Alert archive / Texas / Tornado Warnings in 1990

Tornado Warning 3, NWS Amarillo, TX

April 23, 1990Briscoe County, Texas

NWS Amarillo, TX issued this tornado warning at Apr 23, 1990, 7:15 PM CDT for Briscoe County, Texas. It was in force for 45 min. 2 reports 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
Apr 23, 1990, 7:15 PM CDT (00:15 UTC)
Expired
Apr 23, 1990, 8:00 PM CDT
In force
45 min
Issued by
NWS Amarillo, TX
Area
Whole counties

County Briscoe 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
Apr 23, 7:15 PM CDTTornado F0Briscoe, TX
Apr 23, 7:35 PM CDTTornado F0Briscoe, 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

Amarillo Airport, TX (KAMA), launched 00:00Z, 0.3 hours before the alert went out and 90 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, Amarillo Airport, TX at 00:00Z on 1990-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Amarillo Airport, TX at 00:00Z on 1990-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
124 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAMA 240016
TORAMA
TXC045-240100-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
715 PM CDT MON APR 23 1990
 
THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  800 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN THE TEXAS PANHANDLE
          ...BRISCOE
 
SKYWARN SPOTTERS REPORTED A TORNADO 5 MILES NORTHEAST OF SILVERTON.
THE THUNDERSTORM IS MOVING TO THE NORTHEAST AT 25 MILES AN HOUR.
 
THIS IS A DANGEROUS STORM SEEK SHELTER IMMEDIATELY.
 
 
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 Amarillo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 23, 7:53 PM CDTSevere Thunderstorm WarningAMADonley67 min
Apr 23, 8:07 PM CDTSevere Thunderstorm WarningAMABriscoe53 min
Apr 23, 8:27 PM CDTSevere Thunderstorm WarningAMAHemphill, Wheeler63 min
Apr 23, 9:16 PM CDTSevere Thunderstorm WarningAMADonley59 min
Apr 24, 4:32 PM CDTSevere Thunderstorm WarningAMADonley58 min
Apr 24, 5:26 PM CDTSevere Thunderstorm WarningAMADonley, Gray64 min
Apr 24, 5:56 PM CDTSevere Thunderstorm WarningAMAWheeler64 min
Apr 24, 6:13 PM CDTTornado WarningAMAGray32 min
Apr 24, 6:38 PM CDTTornado WarningAMAGray, Wheeler37 min
Apr 24, 6:59 PM CDTFlash Flood WarningAMAGray, Wheeler2 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.