Alert archive / Louisiana / Flash Flood Warnings in 2021
Flash Flood Warning 27, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at May 17, 2021, 7:20 PM CDT for Vermilion Parish, 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
- May 17, 2021, 7:20 PM CDT (00:20 UTC)
- Expired
- May 17, 2021, 10:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Flood severity
- None
County Vermilion Parish, LA
The radar
The Lake Charles radar (KLCH), 104 km from the middle of the area, began a volume at 00:22 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 00:00Z, 0.3 hours before the alert went out and 102 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
- 114 J/kg
- Mixed-layer CIN
- -166 J/kg
- Mixed-layer LCL
- 1016 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- -80 m²/s²
- 0-3 km storm-relative helicity
- -51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
496
WGUS54 KLCH 180020
FFWLCH
LAC113-180345-
/O.NEW.KLCH.FF.W.0027.210518T0020Z-210518T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lake Charles LA
720 PM CDT Mon May 17 2021
The National Weather Service in Lake Charles has issued a
* Flash Flood Warning for...
Northeastern Vermilion Parish in southwestern Louisiana...
* Until 1045 PM CDT.
* At 720 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 6 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...
Abbeville, Kaplan, Maurice and Meaux.
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 3007 9205 3006 9205 2998 9211 2997 9223
2997 9233 3003 9233 3005 9229 3014 9220
3012 9213 3012 9212 3012 9211 3012 9209
3011 9209 3010 9208 3008 9207 3007 9207
FLASH FLOOD...RADAR INDICATED
$$
Brazzell1 follow-up statement
974
WGUS74 KLCH 180124
FFSLCH
Flash Flood Statement
National Weather Service Lake Charles LA
824 PM CDT Mon May 17 2021
LAC113-180345-
/O.CON.KLCH.FF.W.0027.000000T0000Z-210518T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Vermilion LA-
824 PM CDT Mon May 17 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT THIS
EVENING FOR NORTHEASTERN VERMILION PARISH...
At 824 PM CDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 3 and 8 inches of rain have
fallen. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Doppler radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
Some locations that will experience flash flooding include...
Abbeville, Kaplan, Maurice and Meaux.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3007 9205 3006 9205 2998 9211 2997 9223
2997 9233 3003 9233 3005 9229 3014 9220
3012 9213 3012 9212 3012 9211 3012 9209
3011 9209 3010 9208 3008 9207 3007 9207
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
BrazzellThe office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 7:01 PM CDT | Flash Flood Warning | LCH | Lafayette | 5 hr |
| May 17, 7:18 PM CDT | Tornado Warning | LCH | Iberia, Lafayette, Saint Martin | 27 min |
| May 17, 7:19 PM CDT | Tornado Warning | LCH | Lafayette, Vermilion | 26 min |
| May 17, 7:35 PM CDT | Areal Flood Warning | LCH | Acadia, Allen, Calcasieu, Evangeline, Jefferson Davis | 6 hr |
| May 17, 7:40 PM CDT | Special Marine Warning | LCH | 65 min | |
| May 17, 7:46 PM CDT | Tornado Warning | LCH | Iberia, Vermilion | 29 min |
| May 17, 8:22 PM CDT | Special Weather Statement | LCH | Saint Martin | 38 min |
| May 17, 8:23 PM CDT | Flash Flood Warning | LCH | Iberia, Lafayette, Saint Martin, Vermilion | 3 hr |
| May 17, 8:33 PM CDT | River Flood Warning | LCH | Lafayette, Saint Landry, Saint Martin | 8 days |
| May 17, 8:33 PM CDT | River Flood Warning | LCH | Beauregard, Vernon | 8 days |
| May 17, 8:33 PM CDT | River Flood Warning | LCH | Calcasieu | 12 days |
| May 17, 8:33 PM CDT | River Flood Warning | LCH | Acadia, Evangeline, Saint Landry | 5 days |
| May 17, 8:33 PM CDT | River Flood Warning | LCH | Allen, Rapides | 21 days |
| May 17, 8:33 PM CDT | River Flood Warning | LCH | Acadia, Allen, Evangeline, Jefferson Davis | 8 days |
| May 17, 8:33 PM CDT | Special Marine Warning | LCH | 87 min | |
| May 17, 8:53 PM CDT | Special Weather Statement | LCH | Saint Martin, St. Mary | 52 min |
| May 17, 9:49 PM CDT | Special Weather Statement | LCH | Iberia, St. Mary | 56 min |
| May 17, 9:54 PM CDT | Special Marine Warning | LCH | 96 min | |
| May 17, 11:08 PM CDT | Areal Flood Warning | LCH | Vermilion | 3 hr |
| May 17, 11:44 PM CDT | Areal Flood Warning | LCH | Iberia, Lafayette, Saint Martin, Vermilion | 3 hr |
| May 18, 12:24 AM CDT | Special Marine Warning | LCH | 66 min | |
| May 18, 1:40 AM CDT | Areal Flood Warning | LCH | Acadia, Calcasieu, Jefferson Davis | 5 hr |
| May 18, 1:48 AM CDT | Small Craft Advisory | LCH | 5 days | |
| May 18, 2:25 AM CDT | Areal Flood Warning | LCH | Iberia, Lafayette, Saint Landry, Saint Martin, Vermilion | 6 hr |
| May 18, 2:25 AM CDT | Special Marine Warning | LCH | 50 min | |
| May 18, 7:00 AM CDT | Areal Flood Warning | LCH | Calcasieu, Jefferson Davis | 3 hr |
| May 18, 7:54 AM CDT | Areal Flood Warning | LCH | Iberia, Lafayette, Saint Martin, Vermilion | 2 hr |
| May 18, 9:47 AM CDT | Special Marine Warning | LCH | 58 min | |
| May 18, 11:06 AM CDT | River Flood Warning | LCH | Allen, Beauregard | 21 days |
| May 18, 11:56 AM CDT | River Flood Warning | LCH | Calcasieu | 10 days |
| May 18, 1:25 PM CDT | Special Marine Warning | LCH | 65 min | |
| May 18, 1:42 PM CDT | Coastal Flood Advisory | LCH | Cameron | 8 hr |
| May 18, 1:57 PM CDT | Wind Advisory | LCH | Cameron, Saint Martin | 14 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.