Alert archive / Texas / Tornado Warnings in 1987

Tornado Warning 29, NWS Amarillo, TX

June 2, 1987Potter County, Texas

NWS Amarillo, TX issued this tornado warning at Jun 2, 1987, 7:47 PM CDT for Potter 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: Jun 2, 1987, 7:47 PM CDT (00:47 UTC)
Expired: Jun 2, 1987, 8:45 PM CDT
In force: 58 min
Issued by: NWS Amarillo, TX
Area: Whole counties

County Potter 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

Time	Report	Where	Remark
Jun 2, 8:20 PM CDT	Tornado F0	Potter, 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, 0.8 hours before the alert went out and 26 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 782 J/kg
Mixed-layer CIN: -51 J/kg
Mixed-layer LCL: 1930 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: 112 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAMA 030049
TORAMA
TXC375-030145-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
749 PM CDT TUE JUN 2 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL  845 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN THE TEXAS PANHANDLE
          ...POTTER
 
AT 740 PM CDT A PILOT REPORTED A TORNADO ON THE GROUND 20 MILES
NORTH OF AMARILLO. AMARILLO RADAR INDICATED A POSSIBLE TORNADO
AT THE SAME LOCATION MOVING TO THE SOUTHWEST AT 20 MILES AN HOUR.
 
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.
 
DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO.  CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS.  IF YOU ARE CAUGHT IN THE PATH OF
A TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING.  IF NO
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT.
 
IF YOU LIVE IN A HOME OR APARTMENT...SEEK SHELTER IN THE
INNERMOST PORTION OF THE BUILDING ON THE LOWEST FLOOR.  GET TO
A BASEMENTK IF ONE IS AVAILABLE.  AVOID WINDOWS AND PROTECT YOUR
BODY FROM FLYING DEBRIS WITH CUSHIONS...BLANKETS...OR PILLOWS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 2, 8:40 PM CDT	Severe Thunderstorm Warning	AMA	Randall	65 min
Jun 2, 8:54 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Oldham	66 min

Nearby

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