Alert archive / Louisiana / Flash Flood Warnings in 1995

Flash Flood Warning 20, NWS New Orleans, LA

April 23, 1995Avoyelles Parish, Louisiana

NWS New Orleans, LA issued this flash flood warning at Apr 23, 1995, 3:12 AM CDT for Avoyelles Parish, Louisiana. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Apr 23, 1995, 3:12 AM CDT (08:12 UTC)
Expired
Apr 23, 1995, 5:15 AM CDT
In force
2 hr
Issued by
NWS New Orleans, LA
Area
Whole counties

County Avoyelles Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 8.2 hours before the alert went out and 156 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 1995-04-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1731 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 00:00Z on 1995-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 134 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
1731 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
576 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
134 m²/s²
0-3 km storm-relative helicity
145 m²/s²
Significant tornado parameter
1.4
Supercell composite
8.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBTR 230813
FFWBTR
LAC009-231015-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BATON ROUGE LA
312 AM CDT SUN APR 23 1995
 
THE NATIONAL WEATHER SERVICE IN BATON ROUGE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  515 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN EAST CENTRAL LOUISIANA
 
   ...AVOYELLES PARISH
 
AVOYELLES PARISH SHERIFF REPORTS STREET OR ROADWAY FLOODING IN
MARKSVILLE ...HESSMER AND MANSURA.
 
 
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.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Apr 22, 9:56 PM CDT, 5 hours 16 minutes before
LAZ029-033-230400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BATON ROUGE LA
955 PM CDT SAT APR 22 1995

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 3 AM CDT SUNDAY MORNING
FOR EAST CENTRAL LOUISIANA...

AT 950 PM CDT RADAR SHOWED SHOWERS AND STRONG THUNDERSTORMS FROM
VILLE PLATTE ACROSS BUNKIE AND SIMMESPORT TO FORT POLK...ALEXANDRIA...
AND VIDALIA.  MOVEMENT WAS EAST AT 30 MPH.

THESE THUNDERSTORMS WILL HAVE STRONG AND GUSTY WIND...HEAVY RAIN WITH
FLOODING OF STREETS AND OTHER LOW LYING AREAS...DANGEROUS LIGHTNING
AND POSSIBLY SOME HAIL.

PEOPLE IN AVOYELLES AND ST LANDRY PARISHES SHOULD REMAIN ALERT AND
LISTEN TO NOAA WEATHER RADIO FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
\
Special weather statement, Apr 22, 10:50 PM CDT, 4 hours 22 minutes before
LAZ029-033-230600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BATON ROUGE LA
1050 PM CDT SAT APR 22 1995

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 3 AM CDT SUNDAY MORNING
...FLASH FLOOD WATCH IN EFFECT TONIGHT AND SUNDAY...

AT 1045 PM CDT RADAR SHOWED STRONG THUNDERSTORMS FROM EUNICE AND
OPELOUSAS EXTENDING ACROSS BUNKIE AND SIMMESPORT TO FORT POLK...
ALEXANDRIA AND VIDALIA.  MOVEMENT WAS EAST AT 30 MPH.

THESE THUNDERSTORMS WILL HAVE STRONG AND GUSTY WIND...HEAVY RAIN WITH
FLOODING OF STREETS AND OTHER LOW LYING AREAS...DANGEROUS LIGHTNING
AND POSSIBLY SOME HAIL.

PEOPLE IN AVOYELLES AND ST LANDRY PARISHES SHOULD REMAIN ALERT AND
LISTEN TO NOAA WEATHER RADIO FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Apr 22, 11:49 PM CDT, 3 hours 23 minutes before
LAZ029-033-230700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BATON ROUGE LA
1150 PM CDT SAT APR 22 1995

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 3 AM CDT SUNDAY MORNING
...FLASH FLOOD WATCH IN EFFECT TONIGHT AND SUNDAY...

AT 1145 PM CDT RADAR SHOWED STRONG THUNDERSTORMS FROM LAFAYETTE...
EUNICE AND OAKDALE EXTENDING ACROSS MORGANZA...BUNKIE AND MARKSVILLE
TO NATCHEZ AND BROOKHAVEN MISSISSIPPI.  MOVEMENT WAS EAST AT 25 MPH.

THESE THUNDERSTORMS WILL HAVE STRONG AND GUSTY WIND...HEAVY RAIN WITH
FLOODING OF STREETS AND OTHER LOW LYING AREAS...DANGEROUS LIGHTNING
AND POSSIBLY SOME HAIL AS THEY CROSS EAST CENTRAL LOUISIANA THIS
MORNING.

PEOPLE IN AVOYELLES AND ST LANDRY PARISHES SHOULD REMAIN ALERT AND
LISTEN TO NOAA WEATHER RADIO FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Apr 23, 1:24 AM CDT, 1 hour 48 minutes before
LAZ029-033-230800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BATON ROUGE LA
125 AM CDT SUN APR 23 1995

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 3 AM CDT THIS MORNING
...FLASH FLOOD WATCH IN EFFECT THIS MORNING AND TODAY...

AT 120 AM CDT RADAR SHOWED STRONG THUNDERSTORMS FROM GRAND CHENIER
EXTENDING NORTHEAST ACROSS SUNSET AND LAFAYETTE...NEW ROADS AND CLINTON
TO MCCOMB MISSISSIPPI.  MOVEMENT WAS EAST AT 25 MPH.

THESE THUNDERSTORMS WILL HAVE STRONG AND GUSTY WIND...HEAVY RAIN WITH
FLOODING OF STREETS AND OTHER LOW LYING AREAS...DANGEROUS LIGHTNING
AND POSSIBLY SOME HAIL AS THEY CROSS EAST CENTRAL LOUISIANA THIS
MORNING.

PEOPLE IN AVOYELLES AND ST LANDRY PARISHES SHOULD RE4MAIN ALERT AND
LISTEN TO NOAA WEATHER RADIO FOR LATER STATEMENTS OR POSSIBLE WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 22, 11:57 PM CDTSevere Thunderstorm WarningLIXAvoyelles63 min
Apr 23, 12:29 AM CDTSevere Thunderstorm WarningLIXPointe Coupee, West Feliciana61 min
Apr 23, 3:03 AM CDTFlash Flood WarningLIXSaint Landry117 min
Apr 23, 4:32 AM CDTSevere Thunderstorm WarningLIXAscension, Saint James, Saint John the Baptist58 min
Apr 23, 4:47 AM CDTSevere Thunderstorm WarningLIXAssumption, Lafourche, St. Mary, Terrebonne58 min
Apr 23, 4:47 AM CDTSevere Thunderstorm WarningLIXSaint Martin58 min
Apr 23, 5:03 AM CDTTornado WarningLIXAssumption, Saint Martin, St. Mary57 min
Apr 23, 5:03 AM CDTTornado WarningLIXLafourche, Terrebonne57 min
Apr 23, 5:27 AM CDTTornado WarningLIXAscension, Livingston, Saint James, Saint John the Baptist63 min
Apr 23, 5:27 AM CDTTornado WarningLIXTangipahoa63 min
Apr 23, 5:55 AM CDTSevere Thunderstorm WarningLIXJefferson, Orleans, Plaquemines, Saint Bernard65 min
Apr 23, 5:55 AM CDTSevere Thunderstorm WarningLIXSaint Tammany65 min

Nearby

Flash Flood Warnings in Louisiana, 1995Every flash flood warning in 1995

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.