Alert archive / Louisiana / Tornado Warnings in 1987

Tornado Warning 19, NWS Lake Charles, LA

November 16, 1987Acadia Parish, Jefferson Davis Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Nov 16, 1987, 12:17 PM CST for Acadia Parish, Jefferson Davis Parish, Louisiana. It was in force for 43 min.

The area

The counties it named.

The facts

Issued
Nov 16, 1987, 12:17 PM CST (18:17 UTC)
Expired
Nov 16, 1987, 1:00 PM CST
In force
43 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

Counties Acadia Parish, LA, Jefferson Davis Parish, LA

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, 6.3 hours before the alert went out and 59 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 12:00Z on 1987-11-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1739 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 1987-11-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 323 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
1739 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
554 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
323 m²/s²
0-3 km storm-relative helicity
366 m²/s²
Significant tornado parameter
2.4
Supercell composite
12.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KLCH 161817
TORLCH
LAC001-053-161900-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1217 PM CST MON NOV 16 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL  100 PM CST FOR PEOPLE IN THE FOLLOWING PARISHES...
 
IN SOUTHWEST LOUISIANA
          ...ACADIA...JEFFERSON DAVIS
 
AT 1215 PM CST THE JEFF DAVIS PARISH SHERIFF DEPARTMENT REPORTED A TOR
ON THE GROUND ABOUT 5 MILES NORTH OFz JENNINGS MOVING NORTH.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING.

What 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, Nov 16, 6:37 AM CST, 5 hours 40 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
632 AM CST MON NOV 16 1987

...A FLASH FLOOD WATCH IS IN EFFECT FOR SOUTHWEST AND CENTRAL
LOUISIANA TODAY...

AT 625 AM...WIDESPREAD RAIN AND THUNDERSTORMS COVERED MOST OF CENTRAL
...NORTHWEST...AND WEST LOUISIANA INTO EAST AND SOUTHEAST TEXAS.

CLUSTERS OF THUNDERSTORMS MIXED IN THE RAIN WERE INDICATED ACROSS
VERNON AND RAPIDES PARISH...WEST OF KIRBYVILLE TEXAS...AND FROM
HOUSTON ACROSS FREEPORT AND GALVESTON.

THE RAIN AND THUNDERSTORMS FROM VERNON TO RAPIDES PARISH HAVE ALREADY
PRODUCED SOME REPORTED FLOODING OF STREETS AND LOW LYING AREAS.

THESE RAINS WILL CONTINUE THROUGHOUT THE MORNING.

THE THUNDERSTORMS WERE MOVING NORTHEAST AT 40 MPH.
Special weather statement, Nov 16, 7:37 AM CST, 4 hours 40 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORT ARTHUR TX
730AM CST MON NOV 16 1987

...VERY HEAVY THUNDERSTORMS MOVING INTO JEFFERSON COUNTY...

WEATHER RADAR SHOWS AN AREA OF VERY HEAVY THUNDERSTORMS MOVING INTO
JEFFERSON COUNTY TEXAS FROM HOUSTON.  THESE STORMS EARLIER PRODUCED
SOME DAMAGING WINDS NEAR ALVIN. THE STORMS WERE MOVING NORTHEAST AT
ABOUT 35 MPH.

GUSTY WINDS AND A HEAVY DOWNPOUR SHOULD BE EXPECTED WITH THESE
STORMS.

DURING THE PAST 24 HOURS 2 TO 4 INCHES OF RAIN HAVE FALLEN ACROSS
THE METROPOLITAN AREA.  FURTHER NORTH AROUND THE LAKES AREA AMOUNTS
WERE IN THE 4 TO 6 INCH RANGE. DUE TO THE LACK OF RAIN FOR THE LAST
SEVERAL WEEKS LOCAL RIVERS AND STREAMS HAVE PLENTY OF CAPACITY..
HOWEVER LOCAL URBAN FLOODING AND PONDING PROBLEMS COULD OCCUR WITH
THE HEAVIEST STORMS.
Special weather statement, Nov 16, 8:45 AM CST, 3 hours 32 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORT ARTHUR TX
845AM CST MON NOV 16 1987

WEATHER RADARS SHOW VERY HEAVY THUNDERSTORMS OVER PARTS OF SOUTHEAST
TEXAS.  THE STORMS WERE LOCATED TO THE NORTH AND WEST OF THE
METROPOLITAN AREA.  THE STORMS COVERED MUCH OF HARDIN COUNTY AND
SOUTHERN JASPER COUNTY.  THE STORMS WERE MOVING TO THE NORTHEAST AT
35 MPH.

HEAVY RAINS AND GUSTY WINDS WILL ACCOMPANY THESE STORMS.  ADDITIONAL
STORMS WERE LkOCATED NORTH AND WEST OF HOUSTON.  THESE STORMS MAY
AFFECT OUR AREA LATER THIS MORNING.
Special weather statement, Nov 16, 9:46 AM CST, 2 hours 31 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORT ARTHUR TX
940AM CST MON NOV 16 1987

.....BEACH ROAD CLOSED BETWEEN SABINE PASS AND HIGH ISLAND...

THE TEXAS DEPARTMENT OF HIGHWAYS HAS CLOSED TEXAS 87 BETWEEN SABINE
PASS AND HIGH ISLAND.  HIGH TIDES HAVE COVERED THE ROAD.  THE NEXT
HIGH TIDE WILL BE SHORTLY BEFORE NOON.  STRONG WINDS WILL CONTINUE
TO PUSH WATER OVER THE ROAD UNTIL THE COLD FRONT MOVES THROUGH THE
AREA AND SHIFTS THE WIND TO THE NORTH LATER THIS AFTERNOON.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 15, 7:50 PM CSTSevere Thunderstorm WarningLCHCalcasieu55 min
Nov 15, 8:08 PM CSTTornado WarningLCHCalcasieu52 min
Nov 15, 8:44 PM CSTSevere Thunderstorm WarningLCHAllen46 min
Nov 15, 9:49 PM CSTTornado WarningLCHBeauregard56 min
Nov 16, 2:57 AM CSTSevere Thunderstorm WarningLCHBeauregard, Calcasieu63 min
Nov 16, 4:00 AM CSTSevere Thunderstorm WarningLCHBeauregard, Calcasieu60 min
Nov 16, 4:00 AM CSTSevere Thunderstorm WarningLCHAllen60 min
Nov 16, 7:00 AM CSTFlash Flood WarningLCHGrant, LaSalle, Rapides2 hr
Nov 16, 9:08 AM CSTFlash Flood WarningLCHGrant, LaSalle, Rapides3 hr
Nov 16, 10:34 AM CSTSevere Thunderstorm WarningLCHBeauregard, Vernon56 min
Nov 16, 10:34 AM CSTSevere Thunderstorm WarningLCHCalcasieu, Cameron56 min
Nov 16, 11:02 AM CSTSevere Thunderstorm WarningLCHAllen, Rapides58 min
Nov 16, 11:02 AM CSTSevere Thunderstorm WarningLCHJefferson Davis58 min
Nov 16, 11:38 AM CSTSevere Thunderstorm WarningLCHAcadia, Lafayette, Vermilion2 hr
Nov 16, 11:38 AM CSTSevere Thunderstorm WarningLCHEvangeline2 hr
Nov 16, 12:00 PM CSTFlash Flood WarningLCHGrant, LaSalle, Rapides4 hr
Nov 16, 12:45 PM CSTTornado WarningLCHRapides60 min

Nearby

Tornado Warnings in Louisiana, 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.