Alert archive / Louisiana / Flash Flood Warnings in 2002

Flash Flood Warning 3, NWS Lake Charles, LA

July 25, 2002Allen Parish, Rapides Parish, Louisiana

NWS Lake Charles, LA issued this flash flood warning at Jul 25, 2002, 8:21 AM CDT for Allen Parish, Rapides Parish, Louisiana. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 25, 2002, 8:21 AM CDT (13:21 UTC)
Expired
Jul 25, 2002, 11:15 AM CDT
In force
3 hr
Issued by
NWS Lake Charles, LA
Area
Whole counties

Counties Allen Parish, LA, Rapides Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 1.4 hours before the alert went out and 103 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 2002-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2855 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 2002-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -38 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
2855 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
653 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-38 m²/s²
0-3 km storm-relative helicity
28 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 251321
FFWLCH
LAC003-079-251615-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
820 AM CDT THU JUL 25 2002

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  RAPIDES PARISH IN CENTRAL LOUISIANA
  ALLEN PARISH IN SOUTHWEST LOUISIANA

* UNTIL 1115 AM CDT

* AT 815 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATED   
  THAT 3 TO 4 INCHES OF RAIN HAS FALLEN ACROSS NORTHERN ALLEN AND    
  WESTERN RAPIDES  PARISH SINCE 7 AM. AN ADDITIONAL TWO TO THREE     
  INCHES RAINFALL IS EXPECTED IN THE WARNED AREA THROUGH 1115 AM.

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.

$$

ERICKSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 8:16 PM CDTSevere Thunderstorm WarningLCHCalcasieu59 min
Jul 24, 8:17 PM CDTSevere Thunderstorm WarningLCHBeauregard43 min
Jul 24, 10:16 PM CDTSevere Thunderstorm WarningLCHBeauregard59 min
Jul 24, 10:31 PM CDTSevere Thunderstorm WarningLCHCalcasieu59 min

Nearby

Flash Flood Warnings in Louisiana, 2002Every flash flood warning in 2002

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.