Alert archive / Texas / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 252, NWS Amarillo, TX

September 8, 1989Collingsworth County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Sep 8, 1989, 5:29 PM CDT for Collingsworth County, Texas. It was in force for 46 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
Sep 8, 1989, 5:29 PM CDT (22:29 UTC)
Expired
Sep 8, 1989, 6:15 PM CDT
In force
46 min
Issued by
NWS Amarillo, TX
Area
Whole counties

County Collingsworth 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
Sep 8, 5:32 PM CDTThunderstorm Wind 57Collingsworth, 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, 10.5 hours before the alert went out and 133 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 1989-09-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 532 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 1989-09-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -66 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
532 J/kg
Mixed-layer CIN
-129 J/kg
Mixed-layer LCL
1298 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-66 m²/s²
0-3 km storm-relative helicity
42 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 KAMA 082231
SVRAMA
TXC087-082315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
529 PM CDT FRI SEP 8 1989
 
THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  615 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN THE TEXAS PANHANDLE
          ...EASTERN COLLINGSWORTH
 
AT 527 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM IN EASTERN
COLLINGSWORTH COUNTY..10 MILES NORTH NORTHEAST OF WELLINGTON. THIS
THUNDERSTORM WILL LIKELY PRODUCE NICKEL SIZE HAIL OR LARGER ALONG WITH
GUSTY WINDS AS IT MOVES EASTWARD AT 20 MPH.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAITL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

What forecasters said that day

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

In the hours before

Local storm report, Sep 8, 4:30 PM CDT, 59 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO, TX
427 PM CDT FRI SEP 08 1989

STORM REPORT FOR AFTERNOON OF SEPTEMBER 8, 1989

1440 CST..NICKEL SIZE HAIL NEAR HOWARDWICK..NORTH OF CLARENDON IN NORTHERN
     DONLEY COUNTY..RPTD BY DONLEY SO

1450 CST..WIND GUSTS TO 60 MPH AT GREENBELT LAKE MARINA..NEAR HOWARDWICK
     ..RPTD BY MARINA PERSONNEL

WSO..AMA
SC

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 8, 3:43 PM CDTSevere Thunderstorm WarningAMADonley, Gray62 min

Nearby

Severe Thunderstorm Warnings in Texas, 1989Every severe thunderstorm warning 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.