Alert archive / Louisiana / Flash Flood Warnings in 1998

Flash Flood Warning 13, NWS Lake Charles, LA

January 6, 19984 parishes in Louisiana

NWS Lake Charles, LA issued this flash flood warning at Jan 6, 1998, 3:00 PM CST for 4 parishes in 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
Jan 6, 1998, 3:00 PM CST (21:00 UTC)
Expired
Jan 6, 1998, 6:00 PM CST
In force
3 hr
Issued by
NWS Lake Charles, LA
Area
Whole counties

Counties Allen Parish, LA, Beauregard Parish, LA, Rapides Parish, LA, Vernon Parish, LA

The radar

The Ft Polk radar (KPOE), 28 km from the middle of the area, began a volume at 21:00 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 12:00Z, 9.0 hours before the alert went out and 90 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 1998-01-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 1998-01-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 208 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
903 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
208 m²/s²
0-3 km storm-relative helicity
264 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLCH 062102 RRA
FFWLCH
LAC001-003-009-011-039-053-055-079-097-113-115-TXC199-241-351-
457-070000-

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

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES LA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 600 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN SOUTHWESTERN LOUISIANA

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

IN EAST CENTRAL LOUISIANA

   ...AVOYELLES PARISH

IN SOUTHEASTERN TEXAS

   ...HARDIN COUNTY
   ...JASPER COUNTY
   ...NEWTON COUNTY
   ...TYLER COUNTY

IN CENTRAL LOUISIANA

   ...RAPIDES PARISH

IN SOUTH CENTRAL LOUISIANA

   ...ST. LANDRY PARISH

NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO SHOW NUMEROUS
SHOWERS AND THUNDERSTORMS ACROSS THE AREA. IT IS EXPECTED THAT MANY
SMALL ROADS AND STREAMS WILL BECOME FLOODED ACROSS THE AREA IN THE
NEXT COUPLE OF HOURS AS ADDITIONAL RAIN FALLS ACROSS THE AREA.

WIDESPREAD RAINFALL AMOUNTS OF 2 INCHES HAVE OCCURRED TODAY WITH
ISOLATED AMOUNTS OF 4 INCHES. IS IS EXPECTED THAT AN ADDITONAL
1 TO 3 INCHES WILL FALL ACROSS THE WARNED AREA BEFORE 6 PM.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY. REMEMBER...MOST FLOOD RELATED DEATHS OCCUR IN
AUTOMOBILES.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 6, 6:44 AM CSTSevere Thunderstorm WarningLCHVernon61 min
Jan 6, 10:17 AM CSTFlash Flood WarningLCHEvangeline118 min
Jan 6, 12:35 PM CSTFlash Flood WarningLCHAvoyelles, Evangeline, Rapides, Saint Landry2 hr
Jan 6, 12:35 PM CSTFlash Flood WarningLCHBeauregard, Vernon2 hr
Jan 6, 12:35 PM CSTFlash Flood WarningLCHAllen2 hr
Jan 6, 3:00 PM CSTFlash Flood WarningLCHAcadia, Avoyelles, Evangeline, Lafayette, Saint Landry3 hr
Jan 6, 3:00 PM CSTFlash Flood WarningLCHJefferson Davis, Vermilion3 hr
Jan 6, 3:40 PM CSTFlash Flood WarningLCHCalcasieu2 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; radar from the NEXRAD Level II archive.