Alert archive / Louisiana / Flash Flood Warnings in 2016
Flash Flood Warning 94, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at Aug 17, 2016, 12:41 PM CDT for 6 parishes in Louisiana. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 17, 2016, 12:41 PM CDT (17:41 UTC)
- Expired
- Aug 17, 2016, 2:45 PM CDT
- In force
- 2 hr
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Acadia Parish, LA, Iberia Parish, LA, Lafayette Parish, LA, Saint Martin Parish, LA, St. Mary Parish, LA, Vermilion Parish, LA
The radar
The Lake Charles radar (KLCH), 127 km from the middle of the area, began a volume at 17:40 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.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 5.7 hours before the alert went out and 125 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
- 954 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 827 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 11 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
105
WGUS54 KLCH 171741
FFWLCH
LAC001-045-055-099-101-113-171945-
/O.NEW.KLCH.FF.W.0094.160817T1741Z-160817T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1241 PM CDT WED AUG 17 2016
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHEASTERN VERMILION PARISH IN SOUTHWESTERN LOUISIANA...
WEST CENTRAL ST. MARTIN PARISH IN SOUTH CENTRAL LOUISIANA...
NORTHWESTERN IBERIA PARISH IN SOUTH CENTRAL LOUISIANA...
NORTHWESTERN ST. MARY PARISH IN SOUTH CENTRAL LOUISIANA...
EAST CENTRAL ACADIA PARISH IN SOUTHWESTERN LOUISIANA...
LAFAYETTE PARISH IN SOUTH CENTRAL LOUISIANA...
* UNTIL 245 PM CDT
* AT 1239 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED. ONE
TO THREE INCHES OF ADDITIONAL RAINFALL IS EXPECTED WITH THESE
STORMS THROUGH THE AFTERNOON.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
LAFAYETTE...NEW IBERIA...ABBEVILLE...SCOTT...BREAUX BRIDGE...
RAYNE...FRANKLIN...CARENCRO...ST. MARTINVILLE...JEANERETTE...
AVERY ISLAND...BROUSSARD...YOUNGSVILLE...BALDWIN...ERATH...
DELCAMBRE...DUSON...MAURICE...LOREAUVILLE AND COTEAU.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 2975 9150 2979 9182 2980 9182 2980 9185
2981 9182 2983 9183 2984 9188 2981 9192
2983 9197 2982 9199 2982 9202 3033 9230
3034 9216 3030 9214 3035 9208 3037 9186
$$
241 follow-up statement
566
WGUS74 KLCH 171941
FFSLCH
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
241 PM CDT WED AUG 17 2016
LAC001-045-055-099-101-113-171949-
/O.EXP.KLCH.FF.W.0094.000000T0000Z-160817T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
VERMILION LA-ST. MARTIN LA-IBERIA LA-ST. MARY LA-ACADIA LA-
LAFAYETTE LA-
241 PM CDT WED AUG 17 2016
...THE FLASH FLOOD WARNING FOR NORTHEASTERN VERMILION...WEST CENTRAL
ST. MARTIN...NORTHWESTERN IBERIA...NORTHWESTERN ST. MARY...EAST
CENTRAL ACADIA AND LAFAYETTE PARISHES WILL EXPIRE AT 245 PM CDT...
SHOWERS AND THUNDERSTORMS HAVE DECREASED ACROSS THE AREA...WITH
HEAVY RAIN COMING TO AN END. THEREFORE FLASH FLOODING IS NO LONGER
EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO HEED ANY REMAINING
ROAD CLOSURES.
LAT...LON 2975 9150 2979 9182 2980 9182 2980 9185
2981 9182 2983 9183 2984 9188 2981 9192
2983 9197 2982 9199 2982 9202 3033 9230
3034 9216 3030 9214 3035 9208 3037 9186
$$
24The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 8:35 PM CDT | River Flood Warning | LCH | Allen | 5 days |
| Aug 16, 9:58 PM CDT | Flash Flood Warning | LCH | Saint Martin | 2 hr |
| Aug 16, 10:35 PM CDT | Flash Flood Warning | LCH | Acadia, Lafayette, Vermilion | 55 min |
| Aug 16, 11:56 PM CDT | Flash Flood Warning | LCH | Iberia, Lafayette, Saint Martin, Vermilion | 3 hr |
| Aug 17, 12:57 AM CDT | Flash Flood Warning | LCH | Iberia, Saint Martin, St. Mary | 2 hr |
Nearby
Flash Flood Warnings in Louisiana, 2016Every flash flood warning in 2016
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; radar from the NEXRAD Level II archive.