Alert archive / Texas / Tornado Warnings in 1990

Tornado Warning 21, NWS Amarillo, TX

May 31, 1990Roberts County, Texas

NWS Amarillo, TX issued this tornado warning at May 31, 1990, 9:39 PM CDT for Roberts County, Texas. It was in force for 66 min.

The area

The counties it named.

The facts

Issued
May 31, 1990, 9:39 PM CDT (02:39 UTC)
Expired
May 31, 1990, 10:45 PM CDT
In force
66 min
Issued by
NWS Amarillo, TX
Area
Whole counties

County Roberts 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

Amarillo Airport, TX (KAMA), launched 00:00Z, 2.7 hours before the alert went out and 105 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 1990-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 49 joules per kilogram.LCLEL10008507005003002001001 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, Amarillo Airport, TX at 00:00Z on 1990-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 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
49 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
3540 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
54 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 7:04 PM CDTSevere Thunderstorm WarningAMACollingsworth56 min
May 31, 7:28 PM CDTTornado WarningAMAOchiltree62 min
May 31, 7:53 PM CDTSevere Thunderstorm WarningAMABriscoe67 min
May 31, 8:07 PM CDTSevere Thunderstorm WarningAMALipscomb68 min
May 31, 8:16 PM CDTTornado WarningAMAHansford, Ochiltree44 min
May 31, 8:19 PM CDTSevere Thunderstorm WarningAMACollingsworth, Wheeler56 min
May 31, 8:46 PM CDTTornado WarningAMAHutchinson, Roberts44 min
May 31, 9:00 PM CDTTornado WarningAMAHansford, Ochiltree60 min
May 31, 9:19 PM CDTSevere Thunderstorm WarningAMAChildress26 min
May 31, 9:59 PM CDTTornado WarningAMAOchiltree61 min
May 31, 10:39 PM CDTTornado WarningAMAHemphill66 min
May 31, 11:42 PM CDTTornado WarningAMAHemphill63 min
Jun 1, 12:35 AM CDTTornado WarningAMAWheeler40 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.