Alert archive / Texas / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 385, NWS Fort Worth, TX

November 15, 1987Lamar County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Nov 15, 1987, 1:23 PM CST for Lamar County, Texas. It was in force for 37 min.

The area

The counties it named.

The facts

Issued
Nov 15, 1987, 1:23 PM CST (19:23 UTC)
Expired
Nov 15, 1987, 2:00 PM CST
In force
37 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Lamar 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

Longview/Gregg, TX (KGGG), launched 12:00Z, 7.4 hours before the alert went out and 172 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, Longview/Gregg, TX at 12:00Z on 1987-11-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 161 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, Longview/Gregg, TX at 12:00Z on 1987-11-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 313 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
161 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
608 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
313 m²/s²
0-3 km storm-relative helicity
362 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

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, Nov 15, 10:43 AM CST, 2 hours 40 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1043 AM CST SUN NOV 15 1987

...TORNADO WATCH IN EFFECT UNTIL 3 PM FOR NORTH CENTRAL TEXAS AND
SOUTHERN OKLAHOMA...

A TORNADO WATCH FOR NORTH CENTRAL TEXAS AND SOUTHERN OKLAHOMA REMAINS
IN EFFECT UNTIL 3 PM THIS AFTERNOON.  THE AREA IS ALONG AND 70 MILES
EAST AND WEST OF LINE FROM 50 MILES SOUTH OF DALLAS TEXAS TO 55 WEST
OF MCALISTER OKLAHOMA.  THE WATCH AREA INCLUDES THE DALLAS/FORT WORTH
METROPLEX...THE SHERMAN/PARIS AREA...DURANT AND ARDMORE OKLAHOMA.

A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR TORNADOES
AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.

AT 1040 AM...NATIONAL WEATHER SERVICE RADARS INDICATED A LINE OF
THUNDERSTORMS EXTENDING FROM THE RED RIVER NEAR SHERMAN TO THE DALLAS/
FORT WORTH METROPLEX AND SOUTHWEST TO SAN SABA.  THE STRONGER STORMS
WERE LOCATED NEAR SHERMAN...IN NORTH DALLAS COUNTY AND NEAR
WAXAHACHIE.  MOVEMENT WAS TO THE SOUTHEAST AT ABOUT 25 MILES AN
HOUR.

THESE STORMS HAVE BEEN PRODUCING HEAVY RAIN...STRONG GUSTY WINDS...
DANGEROUS LIGHTNING AND SMALL HAIL.  THE WEATHER SERVICE HAS RECEIVED
REPORTS OF MINOR FLOODING OF STREETS AND LOW-LYING AREAS DURING THE
PAST HOUR IN TARRANT COUNTY.

IF IN THE VICINITY OF THE STORMS REMAIN INDOORS OR SEEK SHELTER IN A
STURDY BUILDING...PREFERABLY IN AN INTERIOR ROOM ON THE LOWER FLOOR.
MOTORIST SHOULD REMAIN ALERT TO HEAVY RAINS WHICH COULD FLOOD ROADS
AND DETERIORATE DRIVING CONDITIONS RAPIDLY.

BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN TO NOAA
WEATHER RADIO...LOCAL RADIO OR LOCAL TELEVISION FOR FURTHER STATEMENTS
OR POSSIBLE WARNINGS.
Special weather statement, Nov 15, 10:45 AM CST, 2 hours 38 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
1035 AM CST SUN NOV 15 1987

...TORNADO WATCH IN EFFECT UNTIL 300 PM CST FOR PORTIONS OF NORTH
CENTRAL TEXAS...INCLUDES BOSQUE AND HILL COUNTIES.

AT 1030 AM CST A LINE OF HEAVY TO VERY HEAVY THUNDERSTORMS WAS FROM
GOLDTHWAITE...TO HICO...TO SOUTHWEST OF FT WORTH. THIS LINE IS NOW
ENTERING THE NORTHWEST CORNER OF BOSQUE COUNTY. PEA SIZE HAIL WAS
REPORTED AT STEPHENVILLE AS THIS LINE PASSED OVER.

OTHER RAIN AND THUNDERSHOWERS ARE NOW DEVELOPING IN BOSQUE AND HILL
COUNTIES IN ADVANCE OF THIS LINE. THE LINE OF THUNDERSTORMS WAS MOVING
EAST AT 20 MILES AN HOUR...WITH INDIVIDUAL THUNDERSTORMS MOVING
NORTHEAST AT 25 MILES AN HOUR.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL TV OR RADIO FOR FURTHER
STATEMENTS...AND BE PREPARED TO TAKE SAFETY MEASUREMENTS IF CONDITIONS
WARRANT.
Special weather statement, Nov 15, 11:19 AM CST, 2 hours 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1120 AM CST SUN NOV 15 1987

...TORNADO WATCH IN EFFECT UNTIL 3 PM FOR NORTH CENTRAL TEXAS AND
SOUTHERN OKLAHOMA...

THE LINE OF THUNDERSTORMS STRETCHING FROM SOUTHERN OKLAHOMA INTO NORTH
CENTRAL TEXAS HAS MOVED FAR ENOUGH EAST THAT A PORTION OF THE TORNADO
WATCH HAS BEEN CANCELLED.  COUNTIES IN NORTH TEXAS NO LONGER INCLUDED
IN THE WATCH AREA ARE CLAY...JACK...MONTAGUE...WISE...ERATH AND PALO
PINTO.  COUNTIES IN SOUTHERN OKLAHOMA NO LONGER IN THE WATCH AREA ARE
CARTER AND LOVE COUNTIES.

THE PORTION OF THE WATCH STILL IN EFFECT UNTIL 3 PM IS EAST OF LINE
FROM 30 MILES NORTH OF ARDMORE TO ARDMORE TO FORT WORTH TO 20 MILES
EAST OF STEPHENVILLE.

AT 1115 AM...NATIONAL WEATHER SERVICE RADARS SHOWED THE LINE OF
THUNDERSTORMS STRETCHING FROM SOUTHERN OKLAHOMA NEAR DURANT TO DALLAS
AND SOUTH TO WEST OF WACO.  THE STRONGER STORMS WERE LOCATED FROM
DALLAS NORTH TO DURANT OKLAHOMA.

THESE STORMS HAVE BEEN PRODUCING HEAVY RAIN...STRONG GUSTY WINDS...
DANGEROUS LIGHTNING AND SMALL HAIL.  IF IN THE VICINITY OF THE
STORMS REMAIN INDOORS OR SEEK SHELTER IN A STURDY BUILDING...
PREFERABLY IN AN INTERIOR ROOM ON THE LOWER FLOOR.  MOTORIST SHOULD
REMAIN ALERT TO HEAVY RAINS WHICH COULD FLOOD ROADS AND DETERIORATE
DRIVING CONDITIONS RAPIDLY.

BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN TO NOAA
WEATHER RADIO...LOCAL RADIO OR LOCAL TELEVISION FOR FURTHER STATEMENTS
OR POSSIBLE WARNINGS.
Special weather statement, Nov 15, 11:30 AM CST, 1 hour 53 minutes before
^FTWFFSFTW

URBAN FLOOD STATEMENT
NATIONAL WEATHER SERVICE  FORT WORTH, TX
ISSUED 1131 AM CST SUN NOV 15 1987

STRONG THUNDERSTORMS IN NORTH TEXAS HAVE PRODUCED HEAVY RAINS WHICH
HAVE CAUSED MINOR FLOODING OF STREETS AND LOW-LYING AREAS IN THE
DALLAS/FORT WORTH AREA.  THE STORMS ARE EXPECTED TO CONTINUE FOR
THE NEXT 1 TO 2 HOURS AND COULD PRODUCE ADDITIONAL FLOODING IN DALLAS
AND COLLIN COUNTIES.

RESIDENTS SHOULD BE ON THE LOOKOUT FOR RISING WATERS AND SHOULD MONITOR
THIS WEATHER SITUATION BY TUNING IN TO NOAA WEATHER RADIO...LOCAL
RADIO OR TELEVISION FOR FURTHER STATEMENTS.
Special weather statement, Nov 15, 11:42 AM CST, 1 hour 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
1130 AM CST SUN NOV 15 1987

...TORNADO WATCH IN EFFECT UNTIL 300 PM CST FOR PORTIONS OF NORTH-
CENTRAL TEXAS...INCLUDING BOSQUE AND HILL COUNTIES...

AT 1130 AM CST A LINE OF THUNDERSTORMS EXTENDED FROM NEAR DALLAS TO
CLIFTON TO NEAR EVANT. SOME OF THESE THUNDERSTORMS MAY PRODUCE VERY
HEAVY RAIN...STRONG GUSTY WINDS...AND HAIL. THE THUNDERSTORMS WERE
MOVING NORTHEAST AT NEAR 35 MPH.

ALSO...AN ISOLATED VERY HEAVY THUNDERSTORM HAD DEVELOPED OVER SOUTHERN
BELL COUNTY NEAR THE TOWN OF PRAIRIE DELL. THIS STORM MAY ALSO CONTAIN
STRONG GUSTY WINDS AND HAIL. MOVEMENT WAS NORTHEAST AT 35 MPH.

03
Special weather statement, Nov 15, 1:10 PM CST, 13 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
110 PM CST SUN NOV 15 1987

...TORNADO WATCH IN EFFECT UNTIL 8 PM TONIGHT FOR NORTHEAST AND
SOUTH CENTRAL TEXAS...

A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF NORTHEAST AND SOUTH
CENTRAL TEXAS UNTIL 8 PM TONIGHT.  THE WATCH AREA IS ALONG AND 80 MILES
EITHER SIDE OF A LINE FROM 80 MILES NORTHWEST OF VICTORIA TEXAS TO 20
NORTH OF LONGVIEW TEXAS.  THE WATCH INCLUDES THE DALLAS/FORT WORTH
AREA...TYLER/LONGVIEW...AUSTIN...WACO...COLLEGE STATION...HUNTSVILLE
AND VICTORIA.

A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR TORNADOES
AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.

AT 1 PM...NATIONAL WEATHER SERVICE RADARS INDICATED A LINE OF STRONG
THUNDERSTORMS STRETCHING FROM SOUTHEAST OKLAHOMA TO THE DALLAS/FORT
WORTH METROPLEX TO THE AUSTIN AREA.  THE STRONGER STORMS WERE LOCATED
NEAR PARIS IN LAMAR COUNTY...IN EAST DALLAS COUNTY AND AT WACO IN
MCLENNAN COUNTY.   MOVEMENT OF THE ACTIVITY WAS TO THE SOUTHEAST
AT 25 MILES AN HOUR.

THE STORMS HAVE BEEN PRODUCING VERY HEAVY RAINS...STRONG WINDS...
DANGEROUS LIGHTNING AND SMALL HAIL.  THE WEATHER SERVICE HAS RECEIVED
RAINFALL REPORTS OF 2 TO 3 INCHES IN A COUPLE OF HOURS  FROM COLLIN
COUNTY AND OTHER COUNTIES IN NORTH CENTRAL TEXAS.

RESIDENTS ARE URGED TO SEEK SHELTER IN A STURDY BUILDING...PREFERABLY
IN AN INTERIOR ROOM ON A LOWER FLOOR.  MOTORISTS SHOULD EXERCISE
EXTREME CAUTION AS HEAVY RAINS COULD FLOOD ROADS AND DETERIORATE
DRIVING CONDITIONS RAPIDLY.

BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN TO NOAA
WEATHER RADIO...LOCAL RADIO OR LOCAL TELEVISION FOR FURTHER STATEMENTS
OR POSSIBLE W7ARNINGS.

The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 15, 12:36 PM CSTTornado WarningFWDMcLennan24 min
Nov 15, 1:59 PM CSTSevere Thunderstorm WarningFWDLamar31 min
Nov 15, 2:24 PM CSTTornado WarningFWDLeon66 min
Nov 15, 2:48 PM CSTSevere Thunderstorm WarningFWDAnderson57 min
Nov 15, 2:55 PM CSTTornado WarningFWDAnderson50 min
Nov 15, 3:21 PM CSTSevere Thunderstorm WarningFWDCherokee, Smith54 min
Nov 15, 3:39 PM CSTTornado WarningFWDCherokee66 min
Nov 15, 4:01 PM CSTTornado WarningFWDSmith59 min
Nov 15, 4:42 PM CSTSevere Thunderstorm WarningFWDCoryell63 min
Nov 15, 4:42 PM CSTTornado WarningFWDCherokee, Smith48 min
Nov 15, 4:49 PM CSTTornado WarningFWDUpshur56 min
Nov 15, 5:58 PM CSTTornado WarningFWDUpshur32 min

Nearby

Severe Thunderstorm Warnings in Texas, 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.