Alert archive / Texas / Flash Flood Warnings in 1989
Flash Flood Warning 40, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at Jun 29, 1989, 5:27 AM CDT for Orange County, Texas. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Jun 29, 1989, 5:27 AM CDT (10:27 UTC)
- Expired
- Jun 29, 1989, 9:30 AM CDT
- In force
- 4 hr
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
County Orange 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, 10.5 hours before the alert went out and 67 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.
- Mixed-layer CAPE
- 420 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 590 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KBPT 291027
FFWBPT
TXC361-291430-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PORT ARTHUR TX
527 AM CDT THU JUN 29 1989
THE NATIONAL WEATHER SERVICE IN PORT ARTHUR HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 930 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTHEAST TEXAS
...ORANGE
HEAVY RAINS ARE FALLING IN ORANGE COUNTY. WITH MANY CREEKS AND BAYOUS
ALREADY IN FLOODSTAGE...THERE IS NO DRAINAGE OF THE RAINFALL.
MODERATE TO HEAVY RAINS WILL CONTINUE FOR THE NEXT TWO TO FOUR HOURS.
AT 515 AM CDT ORANGE CITY POLICE REPORT FLOODING OF SOME OF THE LOW
LYING STREETS.
BE PREPARED FOR MAJOR STREET FLOODING IN ORANGE COUNTY THIS MORNING.
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.
NNNNWhat 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, Jun 28, 11:35 PM CDT, 5 hours 52 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 1140 PM CDT WED JUN 28 1989 AT 1125 PM...A BAND OF THUNDERSTORMS WITH VERY HEAVY RAIN WAS SHOWN FROM NEAR KINDER SOUTHWEST OVER LAKE CHARLES TO 20 MILES SOUTH OF SABINE PASS. THESE THUNDERSTORMS WILL LIKELY CAUSE PERIODS OF HEAVY RAIN..STRONG GUSTY WINDS AND LOCAL STREET FLOODING OVER PORTIONS OF CAMERON..EXTREME SOUTHEAST CALCASIEU..JEFF DAVIS AND ALLEN PARISHES DURING THE NEXT HOUR OR TWO AS THEY MOVE NORTHEAST AT 15 MPH. OTHERWISE..WIDESPREAD RAIN AND ISOLATED THUNDERSTORMS CONTINUED IN AN AREA 90 MILES WIDE EXTENDING FROM 40 MILES SOUTHEAST OF GALVESTON TO JUST WEST OF MONROE. MOVEMENT OVER THE NORTHERN PART OF THE AREA WAS NORTHWEST AT 15 MPH.. WHILE MOVEMENT OVER THE SOUTHERN PART OF THE AREA WAS EAST SOUTHEAST AT 15 MPH.
Special weather statement, Jun 29, 12:37 AM CDT, 4 hours 50 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 1232 AM CDT THU JUN 29 1989 ...ANOTHER TWO INCHES OF RAIN AT LAKE CHARLES PAST HOUR. STREET FLOODING LIKELY... AT 1225 AM...A LINE OF NUMEROUS THUNDERSTORMS WITH VERY HEAVY RAIN WAS SHOWN FROM FORT POLK SOUTH TO LAKE CHARLES AND CAMERON INTO THE GULF 25 MILES SOUTH OF SABINE PASS. THE THUNDERSTORMS WERE MOVING NORTH AT 20 MPH. WIDESPREAD RAIN WITH SCATTERED THUNDERSTORMS MIXED IN THE RAIN COVERED THE WEST HALF OF LOUISIANA FROM MANSFIELD AND MONROE SOUTH ACROSS ALEXANDRIA AND LAKE CHARLES INTO THE GULF. HEAVY RAIN WILL CAUSE ADDITIONAL FLOODING IN ALLEN...JEFF DAVIS... CAMERON...AND A FLASH FLOOD W%ARNING IS BEING ISSUED FOR CALCASIEU PARISH.
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 6:13 AM CDT | Flash Flood Warning | LCH | Jefferson | 3 hr |
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.