Alert archive / Texas / Tornado Warnings in 1989

Tornado Warning 11, NWS Amarillo, TX

May 15, 1989Potter County, Randall County, Texas

NWS Amarillo, TX issued this tornado warning at May 15, 1989, 8:00 PM CDT for Potter County, Randall County, Texas. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
May 15, 1989, 8:00 PM CDT (01:00 UTC)
Expired
May 15, 1989, 8:45 PM CDT
In force
45 min
Issued by
NWS Amarillo, TX
Area
Whole counties

Counties Potter County, TX, Randall 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, 1.0 hours before the alert went out and 18 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 1989-05-16Temperature 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°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 1989-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 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
0 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.0

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.

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, May 15, 2:23 PM CDT, 5 hours 37 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
220 PM CDT MON MAY 15 1989

...THUNDERSTORMS DEVELOPING RAPIDLY OVER EASTERN NEW MEXICO AND
   THE SOUTH PLAINS OF TEXAS...

RADAR INDICATED THUNDERSTORMS ALREADY DEVELOPING OVER THE TEXAS SOUTH
PLAINS NORTHWEST OF LUBBOCK AND OVER EASTERN NEW MEXICO NORTHWEST OF
CLOVIS AND NEAR TUCUMCARI AT 215 PM. SMALL HAIL IS LIKELY WITH THESE
STORMS AS THEY MOVE TOWARD THE NORTHEAST AT 25 MILES AN HOUR.

A VERY MOIST UNSTABLE AIRMASS CONTINUES OVER THE AREA. THIS UNSTABLE
AIRMASS COMBINED WITH AN UPPER LEVEL DISTURBANCE MOVING THROUGH THE
AREA WILL BE THE IMPETUS FOR SEVERE WEATHER THIS AFTERNOON AND EVENING
OVER THE TEXAS AND O/KLAHOMA PANHANDLES AND OVER NORTHEASTERN NEW
MEXICO.

PERSONS IN THE ABOVE MENTIONED AREAS SHOULD REMAIN ALERT FOR POSSIBLE
WATCHES AND WARNINGS WHICH MAY BE ISSUED ON THIS DEVELOPING SITUATION.
SC
Special weather statement, May 15, 3:49 PM CDT, 4 hours 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
345 PM CDT MON MAY 15 1989

...A SEVERRE THUNDERSTORM WARNING REMAINS IN EFFECT FOR QUAY COUNTY OF
   EAST NEW MEXICO UNTIL 330 MDT...

AT 330 PM CDT...RADAR INDICATED SEVERE THUNDERSTORMS IN SOUTHERN QUAY
COUNTY OF EAST NEW MEXICO...AND IN HALE...LYNN...AND GARZA COUNTIES
OF THE SOUTH PLAINS.  THE STORM IN SOUTHERN QUAY COUNTY WAS JUST SOUTH
OF RAGLAND AND 10 MILES SOUTH OF QUAY.  THIS STORM EARLIER PRODUCED GOLF
BALL SIZE HAIL OVER SOUTHERN QUAY COUNTY.  THE SOUTH PLAINS SEVERE
STORMS WERE 20 MILES SOUTHEAST OF LUBBOCK AND 20 MILES SOUTHWEST OF
PLAINVIEW.  THESE ARE DANGEROUS STORMS...AND MAY BE ACCOMPANIED BY
LARGE HAIL...STRONG WINDS...VERY HEAVY RAIN..AND DEADLY LIGHTNING.

THE STORMS IN  NEW MEXICO WERE MOVING NORTH-NORTHEAST AT 15 MPH AND
THOSE IN THE SOUTH PLAINS WERE MOVING NORTHEAST AT 25 MPH.

PERSONS IN THE PATHS OF THESE STORMS SHOULD BE PREPARED TO MOVE
IMMEDIATELY TO PLACE OF SAFETY SHOULD THREATENING WEATHER APPROACH.
                                                                   .
STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL TELEVISION OR RADIO
STATION FOR FURTHER STATEMENTS OR POSSIBLE WARNIN=GS.

             SEA
Special weather statement, May 15, 3:50 PM CDT, 4 hours 10 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY ...CORRECTION...
NATIONAL WEATHER SERVICE AMARILLO TX
345 PM CDT MON MAY 15 1989

...A SEVERRE THUNDERSTORM WARNING REMAINS IN EFFECT FOR QUAY COUNTY OF
   EAST NEW MEXICO UNTIL 330 MDT...

AT 330 PM CDT...RADAR INDICATED SEVERE THUNDERSTORMS IN SOUTHERN QUAY
COUNTY OF EAST NEW MEXICO...AND IN HALE...LYNN...AND GARZA COUNTIES
OF THE SOUTH PLAINS.  THE STORM IN SOUTHERN QUAY COUNTY WAS JUST SOUTH
OF RAGLAND AND 10 MILES SOUTH OF QUAY.  THIS STORM EARLIER PRODUCED GOLF
BALL SIZE HAIL OVER SOUTHERN QUAY COUNTY.  THE SOUTH PLAINS SEVERE
STORMS WERE 20 MILES SOUTHEAST OF LUBBOCK AND 20 MILES SOUTHWEST OF
PLAINVIEW.  THESE ARE DANGEROUS STORMS...AND MAY BE ACCOMPANIED BY
LARGE HAIL...STRONG WINDS...VERY HEAVY RAIN..AND DEADLY LIGHTNING.

THE STORMS IN  NEW MEXICO WERE MOVING NORTH-NORTHEAST AT 15 MPH AND
THOSE IN THE SOUTH PLAINS WERE MOVING NORTHEAST AT 25 MPH.

PERSONS IN THE PATHS OF THESE STORMS SHOULD BE PREPARED TO MOVE
IMMEDIATELY TO PLACE OF SAFETY SHOULD THREATENING WEATHER APPROACH.
                                                                   .
STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL TELEVISION OR RADIO
STATION FO>R FURTHER STATEMENTS OR POSSIBLE WARNINGS.

             SEA

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 7:14 PM CDTSevere Thunderstorm WarningAMADallam, Sherman61 min
May 15, 7:20 PM CDTSevere Thunderstorm WarningAMADeaf Smith, Oldham55 min
May 15, 7:29 PM CDTTornado WarningAMADeaf Smith46 min
May 15, 7:48 PM CDTSevere Thunderstorm WarningAMAArmstrong, Randall57 min
May 15, 8:13 PM CDTSevere Thunderstorm WarningAMADeaf Smith, Oldham62 min
May 15, 8:39 PM CDTSevere Thunderstorm WarningAMAHartley, Moore, Potter66 min
May 15, 8:48 PM CDTSevere Thunderstorm WarningAMAArmstrong57 min
May 15, 9:07 PM CDTTornado WarningAMAOldham53 min
May 16, 11:23 AM CDTSevere Thunderstorm WarningAMAHansford, Sherman67 min
May 16, 12:51 PM CDTSevere Thunderstorm WarningAMAOchiltree54 min
May 16, 1:07 PM CDTTornado WarningAMADeaf Smith53 min
May 16, 1:45 PM CDTSevere Thunderstorm WarningAMALipscomb45 min
May 16, 1:51 PM CDTSevere Thunderstorm WarningAMADeaf Smith, Oldham54 min
May 16, 2:41 PM CDTTornado WarningAMAOldham49 min
May 16, 3:05 PM CDTSevere Thunderstorm WarningAMAPotter55 min
May 16, 3:18 PM CDTSevere Thunderstorm WarningAMAChildress57 min
May 16, 3:58 PM CDTSevere Thunderstorm WarningAMAPotter62 min
May 16, 4:09 PM CDTSevere Thunderstorm WarningAMACollingsworth66 min
May 16, 4:31 PM CDTSevere Thunderstorm WarningAMAWheeler59 min
May 16, 4:35 PM CDTSevere Thunderstorm WarningAMADeaf Smith, Oldham55 min
May 16, 4:57 PM CDTSevere Thunderstorm WarningAMAPotter, Randall63 min
May 16, 5:29 PM CDTSevere Thunderstorm WarningAMAWheeler61 min
May 16, 5:32 PM CDTTornado WarningAMAPotter, Randall43 min
May 16, 5:49 PM CDTSevere Thunderstorm WarningAMAPotter, Randall56 min
May 16, 6:11 PM CDTTornado WarningAMAPotter, Randall64 min
May 16, 11:13 AM CDTTornado WarningAMAQuay32 min
May 16, 12:18 PM CDTSevere Thunderstorm WarningAMAQuay57 min
May 15, 7:56 PM CDTSevere Thunderstorm WarningAMATexas64 min
May 16, 11:48 AM CDTSevere Thunderstorm WarningAMATexas57 min

Nearby

Tornado Warnings in Texas, 1989Every tornado warning in 1989Tornadoes in 1989

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.