Alert archive / Louisiana / Flash Flood Warnings in 2021
Flash Flood Warning 34, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at Jun 5, 2021, 1:37 AM 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
- Jun 5, 2021, 1:37 AM CDT (06:37 UTC)
- Expired
- Jun 5, 2021, 4:45 AM 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), 61 km from the middle of the area, began a volume at 06:40 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, 6.6 hours before the alert went out and 59 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
- 250 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 800 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 132 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
544
WGUS54 KLCH 050637
FFWLCH
LAC113-050945-
/O.NEW.KLCH.FF.W.0034.210605T0637Z-210605T0945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lake Charles LA
137 AM CDT Sat Jun 5 2021
The National Weather Service in Lake Charles has issued a
* Flash Flood Warning for...
Northwestern Vermilion Parish in southwestern Louisiana...
* Until 445 AM CDT.
* At 137 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 3 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...
mainly rural areas of Northwestern Vermilion Parish
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.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.
&&
LAT...LON 3011 9254 3007 9255 3004 9256 3003 9257
3002 9258 3001 9261 3004 9261 3005 9267
3005 9266 3007 9264 3009 9262 3009 9261
3010 9260 3010 9258 3010 9257 3011 9257
3011 9256 3012 9256
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
LandreneauThe office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 7:14 PM CDT | Special Marine Warning | LCH | 16 min | |
| Jun 4, 7:23 PM CDT | Special Weather Statement | LCH | Calcasieu | 67 min |
| Jun 5, 12:47 AM CDT | Special Weather Statement | LCH | Acadia | 88 min |
| Jun 5, 3:27 AM CDT | Special Marine Warning | LCH | 94 min | |
| Jun 5, 8:38 AM CDT | River Flood Warning | LCH | Calcasieu | 21 days |
| Jun 5, 8:38 AM CDT | River Flood Warning | LCH | Calcasieu | 5 days |
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.