Alert archive / Texas / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 232, NWS Amarillo, TX

August 6, 1989Gray County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Aug 6, 1989, 8:37 PM CDT for Gray County, Texas. It was in force for 68 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
Aug 6, 1989, 8:37 PM CDT (01:37 UTC)
Expired
Aug 6, 1989, 9:45 PM CDT
In force
68 min
Issued by
NWS Amarillo, TX
Area
Whole counties

County Gray 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
Aug 6, 8:50 PM CDTHail 1.75Gray, 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, 1.6 hours before the alert went out and 83 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 1989-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1088 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 00:00Z on 1989-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.1939Sfc1 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
1088 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
1505 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.3

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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

Special weather statement, Aug 6, 4:22 PM CDT, 4 hours 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
423 PM CDT SUN AUG 6 1989

...THUNDERSTORM MOVING THROUGH THE CENTRAL TEXAS PANHANDLE WITH SOME
   SMALL HAIL AND GUSTY WINDS THIS AFTERNOON...

AT 420 PM CDT...A THUNDERSTORM WITH HEAVY RAIN AND SMALL HAIL WAS MOVING
SLOWLY THROUGH RANDALL COUNTY.  THE STORM WAS JUST EAST OF BUFFALO LAKE
OR ABOUT 8 MILES SOUTH OF CANYON.  THIS STORM PRODUCED PEA TO MARBLE SIZE
HAIL JUST BEFORE 4PM WHEN IT WAS BETWEEN CANYON AND AMARILLO.  STRONG
GUSTY WINDS WERE ALSO REPORTED BY THE PUBLIC.

THIS STORM IS MOVING TO THE SOUTHWEST AT ABOUT 10 MILES AN HOUR.

STAY TUNED TO NOAA WEATHER RADIO OR LOCAL RADIO/TV STATIONS FOR FURTHER
UPDATES.

TWG

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 7:12 PM CDTSevere Thunderstorm WarningAMAHansford63 min
Aug 6, 7:29 PM CDTSevere Thunderstorm WarningAMAHartley61 min
Aug 6, 7:34 PM CDTSevere Thunderstorm WarningAMAHutchinson56 min
Aug 6, 8:10 PM CDTSevere Thunderstorm WarningAMACarson65 min
Aug 6, 8:27 PM CDTSevere Thunderstorm WarningAMAPotter63 min
Aug 6, 8:29 PM CDTSevere Thunderstorm WarningAMADonley, Gray61 min
Aug 6, 8:37 PM CDTSevere Thunderstorm WarningAMAOldham68 min
Aug 6, 9:01 PM CDTSevere Thunderstorm WarningAMADeaf Smith, Randall59 min
Aug 6, 9:01 PM CDTSevere Thunderstorm WarningAMAArmstrong, Donley59 min
Aug 6, 9:50 PM CDTFlash Flood WarningAMARandall115 min
Aug 6, 10:01 PM CDTSevere Thunderstorm WarningAMACastro, Parmer, Swisher59 min
Aug 6, 10:01 PM CDTSevere Thunderstorm WarningAMABriscoe59 min
Aug 6, 10:59 PM CDTFlash Flood WarningAMAHall2 hr
Aug 6, 10:59 PM CDTSevere Thunderstorm WarningAMAHall2 hr

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.