Alert archive / Louisiana / Flash Flood Warnings in 2016

Flash Flood Warning 6, NWS Lake Charles, LA

March 9, 2016Beauregard Parish, Louisiana

NWS Lake Charles, LA issued this flash flood warning at Mar 9, 2016, 7:11 PM CST for Beauregard Parish, Louisiana. It was in force for 4 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: Mar 9, 2016, 7:11 PM CST (01:11 UTC)
Expired: Mar 9, 2016, 10:45 PM CST
In force: 4 hr
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Flood severity: None

County Beauregard Parish, LA

The radar

The Lake Charles radar (KLCH), 70 km from the middle of the area, began a volume at 01:15 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, 1.2 hours before the alert went out and 72 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1704 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 529 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 201 m²/s²
0-3 km storm-relative helicity: 181 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 5.7

Open this sounding in Storm Lab

The text

As transmitted.

737 
WGUS54 KLCH 100111
FFWLCH
LAC011-100445-
/O.NEW.KLCH.FF.W.0006.160310T0111Z-160310T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
711 PM CST WED MAR 9 2016

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES  HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN BEAUREGARD PARISH IN SOUTHWESTERN LOUISIANA...

* UNTIL 1045 PM CST
    
* AT 709 PM CST...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS WESTERN BEAUREGARD PARISH. UP TO TWO INCHES OF
  RAIN HAVE ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN
  SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  MERRYVILLE...FIELDS...BANCROFT...JUNCTION AND BIVENS. 

ADDITIONAL RAINFALL AMOUNTS OF ONE TO THREE INCHES ARE POSSIBLE IN
THE WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3088 9336 3040 9356 3040 9374 3043 9373
      3044 9370 3048 9372 3052 9371 3054 9374
      3058 9373 3059 9368 3061 9369 3066 9367
      3069 9362 3076 9361 3077 9359 3080 9358
      3082 9356 3088 9355 3086 9348 3088 9342

$$

1 follow-up statement

704 
WGUS74 KLCH 100438
FFSLCH

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1038 PM CST WED MAR 9 2016

LAC011-100445-
/O.EXP.KLCH.FF.W.0006.000000T0000Z-160310T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BEAUREGARD LA-
1038 PM CST WED MAR 9 2016

...THE FLASH FLOOD WARNING FOR WESTERN BEAUREGARD PARISH WILL EXPIRE
AT 1045 PM CST...

AREAS OF HEAVY RAINFALL CONTINUE OVER NORTHWEST BEAUREGARD
PARISH...AND THIS WARNING HAS BEEN REPLACED BY ANOTHER FLASH FLOOD
WARNING IN EFFECT FOR NORTHWESTERN BEAUREGARD PARISH UNTIL 430 AM
CST THURSDAY.

LAT...LON 3088 9336 3040 9356 3040 9374 3043 9373
      3044 9370 3048 9372 3052 9371 3054 9374
      3058 9373 3059 9368 3061 9369 3066 9367
      3069 9362 3076 9361 3077 9359 3080 9358
      3082 9356 3088 9355 3086 9348 3088 9342

$$

13

The office that day

Everything else NWS Lake Charles, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 9, 9:01 PM CST	Flash Flood Warning	LCH	Beauregard, Rapides, Vernon	119 min
Mar 9, 9:18 PM CST	Small Craft Advisory	LCH		27 hr
Mar 9, 10:32 PM CST	Flash Flood Warning	LCH	Beauregard, Vernon	6 hr
Mar 9, 11:09 PM CST	Flash Flood Warning	LCH	Beauregard, Rapides, Vernon	5 hr
Mar 9, 11:57 PM CST	Flash Flood Warning	LCH	Rapides, Vernon	5 hr
Mar 10, 1:46 AM CST	River Flood Warning	LCH	Calcasieu	13 days
Mar 10, 4:40 AM CST	Flash Flood Warning	LCH	Beauregard, Vernon	8 hr
Mar 10, 5:45 AM CST	Special Weather Statement	LCH	Allen, Evangeline, Rapides	45 min
Mar 10, 5:52 AM CST	Special Marine Warning	LCH		53 min
Mar 10, 6:38 AM CST	Areal Flood Advisory	LCH	Allen, Beauregard, Rapides, Vernon	3 hr
Mar 10, 6:40 AM CST	Areal Flood Advisory	LCH	Calcasieu, Jefferson Davis	3 hr
Mar 10, 7:39 AM CST	Flash Flood Warning	LCH	Allen, Rapides, Vernon	5 hr
Mar 10, 7:51 AM CST	Special Weather Statement	LCH	Rapides	24 min
Mar 10, 8:55 AM CST	Special Weather Statement	LCH	Allen, Beauregard, Calcasieu, Jefferson Davis	50 min
Mar 10, 11:25 AM CST	Areal Flood Advisory	LCH	Acadia, Cameron, Evangeline, Lafayette, Saint Landry, Saint Martin and 1 more	3 hr
Mar 10, 11:43 AM CST	Special Weather Statement	LCH	Evangeline	47 min
Mar 10, 11:47 AM CST	Special Marine Warning	LCH		28 min
Mar 10, 12:23 PM CST	Special Weather Statement	LCH	Avoyelles	52 min
Mar 10, 12:36 PM CST	Areal Flood Warning	LCH	Allen, Avoyelles, Beauregard, Calcasieu, Rapides, Vernon	24 hr
Mar 10, 1:20 PM CST	River Flood Warning	LCH	Saint Martin, St. Mary	31 days

Nearby

Flash Flood Warnings in Louisiana, 2016 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.