Alert archive / Louisiana / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 6, NWS Lake Charles, LA

February 15, 1987Evangeline Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Feb 15, 1987, 7:40 AM CST for Evangeline Parish, Louisiana. It was in force for 50 min.

The area

The counties it named.

The facts

Issued
Feb 15, 1987, 7:40 AM CST (13:40 UTC)
Expired
Feb 15, 1987, 8:30 AM CST
In force
50 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Evangeline 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, 1.7 hours before the alert went out and 102 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 1987-02-15Temperature 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 12:00Z on 1987-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 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
699 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm 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, Feb 15, 2:48 AM CST, 4 hours 52 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
240 AM CST SUN FEB 15 1987

...A TORNADO WATCH IS IN EFFECT UNTIL 8AM CST THAT INCLUDES THE
FOLLOWING PARISHES IN SOUTHWEST LOUISIANA...VERNON...BEAUREGARD...
CALCASIEU...CAMERON...AND THE ADJOINING COASTAL WATERS OF CAMERON
PARISH...

...THE TORNADO WATCH ALSO INCLUDES THE FOLLOWING PARISHES IN CENTRAL
LOUISIANA...GRANT AND RAPIDES...

AT 227 AM...RADAR SHOWED A LARGE AREA OF RAIN MIXED WITH THUNDERSTORMS
IN EAST TEXAS FROM A HIGH ISLAND TEXAS...BEAUMONT...JASPER...SAN
AUGUSTINE LINE TO WELL WEST OF HOUSTON...LAKE LIVINGSTON...AND LUFKIN.

THUNDERSTORMS WITH VERY HEAVY RAIN WERE MIXED IN WITH THE RAIN NEAR
CONROE AND LAKE LIVINGSTON.

MOVEMENT WAS NORTHEAST AT 45 MILES AN HOUR.

IN LOUISIANA...WIDELY SCATTERED PATCHES OF LIGHT RAIN CONTINUED FROM
NEAR WINNFIELD TO THE ALEXANDRIA AREA AND IN THE JENA AREA.

THE LARGE AREA OF RAIN AND THUNDERSTOzRMS WILL CONTINUE TO SPREAD EAST
AND WILL BRING RAIN AND THUNDERSTORMS TO SOUTHWEST AND CENTRAL
LOUISIANA LATER THIS MORNING.

PERSONS THROUGHOUT SOUTHWEST AND CENTRAL LOUISIANA SHOULD MONITOR THIS
DEVELOPING WEATHER SITUATION CLOSELY.
Special weather statement, Feb 15, 3:49 AM CST, 3 hours 51 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
345 AM CST SUN FEB 15 1987

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

AT 330 AM...A LINE OF NUMEROUS THUNDERSTORMS...SOME WITH VERY HEAVY
RAIN...HAD DEVELOPED IN SOUTHEAST TEXAS FROM JUST SOUTHWEST OF LUFKIN
...TO LAKE LIVINGSTON...TO THE HOUSTON AREA...TO JUST NORTHWEST OF
FREEPORT.   THE LINE APPEARED TO BE MOVING EAST AT 30 MPH.

RADAR ALSO SHOWED A LARGE AREA OF RAIN MIXED WITH THUNDERSTORMS
IN EAST TEXAS FROM A GALVESTON...KOUNTZE...TOLEDO BEND RESERVOIR
LINE TO WELL WEST OF HOUSTON...LUFKIN...AND SAN AUGUSTINE.
STRONG THUNDERSTORMS WITH VERY HEAVY RAIN WERE MIXED IN WITH THE RAIN
BETWEEN JASPER AND LAKE LIVINGSTON.

SCATTERED PATCHES OF RAIN WERE SHOWN ALONG THE TEXAS/LOUISIANA
BORDER FROM WEST OF DEQUINCY TO SABINE PASS...IN THE COASTAL WATERS
SOUTH OF SABINE PASS...AND IN THE LAKE CHARLES AREA.

SCATTERED PATCHES OF LIGHT RAIN ALSO LINGERED BETWEEN LEESVILLE AND
WINNFIELD AND BETWEEN ALEXANDRIA AND MONROE.

MOVEMENT OF THE RAIN AND THUNDERSTORMS WAS NORTHEAST AT 45 MPH.
Special weather statement, Feb 15, 4:42 AM CST, 2 hours 58 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORT ARTHUR TX
445 AM CST SUN FEB 15 1987

A TORNADO WATCH CONTINUES FOR MUCH OF SOUTHEAST TEXAS UNTIL 8AM CST.

AT 435AM CST RADAR SHOWED A LINE OF STRONG STORMS FROM SAM RAYBURN..
WOODVILLE..SILSBEE TO HIGH ISLAND.  THE STORMS WERE MOVING INTO
BEAUMONT FROM THE WEST.  THE STORMS WERE MOVING TO THE EAST AT 30 TO
40 MILES AN HOUR.

THIS LINE OF STORMS HAS PRODUCED SOME GUSTY WINDS EARLIER THIS
MORNING.
Special weather statement, Feb 15, 4:55 AM CST, 2 hours 45 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
455 AM CST SUN FEB 15 1987

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

AT 430 AM...A LINE OF NUMEROUS THUNDERSTORMS...SOME WITH VERY HEAVY
RAIN...WAS SHOWN IN SOUTHEAST TEXAS FROM 15 MILES EAST OF LUFKIN TO
20 MILES WEST OF BEAUMONT TO JUST NORTH OF GALVESTON.  THE LINE WAS
MOVING EAST AT 35 MPH.

RADAR ALSO SHOWED A LARGE AREA OF RAIN MIXED WITH THUNDERSTORMS
FROM THE COAST BETWEEN FREEPORT TEXAS AND SABINE PASS TO NORTH OF
LUFKIN TEXAS...AND TOLEDO BEND RESERVOIR.

STRONG THUNDERSTORMS WITH VERY HEAVY RAIN WERE SHOWN IN EAST TEXAS
BETWEEN BEAUMONT AND JASPER.

SCATTERED PATCHES OF RAIN CONTINUED IN LOUISIANA FROM THE COASTAL
WATERS SOUTH OF CAMERON NORTH ACROSS MUCH OF WESTERN LOUISIANA TO NEAR
MANSFIELD AND WINNFIELD.

MOVEMENT OF THE RAIN AND THUNDERSTORMS WAS NORTHEAST AT 45 MPH.
Special weather statement, Feb 15, 6:07 AM CST, 1 hour 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORT ARTHUR TX
605 AM CST SUN FEB 15 1987

THE TORNADO WATCH WILL EXPIRE AT 630AM CST.

AT 605AM CST RADAR SHOWED VERY HEAVY THUNDERSTORMS ACROSS LAKE SABINE
AND ORANGE AND EXTENDING NORTHWARD ALONG THE SABINE RIVER.  THE
STORMS WERE MOVING EAST AT 40 MPH.

NUMEROUS STORMS CONTINUE OFFSHORE WITHIN 50 MILES OF THE COASTLINE.
A SMALL CRAFT ADVISORY WILL CONTdINUE THROUGHOUT THE DAY.

THERE HAS BEEN NO ADDITIONAL INFORMATION ON THE WIND DAMAGE IN
FANNETT TEXAS.
Special weather statement, Feb 15, 6:54 AM CST, 46 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
645 AM CST SUN FEB 15 1987

...A TORNADO WATCH IS IN EFFECT UNTIL 12 NOON TODAY FOR THE FOLLOWING
PARISHES IN SOUTHWEST LOUISIANA...ACADIA...ALLEN...BEAUREGARD...
CALCASIEU...CAMERON...EVANGELINE...JEFFERSON DAVIS...LAFAYETTE...
VERMILION...AND THE ADJOINING COASTAL WATERS OF CAMERON AND VERMILION
PARISHES.

...THE TORNADO WATCH IS NO LONGER IN EFFECT FOR VERNON PARISH IN
SOUTHWEST LOUISIANA OR FOR GRANT AND RAPIDES PARISHES IN CENTRAL
LOUISIANA...

...A SPECIAL MARINE WARNING IS IN EFFECT UNTIL 900 AM CST FOR THE
SOUTHWEST LOUISIANA COASTAL WATERS FROM SABINE PASS TO VERMILION BAY...

AT 635 AM...NUMEROUS STRONG THUNDERSTORMS...WITH VERY HEAVY RAIN...
WERE SHOWN FROM NEAR LEESVILLE TO THE LAKE CHARLES AND JENNINGS AREAS
TO THE COAST FROM SABINE PASS TO WHITE LAKE.

THE THUNDERSTORMS WILL LIKELY PRODUCE...STRONG GUSTY WINDS AND
DANGEROUS LIGHTNING AS THEY MOVE NORTHEAST AT 45 MPH.

RAIN CONTINUED TO COVER MOST OF EAST TEXAS AND THE WESTERN TWO THIRDS
OF LOUISIANA.  THE RAIN WAS SHOWN FROM A LAFAYETTE/ALEXANDRIA LINE
INTO TEXAS TO NEAR HOUSTON...LUFKIN...AND SAN AUGUSTINE.

IN THE GULF...STRONG THUNDERSTORMS WITH VERY HEAVY RAIN WERE OCCURRING
IN THE COASTAL WATERS SOUTH OF SABINE PASS...CAMERON...AND HIGH ISLAND
TEXAS.  AN ALMOST SOLID AREA OF RAIN EXTENDED FROM THE COAST TO 70
MILES OFFSHORE FROM FREEPORT TEXAS TO VERMILION BAY.
`
THUNDERSTORMS WERE MOVING NORTHEAST AT 45 MPH.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 15, 5:30 AM CSTSevere Thunderstorm WarningLCHBeauregard, Vernon60 min
Feb 15, 5:30 AM CSTSevere Thunderstorm WarningLCHCalcasieu, Cameron60 min
Feb 15, 7:10 AM CSTTornado WarningLCHCalcasieu, Cameron, Jefferson Davis50 min
Feb 15, 7:40 AM CSTSevere Thunderstorm WarningLCHAcadia, Vermilion50 min
Feb 15, 8:42 AM CSTSevere Thunderstorm WarningLCHAcadia, Evangeline, Vermilion33 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1987Every severe thunderstorm warning 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.