Alert archive / Texas / Tornado Warnings in 1987

Tornado Warning 13, NWS Amarillo, TX

May 25, 1987Armstrong County, Texas

NWS Amarillo, TX issued this tornado warning at May 25, 1987, 7:32 PM CDT for Armstrong County, Texas. It was in force for 58 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 25, 1987, 7:32 PM CDT (00:32 UTC)
Expired
May 25, 1987, 8:30 PM CDT
In force
58 min
Issued by
NWS Amarillo, TX
Area
Whole counties

County Armstrong 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 25, 7:35 PM CDTTornado F2Armstrong, 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, 0.5 hours before the alert went out and 43 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 1987-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 962 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 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 1987-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 square meters per square second.19395878Sfc1 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
962 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
1465 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
178 m²/s²
Significant tornado parameter
0.3
Supercell composite
5.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAMA 260032 RRA
TORAMA
TXC011-260130-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
732 PM CDT MON MAY 25 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL  830 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN THE TEXAS PANHANDLE
          ...ARMSTRONG
 
AT 734PM CDT THE TEXAS DPS REPORTED A TORNADO JUST NORTHEAST OF PALO
DURO STATE PARK. AND AT 733 SPOTTERS IN CLAUDE REPORTED THE  TORNADO
THIS STORM IS MOVING NORTHEAST AT 15 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.

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 7:00 PM CDTTornado WarningAMACastro, Swisher60 min
May 25, 7:03 PM CDTSevere Thunderstorm WarningAMARandall57 min
May 25, 7:44 PM CDTTornado WarningAMAHansford61 min
May 25, 7:47 PM CDTSevere Thunderstorm WarningAMAOchiltree58 min
May 25, 7:52 PM CDTTornado WarningAMARandall68 min
May 25, 8:23 PM CDTSevere Thunderstorm WarningAMASwisher67 min
May 25, 8:40 PM CDTTornado WarningAMAOchiltree65 min
May 25, 8:50 PM CDTTornado WarningAMAHansford55 min
May 25, 9:01 PM CDTSevere Thunderstorm WarningAMARandall59 min
May 25, 9:45 PM CDTTornado WarningAMARandall60 min
May 25, 10:15 PM CDTTornado WarningAMAArmstrong60 min
May 25, 10:36 PM CDTTornado WarningAMAPotter54 min
May 26, 12:06 PM CDTFlash Flood WarningAMARandall4 hr
May 26, 12:23 PM CDTTornado WarningAMADeaf Smith67 min
May 26, 4:10 PM CDTFlash Flood WarningAMARandall4 hr

Nearby

Tornado Warnings in Texas, 1987Every tornado warning in 1987Tornadoes in 1987

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.