Alert archive / Texas / Tornado Warnings in 1989

Tornado Warning 1, NWS Houston/Galveston, TX

January 29, 1989Brazoria County, Texas

NWS Houston/Galveston, TX issued this tornado warning at Jan 29, 1989, 2:40 PM CST for Brazoria County, Texas. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Jan 29, 1989, 2:40 PM CST (20:40 UTC)
Expired
Jan 29, 1989, 3:45 PM CST
In force
65 min
Issued by
NWS Houston/Galveston, TX
Area
Whole counties

County Brazoria 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

Victoria Regiona, TX (KVCT), launched 12:00Z, 8.7 hours before the alert went out and 147 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, Victoria Regiona, TX at 12:00Z on 1989-01-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 323 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, Victoria Regiona, TX at 12:00Z on 1989-01-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 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
323 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
576 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
326 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

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.

Nearby

Tornado Warnings in Texas, 1989Every tornado warning in 1989Tornadoes 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.