Alert archive / Texas / Tornado Warnings in 1990

Tornado Warning 8, NWS Amarillo, TX

April 24, 1990Wheeler County, Texas

NWS Amarillo, TX issued this tornado warning at Apr 24, 1990, 11:58 PM CDT for Wheeler County, Texas. It was in force for 62 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
Apr 24, 1990, 11:58 PM CDT (04:58 UTC)
Expired
Apr 25, 1990, 1:00 AM CDT
In force
62 min
Issued by
NWS Amarillo, TX
Area
Whole counties

County Wheeler 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 25, 12:17 AM CDTTornado F1Wheeler, 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, 5.0 hours before the alert went out and 131 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 1990-04-25Temperature 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 1990-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3460 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
55 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 250459
TORAMA
TXC483-250600-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
1158 PM CDT TUE APR 24 1990
 
THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  100 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN THE TEXAS PANHANDLE
          ...WHEELER
 
AT 1158 PM CDT...THE FIRE DEPT AT SHAMROCK REPORTS A TORNADO JUST
WEST OF SHAMROCK TEXAS MOVING NORTHEAST AT 25 MILES AN HOUR.
 
 
 
THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE.  OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE.  AVOID WINDOWS.  ABANDON C#ARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 24, 7:15 PM CDTSevere Thunderstorm WarningAMAWheeler60 min
Apr 24, 8:08 PM CDTTornado WarningAMAHemphill52 min
Apr 24, 8:59 PM CDTSevere Thunderstorm WarningAMAHemphill61 min
Apr 24, 9:51 PM CDTTornado WarningAMAHemphill, Lipscomb39 min
Apr 24, 10:01 PM CDTSevere Thunderstorm WarningAMADonley59 min
Apr 24, 11:04 PM CDTSevere Thunderstorm WarningAMACollingsworth, Donley56 min
Apr 24, 11:19 PM CDTSevere Thunderstorm WarningAMAMoore, Potter56 min
Apr 24, 11:25 PM CDTSevere Thunderstorm WarningAMAGray, Wheeler65 min
Apr 24, 11:48 PM CDTSevere Thunderstorm WarningAMASherman57 min
Apr 25, 12:14 AM CDTSevere Thunderstorm WarningAMAMoore, Potter61 min
Apr 25, 1:00 AM CDTTornado WarningAMAWheeler45 min
Apr 25, 1:04 AM CDTSevere Thunderstorm WarningAMAHansford56 min
Apr 25, 1:04 AM CDTSevere Thunderstorm WarningAMAHemphill56 min
Apr 25, 1:14 AM CDTSevere Thunderstorm WarningAMAOldham61 min
Apr 25, 1:16 AM CDTTornado WarningAMAMoore44 min
Apr 25, 2:03 AM CDTSevere Thunderstorm WarningAMAMoore57 min
Apr 25, 2:23 AM CDTSevere Thunderstorm WarningAMASherman67 min
Apr 25, 3:01 AM CDTSevere Thunderstorm WarningAMAMoore59 min
Apr 25, 3:50 AM CDTFlash Flood WarningAMAMoore2 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.