Alert archive / Texas / Tornado Warnings in 1986

Tornado Warning 12, NWS Fort Worth, TX

April 3, 1986Henderson County, Texas

NWS Fort Worth, TX issued this tornado warning at Apr 3, 1986, 6:49 PM CST for Henderson County, Texas. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Apr 3, 1986, 6:49 PM CST (00:49 UTC)
Expired
Apr 3, 1986, 7:45 PM CST
In force
56 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Henderson 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 00:00Z, 0.8 hours before the alert went out and 119 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 00:00Z on 1986-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 895 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 00:00Z on 1986-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 123 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
895 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
875 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
123 m²/s²
0-3 km storm-relative helicity
141 m²/s²
Significant tornado parameter
0.9
Supercell composite
5.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFTW 040049
TORFTW
TXC213-040145-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
649 PM CST THU APR 3 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 745 PM CST FOR PEOPLE IN THE FOLLOWING COUNTY OF

NORTHEAST TEXAS...HENDERSON

AT 645 PM CST RADAR INDICATED A POSSIBLE TORNADO 2 MILES SOUTH OF
ATHENS. THE STORM WAS MOVING NORTH AT 25 MPH.

IF YOU ARE( IN THE PATH OF THIS TORNADO..GO TO A BASEMENT SHELTER
OR A CENTRAL INTERIOR ROOM ON THE LOWEST FLOOR. ABANDON CARS AND
MOBILE HOMES FOR A REINFORCED BUILDING OR GET INTO A DITCH OR
CULVERT.

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, Apr 3, 1:08 PM CST, 5 hours 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
105 PM CST THU APR 3 1986

SEVERE THUNDERSTORMS REMAIN A POSSIBILTY ACROSS MUCH OF NORTH CENTRAL
THIS AFTERNOON AND TONIGHT.

IN FACT...THE NATIONAL SEVERE STORMS FORECAST CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PARTS OF NORTH TEXAS UNTIL 400 PM THIS
AFTERNOON. IN NORTH CENTRAL TEXAS THE WATCH AREA IS INCLUDES COOKE..
GRAYSON..WISE..DENTON..AND COLLIN COUNTIES AS WELL AS SOME ADDITIONAL
COUNTIES IN THE WESTERN PORTIONS OF NORTH TEXAS AND IN OKLAHOMA.
LARGE HAIL AND DAMAGING THUNDERSTORMS WINDS ARE POSSIBLE IN THE
WATCH AREA.

A STRONG AREA OF LOW PRESSURE OVER WESTERN KANSAS IS THE UNDERLYING
CAUSE FOR THE SEVERE THUNDERSTORMS. THE CIRCULATION AROUND THE STORM
IS PUSHING VERY DRY AIR FROM NEW MEXICO AND WEST TEXAS EAST INTO
A MOIST AND UNSTABLE ENVIRONMENT OVER NORTH TEXAS AND CENTRAL
OKLAHOMA. THUNDERSTORMS HAD DEVELOPED ALONG THIS BOUNDARY AT MIDDAY
WITH NUMEROUS REPORTS OF HAIL. COLD AIR ALOFT IS CONTRIBUTING TO THE
INSTABILITY OF THE AIR MASS...AND IS CONDUCIVE TO PRODUCING LARGE
HAIL AND STRONG THUNDERSTORM WINDS.

A LIMITING FACTOR TO THE POTENTIAL FOR SEVERE WEATHER SO FAR HAS BEEN
SURFACE HEATING. LOW CLOUDS HAVE KEPT SURFACE TEMPERATURES FROM
WARMING VERY MUCH TODAY...SO THAT THUNDERSTORMS HAVE DEVELOPED TODAY
ONLY IN THE AREA WHERE OTHER FACTORS HAVE COMPENSATED FOR THE
LACK OF HEATING. SHOULD THE LOW CLOUDS BREAK OVER NORTH TEXAS THIS
AFTERNOON...THEN THE POTENTIAL FOR SEVERE WEATHER WILL INCREASE.

THE BOUNDARY BETWEEN THE DRY AND MOIST AIR IS MOVING VERY SLOWLY..SO
THAT THUNDERSTORMS ARE NOT EXPECTED OVER THE METROPLEX AND EASTERN
PORTIONS OF THE SEVERE THUNDERSTORM WATCH AREA UNTIL LATE THIS
AFTERNOON OR EVENING. ONE ASPECT OF THIS SLOW MOVEMENT IS THAT
HEAVY RAINS COULD CAUSE FLASH FLOODING IN URBAN AND LOW LYING AREAS..
EVEN THOUGH CONDITIONS OVER NORTH TEXAS HAVE BEEN VERY DRY.

RESIDENTS OVER NORTH TEXAS ARE ADVISED TO KEEP IN TOUCH WITH LATEST
WEATHER DEVELOPMENTS AND MONITOR RADIO...TV...OR NOAA WEATHER RADIO
FOR UPDATES ON THIS DEVELOPING WEATHER SITUATION.
Special weather statement, Apr 3, 2:58 PM CST, 3 hours 51 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
300 PM CST THU APR 3 1986

A TORNADO WATCH IS IN EFFECT FOR A LARGE PART OF CENTRAL AND NORTH
TEXAS UNTIL 9 PM THIS EVENING.

A SEVERE THUNDERSTORM WATCH IS ALSO IN EFFECT FOR THE NORTHERN PART
OF NORTH CENTRAL TEXAS UNTIL 4 PM THIS AFTERNOON.

AT 2:55 PM CST RADAR INDICATED AN INTENSE THUNDERSTORM OVER SOUTHERN
WISE COUNTY MOVING NORTHEAST 35 MILES AN HOUR. THE COMMUNITIES OF BOYD
..PARADISE..AND RHONE ARE DIRECTLY IN THE PATH OF THIS STORM AND
RESIDENTS SHOULD BE ALERT FOR THE POSSIBLITY OF SEVERE WEATHER.

THIS THUNDERSTORM IS PART OF AN AREA OF THUNDERSTORMS THAT EXTENDS FROM
SOUTH OF STEPHENVILLE NORTH THROUGH PALO/ PINTO..PARKER..AND WISE
COUNTIES.

RESIDENTS OVER NORTH TEXAS ARE ADVISED TO KEEP IN TOUCH WITH LATEST
WEATHER DEVELOPMENTS AND MONITOR RADIO...TV...OR NOAA WEATHER RADIO
FOR UPDATES ON THIS DEVELOPING WEATHER SITUATION.
Special weather statement, Apr 3, 3:57 PM CST, 2 hours 52 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
355 PM CST THU APR 3 1986

A TORNADO WATCH IS IN EFFECT FOR A LARGE PART OF CENTRAL AND NORTH
TEXAS..INCLUDING THE DALLAS/FORT WORTH METROPLEX..UNTIL 9 PM THIS
EVENING. THE TORNADO WATCH AREA IS ALONG AND 70 MILES EAST AND WEST
OF A LINE FROM 60 MILES EAST OF JUNCTION TO 60 MILES WEST OF PARIS.

AT 3:50 PM CST RADAR INDICATED THUNDERSTORMS FROM THE MINERAL WELLS
VICINITY TO THE RED RIVER NORTHWEST OF GAINESVILLE. HEAVIEST RAINFALL
WAS INDICATED JUST NORTH OF DECATUR. ALSO LIGHT SHOWERS WERE FORMING
OVER THE NORTH CENTRAL METROPLEX ALONG THE DALLAS/TARRANT COUNTY LINES.
THESE STORMS WERE MOVING NORTHEAST AT 35 MILES AN HOURu.

RESIDENTS OVER NORTH TEXAS AREA ADVISED TO KEEP IN TOUCH WITH THE LATEST
WEATHER DEVELOPMENTS AND MONITOR RADIO...TV...OR NOAA WEATHER RADIO
FOR UPDATES ON THIS DEVELOPING WEATHER SITUATION.
Special weather statement, Apr 3, 5:01 PM CST, 1 hour 48 minutes before
^FTWSPSACT

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
 500 PM CST THU APR 3 1986

...A TORNADO WATCH IS IN EFFECT UNTIL 9 PM CST FOR CENTRAL TEXAS..

AT 455 PM CST HEAVY THUNDERSTORMS ARE LOCATED IN LIMESTONE COUNTY
MOVING TO THE NORTH NORTHEAST AT 35 MPH. SHOWERS AND THUNDERSTORMS
BOUNDED IN AN AREA FROM CROSICANA TO CROCKETT TO NEAR BRYAN COLLEGE
STATION TO TEMPLE BACK ACROSS WACO TO NEAR CORSICANA.

OTHER SHOWERS AND THUNDERSTORMS WERE LOCATED NEAR LAMPASAS TO HAMILTON
TO FT WORTH. MOVING TO THE NORTHEAST.

NO SEVERE WEATHER HAS BEEN REPORTED TO THIS OFFICE DURING THE PAST HOUR.
Special weather statement, Apr 3, 5:02 PM CST, 1 hour 47 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
500 PM CST THU APR 3 1986

A TORNADO WATCH IS IN EFFECT FOR A LARGE PART OF CENTRAL AND NORTH
TEXAS..INCLUDING THE DALLAS/FORT WORTH METROPLEX..AND THE SHERMAN/
PARIS AREAS..UNTIL 9 PM THIS EVENING.

THE TORNADO WATCH AREA IS ALONG AND 70 MILES EAST AND WEST OF A LINE
FROM 60 MILES EAST OF JUNCTION TO 60 MILES WEST OF PARIS.

AT 4:55 PM CST WEATHER SERVICE RADAR INDICATED A BAND OF THUNDERSTORMS
STRETCHING FROM WESTERN HAMILTON COUNTY THROUGH THE STEPHENVILLE AREA
CONTINUING INTO SOMERVELL..HOOD..PARKER..WISE..NORTHEAST DENTON..AND
COOKE COUNTIES. HEAVIEST RAINFALL INDICATIONS WERE IN HOOD..SOMERVELL
..AND COOKES COUNTIES. MOVEMENT WAS NORTHEAST AT 35 MILES AN HOUR.

ALSO THUNDERSTORMS WITH HEAVY RAINFALL INDICATED WERE MOVING INTO WEST
FREESTONE AND SOUTHWEST NAVARRO COUNTY. THESE STORMS WERE ALSO MOVING
NORTHEAST AT 35 MILES AN HOUR.
RESIDENTS OVER THE NORTH TEXAS AREA ARE ADVISED TO KEEP IN TOUCH WITH
THE LATEST WEATHER DEVELOPMENTS AND MONITOR RADIO..TV..OR NOAA WEATHER
RADIO FOR UPDATES ON THIS DEVELOPING WEATHER SITUATION.
Special weather statement, Apr 3, 5:22 PM CST, 1 hour 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
520 PM CST THU APR 3 1986

A TORNADO WATCH IS IN EFFECT FOR A LARGE PART OF CENTRAL AND NORTH
TEXAS..INCLUDING THE DALLAS/FORT WORTH METROPLEX..AND THE SHERMAN/
PARIS AREAS..UNTIL 9 PM THIS EVENING.

THE TORNADO WATCH AREA IS ALONG AND 70 MILES EAST AND WEST OF A LINE
FROM 60 MILES EAST OF JUNCTION TO 60 MILES WEST OF PARIS.

AT 515 PM AN INTENSE THUNDERSTORM OVER THE EXTREME NORTHEAST CORNER OF
HOOD COUNTY NEAR CRESSON WAS MOVING THROUGH THE NORTHWEST PART OF
JOHNSON COUNTY INTO SOUTHWEST TARRANT COUNTY. THIS STORM PRODUCED ONE
QUARTER INCH HAIL SHORTLY AFTER 5 PM JUST SOUTH OF CRESSON. THIS STORM
WAS MOVING NORTHEAST AT 35 MILES AN HOUR AND SHOULD REACH BENBROOK ABOUT
5:30 AND DOWNTOWN FORT WORTH AROUND 5:45.

RESIDENTS AND MOTORIST IN TARRANT COUNTY AND THE FORT WORTH AREA SHOULD
BE PREPARED TO TAKE IMMEDIATE SAFETY ACTIONS IN CASE A WARNING BECOMES
NECESSARY.

RESIDENTS ARE ADVISED TO MONITOR RADIO..TV..OR NOAA WEATHER RADIO FOR
UPDATES ON THIS DEVELOPING WEATHER SITUATION.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 6:00 PM CSTSevere Thunderstorm WarningFWDBrown60 min
Apr 3, 6:06 PM CSTSevere Thunderstorm WarningFWDAnderson, Henderson69 min
Apr 3, 6:23 PM CSTSevere Thunderstorm WarningFWDHunt67 min
Apr 3, 6:43 PM CSTSevere Thunderstorm WarningFWDDenton, Tarrant62 min
Apr 3, 7:05 PM CSTTornado WarningFWDComanche, Eastland55 min
Apr 3, 7:10 PM CSTSevere Thunderstorm WarningFWDVan Zandt65 min
Apr 3, 7:24 PM CSTSevere Thunderstorm WarningFWDSmith66 min
Apr 3, 9:16 PM CSTSevere Thunderstorm WarningFWDComanche59 min
Apr 3, 11:49 PM CSTSevere Thunderstorm WarningFWDFranklin, Red River, Titus56 min
Apr 4, 3:26 AM CSTSevere Thunderstorm WarningFWDFranklin, Red River, Titus64 min
Apr 4, 3:31 AM CSTSevere Thunderstorm WarningFWDHunt59 min
Apr 4, 4:14 AM CSTSevere Thunderstorm WarningFWDDelta, Hopkins46 min
Apr 4, 12:21 PM CSTFlash Flood WarningFWDRed River, Titus4 hr
Apr 4, 2:15 PM CSTSevere Thunderstorm WarningFWDDallas, Tarrant60 min
Apr 4, 2:15 PM CSTSevere Thunderstorm WarningFWDJohnson60 min
Apr 4, 2:37 PM CSTSevere Thunderstorm WarningFWDEllis68 min
Apr 4, 2:59 PM CSTSevere Thunderstorm WarningFWDCollin61 min
Apr 4, 3:12 PM CSTSevere Thunderstorm WarningFWDDallas, Tarrant63 min
Apr 4, 3:27 PM CSTSevere Thunderstorm WarningFWDHamilton63 min
Apr 4, 4:13 PM CSTSevere Thunderstorm WarningFWDDallas62 min
Apr 4, 4:32 PM CSTSevere Thunderstorm WarningFWDEllis, Johnson58 min
Apr 4, 5:15 PM CSTSevere Thunderstorm WarningFWDLamar60 min
Apr 4, 5:24 PM CSTSevere Thunderstorm WarningFWDFranklin, Red River66 min
Apr 4, 5:31 PM CSTTornado WarningFWDEllis59 min
Apr 4, 5:59 PM CSTSevere Thunderstorm WarningFWDTitus61 min

Nearby

Tornado Warnings in Texas, 1986Every tornado warning in 1986Tornadoes in 1986

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.