Alert archive / Texas / Tornado Warnings in 1990

Tornado Warning 35, NWS Amarillo, TX

June 21, 1990Ochiltree County, Texas

NWS Amarillo, TX issued this tornado warning at Jun 21, 1990, 4:29 PM CDT for Ochiltree County, Texas. It was in force for 31 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
Jun 21, 1990, 4:29 PM CDT (21:29 UTC)
Expired
Jun 21, 1990, 5:00 PM CDT
In force
31 min
Issued by
NWS Amarillo, TX
Area
Whole counties

County Ochiltree 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
Jun 21, 4:50 PM CDTThunderstorm Wind 55Ochiltree, 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 12:00Z, 9.5 hours before the alert went out and 141 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 12:00Z on 1990-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 758 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 1990-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 208 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
758 J/kg
Mixed-layer CIN
-228 J/kg
Mixed-layer LCL
1580 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
208 m²/s²
0-3 km storm-relative helicity
252 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAMA 212130
TORAMA
TXC357-212200-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
429 PM CDT THU JUN 21 1990
 
THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  500 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN THE TEXAS PANHANDLE
          ...OCHILTREE
 
AT 428 PM CDT..RADAR AND SPOTTERS REPORT A POSSIBLE TORNADO IN
OCHILTREE COUNTY..11 MILES EAST OF PERRYTON. ANOTHER SEVERE
THUNDERSTORM WAS LOCATED 15 MILES SOUTHEAST OF FARNSWORTH. MOVEMENT
WAS EAST SOUTHEAST AT 20 MPH.
 
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.
SC

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, Jun 21, 10:46 AM CDT, 5 hours 43 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-009-014-021-
KSZ003-006- 211645

SEVERE WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE AMARILLO TX
 1045 AM CDT THU JUN 21 1990

 ...STRONG THUNDERSTORMS BUILDING IN NORTHEAST NEW MEXICO...

AT 1035 AM CDT...NATIONAL WEATHER SERVICE RADARS WERE INDICATING TWO
STRONG THUNDERSTORMS IN NORTHEAST NEW MEXICO...ONE NEAR GRADY AND THE
OTHER BY BROADVIEW.  THESE STORMS WILL PRODUCE STRONG WINDS...SOME
HAIL AND BRIEF PERIODS OF HEAVY RAIN.

PEOPLE IN AND AROUND THESE STORMS SHOULD BE AWARE OF THIS WEATHER
SITUATION.

                                                                           [

                                                                           ]
Special weather statement, Jun 21, 10:47 AM CDT, 5 hours 42 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-009-014-021-
KSZ003-006-211645

SEVERE WEATHER STATEMENT AND RADAR SUMMARY...CORRECTION...
NATIONAL WEATHER SERVICE AMARILLO TX
1045 AM CDT THU JUN 21 1990

...STRONG THUNDERSTORMS BUILDING IN NORTHEAST NEW MEXICO...

AT 1035 AM CDT...NATIONAL WEATHER SERVICE RADARS WERE INDICATING TWO
STRONG THUNDERSTORMS IN NORTHEAST NEW MEXICO...ONE NEAR GRADY AND THE
OTHER BY BROADVIEW.  THESE STORMS WILL PRODUCE STRONG WINDS...SOME
HAIL AND BRIEF PERIODS OF HEAVY RAIN.

PEOPLE IN AND AROUND THESE STORMS SHOULD BE AWARE OF THIS WEATHER
SITUATION.
Special weather statement, Jun 21, 10:53 AM CDT, 5 hours 36 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-009-014-021-
KSZ003-006-211645

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTION...
NATIONAL WEATHER SERVICE AMARILLO TX
1045 AM CDT THU JUN 21 1990

...STRONG THUNDERSTORMS BUILDING IN NORTHEAST NEW MEXICO...

AT 1035 AM CDT...NATIONAL WEATHER SERVICE RADARS WERE INDICATING TWO
STRONG THUNDERSTORMS IN NORTHEAST NEW MEXICO...ONE NEAR GRADY AND THE
OTHER BY BROADVIEW.  THESE STORMS WILL PRODUCE STRONG WINDS...SOME
HAIL AND BRIEF PERIODS OF HEAVY RAIN.

PEOPLE IN AND AROUND THESE STORMS SHOULD BE AWARE OF THIS WEATHER
SITUATION.
Local storm report, Jun 21, 11:36 AM CDT, 4 hours 53 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO, TX
1134 AM CDT THU JUN 21 1990

STORM REPORT FOR JUNE 21 1990

1010 MDT..NICKEL SIZE HAIL AT THE PORT OF ENTRY STATION NEAR SAN JON
          .).REPORTED BY PORT OF ENTRY EMPLOYEE

SC
Special weather statement, Jun 21, 12:42 PM CDT, 3 hours 47 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-009-014-021-
KSZ003-006-211845-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE AMARILLO TX
1240 PM CDT THU JUN 21 1990

...STRONG THUNDERSTORMS CONTINUE INTO THE WESTRN TEXAS PANHANDLE...

AT 1235 PM CDT...NATIONAL WEATHER SERVICE RADARS WERE INDICATING TWO
STRONG THUNDERSTORMS IN DEAF SMITH COUNTY IN THE WESTERN TEXAS PANHANDLE.
ONE LOCATED 8 MILES WEST AND THE OTHER 20 MILES NrORTHWEST OF HEREFORD.
THESE STORMS CAN PRODUCE HAIL...STRONG WINDS AND DANGEROUS LIGHTNING.
BRIEF PERIODS OF HEAVY RAIN CAN ALSO BE EXPECTED.

PEOPLE IN AND AROUND THESE STORMS SHOULD BE AWARE OF THIS STORM
SITUATION.
Special weather statement, Jun 21, 12:46 PM CDT, 3 hours 43 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-009-014-021-
KSZ003-006-211845-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTION...
NATIONAL WEATHER SERVICE AMARILLO TX
1245 PM CDT THU JUN 21 1990

...STRONG THUNDERSTORMS CONTINUE INTO THE WESTRN TEXAS PANHANDLE...

AT 1235 PM CDT...NATIONAL WEATHER SERVICE RADARS WERE INDICATING TWO
STRONG THUNDERSTORMS IN DEAF SMITH COUNTY IN THE WESTERN TEXAS PANHANDLE.
ONE LOCATED 8 MILES WEST AND THE OTHER 20 MILES NORTHWEST OF HEREFORD.
THESE STORMS CAN PRODUCE HAIL...STRONG WINDS AND DANGEROUS LIGHTNING.
BRIEF PERIODS OF HEAVY RAIN CAN ALSO BE EXPECTED.  MOVEMENT WAS NORTH-
EAST AT 20 MILES AN HOUR.

PEOPLE IN THESE AREAS SHOULD BE AWAREu OF THIS SITUATION.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 12:50 PM CDTSevere Thunderstorm WarningAMAOldham55 min
Jun 21, 1:56 PM CDTSevere Thunderstorm WarningAMADeaf Smith, Randall64 min
Jun 21, 4:08 PM CDTSevere Thunderstorm WarningAMARoberts67 min
Jun 21, 5:02 PM CDTSevere Thunderstorm WarningAMAHansford, Moore58 min
Jun 21, 5:29 PM CDTSevere Thunderstorm WarningAMAHemphill61 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.