Alert archive / Louisiana / Flash Flood Warnings in 2021
Flash Flood Warning 51, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at Sep 6, 2021, 8:44 AM CDT for 4 parishes in Louisiana. It was in force for 5 hr. 11 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
- Sep 6, 2021, 8:44 AM CDT (13:44 UTC)
- Expired
- Sep 6, 2021, 1:15 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, Jefferson Davis Parish, LA
The radar
The Lake Charles radar (KLCH), 42 km from the middle of the area, began a volume at 13:45 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 |
|---|---|---|---|
| Sep 6, 9:50 AM CDT | FLASH FLOOD | Gillis, LA | STREAM GAGES ARE REPORTING WATER OUT OF BANKS. |
| Sep 6, 9:51 AM CDT | FLASH FLOOD | 2 Ese Gillis, LA | STREAM GAGES ARE REPORTING WATER OUT OF THE BANKS. |
| Sep 6, 9:55 AM CDT | FLASH FLOOD | 2 N Moss Bluff, LA | WATER BRIEFLY ENTERED A FEW HOMES IN THE AREA, BUT IS NOW DECREASING. |
| Sep 6, 10:09 AM CDT | FLASH FLOOD | 1 Ene De Quincy, LA | PUBLIC REPORTS ONGOING FLASH FLOODING. |
| Sep 6, 10:13 AM CDT | FLASH FLOOD | 5 Se De Quincy, LA | RIVER GAGE REPORTING WATER OUT OF THE BANKS. |
| Sep 6, 11:00 AM CDT | FLASH FLOOD | 2 Wsw Topsy, LA | RIVER GAGE INDICATED WATER IS ON THE ROAD AND STILL RISING AT MARSH BAYOU AT WELCOME ROAD. |
| Sep 6, 11:28 AM CDT | HEAVY RAIN 6.75 | 5 Wsw Gillis, LA | MESONET STATION DW3319 LAKE CHARLES. |
| Sep 6, 11:45 AM CDT | HEAVY RAIN 6.93 | 4 Nw Moss Bluff, LA | |
| Sep 6, 11:46 AM CDT | HEAVY RAIN 6.29 | 1 Ese Gillis, LA | |
| Sep 6, 11:47 AM CDT | HEAVY RAIN 6.07 | 2 Wsw Topsy, LA | |
| Sep 6, 11:55 AM CDT | FLASH FLOOD | 2 Sw Gillis, LA | FLASH FLOODING STILL ONGOING WITH WATER IN HOMES. |
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, 1.7 hours before the alert went out and 42 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
- 2197 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 919 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- -38 m²/s²
- 0-3 km storm-relative helicity
- -10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
882
WGUS54 KLCH 061344
FFWLCH
LAC003-011-019-053-061715-
/O.NEW.KLCH.FF.W.0051.210906T1344Z-210906T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lake Charles LA
844 AM CDT Mon Sep 6 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...
Central Calcasieu Parish in southwestern Louisiana...
Northwestern Jefferson Davis Parish in southwestern Louisiana...
* Until 1215 PM CDT.
* At 844 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 5 inches of rain
has fallen. Flash flooding is 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...
Lake Charles, Sulphur, De Ridder, Westlake, Iowa, Reeves, Ragley,
Moss Bluff, De Quincy, Dry Creek, Singer, Lake Charles Regional
Airport, Gillis, Topsy, Longville, Buhler, Buller, Lebleu
Settlement, Oretta and Leblanc.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3068 9351 3084 9342 3085 9322 3084 9305
3076 9297 3062 9293 3035 9294 3015 9293
3009 9311 3010 9332 3014 9348 3039 9346
FLASH FLOOD...RADAR INDICATED
$$
K. Kuyper2 follow-up statements
864
WGUS54 KLCH 061452
FFWLCH
LAC003-011-019-053-061815-
/O.EXT.KLCH.FF.W.0051.000000T0000Z-210906T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lake Charles LA
952 AM CDT Mon Sep 6 2021
The National Weather Service in Lake Charles has extended the
* Flash Flood Warning for...
Southwestern Allen Parish in southwestern Louisiana...
Beauregard Parish in southwestern Louisiana...
Central Calcasieu Parish in southwestern Louisiana...
Northwestern Jefferson Davis Parish in southwestern Louisiana...
* Until 115 PM CDT.
* At 952 AM CDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
4 and 8 inches of rain have fallen. Additional rainfall amounts of
2 to 4 inches are possible in the warned area. Flash flooding is
already occurring.
HAZARD...Life threatening flash flooding. Thunderstorms
producing flash flooding.
SOURCE...Radar and automated gauges.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that will experience flash flooding include...
Lake Charles, Sulphur, De Ridder, Westlake, Iowa, Reeves, Ragley,
Moss Bluff, De Quincy, Dry Creek, Singer, Lake Charles Regional
Airport, Gillis, Topsy, Longville, Buhler, Buller, Lebleu
Settlement, Oretta and Leblanc.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3068 9351 3084 9342 3085 9322 3084 9305
3077 9298 3076 9297 3062 9293 3035 9294
3015 9293 3009 9311 3010 9332 3014 9348
3039 9346
FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
K. Kuyper366
WGUS74 KLCH 061639
FFSLCH
Flash Flood Statement
National Weather Service Lake Charles LA
1139 AM CDT Mon Sep 6 2021
LAC003-011-019-053-061815-
/O.CON.KLCH.FF.W.0051.000000T0000Z-210906T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Allen LA-Beauregard LA-Calcasieu LA-Jefferson Davis LA-
1139 AM CDT Mon Sep 6 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 PM CDT THIS
AFTERNOON FOR SOUTHWESTERN ALLEN, CENTRAL BEAUREGARD, NORTHEASTERN
CALCASIEU AND NORTHWESTERN JEFFERSON DAVIS PARISHES...
At 1139 AM CDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between 4
and 8 inches of rain have fallen. Stream gages across the area
continue to indicate rising waters in portions of Northern Calcasieu
Parish.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Radar and automated gauges.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
Some locations that will experience flash flooding include...
Westlake, Reeves, Ragley, De Quincy, Singer, Moss Bluff,
Longville, Gillis, Topsy, Oretta, Buhler and Tulla.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3068 9351 3075 9340 3075 9320 3073 9308
3057 9302 3048 9302 3044 9302 3028 9304
3030 9304 3029 9314 3025 9334 3027 9345
3039 9346
FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 5, 9:20 PM CDT | Special Weather Statement | LCH | Rapides | 25 min |
| Sep 5, 9:47 PM CDT | Special Weather Statement | LCH | Rapides | 28 min |
| Sep 5, 11:34 PM CDT | Special Weather Statement | LCH | Allen, Evangeline | 41 min |
| Sep 6, 4:52 AM CDT | Special Weather Statement | LCH | Avoyelles | 53 min |
| Sep 6, 5:52 AM CDT | Special Weather Statement | LCH | Avoyelles | 83 min |
| Sep 6, 6:12 AM CDT | Flash Flood Warning | LCH | Avoyelles, Rapides | 4 hr |
| Sep 6, 7:47 AM CDT | Special Weather Statement | LCH | Allen, Beauregard, Calcasieu | 58 min |
| Sep 6, 8:53 AM CDT | Special Weather Statement | LCH | Allen, Beauregard, Calcasieu, Jefferson Davis | 67 min |
| Sep 6, 8:58 AM CDT | Special Weather Statement | LCH | Vermilion | 62 min |
| Sep 6, 9:01 AM CDT | Special Marine Warning | LCH | 59 min | |
| Sep 6, 9:16 AM CDT | Special Marine Warning | LCH | 44 min | |
| Sep 6, 10:06 AM CDT | Special Marine Warning | LCH | 54 min | |
| Sep 6, 10:10 AM CDT | Special Weather Statement | LCH | Cameron, Vermilion | 65 min |
| Sep 6, 10:17 AM CDT | Special Marine Warning | LCH | 28 min | |
| Sep 6, 10:58 AM CDT | Special Weather Statement | LCH | Cameron | 47 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.