Alert archive / Louisiana / Flash Flood Warnings in 2001

Flash Flood Warning 3, NWS Lake Charles, LA

December 13, 2001Vernon Parish, Louisiana

NWS Lake Charles, LA issued this flash flood warning at Dec 13, 2001, 3:13 PM CST for Vernon 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 the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Dec 13, 2001, 3:13 PM CST (21:13 UTC)
Expired
Dec 13, 2001, 7:15 PM CST
In force
4 hr
Issued by
NWS Lake Charles, LA
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Vernon Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 9.2 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.

Skew-T log-pSkew-T log-p diagram, Lake Charles Mun, LA at 12:00Z on 2001-12-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 47 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2001-12-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -63 square meters per square second.1939587897Sfc1 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
47 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
514 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
-63 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS54 KLCH 132117
FFWLCH
LAC115-140115-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
313 PM CST THU DEC 13 2001

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  VERNON PARISH IN WEST CENTRAL LOUISIANA

* UNTIL 715 PM CST

* AT 307 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATED   
  THAT 4 TO 6 INCHES OF RAIN HAS FALLEN ACROSS EVANS...LEESVILLE AND 
  ANACOCO AREAS DURING THE PAST 6 HOURS. AN ADDITIONAL 3 INCHES OF   
  RAINFALL IS EXPECTED IN THE WARNED AREA THROUGH 715 PM.

HEAVY RAINS FLOOD ROADS AND LOW LYING AREAS RAPIDLY...SO DO NOT DRIVE
YOUR VEHICLE WHERE WATERS OF AN UNKNOWN DEPTH COVERS THE ROAD.

CALL 337-477-5285 TO REPORT FLOODING TO THE WEATHER SERVICE.

LAT...LON 3127 9290 3093 9288 3091 9348 3117 9350
          3136 9330

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 13, 9:30 AM CSTSevere Thunderstorm WarningLCHVernon60 min
Dec 13, 11:33 AM CSTSevere Thunderstorm WarningLCHVernon57 min
Dec 13, 3:08 PM CSTSevere Thunderstorm WarningLCHVernon67 min
Dec 13, 3:25 PM CSTSpecial Marine WarningLCH65 min
Dec 13, 3:25 PM CSTSpecial Marine WarningLCH65 min
Dec 13, 4:26 PM CSTSevere Thunderstorm WarningLCHCameron49 min
Dec 13, 4:35 PM CSTSevere Thunderstorm WarningLCHAllen55 min
Dec 13, 5:29 PM CSTSpecial Marine WarningLCH61 min
Dec 13, 5:29 PM CSTSpecial Marine WarningLCH61 min

Nearby

Flash Flood Warnings in Louisiana, 2001Every flash flood warning in 2001

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.