Alert archive / Louisiana / Flash Flood Warnings in 2012
Flash Flood Warning 13, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at Mar 12, 2012, 3:43 PM CDT for Allen Parish, Evangeline Parish, Louisiana. It was in force for 4 hr. 1 report 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 12, 2012, 3:43 PM CDT (20:43 UTC)
- Expired
- Mar 12, 2012, 7:30 PM CDT
- In force
- 4 hr
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Allen Parish, LA, Evangeline Parish, LA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 12, 4:48 PM CDT | FLASH FLOOD | 4 N Mamou, LA | REPORT OF FLOODING AT THE INTERSECTION OF HWY 10 AND HWY 13. |
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, 8.7 hours before the alert went out and 99 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
- 1900 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 441 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 111 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 4.4
The text
As transmitted, in the capitals the NWS used until 2016.
739 WGUS54 KLCH 122043 FFWLCH LAC003-039-130030- /O.NEW.KLCH.FF.W.0013.120312T2043Z-120313T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 343 PM CDT MON MAR 12 2012 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A * FLASH FLOOD WARNING FOR... EAST CENTRAL ALLEN PARISH IN SOUTHWEST LOUISIANA... SOUTHERN EVANGELINE PARISH IN CENTRAL LOUISIANA... * UNTIL 730 PM CDT * AT 334 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. ESTIMATED RAINFALL AMOUNTS ARE BETWEEN 3 AND 6 INCHES OVER THE PAST FEW HOURS BETWEEN MAMOU AND PINE PRARIE. THIS WILL LIKELY CAUSING FLASH FLOODING OF LOCAL STREAMS AND BAYOUS THAT INCLUDE MANWELL GULLY...PORTIONS OF BAYOU DES CANNES...GRAND LOUIS BAYOU AND BAYOU NEZPIQUE. * RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... BASILE...MAMOU...VILLE PLATTE...BAYOU CHICOT...BOND...DURALDE... PINE PRAIRIE AND REDDELL. PRECAUTIONARY/PREPAREDNESS ACTIONS... ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE IN THE WARNED AREA. 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 3084 9231 3060 9225 3048 9262 3078 9263 $$ BRAZZELL
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 11, 7:41 PM CDT | Special Marine Warning | LCH | 64 min | |
| Mar 11, 8:02 PM CDT | Areal Flood Advisory | LCH | Calcasieu | 88 min |
| Mar 11, 8:16 PM CDT | Tornado Warning | LCH | Rapides | 29 min |
| Mar 11, 9:12 PM CDT | Special Marine Warning | LCH | 63 min | |
| Mar 11, 9:19 PM CDT | Severe Thunderstorm Warning | LCH | Rapides | 56 min |
| Mar 11, 9:28 PM CDT | Tornado Warning | LCH | Cameron, Jefferson Davis | 32 min |
| Mar 11, 9:42 PM CDT | Tornado Warning | LCH | Jefferson Davis | 33 min |
| Mar 11, 10:06 PM CDT | Tornado Warning | LCH | Jefferson Davis | 24 min |
| Mar 11, 10:20 PM CDT | Tornado Warning | LCH | Jefferson Davis | 25 min |
| Mar 11, 10:39 PM CDT | Tornado Warning | LCH | Acadia, Jefferson Davis | 36 min |
| Mar 11, 11:11 PM CDT | Tornado Warning | LCH | Vermilion | 34 min |
| Mar 11, 11:13 PM CDT | Tornado Warning | LCH | Acadia, Evangeline, Saint Landry | 31 min |
| Mar 11, 11:33 PM CDT | Special Marine Warning | LCH | 57 min | |
| Mar 11, 11:42 PM CDT | Tornado Warning | LCH | Vermilion | 33 min |
| Mar 11, 11:54 PM CDT | Areal Flood Advisory | LCH | Acadia, Jefferson Davis | 3 hr |
| Mar 12, 12:02 AM CDT | Special Weather Statement | LCH | Acadia | 58 min |
| Mar 12, 12:13 AM CDT | Special Weather Statement | LCH | Vermilion | 62 min |
| Mar 12, 12:16 AM CDT | Special Marine Warning | LCH | 59 min | |
| Mar 12, 12:50 AM CDT | Areal Flood Advisory | LCH | Acadia, Evangeline, Saint Landry | 3 hr |
| Mar 12, 12:52 AM CDT | Special Weather Statement | LCH | Saint Martin | 38 min |
| Mar 12, 1:12 AM CDT | Special Weather Statement | LCH | Saint Landry | 48 min |
| Mar 12, 1:42 AM CDT | Areal Flood Advisory | LCH | Iberia, St. Mary | 4 hr |
| Mar 12, 2:23 AM CDT | Special Weather Statement | LCH | Saint Martin | 67 min |
| Mar 12, 3:06 AM CDT | Areal Flood Warning | LCH | Iberia | 3 hr |
| Mar 12, 7:48 AM CDT | Special Weather Statement | LCH | Saint Landry | 57 min |
| Mar 12, 8:51 AM CDT | Flash Flood Warning | LCH | Acadia, Lafayette, Saint Landry | 3 hr |
| Mar 12, 9:48 AM CDT | Flash Flood Warning | LCH | Saint Landry, Saint Martin | 3 hr |
| Mar 12, 10:59 AM CDT | River Flood Warning | LCH | Lafayette, Vermilion | 35 hr |
| Mar 12, 11:14 AM CDT | Areal Flood Warning | LCH | Acadia | 48 hr |
| Mar 12, 11:26 AM CDT | Areal Flood Warning | LCH | Acadia, Lafayette, Saint Landry, Saint Martin | 12 hr |
| Mar 12, 11:28 AM CDT | Flash Flood Warning | LCH | Acadia, Lafayette, Saint Landry, Saint Martin | 6 hr |
| Mar 12, 11:36 AM CDT | River Flood Warning | LCH | Acadia, Jefferson Davis | 8 days |
| Mar 12, 1:41 PM CDT | Special Weather Statement | LCH | Lafayette | 64 min |
| Mar 12, 2:40 PM CDT | Areal Flood Advisory | LCH | Evangeline | 3 hr |
| Mar 12, 5:30 PM CDT | Flash Flood Warning | LCH | Acadia, Allen, Evangeline, Lafayette, Saint Landry, Saint Martin | 6 hr |
| Mar 12, 6:18 PM CDT | Flash Flood Warning | LCH | Allen, Evangeline, Rapides, 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.