Alert archive / Texas / Tornado Warnings in 1990

Tornado Warning 39, NWS Fort Worth, TX

April 26, 1990Coryell County, Texas

NWS Fort Worth, TX issued this tornado warning at Apr 26, 1990, 12:46 AM CDT for Coryell County, Texas. It was in force for 44 min.

The area

The counties it named.

The facts

Issued
Apr 26, 1990, 12:46 AM CDT (05:46 UTC)
Expired
Apr 26, 1990, 1:30 AM CDT
In force
44 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Coryell 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, 5.8 hours before the alert went out and 96 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 1990-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1429 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Stephenville/Cla, TX at 00:00Z on 1990-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 167 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
1429 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
760 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
167 m²/s²
0-3 km storm-relative helicity
169 m²/s²
Significant tornado parameter
1.2
Supercell composite
5.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KACT 260547
TORACT
TXC099-099-260630-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WACO TX
1246 AM CDT THU APR 26 1990
 
THE NATIONAL WEATHER SERVICE IN WACO HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  130 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL TEXAS
 
   ...CITY OF GATESVILLE COUNTY...CORYELL COUNTY
 
AT 1245 AM CDT A POSSIBLE TORNADO WAS NOTED BY RADAR JUST SOUTHEAST OF
GATESVILLE TEXAS MOVING NORTH AT 20 MILES AN HOUR.
 
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 25, 7:19 PM CDTSevere Thunderstorm WarningFWDErath, Palo Pinto56 min
Apr 25, 7:20 PM CDTFlash Flood WarningFWDYoung4 hr
Apr 25, 7:24 PM CDTTornado WarningFWDErath66 min
Apr 25, 7:58 PM CDTTornado WarningFWDComanche, Erath62 min
Apr 25, 8:00 PM CDTFlash Flood WarningFWDBrown3 hr
Apr 25, 8:35 PM CDTSevere Thunderstorm WarningFWDComanche55 min
Apr 25, 8:43 PM CDTFlash Flood WarningFWDArcher, Clay4 hr
Apr 25, 8:49 PM CDTFlash Flood WarningFWDParker56 min
Apr 25, 8:49 PM CDTSevere Thunderstorm WarningFWDParker56 min
Apr 25, 9:19 PM CDTSevere Thunderstorm WarningFWDEastland, Erath56 min
Apr 25, 9:43 PM CDTFlash Flood WarningFWDParker4 hr
Apr 25, 10:02 PM CDTFlash Flood WarningFWDWise4 hr
Apr 25, 10:18 PM CDTTornado WarningFWDErath, Palo Pinto57 min
Apr 25, 10:18 PM CDTTornado WarningFWDParker57 min
Apr 25, 10:31 PM CDTFlash Flood WarningFWDComanche, Eastland, Erath4 hr
Apr 25, 10:31 PM CDTFlash Flood WarningFWDPalo Pinto4 hr
Apr 25, 11:42 PM CDTFlash Flood WarningFWDCooke4 hr
Apr 26, 12:50 AM CDTFlash Flood WarningFWDClay2 hr
Apr 26, 1:19 AM CDTFlash Flood WarningFWDDenton4 hr
Apr 26, 1:47 AM CDTFlash Flood WarningFWDParker, Wise4 hr
Apr 26, 2:05 AM CDTFlash Flood WarningFWDBrown3 hr
Apr 26, 2:25 AM CDTFlash Flood WarningFWDComanche, Eastland, Erath, Palo Pinto4 hr
Apr 26, 2:35 AM CDTFlash Flood WarningFWDClay, Jack, Montague5 hr
Apr 26, 2:35 AM CDTFlash Flood WarningFWDYoung5 hr
Apr 26, 3:26 AM CDTSevere Thunderstorm WarningFWDHamilton49 min
Apr 26, 4:08 AM CDTFlash Flood WarningFWDBosque3 hr
Apr 26, 4:22 AM CDTFlash Flood WarningFWDCooke4 hr
Apr 26, 4:47 AM CDTFlash Flood WarningFWDTarrant4 hr
Apr 26, 5:04 AM CDTFlash Flood WarningFWDBrown, Coleman3 hr
Apr 26, 5:07 AM CDTFlash Flood WarningFWDHood4 hr
Apr 26, 5:07 AM CDTFlash Flood WarningFWDHamilton4 hr
Apr 26, 6:10 AM CDTFlash Flood WarningFWDJohnson, Parker, Somervell4 hr
Apr 26, 6:10 AM CDTFlash Flood WarningFWDComanche, Eastland, Erath, Palo Pinto4 hr
Apr 26, 6:10 AM CDTFlash Flood WarningFWDWise4 hr
Apr 26, 8:55 AM CDTFlash Flood WarningFWDHamilton80 min
Apr 26, 8:55 AM CDTFlash Flood WarningFWDHood80 min
Apr 26, 9:20 AM CDTFlash Flood WarningFWDBosque, McLennan4 hr
Apr 26, 10:11 AM CDTFlash Flood WarningFWDHood, Johnson, Parker, Somervell3 hr
Apr 26, 10:11 AM CDTFlash Flood WarningFWDComanche, Eastland, Erath, Palo Pinto3 hr
Apr 26, 10:11 AM CDTFlash Flood WarningFWDDenton, Wise3 hr
Apr 26, 10:11 AM CDTFlash Flood WarningFWDHamilton3 hr
Apr 26, 10:19 AM CDTFlash Flood WarningFWDCoryell3 hr
Apr 26, 10:35 AM CDTFlash Flood WarningFWDCollin, Dallas, Rockwall, Tarrant3 hr
Apr 26, 1:32 PM CDTFlash Flood WarningFWDBosque, Coryell, Hill, McLennan3 hr
Apr 26, 1:32 PM CDTFlash Flood WarningFWDBell3 hr

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.