Alert archive / Louisiana / Flash Flood Warnings in 1994

Flash Flood Warning 21, NWS Shreveport, LA

October 17, 19945 parishes in Louisiana; Panola County, Shelby County, Texas

NWS Shreveport, LA issued this flash flood warning at Oct 17, 1994, 12:35 AM CDT for 5 parishes in Louisiana; Panola County, Shelby County, Texas. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Oct 17, 1994, 12:35 AM CDT (05:35 UTC)
Expired
Oct 17, 1994, 7:30 AM CDT
In force
7 hr
Issued by
NWS Shreveport, LA
Area
Whole counties

Counties Caddo Parish, LA, De Soto Parish, LA, Natchitoches Parish, LA, Red River Parish, LA, Sabine Parish, LA, Panola County, TX, Shelby County, TX

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 5.6 hours before the alert went out and 214 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 1994-10-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 17 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 00:00Z on 1994-10-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 149 square meters per square second.193958Sfc1 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
17 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
727 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
149 m²/s²
0-3 km storm-relative helicity
165 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSHV 170536
FFWSHV
LAC013-015-017-031-069-081-085-TXC365-401-419-171230-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
1235 AM CDT MON OCT 17 1994
 
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  730 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST LOUISIANA
 
   ...BIENVILLE PARISH...SOUTHERN BOSSIER PARISH
   ...SOUTHERN CADDO PARISH...DESOTO PARISH...NATCHITOCHES PARISH
   ...RED RIVER PARISH...SABINE PARISH
 
 
IN NORTHEAST TEXAS
 
   ...PANOLA COUNTY...RUSK COUNTY...SHELBY COUNTY
 
MODERATE TO HEAVY RAINS CONTINUED TO FALL ACROSS PARTS OF EAST TEXAS
AND NORTH LOUISIANA. LOW AREA AND POOR DRAINAGE AREA FLOODING HAD
BEEN REPORTED IN THE WARNED AREA WITH SOME SMALL STREAMS AND BAYOUS
GETTING OUT OF THEIR BANKS. WATER WAS OVER THE ROADWAYS ON SEVERAL
SECONDARY ROADS IN THE WARNED AREA. DURING THE PAST 24 HOURS...
RAINFALL TOTALS OF FOUR TO EIGHT INCHES HAVE BEEN REPORTED IN THE
WARNED AREAS AND ADDITIONAL HEAVY RAINS OF THREE TO FIVE INCHES
ARE EXPECTED THROUGH THE REMAINDER OF THE NIGHTTIME HOURS.
 
AT 1225 AM CDT THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT
SHOWED A LARGE AREA OF RAIN...SHOWERS AND THUNNDERSTORMS THAT
COVERED SOUTHEAST OKLAHOMA...SOUTHERN ARKANSAS...EAST TEXAS...
NORTH AND CENTRAL LOUISIANA. WITHIN THIS LARGE AREA A 75 MILE
WIDE AREA OF MODERATE TO HEAVY RAINS EXTENDED FROM NEAR COLUMBIA
LOUISIANA ACROSS MANSFIELD LOUISIANA TO NEAR JACKSONVILLE TEXAS.
OTHER MODERATE TO HEAVY RAINS WERE NOTED BETWEEN OAK GROVE AND
BASTROP LOUISIANA AS WELL AS IN SOUTHHEAST TEXAS.
 
MOVEMENT OF THE PRECIPITATION WAS TO THE NORTHEAST NEAR 25 MILES
AN HOUR...HOWEVER RAINS CONTINUED TO TRAIN OVER THE SAME GENERAL
AREAS. THIS WILL ONLY AGGREVATE THE SITUATION AS THE GROUND IS
ALREADY SOAKED.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 17, 12:35 AM CDTFlash Flood WarningSHVBienville, Bossier7 hr
Oct 17, 12:50 AM CDTFlash Flood WarningSHVCaldwell, Franklin, Jackson, Ouachita, Richland, Winn7 hr
Oct 17, 12:50 AM CDTFlash Flood WarningSHVMorehouse7 hr
Oct 17, 12:35 AM CDTFlash Flood WarningSHVRusk7 hr

Nearby

Flash Flood Warnings in Louisiana, 1994Flash Flood Warnings in Texas, 1994Every flash flood warning in 1994

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.