Alert archive / Louisiana / Flash Flood Warnings in 2021
Flash Flood Warning 53, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at Sep 14, 2021, 10:25 AM CDT for 7 parishes in Louisiana. It was in force for 3 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
- Sep 14, 2021, 10:25 AM CDT (15:25 UTC)
- Expired
- Sep 14, 2021, 1:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Acadia Parish, LA, Iberia Parish, LA, Jefferson Davis Parish, LA, Lafayette Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, Vermilion Parish, LA
The radar
The Lake Charles radar (KLCH), 93 km from the middle of the area, began a volume at 15:26 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, 3.4 hours before the alert went out and 91 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
- 63 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 701 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 218 m²/s²
- 0-3 km storm-relative helicity
- 192 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
075
WGUS54 KLCH 141525
FFWLCH
LAC001-045-053-055-097-099-113-141830-
/O.NEW.KLCH.FF.W.0053.210914T1525Z-210914T1830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lake Charles LA
1025 AM CDT Tue Sep 14 2021
The National Weather Service in Lake Charles has issued a
* Flash Flood Warning for...
Southwestern St. Landry Parish in central Louisiana...
Northwestern Iberia Parish in south central Louisiana...
Lafayette Parish in south central Louisiana...
West Central St. Martin Parish in south central Louisiana...
Acadia Parish in southwestern Louisiana...
Southeastern Jefferson Davis Parish in southwestern Louisiana...
Northeastern Vermilion Parish in southwestern Louisiana...
* Until 130 PM CDT.
* At 1025 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 3 inches of rain
have fallen. Additional rainfall amounts of 1 to 3 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Lafayette, Crowley, Jennings, Scott, Breaux Bridge, Rayne,
Carencro, Iota, Mermentau, Evangeline, Broussard, Youngsville,
Duson, Maurice, Morse, Cankton, Indian Bayou, Ridge, Mire and
Lyons Point.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3012 9271 3033 9272 3036 9195 3018 9187
3007 9192 3002 9195 3002 9197 3003 9211
3010 9261
FLASH FLOOD...RADAR INDICATED
$$The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 14, 1:32 AM CDT | Tornado Warning | LCH | Cameron | 28 min |
| Sep 14, 8:19 AM CDT | River Flood Watch | LCH | Beauregard | 25 hr |
| Sep 14, 8:28 AM CDT | River Flood Watch | LCH | Allen | 24 hr |
| Sep 14, 8:28 AM CDT | River Flood Warning | LCH | Rapides | 5 days |
| Sep 14, 8:28 AM CDT | River Flood Warning | LCH | Allen, Beauregard | 5 days |
| Sep 14, 3:46 PM CDT | Flash Flood Warning | LCH | Calcasieu, Cameron | 3 hr |
| Sep 14, 5:30 PM CDT | Flash Flood Warning | LCH | Calcasieu | 4 hr |
Nearby
Flash Flood Warnings in Louisiana, 2021Every flash flood warning in 2021
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.