Alert archive / Louisiana / Flash Flood Warnings in 2021
Flash Flood Warning 49, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at Sep 2, 2021, 4:51 PM CDT for Rapides Parish, Louisiana. It was in force for 54 min. 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 2, 2021, 4:51 PM CDT (21:51 UTC)
- Expired
- Sep 2, 2021, 5:45 PM CDT
- In force
- 54 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Flood severity
- None
County Rapides Parish, LA
The radar
The Ft Polk radar (KPOE), 47 km from the middle of the area, began a volume at 21:55 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, 9.9 hours before the alert went out and 115 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
- 2712 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 646 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- -1 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
550
WGUS54 KLCH 022151
FFWLCH
LAC079-022245-
/O.NEW.KLCH.FF.W.0049.210902T2151Z-210902T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lake Charles LA
Issued by National Weather Service Brownsville TX
451 PM CDT Thu Sep 2 2021
The National Weather Service in Lake Charles has issued a
* Flash Flood Warning for...
South Central Rapides Parish in central Louisiana...
* Until 545 PM CDT.
* At 451 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 3 inches of rain
have fallen. The expected rainfall rate is 2 to 3 inches in 1
hour. Additional rainfall amounts of 1 to 2 inches are possible in
the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
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...
Glenmora, Woodworth, Forest Hill and Mcnary.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
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 3118 9263 3122 9250 3095 9248 3094 9248
3093 9248 3091 9248 3091 9249 3090 9250
3090 9251 3089 9252 3090 9253 3090 9254
3093 9263
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...2-3 INCHES IN 1 HOUR
$$
MC1 follow-up statement
289
WGUS74 KLCH 022237
FFSLCH
Flash Flood Statement
National Weather Service Lake Charles LA
Issued by National Weather Service Brownsville TX
537 PM CDT Thu Sep 2 2021
LAC079-022247-
/O.EXP.KLCH.FF.W.0049.000000T0000Z-210902T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Rapides LA-
537 PM CDT Thu Sep 2 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 545 PM CDT THIS AFTERNOON FOR
SOUTH CENTRAL RAPIDES PARISH...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
LAT...LON 3118 9263 3122 9250 3095 9248 3094 9248
3093 9248 3091 9248 3091 9249 3090 9250
3090 9251 3089 9252 3090 9253 3090 9254
3093 9263
$$
MCThe office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 2:15 PM CDT | Special Weather Statement | LCH | Vernon | 30 min |
| Sep 2, 2:35 PM CDT | Special Weather Statement | LCH | Vernon | 25 min |
| Sep 2, 2:56 PM CDT | Special Weather Statement | LCH | Rapides, Vernon | 34 min |
| Sep 2, 3:56 PM CDT | Special Weather Statement | LCH | Rapides | 34 min |
| Sep 2, 4:25 PM CDT | Special Weather Statement | LCH | Evangeline, Rapides | 50 min |
| Sep 2, 5:28 PM CDT | Special Weather Statement | LCH | Allen, Jefferson Davis | 62 min |
| Sep 2, 5:46 PM CDT | Special Weather Statement | LCH | Jefferson Davis | 59 min |
| Sep 2, 6:39 PM CDT | Special Weather Statement | LCH | Saint Martin | 51 min |
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.