Alert archive / Louisiana / Flash Flood Warnings in 2012
Flash Flood Warning 22, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at Mar 20, 2012, 2:43 PM CDT for Beauregard Parish, Vernon Parish, Louisiana. It was in force for 5 hr. 7 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, 2:43 PM CDT (19:43 UTC)
- Expired
- Mar 20, 2012, 7:30 PM CDT
- In force
- 5 hr
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Beauregard Parish, LA, Vernon Parish, LA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 20, 3:05 PM CDT | FLASH FLOOD | De Ridder, LA | KVVP RADIO IN DERIDDER REPORTS VIA FACEBOOK FLOODING ALONG N. PINE ST IN FRONT OF WALMART SUPERCENTER. |
| Mar 20, 4:13 PM CDT | HEAVY RAIN 3.5 | Singer, LA | |
| Mar 20, 4:47 PM CDT | FLASH FLOOD | 2 N Deridder, LA | WATER COVERING THE ROADS NEAR THE WALMART IN DERIDDER. |
| Mar 20, 5:14 PM CDT | FLASH FLOOD | Deridder, LA | REPORT THAT WATER IS OVER THE ROAD ON HWY 171. |
| Mar 20, 5:53 PM CDT | FLASH FLOOD | 3 N Deridder, LA | PUBLIC REPORTED THAT GREEN ACRE SUBDIVISION OFF OF PINE ST IS FLOODED . |
| Mar 20, 7:06 PM CDT | FLASH FLOOD | Deridder, LA | SHERIFF REPORTED SIX TO SEVEN ROADS CLOSED IN DERIDDER ALONG WITH ONE HOME FLOODED. |
| Mar 20, 7:36 PM CDT | FLASH FLOOD | 1 Sse Leesville, LA | WALMART PARKING LOT FLOODED WITH WATER LEVELS OVER TIRES ON SOME CARS. |
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 12:00Z, 7.7 hours before the alert went out and 82 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
- 1368 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 555 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 225 m²/s²
- 0-3 km storm-relative helicity
- 338 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 8.8
The text
As transmitted, in the capitals the NWS used until 2016.
271
WGUS54 KLCH 201943
FFWLCH
LAC011-115-210030-
/O.NEW.KLCH.FF.W.0022.120320T1943Z-120321T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
243 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...
WESTERN VERNON PARISH IN WEST CENTRAL LOUISIANA...
* UNTIL 730 PM CDT
* AT 239 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. RAINFALL ESTIMATES OVER THE PAST TWO HOURS ARE
BETWEEN 2 AND 4 INCHES WITH AND ADDITIONAL 1 TO 2 INCHES EXPECTED
THROUGH 330 PM.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ANACOCO...DE RIDDER...FIELDS...FORT POLK...LEESVILLE...
MERRYVILLE...ROSEPINE...SINGER...SLAGLE...BANCROFT...BIVENS...BURR
FERRY...JUNCTION...NEW LLANO...ORETTA AND TULLA.
SOME OF THE CREEKS AND DRAINAGES THAT MAY BECOME FLOODED ARE RED
BANK CREEK...BRIDGE CREEK...MILL CREEK...BRUSHY CREEK.
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 3122 9310 3077 9312 3049 9341 3049 9349
3042 9349 3045 9370 3052 9371 3084 9354
3102 9352 3103 9351 3104 9352 3128 9350
$$1 follow-up statement
436
WGUS74 KLCH 202213
FFSLCH
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
513 PM CDT TUE MAR 20 2012
LAC011-115-210030-
/O.CON.KLCH.FF.W.0022.000000T0000Z-120321T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BEAUREGARD LA-VERNON LA-
513 PM CDT TUE MAR 20 2012
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR WESTERN VERNON AND
BEAUREGARD PARISHES UNTIL 730 PM CDT...
AT 507 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. RADAR
ESTIMATES OF 3 TO 5 INCHES OF RAIN HAS FALLEN OVER THE PAST 3 HOURS
FROM NEAR FORT POLK SOUTH TO NEAR DE RIDDER TO FIELDS. 3 TO 6 INCHES
HAVE BEEN ESTIMATED OVER THE PAST 5 HOURS.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
ANACOCO...DE RIDDER...FIELDS...FORT POLK...LEESVILLE...MERRYVILLE...
ROSEPINE...SINGER...SLAGLE...BIVENS...BURR FERRY...JUNCTION...NEW
LLANO...ORETTA AND TULLA.
SOME OF THE CREEKS AND DRAINAGES THAT ARE LIKELY TO FLOOD ARE
BUNDICK CREEK NEAR DERIDDER...HICKORY BRANCH...BRIDGE CREEK...COWPEN
CREEK BETWEEN DERIDDER AND MERRYVILLE. BUXTON CREEK AND HOUSTON
RIVER NEAR FIELDS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS IMMINENT OR
OCCURRING. IF YOU ARE IN THE WARNING AREA...MOVE TO HIGHER GROUND
IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE
IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO
CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
&&
LAT...LON 3122 9310 3077 9312 3049 9341 3049 9349
3042 9349 3045 9370 3052 9371 3084 9354
3102 9352 3103 9351 3104 9352 3128 9350
$$The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 20, 9:33 AM CDT | River Flood Warning | LCH | Allen | 7 days |
| Mar 20, 9:33 AM CDT | River Flood Warning | LCH | Allen, Jefferson Davis | 9 days |
| Mar 20, 9:33 AM CDT | River Flood Warning | LCH | Calcasieu | 7 days |
| Mar 20, 9:33 AM CDT | River Flood Warning | LCH | Beauregard | 5 days |
| Mar 20, 9:33 AM CDT | River Flood Warning | LCH | Allen | 6 days |
| Mar 20, 9:33 AM CDT | River Flood Warning | LCH | Acadia, Allen, Evangeline, Jefferson Davis | 6 days |
| Mar 20, 9:33 AM CDT | River Flood Warning | LCH | Acadia, Jefferson Davis | 4 days |
| Mar 20, 2:46 PM CDT | Tornado Warning | LCH | Calcasieu | 29 min |
| Mar 20, 3:18 PM CDT | Flash Flood Warning | LCH | Beauregard, Calcasieu | 6 hr |
| Mar 20, 6:05 PM CDT | Flash Flood Warning | LCH | Vernon | 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.