Alert archive / Louisiana / Flash Flood Warnings in 2016
Flash Flood Warning 31, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at Apr 20, 2016, 3:19 PM CDT for Calcasieu Parish, Louisiana. It was in force for 3 hr. 4 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
- Apr 20, 2016, 3:19 PM CDT (20:19 UTC)
- Expired
- Apr 20, 2016, 6:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Flood severity
- None
County Calcasieu Parish, LA
The radar
The Lake Charles radar (KLCH), 20 km from the middle of the area, began a volume at 20:20 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 |
|---|---|---|---|
| Apr 20, 4:01 PM CDT | FLASH FLOOD | Sw Moss Bluff, LA | PUBLIC POSTED PHOTO OF FLOODING NEAR CHAMPANGE CIRCLE IN MOSS BLUFF |
| Apr 20, 4:24 PM CDT | FLASH FLOOD | 5 N Moss Bluff, LA | REPORTS OF SEVERAL ROADS FLOODED AROUND GILLIS |
| Apr 20, 5:10 PM CDT | FLASH FLOOD | 1 Wnw Moss Bluff, LA | FLOODING ON PARK RD IN MOSS BLUFF |
| Apr 20, 5:28 PM CDT | FLASH FLOOD | Lake Charles, LA | SEVERAL ROADS IN LAKE CHARLES FLOODED |
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, 8.3 hours before the alert went out and 22 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
- 1053 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 506 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
872 WGUS54 KLCH 202019 FFWLCH LAC019-202315- /O.NEW.KLCH.FF.W.0031.160420T2019Z-160420T2315Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 319 PM CDT WED APR 20 2016 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL CALCASIEU PARISH IN SOUTHWESTERN LOUISIANA... * UNTIL 615 PM CDT * AT 317 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... LAKE CHARLES...SULPHUR...WESTLAKE...VINTON...MOSS BLUFF...GILLIS... BUHLER...CARLYSS AND EDGERLY. ADDITIONAL RAINFALL AMOUNTS OF 2 TO 3 ARE POSSIBLE IN THE WARNED AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE. && LAT...LON 3039 9318 3021 9306 3007 9370 3024 9367 $$ 06
1 follow-up statement
073 WGUS74 KLCH 202226 FFSLCH FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAKE CHARLES LA 526 PM CDT WED APR 20 2016 LAC019-202315- /O.CON.KLCH.FF.W.0031.000000T0000Z-160420T2315Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CALCASIEU LA- 526 PM CDT WED APR 20 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR CENTRAL CALCASIEU PARISH... AT 523 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA HAS ENDED. TWO TO FOUR INCHES OF RAIN FELL ACROSS THE AREA, HOWEVER THE STORMS THAT PRODUCED THE HEAVY RAIN HAVE MOVED EAST OF CALCASIEU PARISH. FLOODING THAT IS OCCURRING WILL GRADUALLY RECEDE THROUGH THE NEXT FEW HOURS. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... LAKE CHARLES...SULPHUR...WESTLAKE...VINTON...MOSS BLUFF...GILLIS...BUHLER... CARLYSS AND EDGERLY. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE. && LAT...LON 3039 9318 3021 9306 3007 9370 3024 9367 $$ TINGLER
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 4:01 AM CDT | Flash Flood Watch | LCH | Allen, Avoyelles, Beauregard, Cameron, Evangeline, Lafayette and 4 more | 38 hr |
| Apr 20, 9:41 AM CDT | Areal Flood Advisory | LCH | Calcasieu | 3 hr |
| Apr 20, 1:26 PM CDT | Special Weather Statement | LCH | Vernon | 49 min |
| Apr 20, 1:33 PM CDT | Special Weather Statement | LCH | Beauregard | 57 min |
| Apr 20, 2:13 PM CDT | Flash Flood Warning | LCH | Beauregard | 3 hr |
| Apr 20, 2:29 PM CDT | Flash Flood Warning | LCH | Calcasieu | 3 hr |
| Apr 20, 2:45 PM CDT | Flash Flood Warning | LCH | Allen, Jefferson Davis | 3 hr |
| Apr 20, 2:49 PM CDT | Special Weather Statement | LCH | Calcasieu | 41 min |
| Apr 20, 2:59 PM CDT | Special Marine Warning | LCH | 61 min | |
| Apr 20, 4:24 PM CDT | Special Weather Statement | LCH | Acadia, Lafayette | 66 min |
| Apr 20, 4:28 PM CDT | Areal Flood Advisory | LCH | Evangeline, Saint Landry | 3 hr |
| Apr 20, 5:16 PM CDT | Areal Flood Advisory | LCH | Acadia, Lafayette, Saint Landry, Saint Martin | 4 hr |
| Apr 20, 5:32 PM CDT | Special Weather Statement | LCH | Lafayette, Saint Martin | 43 min |
| Apr 20, 5:52 PM CDT | Flash Flood Warning | LCH | Lafayette, Saint Martin | 3 hr |
Nearby
Flash Flood Warnings in Louisiana, 2016Every flash flood warning in 2016
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.