Alert archive / Louisiana / Flash Flood Warnings in 1998

Flash Flood Warning 21, NWS Lake Charles, LA

January 6, 19985 parishes in Louisiana

NWS Lake Charles, LA issued this flash flood warning at Jan 6, 1998, 10:00 PM CST for 5 parishes in 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 counties it named.

The facts

Issued
Jan 6, 1998, 10:00 PM CST (04:00 UTC)
Expired
Jan 7, 1998, 2:00 AM CST
In force
4 hr
Issued by
NWS Lake Charles, LA
Area
Whole counties

Counties Allen Parish, LA, Avoyelles Parish, LA, Evangeline Parish, LA, Rapides Parish, LA, Vernon Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 4.0 hours before the alert went out and 109 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 00:00Z on 1998-01-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 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 00:00Z on 1998-01-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 296 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
496 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
296 m²/s²
0-3 km storm-relative helicity
459 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 
TTAA00 KLCH 070404
FFWLCH
LAC001-003-009-011-019-023-039-045-053-055-079-097-099-101-113-115-
070800-

BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1000 PM CST TUE JAN 6 1998

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES LA HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL 200 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN SOUTHWESTERN LOUISIANA

   ...ACADIA PARISH
   ...ALLEN PARISH
   ...BEAUREGARD PARISH
   ...CALCASIEU PARISH
   ...CAMERON PARISH
   ...EVANGELINE PARISH
   ...JEFFERSON DAVIS PARISH
   ...LAFAYETTE PARISH
   ...VERMILION PARISH
   ...VERNON PARISH

IN EAST CENTRAL LOUISIANA

   ...AVOYELLES PARISH

IN CENTRAL LOUISIANA

   ...RAPIDES PARISH

IN SOUTH CENTRAL LOUISIANA

   ...IBERIA PARISH
   ...UPPER ST. MARTIN
   ...LOWER ST. MARTIN
   ...ST. LANDRY PARISH
   ...ST. MARY PARISH

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A FLOOD
WARNNING FOR A GREAT EXTENT OF THE AREA. NUMEROUS REPORTS OF STREET
FLOODING...SAND BAGGING AND STALLED CARS CONTINUE TO COME INTO THE
THE WEATHER OFFICE FROM AROUND THE AREA. NATIONAL WEATHER SERVICE
DOPPLER RADAR CONTINUES TO SHOW SHOWERS AND THUNDERSTORMS DEVELOPING
OVER THE AREA. ANY ADDITIONAL RAINFALL WILL CAUSE FLOODING OF STREETS
AND OTHER LOW-LYING AREAS.

THE DANGERS OF FLOODS. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY.
DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
IT IS VERY DIFFICULT AT NIGHT TO TELL HOW MUCH WATER IS ON ROADS.
MOTORISTS SHOULD NOT DRIVE THROUGH WATER OF UNKNOWN DEPTH.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 6, 6:00 PM CSTFlash Flood WarningLCHCalcasieu, Cameron, Jefferson Davis, Vermilion4 hr
Jan 6, 6:00 PM CSTFlash Flood WarningLCHAcadia, Allen, Avoyelles, Evangeline, Rapides, Saint Landry4 hr
Jan 6, 6:00 PM CSTFlash Flood WarningLCHBeauregard, Vernon4 hr
Jan 6, 6:00 PM CSTFlash Flood WarningLCHLafayette4 hr
Jan 6, 6:55 PM CSTFlash Flood WarningLCHIberia, Saint Martin, St. Mary3 hr
Jan 6, 10:00 PM CSTFlash Flood WarningLCHBeauregard, Calcasieu, Cameron, Jefferson Davis4 hr
Jan 6, 10:00 PM CSTFlash Flood WarningLCHAcadia, Iberia, Lafayette, Vermilion4 hr
Jan 6, 10:00 PM CSTFlash Flood WarningLCHSaint Landry, Saint Martin4 hr
Jan 6, 10:00 PM CSTFlash Flood WarningLCHSt. Mary4 hr

Nearby

Flash Flood Warnings in Louisiana, 1998Every flash flood warning in 1998

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.