Alert archive / Texas / Tornado Warnings in 1990

Tornado Warning 21, NWS Fort Worth, TX

April 5, 1990Comanche County, Texas

NWS Fort Worth, TX issued this tornado warning at Apr 5, 1990, 9:59 PM CDT for Comanche County, Texas. It was in force for 31 min.

The area

The counties it named.

The facts

Issued
Apr 5, 1990, 9:59 PM CDT (02:59 UTC)
Expired
Apr 5, 1990, 10:30 PM CDT
In force
31 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Comanche 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

Stephenville/Cla, TX (KSEP), launched 00:00Z, 3.0 hours before the alert went out and 53 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, Stephenville/Cla, TX at 00:00Z on 1990-04-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1723 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, Stephenville/Cla, TX at 00:00Z on 1990-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 130 square meters per square second.1939587897Sfc1 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
1723 J/kg
Mixed-layer CIN
-93 J/kg
Mixed-layer LCL
1551 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
130 m²/s²
0-3 km storm-relative helicity
286 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFTW 060259
TORFTW
TXC093-060330-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
959 PM CDT THU APR 5 1990
 
THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1030 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL TEXAS
 
   ...SOUTHERN COMANCHE COUNTY
 
AT 958 PM CDT... RADAR INDICATED A POSSIBLE TORNADO OVER SOUTHERN
COMANCHE COUNTY NEAR NEWBURG. THE PARENT THUNDERSTORM WAS MOVING EAST
SOUTHEAST AT ABOUT 25 MPH.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 5, 7:02 PM CDTSevere Thunderstorm WarningFWDJack58 min
Apr 5, 7:14 PM CDTSevere Thunderstorm WarningFWDCallahan61 min
Apr 5, 7:35 PM CDTSevere Thunderstorm WarningFWDStephens55 min
Apr 5, 7:38 PM CDTSevere Thunderstorm WarningFWDParker67 min
Apr 5, 7:46 PM CDTTornado WarningFWDParker44 min
Apr 5, 7:50 PM CDTSevere Thunderstorm WarningFWDHunt55 min
Apr 5, 7:58 PM CDTSevere Thunderstorm WarningFWDEastland, Erath, Palo Pinto62 min
Apr 5, 8:19 PM CDTTornado WarningFWDHopkins56 min
Apr 5, 8:25 PM CDTTornado WarningFWDTarrant65 min
Apr 5, 8:25 PM CDTTornado WarningFWDParker15 min
Apr 5, 8:31 PM CDTTornado WarningFWDComanche59 min
Apr 5, 8:47 PM CDTSevere Thunderstorm WarningFWDColeman58 min
Apr 5, 8:47 PM CDTSevere Thunderstorm WarningFWDCallahan48 min
Apr 5, 8:54 PM CDTSevere Thunderstorm WarningFWDHood, Johnson, Somervell66 min
Apr 5, 9:04 PM CDTSevere Thunderstorm WarningFWDFranklin, Wood56 min
Apr 5, 9:06 PM CDTSevere Thunderstorm WarningFWDBosque, Hill69 min
Apr 5, 9:07 PM CDTSevere Thunderstorm WarningFWDBrown68 min
Apr 5, 9:11 PM CDTSevere Thunderstorm WarningFWDDallas, Tarrant64 min
Apr 5, 9:28 PM CDTSevere Thunderstorm WarningFWDComanche62 min
Apr 5, 9:45 PM CDTSevere Thunderstorm WarningFWDEllis60 min
Apr 5, 10:13 PM CDTSevere Thunderstorm WarningFWDHamilton62 min
Apr 5, 11:01 PM CDTSevere Thunderstorm WarningFWDCoryell59 min
Apr 6, 12:27 AM CDTSevere Thunderstorm WarningFWDBell63 min

Nearby

Tornado Warnings in Texas, 1990Every tornado warning in 1990Tornadoes in 1990

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.