Alert archive / Texas / Flash Flood Warnings in 1989

Flash Flood Warning 2, NWS Lake Charles, LA

March 29, 1989Nacogdoches County, Texas

NWS Lake Charles, LA issued this flash flood warning at Mar 29, 1989, 3:15 AM CST for Nacogdoches County, Texas. It was in force for 105 min.

The area

The counties it named.

The facts

Issued
Mar 29, 1989, 3:15 AM CST (09:15 UTC)
Expired
Mar 29, 1989, 5:00 AM CST
In force
105 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Nacogdoches County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 00:00Z, 9.3 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 00:00Z on 1989-03-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Longview/Gregg, TX at 00:00Z on 1989-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 405 square meters per square second.193958Sfc1 km3 km6 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
596 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
405 m²/s²
0-3 km storm-relative helicity
567 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 290916
FFWBPT
TXC347-291130-

BULLETIN-IMMEDIATE BROADCAST REQUESTED

FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PORT ARTHUR TX
315 AM CST WED MAR 29 1989

THE NATIONAL WEATHER SERVICE IN PORT ARTHUR TEXAS HAS ISSUED A
FLOOD/FLASH FLOOD WARNING FOR PERSONS IN NACOGDOCHES COUNTY UNTIL 5 
AM CST THIS WEDNESDAY MORNING.

THE LUFKIN DEPARTMENT OF PUBLIC SAFETY REPORTED BOTH BONITA AND 
LANANA CREEKS OUT OF THEIR BANKS IN THE CITY OF NACOGDOCHES.
ALSO...FARM ROAD 204...HIGHWAY 7... AND HIGHWAY 21 EAST IN
NACOGDOCHES COUNTY IS REPORTED FLOODED.

ALTHOUGH RESIDENTIAL FLOODING IS NOT OCCURRING AT THIS TIME...PERSONS
IN NACOGDOCHES SHOULD BE PREPARED TO TAKE QUICK ACTION BY MOVING TO
HIGHER GROUND OR PROTECTING VALUABLE ARTICLES.

MOTORISTS ARE URGED NOT TO TRAVEL UNTIL THE FLOOD WATERS HAVE
SUBSIDED.

STAY TUNED TO YOUR NOAA WEATHER RADIO FOR FURTHER STATEMENTS OR
POSSIBLE WARNINGS.

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 29, 2:41 AM CST, 34 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
240 AM CST WED MAR 29 1989

...A TORNADO WATCH IS IN EFFECT FOR ALL OF SOUTHWEST AND CENTRAL LOUISIANA
UNTIL 8AM CST...

AT 2225 AM CST...A LINE OF NUMEROUS THUNDERSTORMS WITH VERY HEAVY RAIN
WAS SHOWN IN SOUTHEAST TEXAS FROM RAYBURN LAKE TO KOUNTZE TO JUST WEST
OF BEAUMONT TO THE COAST IN THE GALVESTON AREA.  THE LINE WAS MOVING EAST
AT 25 MPH.

SCATTERED THUNDERSTORMS WITH VERY HEAVY RAIN WERE OCCURRING ALONG THE
TEXAS/LOUISIANA BORDER FROM SABINE PASS TO TOLEDO BEND RESERVOIR.

A LARGE ALMOST SOLID MASS OF RAIN MIXED WITH SCATTERED THUNDERSTORMS
CONTINUED OVER EAST AND SOUTHEAST TEXAS AND EXTENDED INTO THE EXTREME
WESTERN PORTIONS OF LOUISIANA FROM CAMERON TO MANY AND MANSFIELD.

LARGE PATCHES OF RAIN MIXED WITH SCATTERED THUNDERSTORMS EXTENDED INTO
THE COASTAL WATERS FROM FREEPORT TEXAS TO SABINE PASS.

THE RAIN AND THUNDERSTORMS OCCURRING OVER EAST AND SOUTHEAST TEXAS WILL
SPREAD OVER MOST OF SOUTHWEST AND CENTRAL LOUISIANA THIS MORNING.
PERIODS OF VERY HEAVY RAIN AND STRONG GUSTY WINDS CAN BE EXPECTED.
Special weather statement, Mar 29, 2:45 AM CST, 30 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
240 AM CST WED MAR 29 1989

...A TORNADO WATCH IS IN EFFECT FOR ALL OF SOUTHWEST AND CENTRAL LOUISIANA
UNTIL 8AM CST...

AT 225 AM CST...A LINE OF NUMEROUS THUNDERSTORMS WITH VERY HEAVY RAIN
WAS SHOWN IN SOUTHEAST TEXAS FROM RAYBURN LAKE TO KOUNTZE TO JUST WEST
OF BEAUMONT TO THE COAST IN THE GALVESTON AREA.  THE LINE WAS MOVING EAST
AT 25 MPH.

SCATTERED THUNDERSTORMS WITH VERY HEAVY RAIN WERE OCCURRING ALONG THE
TEXAS/LOUISIANA BORDER FROM SABINE PASS TO TOLEDO BEND RESERVOIR.

A LARGE ALMOST SOLID MASS OF RAIN MIXED WITH SCATTERED THUNDERSTORMS
CONTINUED OVER EAST AND SOUTHEAST TEXAS AND EXTENDED INTO THE EXTREME
WESTERN PORTIONS OF LOUISIANA FROM CAMERON TO MANY AND MANSFIELD.

LARGE PATCHES OF RAIN MIXED WITH SCATTERED THUNDERSTORMS EXTENDED INTO
THE COASTAL WATERS FROM FREEPORT TEXAS TO SABINE PASS.

THE RAIN AND THUNDERSTORMS OCCURRING OVER EAST AND SOUTHEAST TEXAS WILL
SPREAD OVER MOST OF SOUTHWEST AND CENTRAL LOUISIANA THIS MORNING.
PERIODS OF VERY HEAVY RAIN AND STRONG GUSTY WINDS CAN BE EXPECTED.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 29, 12:15 AM CSTSevere Thunderstorm WarningLCHHardin, Jasper30 min
Mar 29, 1:50 AM CSTTornado WarningLCHNacogdoches25 min
Mar 29, 2:30 AM CSTTornado WarningLCHAngelina15 min

Nearby

Flash Flood Warnings in Texas, 1989Every flash flood warning in 1989

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.