Alert archive / Louisiana / Flash Flood Warnings in 2012
Flash Flood Warning 10, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at Mar 12, 2012, 8:51 AM CDT for Acadia Parish, Lafayette Parish, Saint Landry Parish, Louisiana. It was in force for 3 hr. 8 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 12, 2012, 8:51 AM CDT (13:51 UTC)
- Expired
- Mar 12, 2012, 12:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Acadia Parish, LA, Lafayette Parish, LA, Saint Landry Parish, LA
The radar
The Lake Charles radar (KLCH), 119 km from the middle of the area, began a volume at 13:50 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 12, 10:08 AM CDT | FLASH FLOOD | Carencro, LA | CARENCRO POLICE REPORTING SEVERAL HOUSES FLOODED. EFFORTS UNDERWAY TO RESCUE INDIVIDUALS. |
| Mar 12, 10:19 AM CDT | FLASH FLOOD | 3 Nw Carencro, LA | WATER RESCUES UNDERWAY FOR STUDENTS ON A BUS. |
| Mar 12, 10:42 AM CDT | HEAVY RAIN 10.09 | 5 Sw Arnaudville, LA | THE USGS GAGE AT BAYOU VERMILION RIVER NEAR CARENCRO...BVCL1...REPORTING 10.09 INCHES OF RAINFALL IN THE LAST 6 HOURS. |
| Mar 12, 10:49 AM CDT | FLASH FLOOD | 1 E Sunset, LA | I-49 NORTH IS CLOSED TO TRAFFIC AT LA 182 AND I-49 SOUTH IS CLOSED TO TRAFFIC AT LA 93 DUE TO WATER OVER THE ROADWAY. |
| Mar 12, 10:49 AM CDT | FLASH FLOOD | 1 Wnw Carencro, LA | CARENCRO CATHOLIC REPORTING FLOOD DAMAGE TO BUILDING. |
| Mar 12, 11:03 AM CDT | HEAVY RAIN 10.5 | Carencro, LA | CRCL1...THE CO-OP OBSERVER AT CARENCRO RECORDED 10.50 INCHES OF RAINFALL SO FAR THIS MORNING. |
| Mar 12, 12:05 PM CDT | FLASH FLOOD | 3 Se Carencro, LA | REPORTS THAT ACADIAN MIDDLE SCHOOL HAS WATER IN SOME OF THE CLASSROOMS DUE TO THE FLOODING. |
| Mar 12, 12:10 PM CDT | HEAVY RAIN 11.61 | 5 Sw Arnaudville, LA | THE USGS GAGE AT BAYOU VERMILION NEAR CARENCRO...BVCL1...HAS RECORDED 11.61 INCHES OF RAIN SINCE ROUGHLY 6 AM THIS MORNING. |
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, 1.9 hours before the alert went out and 117 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.
850
WGUS54 KLCH 121351
FFWLCH
LAC001-055-097-121700-
/O.NEW.KLCH.FF.W.0010.120312T1351Z-120312T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
851 AM CDT MON MAR 12 2012
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EAST CENTRAL ACADIA PARISH IN SOUTHWEST LOUISIANA...
NORTHERN LAFAYETTE PARISH IN SOUTH CENTRAL LOUISIANA...
SOUTH CENTRAL ST. LANDRY PARISH IN CENTRAL LOUISIANA...
* UNTIL NOON CDT
* AT 848 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. RAINFALL AMOUNTS OF 4 TO 6 INCHES HAVE BEEN REPORTED.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CARENCRO...CHURCH POINT...CANKTON...GRAND COTEAU...MIRE AND SUNSET.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE WARNED
AREA.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
&&
LAT...LON 3039 9193 3041 9197 3038 9199 3037 9198
3036 9195 3032 9197 3029 9195 3026 9202
3026 9225 3044 9225 3043 9193
$$
MM1 follow-up statement
109
WGUS74 KLCH 121522
FFSLCH
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1022 AM CDT MON MAR 12 2012
LAC001-055-097-121700-
/O.CON.KLCH.FF.W.0010.000000T0000Z-120312T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ST. LANDRY LA-LAFAYETTE LA-ACADIA LA-
1022 AM CDT MON MAR 12 2012
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EAST CENTRAL ACADIA...
NORTHERN LAFAYETTE AND SOUTH CENTRAL ST. LANDRY PARISHES UNTIL NOON
CDT...
AT 1012 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.
EXTREME RAINFALL AMOUNTS OF 8 TO 12 INCHES HAS BEEN ESTIMATED BY
RADAR. THE CITY OF CARENCRO HAS RECEIVED NEAR 12 INCHES.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
CARENCRO...CHURCH POINT...CANKTON...GRAND COTEAU...MIRE AND SUNSET.
THE CARENCRO CITY POLICE REPORT SEVERAL HOMES FLOODED AND ARE IN THE
PROCESS OF COORDINATING RESCUES. ADDITIONALLY...NUMEROUS STREETS ARE
FLOODED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE THUNDERSTORM ACTIVITY CONTINUES TO BACK-BUILD AND WILL TRAIN
ACROSS THE WARNED AREA. THIS HAS EVOLVED INTO AN EXTREMELY DANGEROUS
WEATHER SITUATION WITH ADDED RAINS UP TO 4 INCHES POSSIBLE.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
&&
LAT...LON 3039 9193 3041 9197 3038 9199 3037 9198
3036 9195 3032 9197 3029 9195 3026 9202
3026 9225 3044 9225 3043 9193
$$
MMThe 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, 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, 3:43 PM CDT | Flash Flood Warning | LCH | Allen, Evangeline | 4 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; radar from the NEXRAD Level II archive.