Alert archive / Louisiana / Flash Flood Warnings in 2021
Flash Flood Warning 60, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at Sep 28, 2021, 9:15 AM CDT for Allen Parish, Beauregard Parish, Calcasieu Parish, Louisiana; Newton County, Texas. It was in force for 5 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 28, 2021, 9:15 AM CDT (14:15 UTC)
- Expired
- Sep 28, 2021, 1:45 PM CDT
- In force
- 5 hr
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Allen Parish, LA, Beauregard Parish, LA, Calcasieu Parish, LA, Newton County, TX
The radar
The Lake Charles radar (KLCH), 49 km from the middle of the area, began a volume at 14:16 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, 2.3 hours before the alert went out and 50 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
- 922 J/kg
- Mixed-layer CIN
- -97 J/kg
- Mixed-layer LCL
- 830 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -95 m²/s²
- 0-3 km storm-relative helicity
- -188 m²/s²
- Significant tornado parameter
- -0.3
- Supercell composite
- -3.3
The text
As transmitted.
379
WGUS54 KLCH 281415
FFWLCH
LAC003-011-019-TXC351-281715-
/O.NEW.KLCH.FF.W.0060.210928T1415Z-210928T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lake Charles LA
915 AM CDT Tue Sep 28 2021
The National Weather Service in Lake Charles has issued a
* Flash Flood Warning for...
Southwestern Allen Parish in southwestern Louisiana...
Beauregard Parish in southwestern Louisiana...
Northwestern Calcasieu Parish in southwestern Louisiana...
Southern Newton County in southeastern Texas...
* Until 1215 PM CDT.
* At 915 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 5 inches of rain
have fallen. Additional rainfall amounts of 3 to 5 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...
Merryville, Reeves, Singer, De Quincy, Fields, Ragley, Bon Weir,
Dry Creek, Oretta, Bivens, Longville, Tulla, Bancroft, Old Salem,
Trout Creek, Devils Pocket, Wrights Settlement and Bundick Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3039 9388 3055 9388 3077 9373 3077 9359
3076 9295 3070 9298 3060 9302 3042 9310
3042 9311 3042 9313 3041 9313
FLASH FLOOD...RADAR INDICATED
$$3 follow-up statements
911
WGUS74 KLCH 281539
FFSLCH
Flash Flood Statement
National Weather Service Lake Charles LA
1039 AM CDT Tue Sep 28 2021
LAC003-011-019-TXC351-281715-
/O.CON.KLCH.FF.W.0060.000000T0000Z-210928T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Allen LA-Beauregard LA-Calcasieu LA-Newton TX-
1039 AM CDT Tue Sep 28 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 PM CDT THIS
AFTERNOON FOR SOUTHERN NEWTON COUNTY AND SOUTHWESTERN ALLEN,
BEAUREGARD AND NORTHWESTERN CALCASIEU PARISHES...
At 1039 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 3 and 7 inches of rain
have fallen. Additional rainfall amounts of 2 to 4 inches are
possible in the warned area. Flash flooding is already occurring.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
Some locations that will experience flash flooding include...
Merryville, Reeves, Singer, De Quincy, Fields, Ragley, Bon Weir,
Dry Creek, Oretta, Bivens, Longville, Tulla, Bancroft, Old Salem,
Trout Creek, Devils Pocket, Wrights Settlement and Bundick Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3039 9388 3055 9388 3077 9373 3077 9359
3076 9295 3070 9298 3060 9302 3042 9310
3042 9311 3042 9313 3041 9313
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$187
WGUS54 KLCH 281703
FFWLCH
LAC003-011-019-TXC351-281845-
/O.EXT.KLCH.FF.W.0060.000000T0000Z-210928T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lake Charles LA
1203 PM CDT Tue Sep 28 2021
The National Weather Service in Lake Charles has extended the
* Flash Flood Warning for...
Southwestern Allen Parish in southwestern Louisiana...
Beauregard Parish in southwestern Louisiana...
Northwestern Calcasieu Parish in southwestern Louisiana...
Southern Newton County in southeastern Texas...
* Until 145 PM CDT.
* At 1203 PM CDT, Doppler radar indicated the heavy rain across the
warned area has ended, however modeling data indicates that flash
flooding is still occurring. Between 3 and 7 inches of rain have
fallen. Flash flooding is already occurring.
HAZARD...Life threatening flash flooding. Thunderstorms
producing flash flooding.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that will experience flash flooding include...
Merryville, Reeves, Singer, De Quincy, Fields, Ragley, Bon Weir,
Dry Creek, Oretta, Bivens, Longville, Tulla, Bancroft, Old Salem,
Trout Creek, Devils Pocket, Wrights Settlement and Bundick Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3039 9388 3055 9388 3077 9373 3077 9359
3076 9295 3070 9298 3060 9302 3042 9310
3042 9311 3042 9313 3041 9313
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$963
WGUS74 KLCH 281836
FFSLCH
Flash Flood Statement
National Weather Service Lake Charles LA
136 PM CDT Tue Sep 28 2021
LAC003-011-019-TXC351-281846-
/O.EXP.KLCH.FF.W.0060.000000T0000Z-210928T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Allen LA-Beauregard LA-Calcasieu LA-Newton TX-
136 PM CDT Tue Sep 28 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 145 PM CDT THIS AFTERNOON FOR
SOUTHERN NEWTON COUNTY AND SOUTHWESTERN ALLEN, BEAUREGARD AND
NORTHWESTERN CALCASIEU PARISHES...
The heavy rain has ended. Additional flooding is no longer expected
to pose a threat. Please continue to heed remaining road closures
and do not drive through flooded roadways.
LAT...LON 3039 9388 3055 9388 3077 9373 3077 9359
3076 9295 3070 9298 3060 9302 3042 9310
3042 9311 3042 9313 3041 9313
$$The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 28, 6:29 AM CDT | Special Weather Statement | LCH | Vernon | 61 min |
| Sep 28, 6:39 AM CDT | Flash Flood Warning | LCH | Vernon | 3 hr |
| Sep 28, 8:41 AM CDT | Flash Flood Warning | LCH | Allen, Beauregard, Rapides, Vernon | 5 hr |
| Sep 28, 9:43 AM CDT | Flash Flood Warning | LCH | Iberia | 2 hr |
| Sep 28, 10:18 AM CDT | Flash Flood Warning | LCH | Calcasieu, Cameron, Jefferson Davis | 4 hr |
| Sep 28, 10:19 AM CDT | Special Weather Statement | LCH | Calcasieu | 26 min |
| Sep 28, 12:26 PM CDT | Flash Flood Warning | LCH | Acadia, Evangeline, Saint Landry | 3 hr |
| Sep 28, 12:41 PM CDT | River Flood Warning | LCH | Calcasieu | 14 days |
| Sep 28, 2:11 PM CDT | River Flood Warning | LCH | Rapides | 43 hr |
| Sep 28, 10:20 AM CDT | Flash Flood Warning | LCH | Hardin, Jasper, Newton, Orange | 3 hr |
Nearby
Flash Flood Warnings in Louisiana, 2021Flash Flood Warnings in Texas, 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.