Alert archive / Texas / Flash Flood Warnings in 1992

Flash Flood Warning 2, NWS Lake Charles, LA

March 4, 1992Nacogdoches County, Texas

NWS Lake Charles, LA issued this flash flood warning at Mar 4, 1992, 1:24 PM CST for Nacogdoches County, Texas. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Mar 4, 1992, 1:24 PM CST (19:24 UTC)
Expired
Mar 4, 1992, 3:30 PM CST
In force
2 hr
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Nacogdoches County, TX

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 12:00Z, 7.4 hours before the alert went out and 82 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, Longview/Gregg, TX at 12:00Z on 1992-03-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 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, Longview/Gregg, TX at 12:00Z on 1992-03-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
4 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
561 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
19 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 KBPT 041924
FFWBPT
TXC347-042130-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PORT ARTHUR TX
124 PM CST WED MAR 4 1992
 
THE NATIONAL WEATHER SERVICE IN PORT ARTHUR HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  330 PM CST
FOR PERSONS IN THE FOLLOWING COUNTIES
 
IN NORTHEAST TEXAS
 
   ...NACOGDOCHES COUNTY
 
AT 120 PM CST NATIONAL WEATHER SERVICE RADAR INDICATED A LARGE AREA OF
SHOWERS AND THUNDERSTORMS OVER MUCH OF EAST TEXAS EXTENDING FROM THE
LAKES AREA TO THE HOUSTON AREA. THE STORMS ARE MOVING TO THE NORTHEAST
AT 35 MPH...MEANING SEVERAL STRONG STORMS WILL REPEATEDLY MOVE OVER
THE SAME AREAS.
 
SINCE THIS MORNING...NACOGDOCHES HAS RECEIVED THREE AND THREE-QUARTERS
INCHES OF RAIN.  THE NACOGDOCHES SHERIFF OFFICE HAS REPORTED HIGHWAYS
302...535...525...AND FM 2863 HAD WATER OVER THEM IN PLACES.
 
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IoN 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.
 
NNNN

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, Mar 4, 12:40 PM CST, 44 minutes before
LAZ005>009-011>014-MSZ010-TXZ028-032-033-045>049-041940-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1240 PM CST WED MAR 4 1992

...A TORNADO WATCH IS IN EFFECT FOR PORTIONS OF WESTERN AND
   SOUTHWESTERN LOUISIANA UNTIL 5 PM..

AT 1230 A SEVERE THUNDERSTORM WAS MOVING INTO WESTERN HARDIN COUNTY
IN SOUTHEAST TEXAS. THIS STORM PRODUCED A TORNADO AS IT PASSED THROUGH
LIBERTY COUNTY SHORTLY AFTER NOON. THIS STORM WAS MOVING EAST AT  30
MILES AN HOUR.

THIS STORM WAS PART OF A LARGE AREA OF SHOWERS AND THUNDERSTORMS ACROSS
EAST TEXAS THAT EXTENDED WEST OF THE TEXAS..LOUISIANA BORDER FROM TOLEDO
BEND TO SABINE PASS.

SHOWERS WERE ALSO OVER THE MARSHES >AND COASTAL WATERS FROM PECAN ISLAND
TO VERMILION BAY.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 4, 12:25 PM CSTSevere Thunderstorm WarningLCHHardin65 min
Mar 4, 12:34 PM CSTFlash Flood WarningLCHAngelina, Nacogdoches116 min
Mar 4, 1:07 PM CSTSevere Thunderstorm WarningLCHJasper68 min
Mar 4, 3:27 PM CSTFlash Flood WarningLCHNacogdoches2 hr

Nearby

Flash Flood Warnings in Texas, 1992Every flash flood warning in 1992

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.