Alert archive / Texas / Flash Flood Warnings in 1990

Flash Flood Warning 1, NWS Lake Charles, LA

March 28, 1990Jasper County, Texas

NWS Lake Charles, LA issued this flash flood warning at Mar 28, 1990, 10:52 PM CST for Jasper County, Texas. It was in force for 53 min.

The area

The counties it named.

The facts

Issued
Mar 28, 1990, 10:52 PM CST (04:52 UTC)
Expired
Mar 28, 1990, 11:45 PM CST
In force
53 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Jasper 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

Lake Charles Mun, LA (KLCH), launched 00:00Z, 4.9 hours before the alert went out and 105 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 1990-03-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 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 1990-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
1066 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
57 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 290444
FFWBPT
TXC241-290600-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PORT ARTHUR TX
1052 PM CST WED MAR 28 1990
 
THE NATIONAL WEATHER SERVICE IN PORT ARTHUR HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1145 PM CST
FOR PERSONS IN THE FOLLOWING COUNTIES
 
IN SOUTHEAST TEXAS
 
   ...NORTHERN JASPER COUNTY
 
THE NATIONAL WEATHER SERIVCE HAS ISSUED A FLASH FLOOD WARNING FOR THE
CITY OF JASPER IN JASPER COUNTY TEXAS UNTIL MIDNIGHT.
 
HEAVY RAIN HAS FALLEN IN THE CITY CAUSING WIDESPREAD STREET FLOODING.
 
PRESENT INDICATIONS ARE THAT RAIN WILL CONTINUE FOR ANOTHER HOUR OR
TWO AND THE FLOODING WILL GET WORST.
 
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT.  IT'S
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS.  CAMPERS SHOULD
AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.
 
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 28, 5:26 PM CST, 5 hours 26 minutes before
TXZ033-290030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORT ARTHUR TX
526 PM CST WED MAR 28 1990

....STRONG THUNDERSTORMS CONTINUE IN THE EAST TEXAS LAKES AREA...

AT 530PM A LINE OF STRONG THUNDERSTORMS WAS LOCATED BETWEEN LAKE SAM
RAYBURN AND LAKE LIVINGSTON TO NEAR COLLEGE STATION.  THESE STORMS
WERE MOVING NORTHEAST AT 30 MPH.

NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE STORMS HOWEVER THEY ARE
CAPABLE OF VERY HEAVY RAIN AND GUSTY WINDS.

MOTORISTS SHOULD BE CAREFUL AT LOW WATER CROSSINGS.

NNNN
Special weather statement, Mar 28, 8:49 PM CST, 2 hours 3 minutes before
TXZ033-290345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORT ARTHUR TX
855 PM CST WED MAR 28 1990

AT 855PM CST A BAND OF STRONG THUNDERSTORMS WAS LOCATED ACROSS EAST
TEXAS FROM NEAR LAKE LIVINGSTON TO WOODVILLE TO JUST WEST OF NEWTON
TEXAS. THE STORMS WERE MOVING EAST AT 20 MPH WHILE THE ENTIRE BAND WAS
DRIFTING SLOWLY SOUTH. THE HEAVIEST RAINS WERE IN TYLER COUNTY TEXAS.

THUNDERSTORMS HAVE PERSISTED ACROSS THIS GENERAL AREA FOR SEVERAL
HOURS AND MOST LOCATIONS HAVE RECEIVED CONSIDERABLE RAIN, POSSIBLY AS
HIGH AS THREE INCHES IN SPOTS.  NO REPORTS OF FLOODING HAVE BEEN
RECEIVED, HOWEVER MOTORISTS SHOULD USE CAUTION TONIGHT.

THERE HAS BEEN A GRADUAL DECREASE IN THE STORMS AND THE RAINS HAVE
ENDED WEST OF COLLEGE STATION.
DJK

NNNN
Special weather statement, Mar 28, 10:51 PM CST, 1 minute before
LAZ007-008-011-012-280540-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1045 PM CST WED MAR 28 1990

AT 1025 PM...THUNDERSTORMS...WITH VERY HEAVY RAIN...WERE OCCURRING
FROM THE LEESVILLE...FORT POLK AND DE RIDDER AREAS INTO EAST TEXAS TO
THE NEAR WOODVILLE AND LAKE LIVINGSTON.  THE STRONGEST THUNDERSTORM WAS
LOCATED JUST SOUTHWEST OF JASPER TEXAS.  MOVEMENT WAS EAST AT 30 MPH.

FLOODING OF LOW LYING AREAS AND ROADS MAY BE EXPECTED AS THESE
THUNDERSTORMS MOVE ACROSS VERNON PARISH AND NORTHERN BEAUREGARD PARISH
DURING THE NEXT TWO HOURS.

RAIN CONTINUED FROM THE ALEXANDRIA...BATON ROUGE AND LAFAYETTE AREAS TO
BETWEEN MANSFIELD AND LAKE CHARLES INTO EAST TEXAS TO NEAR LUFKIN AND
LAKE LIVINGSTON.

SCATTERED SHOWERS CONTINUED ALONG THE COAST AND IN THE COASTAL WATERS
FROM SABINE PASS TEXAS TO MORGAN CITY.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 11:25 PM CSTFlash Flood WarningLCHJasper, Newton110 min

Nearby

Flash Flood Warnings in Texas, 1990Every flash flood warning in 1990

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.