Alert archive / Texas / Tornado Warnings in 1990

Tornado Warning 49, NWS Fort Worth, TX

May 11, 1990Comanche County, Texas

NWS Fort Worth, TX issued this tornado warning at May 11, 1990, 8:18 PM CDT for Comanche County, Texas. It was in force for 57 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 11, 1990, 8:18 PM CDT (01:18 UTC)
Expired
May 11, 1990, 9:15 PM CDT
In force
57 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.

What was reported inside it

TimeReportWhereRemark
May 11, 8:25 PM CDTThunderstorm Wind 56Comanche, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Stephenville/Cla, TX (KSEP), launched 00:00Z, 1.3 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 1990-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 551 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 1990-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 182 square meters per square second.1939587897117136Sfc1 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
551 J/kg
Mixed-layer CIN
-130 J/kg
Mixed-layer LCL
1521 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
182 m²/s²
0-3 km storm-relative helicity
126 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFTW 120121
TORFTW
TXC093-120215-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
818 PM CDT FRI MAY 11 1990
 
THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  915 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL TEXAS
 
   ...COMANCHE COUNTY
 
AT 815 PM CDT SPOTTERS REPORTED A FUNNEL CLOUD 7 SOUTH OF
COMANCHE. MOVEMENT WAS EAST NORTHEAST AT 55 MPH. REPORTS OF
WINDS TO 60 MPH HAVE BEEN REPORTED ASSOCIATED WITH THIS STORM.
 
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 R-OOM
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
May 11, 7:15 PM CDTSevere Thunderstorm WarningFWDShackelford60 min
May 11, 7:55 PM CDTSevere Thunderstorm WarningFWDYoung65 min
May 11, 7:56 PM CDTSevere Thunderstorm WarningFWDThrockmorton64 min
May 11, 8:08 PM CDTSevere Thunderstorm WarningFWDComanche67 min
May 11, 8:27 PM CDTSevere Thunderstorm WarningFWDErath63 min
May 11, 8:47 PM CDTSevere Thunderstorm WarningFWDBosque58 min
May 11, 8:56 PM CDTSevere Thunderstorm WarningFWDHood, Somervell64 min
May 11, 9:25 PM CDTFlash Flood WarningFWDHood2 hr
May 11, 9:32 PM CDTSevere Thunderstorm WarningFWDHill43 min
May 11, 9:37 PM CDTSevere Thunderstorm WarningFWDJohnson, Tarrant58 min
May 11, 9:51 PM CDTSevere Thunderstorm WarningFWDBell, Coryell69 min
May 11, 9:53 PM CDTSevere Thunderstorm WarningFWDSmith52 min
May 12, 12:34 AM CDTSevere Thunderstorm WarningFWDHenderson41 min
May 12, 3:47 AM CDTSevere Thunderstorm WarningFWDCoryell28 min
May 12, 4:28 AM CDTSevere Thunderstorm WarningFWDLimestone, McLennan47 min
May 12, 4:56 AM CDTSevere Thunderstorm WarningFWDFreestone64 min
May 12, 5:15 AM CDTFlash Flood WarningFWDCoryell3 hr
May 12, 5:23 AM CDTSevere Thunderstorm WarningFWDAnderson67 min
May 12, 5:59 AM CDTSevere Thunderstorm WarningFWDCherokee61 min
May 12, 6:11 AM CDTSevere Thunderstorm WarningFWDHill34 min
May 12, 7:46 AM CDTFlash Flood WarningFWDNavarro4 hr
May 12, 9:13 AM CDTFlash Flood WarningFWDCherokee, Smith4 hr
May 12, 4:42 PM CDTSevere Thunderstorm WarningFWDWood33 min
May 12, 4:57 PM CDTSevere Thunderstorm WarningFWDAnderson, Cherokee, Henderson, Smith48 min
May 12, 6:15 PM CDTSevere Thunderstorm WarningFWDCherokee45 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.