Alert archive / Texas / Flash Flood Warnings in 1989

Flash Flood Warning 14, NWS Amarillo, TX

August 6, 1989Hall County, Texas

NWS Amarillo, TX issued this flash flood warning at Aug 6, 1989, 10:59 PM CDT for Hall County, Texas. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Aug 6, 1989, 10:59 PM CDT (03:59 UTC)
Expired
Aug 7, 1989, 1:00 AM CDT
In force
2 hr
Issued by
NWS Amarillo, TX
Area
Whole counties

County Hall County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 4.0 hours before the alert went out and 121 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.

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, 8:37 PM CDTSevere Thunderstorm WarningAMAGray68 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 CDTSevere Thunderstorm WarningAMAHall2 hr

Nearby

Flash Flood Warnings in Texas, 1989Every flash flood 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; the sounding from the Mesonet's radiosonde archive.