Alert archive / Louisiana / Flash Flood Warnings in 2017
Flash Flood Warning 83, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at Aug 30, 2017, 8:20 AM CDT for Beauregard Parish, Calcasieu Parish, Vernon Parish, Louisiana. It was in force for 12 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
- Aug 30, 2017, 8:20 AM CDT (13:20 UTC)
- Expired
- Aug 30, 2017, 8:15 PM CDT
- In force
- 12 hr
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Beauregard Parish, LA, Calcasieu Parish, LA, Vernon Parish, LA
The radar
The Ft Polk radar (KPOE), 59 km from the middle of the area, began a volume at 13:23 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, 1.3 hours before the alert went out and 83 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1152 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
194
WGUS54 KLCH 301320
FFWLCH
LAC011-019-115-301915-
/O.NEW.KLCH.FF.W.0083.170830T1320Z-170830T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lake Charles LA
820 AM CDT WED AUG 30 2017
The National Weather Service in Lake Charles has issued a
* Flash Flood Warning for...
Western Beauregard Parish in southwestern Louisiana...
Western Calcasieu Parish in southwestern Louisiana...
Vernon Parish in west central Louisiana...
* Until 215 PM CDT
* At 818 AM CDT, Doppler radar indicated heavy rain across the
warned area. 5 to 25 inches of rain have fallen over the past
several day and an additional 2 to 4 inches will be possible
through afternoon. Flash flooding is already occurring.
* Some locations that will experience flooding include...
Leesville, Vinton, Rosepine, Merryville, Anacoco, Singer, Fort
Polk, De Ridder, De Quincy, Slagle, Starks, Fields, Deridder,
Dequincy, New Llano, Hornbeck, Lunita, Bivens, Hutton and Edgerly.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3133 9289 3132 9288 3049 9343 3005 9355
3005 9372 3014 9369 3029 9371 3034 9376
3044 9370 3054 9374 3083 9355 3089 9357
3094 9353 3100 9358 3103 9351 3109 9356
3128 9353 3128 9344 3136 9339 3137 9303
$$
Tingler1 follow-up statement
209
WGUS54 KLCH 301903
FFWLCH
LAC011-019-115-310115-
/O.EXT.KLCH.FF.W.0083.000000T0000Z-170831T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lake Charles LA
203 PM CDT WED AUG 30 2017
The National Weather Service in Lake Charles has extended the
* Flash Flood Warning for...
Western Beauregard Parish in southwestern Louisiana...
Western Calcasieu Parish in southwestern Louisiana...
Vernon Parish in west central Louisiana...
* Until 815 PM CDT Wednesday
* At 200 PM CDT, Doppler radar indicated moderate to heavy rain
across the warned area. 8 to 30 inches of rain have fallen over
the past 5 days and up to 3 inches have fallen over the past 3
hours. Flash flooding is already occurring.
* Some locations that will experience flooding include...
Leesville, Vinton, Rosepine, Merryville, Anacoco, Singer, Fort
Polk, De Ridder, De Quincy, Slagle, Starks, Fields, Deridder,
Dequincy, New Llano, Hornbeck, Lunita, Bivens, Hutton and Edgerly.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3133 9289 3132 9288 3049 9343 3005 9355
3005 9372 3014 9369 3029 9371 3034 9376
3044 9370 3054 9374 3083 9355 3089 9357
3094 9353 3100 9358 3103 9351 3109 9356
3128 9353 3128 9344 3136 9339 3137 9303
$$
TinglerThe office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 7:09 PM CDT | Flash Flood Warning | LCH | Calcasieu, Cameron | 3 hr |
| Aug 29, 7:13 PM CDT | Special Marine Warning | LCH | 32 min | |
| Aug 29, 7:24 PM CDT | Flash Flood Warning | LCH | Beauregard, Vernon | 6 hr |
| Aug 29, 7:42 PM CDT | Special Marine Warning | LCH | 33 min | |
| Aug 29, 10:22 PM CDT | Flash Flood Warning | LCH | Beauregard, Vernon | 11 hr |
| Aug 29, 11:29 PM CDT | Wind Advisory | LCH | Allen, Avoyelles, Beauregard, Evangeline, Lafayette, Rapides and 3 more | 20 hr |
| Aug 30, 4:18 AM CDT | Flash Flood Warning | LCH | Calcasieu, Cameron | 5 hr |
Nearby
Flash Flood Warnings in Louisiana, 2017Every flash flood warning in 2017
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.