | 28 min |
| Mar 21, 5:34 AM CDT | Severe Thunderstorm Warning | LCH | Acadia, Evangeline, Lafayette, Saint Landry, Vermilion | 56 min |
| Mar 21, 5:51 AM CDT | Tornado Warning | LCH | Lafayette, Vermilion | 24 min |
| Mar 21, 6:00 AM CDT | Special Marine Warning | LCH | 60 min | |
| Mar 21, 6:10 AM CDT | Areal Flood Warning | LCH | Beauregard, Calcasieu, Vernon | 5 days |
| Mar 21, 7:01 AM CDT | Special Weather Statement | LCH | Avoyelles, Lafayette, Saint Landry, Saint Martin | 59 min |
| Mar 21, 7:10 AM CDT | Special Marine Warning | LCH | 65 min | |
| Mar 21, 7:20 AM CDT | Severe Thunderstorm Warning | LCH | Iberia, Saint Martin, St. Mary | 39 min |
| Mar 21, 7:24 AM CDT | Severe Thunderstorm Warning | LCH | Iberia, Saint Martin | 47 min |
| Mar 21, 7:54 AM CDT | Areal Flood Warning | LCH | Iberia, St. Mary | 3 hr |
| Mar 21, 8:10 AM CDT | Severe Thunderstorm Warning | LCH | Iberia, Saint Martin, St. Mary | 65 min |
| Mar 21, 10:45 AM CDT | River Flood Warning | LCH | Beauregard, Vernon | 5 days |
| Mar 21, 4:17 PM CDT | Areal Flood Advisory | LCH | Iberia, Saint Martin, St. Mary | 3 hr |
Nearby
Flash Flood Warnings in Louisiana, 2012Every flash flood warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.