Alert archive / Louisiana / Flash Flood Warnings in 2016

Flash Flood Warning 39, NWS Lake Charles, LA

May 1, 2016Beauregard Parish, Calcasieu Parish, Jefferson Davis Parish, Louisiana

NWS Lake Charles, LA issued this flash flood warning at May 1, 2016, 8:34 AM CDT for Beauregard Parish, Calcasieu Parish, Jefferson Davis Parish, Louisiana. It was in force for 3 hr. 9 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
May 1, 2016, 8:34 AM CDT (13:34 UTC)
Expired
May 1, 2016, 11:30 AM CDT
In force
3 hr
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon
Flood severity
None

Counties Beauregard Parish, LA, Calcasieu Parish, LA, Jefferson Davis Parish, LA

The radar

The Lake Charles radar (KLCH), 24 km from the middle of the area, began a volume at 13:34 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

TimeReportWhereRemark
May 1, 8:42 AM CDTFLASH FLOODLake Charles, LACALCASIEU PARISH EMERGENCY MANAGER REPORTS 2-3 FEET OF WATER ON THE I-210 EXIT AT ENTERPRISE BLVD. COLLEGE, KIRKMAN AND PRIEN LAKE ROADS ALL HAVE WATER ON THEM.
May 1, 9:30 AM CDTFLASH FLOOD1 Nnw Sulphur, LAPICTURE OF SEVERAL STREETS FLOODED IN SULPHUR.
May 1, 9:45 AM CDTHEAVY RAIN 2.152 Ne Lake Charles, LAMESONET STATION 2 NE LAKE CHARLES /D0259/
May 1, 9:47 AM CDTHEAVY RAIN 3.314 Ssw Lake Charles, LAMESONET STATION 4 SSW LAKE CHARLES /D6036/
May 1, 9:48 AM CDTHEAVY RAIN 2.155 Wsw Gillis, LAMESONET STATION 4 WSW GILLIS /D3319/
May 1, 10:02 AM CDTFLASH FLOODWestlake, LAPICTURES OF WATER OVER THE ROAD ON SAMPSON STREET IN WEST LAKE.
May 1, 10:30 AM CDTFLASH FLOOD2 Ne Lake Charles, LALA 14 FLOODED IN SEVERAL LOCATIONS IN LAKE CHARLES.
May 1, 10:43 AM CDTFLASH FLOOD1 Nnw Lake Charles, LAPICTURE OF A CAR SWEPT OFF THE ROAD AT BANK AND 7TH IN LAKE CHARLES.
May 1, 11:40 AM CDTFLASH FLOOD1 Nnw Lake Charles, LANOW VIDEO OF OTHER VEHICLE BEING SWEPT OFF THE ROAD AT BANK AND 7TH STREETS IN LAKE CHARLES.

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, 1.6 hours before the alert went out and 26 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-pSkew-T log-p diagram, Lake Charles Mun, LA at 12:00Z on 2016-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 324 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lake Charles Mun, LA at 12:00Z on 2016-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
324 J/kg
Mixed-layer CIN
-161 J/kg
Mixed-layer LCL
893 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.4

Open this sounding in Storm Lab

The text

As transmitted.

202 
WGUS54 KLCH 011334
FFWLCH
LAC011-019-053-011630-
/O.NEW.KLCH.FF.W.0039.160501T1334Z-160501T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
834 AM CDT SUN MAY 1 2016

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES  HAS ISSUED A

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

* UNTIL 1130 AM CDT

* AT 834 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. 2 TO 5 INCHES OF RAIN HAVE
  FALLEN...AND AN ADDITIONAL 2 TO 4 INCHES OF RAIN IS POSSIBLE
  ACROSS OVER THE NEXT FEW HOURS. FLASH FLOODING IS EXPECTED TO
  BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  LAKE CHARLES...SULPHUR...WESTLAKE...VINTON...IOWA...MOSS BLUFF...LAKE
  CHARLES REGIONAL AIRPORT...STARKS...GILLIS...BULLER...CARLYSS...LEBLEU
  SETTLEMENT...HOLMWOOD...BUHLER...EDGERLY...LUNITA AND TOPSY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

&&

LAT...LON 3005 9313 3005 9370 3007 9371 3005 9372
      3009 9373 3014 9369 3021 9372 3029 9371
      3030 9374 3034 9376 3039 9376 3042 9372
      3044 9313 3042 9313 3042 9307 3044 9306
      3044 9300 3004 9299 3004 9313

$$

LANDRENEAU
1 follow-up statement
887 
WGUS74 KLCH 011538
FFSLCH

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1038 AM CDT SUN MAY 1 2016

LAC011-019-053-011630-
/O.CON.KLCH.FF.W.0039.000000T0000Z-160501T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BEAUREGARD LA-JEFFERSON DAVIS LA-CALCASIEU LA-
1038 AM CDT SUN MAY 1 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 AM CDT FOR
SOUTHWESTERN BEAUREGARD...WESTERN JEFFERSON DAVIS AND CALCASIEU
PARISHES...

AT 1034 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. ANYWHERE FROM 3 TO 6 INCHES OF
RAIN...WITH A FEW ISOLATED LOCATIONS OF 8 TO 9 INCHES...HAS FALLEN
SINCE MIDNIGHT. FLASH FLOODING IS OCCURRING. NUMEROUS REPORTS OF
ROADS AND HOMES IN LAKE CHARLES AND WESTLAKE IN CALCASIEU PARISH
HAVE ANYWHERE FROM SEVERAL INCHES TO A COUPLE OF FEET OF WATER OVER
THEM...AS WELL AS SOME REPORTS OF HOMES FLOODED. 

SHOWERS AND THUNDERSTORMS CONTINUE TO TRAIN FROM WEST TO EAST OVER
THE WARNED AREA...AND ADDITIONAL RAINFALL OF 2 TO 4 INCHES IS
POSSIBLE THE NEXT SEVERAL HOURS...OR UNTIL THIS SYSTEM SHIFTS
FURTHER SOUTH OR DISSIPATES LATER THIS AFTERNOON OR EVENING. THE
FLASH FLOOD WARNING WILL LIKELY HAVE TO BE EXTENDED INTO
THEAFTERNOON HOURS.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
LAKE CHARLES...SULPHUR...WESTLAKE...VINTON...IOWA...MOSS BLUFF...LAKE
CHARLES REGIONAL AIRPORT...STARKS...GILLIS...BULLER...CARLYSS...LEBLEU
SETTLEMENT...HOLMWOOD...BUHLER...EDGERLY...LUNITA AND TOPSY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

&&

LAT...LON 3005 9313 3005 9370 3007 9371 3005 9372
      3009 9373 3014 9369 3021 9372 3029 9371
      3030 9374 3034 9376 3039 9376 3042 9372
      3044 9313 3042 9313 3042 9307 3044 9306
      3044 9300 3004 9299 3004 9313

$$

LANDRENEAU

The office that day

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

IssuedProductOfficeCountiesLasted
May 1, 3:07 AM CDTSpecial Weather StatementLCHAcadia38 min
May 1, 3:16 AM CDTSevere Thunderstorm WarningLCHAcadia, Lafayette, Saint Landry44 min
May 1, 3:34 AM CDTTornado WarningLCHAcadia, Lafayette26 min
May 1, 3:58 AM CDTSevere Thunderstorm WarningLCHAcadia, Lafayette, Saint Landry62 min
May 1, 4:09 AM CDTSpecial Weather StatementLCHCalcasieu66 min
May 1, 4:36 AM CDTSevere Thunderstorm WarningLCHCalcasieu39 min
May 1, 4:59 AM CDTSevere Thunderstorm WarningLCHLafayette, Saint Landry, Saint Martin61 min
May 1, 5:01 AM CDTSpecial Weather StatementLCHAllen59 min
May 1, 5:14 AM CDTSpecial Weather StatementLCHCalcasieu61 min
May 1, 5:19 AM CDTCoastal Flood AdvisoryLCHCameron12 hr
May 1, 5:44 AM CDTAreal Flood AdvisoryLCHCalcasieu3 hr
May 1, 5:51 AM CDTSevere Thunderstorm WarningLCHSaint Landry, Saint Martin39 min
May 1, 5:56 AM CDTSpecial Weather StatementLCHVernon49 min
May 1, 6:09 AM CDTSpecial Weather StatementLCHCalcasieu51 min
May 1, 6:32 AM CDTSpecial Weather StatementLCHSaint Martin28 min
May 1, 6:57 AM CDTSpecial Weather StatementLCHJefferson Davis48 min
May 1, 7:10 AM CDTAreal Flood AdvisoryLCHAcadia, Jefferson Davis3 hr
May 1, 7:23 AM CDTAreal Flood AdvisoryLCHAcadia, Lafayette, Saint Landry, Saint Martin3 hr
May 1, 7:32 AM CDTFlash Flood WarningLCHAcadia, Calcasieu, Jefferson Davis, Lafayette, Saint Landry, Saint Martin4 hr
May 1, 7:58 AM CDTSpecial Weather StatementLCHLafayette62 min
May 1, 8:02 AM CDTAreal Flood AdvisoryLCHCalcasieu118 min
May 1, 8:11 AM CDTRiver Flood WarningLCHLafayette, Saint Landry, Saint Martin4 days
May 1, 8:11 AM CDTRiver Flood WarningLCHLafayette, Vermilion11 days
May 1, 9:41 AM CDTRiver Flood WarningLCHAllen, Jefferson Davis49 hr
May 1, 9:41 AM CDTRiver Flood WarningLCHCalcasieu6 days
May 1, 10:14 AM CDTSpecial Weather StatementLCHCameron, Iberia, St. Mary, Vermilion91 min
May 1, 10:57 AM CDTFlash Flood WarningLCHAcadia, Iberia, Lafayette, Saint Landry, Saint Martin, St. Mary and 1 more11 hr
May 1, 11:05 AM CDTFlash Flood WarningLCHCalcasieu, Cameron, Jefferson Davis11 hr
May 1, 3:23 PM CDTSpecial Marine WarningLCH2 hr
May 1, 4:40 PM CDTSpecial Marine WarningLCH35 min
May 1, 4:57 PM CDTSpecial Weather StatementLCHJefferson Davis48 min

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.