Alert archive / Texas / Tornado Warnings in 1989

Tornado Warning 4, NWS Midland/Odessa, TX

May 11, 1989Upton County, Texas

NWS Midland/Odessa, TX issued this tornado warning at May 11, 1989, 6:49 PM CDT for Upton County, Texas. It was in force for 41 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
May 11, 1989, 6:49 PM CDT (23:49 UTC)
Expired
May 11, 1989, 7:30 PM CDT
In force
41 min
Issued by
NWS Midland/Odessa, TX
Area
Whole counties

County Upton 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
May 11, 7:25 PM CDTHail 1Upton, 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

Midland Regional, TX (KMAF), launched 12:00Z, 11.8 hours before the alert went out and 66 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, Midland Regional, TX at 12:00Z on 1989-05-11Temperature 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, Midland Regional, TX at 12:00Z on 1989-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 253 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
26 kt
0-1 km storm-relative helicity
253 m²/s²
0-3 km storm-relative helicity
268 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 KMAF 112350
TORMAF
TXC461-120030-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIDLAND TX
649 PM CDT THU MAY 11 1989
 
THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  730 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTHWEST TEXAS
          ...UPTON
 
AT 642 PM CDT...A DELTA AIRLINES PILOT REPORTED A TORNADO...25 MILES
SOUTHWEST OF MIDLAND. RADAR INDICATES THAT THIS STORM IS MOVING TO THE
EAST...INTO UPTON COUNTY.
 
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.

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 11, 3:03 PM CDT, 3 hours 46 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MIDLAND TX
248 PM CDT THU MAY 11 1989

...A TORNADO WATCH IS IN EFFECT FOR PARTS OF WEST TEXAS INCLUDING THE
MIDLAND/ODESSA AREA UNTIL 10 PM CDT TONIGHT...

AT 225 PM CDT...A THUNDERSTORM WITH VERY HEAVY RAIN WAS 30 MILES NORTH-
WEST OF FORT DAVIS. OTHER THUNDERSTORMS AND RAINSHOWERS WERE WIDELY
SCATTERED BETWEEN FORT DAVIS AND KERMIT.
RAINSHOWERS WERE BETWEEN ABILENE AND LAMESA...AND A RAINSHOWER WAS WEST
OF WHITES CITY NEW MEXICO. NO MOVEMENT HAD BEEN DETERMINED.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO OR TV FOR LATEST DETAILS
AND POSSIBLE WARNINGS.

The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 11, 3:21 PM CDTSevere Thunderstorm WarningMAFReeves69 min
May 11, 4:34 PM CDTSevere Thunderstorm WarningMAFWard56 min
May 11, 5:02 PM CDTTornado WarningMAFPecos58 min
May 11, 5:51 PM CDTSevere Thunderstorm WarningMAFCrane69 min
May 11, 6:06 PM CDTSevere Thunderstorm WarningMAFPecos69 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.