Alert archive / Louisiana / Flash Flood Warnings in 2021
Flash Flood Warning 22, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at May 17, 2021, 2:35 PM CDT for Allen Parish, Jefferson Davis Parish, Louisiana. 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
- May 17, 2021, 2:35 PM CDT (19:35 UTC)
- Expired
- May 17, 2021, 7:45 PM CDT
- In force
- 5 hr
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Allen Parish, LA, Jefferson Davis Parish, LA
The radar
The Lake Charles radar (KLCH), 39 km from the middle of the area, began a volume at 19:34 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, 7.6 hours before the alert went out and 38 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
- 626 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 699 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 207 m²/s²
- 0-3 km storm-relative helicity
- 314 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 10.3
The text
As transmitted.
196
WGUS54 KLCH 171935
FFWLCH
LAC003-053-172245-
/O.NEW.KLCH.FF.W.0022.210517T1935Z-210517T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lake Charles LA
235 PM CDT Mon May 17 2021
The National Weather Service in Lake Charles has issued a
* Flash Flood Warning for...
South Central Allen Parish in southwestern Louisiana...
Central Jefferson Davis Parish in southwestern Louisiana...
* Until 545 PM CDT.
* At 235 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 5 inches of rain
have fallen. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Kinder, Fenton and Lacassine.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3052 9285 3049 9282 3034 9281 3024 9284
3018 9300 3022 9300 3023 9299 3028 9294
3035 9292 3043 9294
FLASH FLOOD...RADAR INDICATED
$$
Brazzell3 follow-up statements
549
WGUS74 KLCH 172021
FFSLCH
Flash Flood Statement
National Weather Service Lake Charles LA
321 PM CDT Mon May 17 2021
LAC003-053-172245-
/O.CON.KLCH.FF.W.0022.000000T0000Z-210517T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Allen LA-Jefferson Davis LA-
321 PM CDT Mon May 17 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 PM CDT THIS
AFTERNOON FOR SOUTH CENTRAL ALLEN AND CENTRAL JEFFERSON DAVIS
PARISHES...
At 321 PM CDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 3 and 8 inches of rain have
fallen. Flash flooding is already occurring.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Doppler radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
Some locations that will experience flash flooding include...
Kinder, Fenton and Lacassine.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3052 9285 3049 9282 3034 9281 3024 9284
3018 9300 3022 9300 3023 9299 3028 9294
3035 9292 3043 9294
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
Brazzell259
WGUS54 KLCH 172149
FFWLCH
LAC003-053-180015-
/O.EXT.KLCH.FF.W.0022.000000T0000Z-210518T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lake Charles LA
449 PM CDT Mon May 17 2021
The National Weather Service in Lake Charles has extended the
* Flash Flood Warning for...
South Central Allen Parish in southwestern Louisiana...
Central Jefferson Davis Parish in southwestern Louisiana...
* Until 715 PM CDT.
* At 449 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 4 and 8 inches of rain
have fallen. Flash flooding is already occurring.
HAZARD...Life threatening flash flooding. Thunderstorms
producing flash flooding.
SOURCE...Doppler radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that will experience flash flooding include...
Kinder, Fenton and Lacassine.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3052 9285 3049 9282 3034 9281 3024 9284
3018 9300 3022 9300 3023 9299 3028 9294
3035 9292 3043 9294
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
Brazzell456
WGUS54 KLCH 172355
FFWLCH
LAC003-053-180045-
/O.EXT.KLCH.FF.W.0022.000000T0000Z-210518T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lake Charles LA
655 PM CDT Mon May 17 2021
The National Weather Service in Lake Charles has extended the
* Flash Flood Warning for...
South Central Allen Parish in southwestern Louisiana...
Central Jefferson Davis Parish in southwestern Louisiana...
* Until 745 PM CDT.
* At 655 PM CDT, Doppler radar indicates rain is ending and water
levels should continue to drop on the smaller streams. Between 4
and 9 inches of rain have fallen. Flash flooding is already
occurring.
HAZARD...Life threatening flash flooding. Thunderstorms
producing flash flooding.
SOURCE...Doppler radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that will experience flash flooding include...
Kinder, Fenton and Lacassine.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3052 9285 3049 9282 3034 9281 3024 9284
3018 9300 3022 9300 3023 9299 3028 9294
3035 9292 3043 9294
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
BrazzellThe office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 2:45 AM CDT | Special Marine Warning | LCH | 90 min | |
| May 17, 3:46 AM CDT | Special Marine Warning | LCH | 59 min | |
| May 17, 4:16 AM CDT | Special Marine Warning | LCH | 89 min | |
| May 17, 4:22 AM CDT | Severe Thunderstorm Warning | LCH | Cameron | 53 min |
| May 17, 4:39 AM CDT | Special Marine Warning | LCH | 66 min | |
| May 17, 5:03 AM CDT | Tornado Warning | LCH | Cameron | 27 min |
| May 17, 5:31 AM CDT | Severe Thunderstorm Warning | LCH | Cameron | 59 min |
| May 17, 5:43 AM CDT | Tornado Warning | LCH | Calcasieu | 32 min |
| May 17, 6:00 AM CDT | Special Marine Warning | LCH | 60 min | |
| May 17, 6:32 AM CDT | Severe Thunderstorm Warning | LCH | Beauregard, Calcasieu | 58 min |
| May 17, 6:56 AM CDT | Special Marine Warning | LCH | 64 min | |
| May 17, 7:54 AM CDT | Special Marine Warning | LCH | 66 min | |
| May 17, 7:56 AM CDT | Special Marine Warning | LCH | 64 min | |
| May 17, 8:45 AM CDT | Tornado Warning | LCH | Vernon | 30 min |
| May 17, 9:00 AM CDT | Special Marine Warning | LCH | 60 min | |
| May 17, 9:04 AM CDT | Special Weather Statement | LCH | Beauregard | 41 min |
| May 17, 9:20 AM CDT | Tornado Warning | LCH | Allen, Beauregard | 25 min |
| May 17, 9:34 AM CDT | Flash Flood Warning | LCH | Beauregard, Vernon | 5 hr |
| May 17, 9:37 AM CDT | Flash Flood Warning | LCH | Beauregard, Calcasieu | 5 hr |
| May 17, 9:37 AM CDT | Tornado Warning | LCH | Calcasieu | 38 min |
| May 17, 9:40 AM CDT | Flash Flood Warning | LCH | Calcasieu, Cameron | 5 hr |
| May 17, 9:56 AM CDT | Special Marine Warning | LCH | 64 min | |
| May 17, 10:03 AM CDT | Special Marine Warning | LCH | 57 min | |
| May 17, 10:10 AM CDT | Flash Flood Warning | LCH | Calcasieu | 4 hr |
| May 17, 10:16 AM CDT | Severe Thunderstorm Warning | LCH | Calcasieu | 59 min |
| May 17, 10:30 AM CDT | Tornado Warning | LCH | Calcasieu | 30 min |
| May 17, 11:14 AM CDT | Severe Thunderstorm Warning | LCH | Calcasieu, Jefferson Davis | 61 min |
| May 17, 11:16 AM CDT | Tornado Warning | LCH | Cameron | 29 min |
| May 17, 11:18 AM CDT | Special Marine Warning | LCH | 17 min | |
| May 17, 11:21 AM CDT | Flash Flood Watch | LCH | Allen, Avoyelles, Beauregard, Cameron, Evangeline, Lafayette and 4 more | 5 days |
| May 17, 11:22 AM CDT | Tornado Warning | LCH | Calcasieu, Jefferson Davis | 23 min |
| May 17, 11:26 AM CDT | Flash Flood Warning | LCH | Allen, Beauregard | 3 hr |
| May 17, 11:36 AM CDT | Flash Flood Warning | LCH | Calcasieu | 3 hr |
| May 17, 11:42 AM CDT | Tornado Warning | LCH | Calcasieu, Jefferson Davis | 8 min |
| May 17, 11:51 AM CDT | Special Marine Warning | LCH | 54 min | |
| May 17, 12:41 PM CDT | Flash Flood Warning | LCH | Calcasieu, Jefferson Davis | 3 hr |
| May 17, 12:42 PM CDT | Special Marine Warning | LCH | 63 min | |
| May 17, 1:11 PM CDT | Tornado Warning | LCH | Calcasieu, Jefferson Davis | 34 min |
| May 17, 1:40 PM CDT | Special Marine Warning | LCH | 65 min | |
| May 17, 1:43 PM CDT | Flash Flood Warning | LCH | Calcasieu, Jefferson Davis | 6 hr |
| May 17, 1:49 PM CDT | Tornado Warning | LCH | Calcasieu, Jefferson Davis | 26 min |
| May 17, 2:04 PM CDT | Tornado Warning | LCH | Acadia, Lafayette, Vermilion | 26 min |
| May 17, 2:14 PM CDT | Tornado Warning | LCH | Calcasieu | 31 min |
| May 17, 2:19 PM CDT | Flash Flood Warning | LCH | Allen, Beauregard, Calcasieu | 5 hr |
| May 17, 2:24 PM CDT | Flash Flood Warning | LCH | Beauregard, Vernon | 3 hr |
| May 17, 2:27 PM CDT | Tornado Warning | LCH | Acadia | 33 min |
| May 17, 2:29 PM CDT | River Flood Warning | LCH | Allen, Beauregard | 21 days |
| May 17, 2:42 PM CDT | Special Marine Warning | LCH | 63 min | |
| May 17, 2:52 PM CDT | Tornado Warning | LCH | Saint Landry | 38 min |
| May 17, 2:53 PM CDT | Tornado Warning | LCH | Saint Landry, Saint Martin | 37 min |
| May 17, 2:57 PM CDT | Tornado Warning | LCH | Acadia | 33 min |
| May 17, 3:28 PM CDT | Tornado Warning | LCH | Saint Landry, Saint Martin | 32 min |
| May 17, 3:29 PM CDT | Flash Flood Warning | LCH | Acadia, Allen, Jefferson Davis | 5 hr |
| May 17, 3:29 PM CDT | Tornado Warning | LCH | Acadia, Jefferson Davis | 25 min |
| May 17, 3:30 PM CDT | Tornado Warning | LCH | Acadia | 16 min |
| May 17, 3:37 PM CDT | Tornado Warning | LCH | Acadia | 38 min |
| May 17, 3:40 PM CDT | Special Marine Warning | LCH | 65 min | |
| May 17, 4:08 PM CDT | Tornado Warning | LCH | Acadia | 37 min |
| May 17, 4:12 PM CDT | Tornado Warning | LCH | Saint Landry | 33 min |
| May 17, 4:39 PM CDT | Special Marine Warning | LCH | 66 min | |
| May 17, 4:44 PM CDT | Tornado Warning | LCH | Acadia, Saint Landry | 31 min |
| May 17, 5:12 PM CDT | Severe Thunderstorm Warning | LCH | Acadia, Lafayette, Vermilion | 48 min |
| May 17, 5:16 PM CDT | Tornado Warning | LCH | Lafayette, Saint Martin | 29 min |
| May 17, 5:39 PM CDT | Special Marine Warning | LCH | 66 min | |
| May 17, 5:57 PM CDT | Special Weather Statement | LCH | Lafayette, Vermilion | 33 min |
| May 17, 6:01 PM CDT | Flash Flood Warning | LCH | Acadia, Lafayette, Vermilion | 6 hr |
| May 17, 6:03 PM CDT | Flash Flood Warning | LCH | Lafayette, Saint Landry, Saint Martin | 7 hr |
| May 17, 6:32 PM CDT | Special Weather Statement | LCH | Lafayette, Vermilion | 43 min |
| May 17, 6:40 PM CDT | Special Marine Warning | LCH | 65 min | |
| May 17, 6:40 PM CDT | Tornado Warning | LCH | Saint Landry, Saint Martin | 35 min |
| May 17, 6:50 PM CDT | Areal Flood Warning | LCH | Beauregard, Calcasieu | 3 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.