Alert archive / Texas / Tornado Warnings in 1987
Tornado Warning 11, NWS Lake Charles, LA
NWS Lake Charles, LA issued this tornado warning at May 31, 1987, 9:57 AM CDT for Jefferson County, Texas. It was in force for 33 min.
The area
The counties it named.
The facts
- Issued
- May 31, 1987, 9:57 AM CDT (14:57 UTC)
- Expired
- May 31, 1987, 10:30 AM CDT
- In force
- 33 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
County Jefferson 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 12:00Z, 3.0 hours before the alert went out and 96 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
- 916 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 610 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 16 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 311501
TORBPT
TXC361-245-311530-
BULLETIN-EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PORT ARTHUR TX
959 AM CDT SUN MAY 31 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING FOR PERSONS
IN THE FOLLOWING COUNTIES OF
TEXAS...
JEFFERSON AND ORANGE UNTIL 1030 AM CDT.
AT 955 AM CDT WEATHER RADAR INDICATED TORNADOS NEAR PORT ARTHUR AND
ORANGE MOVING NORTHEAST AT 20 MPH.
5
AT 956 AM CDT, THE DPS REPORTED A TORNADO NEAR THE OLD DON DRIVE IN
IN NORTH PORT ARTHUR.
PERSONS NEAR ORANGE, PORT ARTHUR AND MID-COUNTY TAKE COVER
IMMEDIATELY.
DCGWhat forecasters said that day
The local office's own words before this tornado 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, May 31, 8:41 AM CDT, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 845 AM CDT SUN MAY 31 1987 AT 825 AM...A ISOLATED STRONG THUNDERSTORMS WAS OVER CENTRAL BEAUREGARD PARISH JUST SOUTH OF DE RIDDER. MOVEMENT WAS TO THE NORTH AT 25 MILES AN HOUR. THIS THUNDERSTORM WILL MOVE INTO VERNON PARISH AND PESONS IN THE AREA OF THIS STORM SHOULD BE ALERT FOR THREATING WEATHER SUCH AS STRONG GUSTY WINDS AND VERY HEAVY RAINS WHICH MAY PRODUCE FLOODING OF STREETS AND LOW LYNING AREAS. ELSEWHERE...SCATTERED THUNDERSHOWERS AND RAINSHOWERS WERE OCCURRING OVER SOUTHEAST TEXAS AND SOUTHERN LOUISIANA FROM THE HOUSTON AND GALVESTON AREA NORTHWARD TO THE TOLEDO BEND RESERVOIR. SCATTERED RAINSHOWERS CONTINUED ALONG THE COAST AND THE COASTAL WATERS NEAR SABINE PASS TEXAS...FROM LAFAYETTE THE VERMILION BAY AND SOUTH OF ATCHAFALAYA BAY. MOVEMENT OF THESE THUNDERSHOWERS AND RAINSHOWERS WAS TO THE NORTHEAST AT 25 MILES AN HOUR.
Special weather statement, May 31, 9:36 AM CDT, 21 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 945 AM CDT SUN MAY 31 1987 AT 925 AM...SCATTERED THUNDERSTORMS WERE OCCURRING OVER SOUTHWESTERN BEAUREGARD PARISH. MOVEMENT WAS TO THE NORTHEAST AT 25 MILES AN HOUR. THESE THUNDERSTORMS WILL MOVE INTO VERNON PARISH AND PERSONS IN THE AREA OF THESE STORM SHOULD BE ALERT FOR THREATING WEATHER SUCH AS STRONG GUSTY WINDS AND VERY HEAVY RAINS WHICH MAY PRODUCE FLOODING OF STREETS AND LOW LYNING AREAS. ELSEWHERE...SCATTERED THUNDERSHOWERS AND RAINSHOWERS CONTINUED OVER SOUTHEAST TEXAS AND SOUTHERN LOUISIANA FROM GALVESTON TO THE TOLEDO BEND RESERVOIR AND EASTWARD TO NEAR ALEXANDRIA. SCATTERED RAINSHOWERS CONTINUED ALONG THE COAST AND THE COASTAL WATERS NEAR SABINE PASS TEXAS AND FROM WHITE LAKE TO ATCHAFALAYA BAY. . MOVEMENT OF THESE THUNDERSHOWERS AND RAINSHOWERS WAS TO THE NORTHEAST AT 25 MILES AN HOUR.
Nearby
Tornado Warnings in Texas, 1987Every tornado warning in 1987Tornadoes in 1987
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.