Alert archive / Louisiana / Areal Flood Warnings in 2021
Areal Flood Warning 21, NWS Lake Charles, LA
NWS Lake Charles, LA issued this areal flood warning at Sep 15, 2021, 11:13 AM CDT for 4 parishes in Louisiana. It was in force for 6 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
- Sep 15, 2021, 11:13 AM CDT (16:13 UTC)
- Expired
- Sep 15, 2021, 5:15 PM CDT
- In force
- 6 hr
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Avoyelles Parish, LA, Evangeline Parish, LA, Rapides Parish, LA, Saint Landry Parish, LA
The radar
The Ft Polk radar (KPOE), 77 km from the middle of the area, began a volume at 16:17 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, 4.2 hours before the alert went out and 142 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
- 89 J/kg
- Mixed-layer CIN
- -234 J/kg
- Mixed-layer LCL
- 489 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
765
WGUS44 KLCH 151613
FLWLCH
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Lake Charles LA
1113 AM CDT Wed Sep 15 2021
LAC009-039-079-097-152215-
/O.NEW.KLCH.FA.W.0021.210915T1613Z-210915T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Avoyelles LA-Evangeline LA-Rapides LA-St. Landry LA-
1113 AM CDT Wed Sep 15 2021
The National Weather Service in Lake Charles has issued a
* Flood Warning for...
Avoyelles Parish in central Louisiana...
Evangeline Parish in central Louisiana...
Southern Rapides Parish in central Louisiana...
Northeastern St. Landry Parish in central Louisiana...
* Until 515 PM CDT Wednesday.
* At 1113 AM CDT, Flooding is already occurring in the warned area.
Between 3 and 10 inches of rain have fallen overnight into early
this morning.
* Some locations that will experience flooding include...
Ville Platte, Marksville, Bunkie, Mamou, Simmesport, Glenmora,
Moreauville, Cheneyville, Turkey Creek, Palmetto, Morrow, Effie,
Bordelonville, Bayou Current, Cottonport, Pine Prairie, Mansura,
Lecompte, Hessmer and Chataignier.
Additional rainfall amounts up to 1 inch are possible in the warned
area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Stay away or be swept away. River banks and culverts can become
unstable and unsafe.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 3093 9250 3095 9282 3109 9281 3122 9249
3118 9243 3140 9216 3132 9208 3132 9200
3123 9199 3123 9192 3127 9195 3130 9191
3116 9168 3104 9172 3098 9181 3080 9178
3073 9185 3055 9230 3059 9253 3084 9256
$$
04The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 14, 7:21 PM CDT | Wind Advisory | LCH | Cameron | 72 min |
| Sep 15, 1:45 AM CDT | Flash Flood Warning | LCH | Avoyelles, Evangeline, Rapides, Saint Landry | 4 hr |
| Sep 15, 3:15 AM CDT | Flash Flood Warning | LCH | Avoyelles, Evangeline, Saint Landry | 3 hr |
Nearby
Areal Flood Warnings in Louisiana, 2021Every areal 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.