Alert archive / Louisiana / Flash Flood Warnings in 2021
Flash Flood Warning 54, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at Sep 14, 2021, 3:46 PM CDT for Calcasieu Parish, Cameron Parish, Louisiana; Orange County, Texas. It was in force for 3 hr. 3 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 14, 2021, 3:46 PM CDT (20:46 UTC)
- Expired
- Sep 14, 2021, 7:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Calcasieu Parish, LA, Cameron Parish, LA, Orange County, TX
The radar
The Lake Charles radar (KLCH), 51 km from the middle of the area, began a volume at 20:47 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 14, 4:23 PM CDT | FLASH FLOOD | 3 Wsw West Orange, TX | WATER OVER THE ROAD. |
| Sep 14, 4:24 PM CDT | FLASH FLOOD | 1 Nw West Orange, TX | WATER OVER THE ROAD. |
| Sep 14, 4:25 PM CDT | FLASH FLOOD | 1 Se Orange, TX | WATER OVER THE ROAD. |
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, 8.8 hours before the alert went out and 53 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.
948
WGUS54 KLCH 142046
FFWLCH
LAC019-023-TXC361-150000-
/O.NEW.KLCH.FF.W.0054.210914T2046Z-210915T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lake Charles LA
346 PM CDT Tue Sep 14 2021
The National Weather Service in Lake Charles has issued a
* Flash Flood Warning for...
Southwestern Calcasieu Parish in southwestern Louisiana...
North Central Cameron Parish in southwestern Louisiana...
Eastern Orange County in southeastern Texas...
* Until 700 PM CDT.
* At 346 PM CDT, Doppler radar indicated heavy rain across the
warned area. Between 2 and 4 inches of rain have fallen in the
past 12 hours. 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 heavy rain.
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...
Sulphur, Orange, Vidor, Bridge City, West Orange, Vinton,
Mauriceville, Toomey, Pinehurst, Forest Heights, Edgerly,
Orangefield, Carlyss and Hackberry.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3011 9398 3018 9399 3024 9388 3026 9336
3005 9336 3005 9365 3004 9373 2999 9379
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, 10:25 AM CDT | Flash Flood Warning | LCH | Acadia, Iberia, Jefferson Davis, Lafayette, Saint Landry, Saint Martin and 1 more | 3 hr |
| Sep 14, 5:30 PM CDT | Flash Flood Warning | LCH | Calcasieu | 4 hr |
| Sep 14, 6:24 AM CDT | Flash Flood Warning | LCH | Jefferson, Orange | 10 hr |
| Sep 14, 8:18 AM CDT | River Flood Warning | LCH | Hardin, Jefferson, Orange | 19 hr |
| Sep 14, 10:00 AM CDT | Wind Advisory | LCH | Hardin, Jasper, Newton | 9 hr |
| Sep 14, 2:01 PM CDT | River Flood Warning | LCH | Hardin, Jasper, Jefferson, Orange | 35 hr |
| Sep 14, 4:03 PM CDT | Areal Flood Warning | LCH | Jefferson | 6 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.