Alert archive / Texas / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 3, NWS Houston/Galveston, TX

March 28, 1989Grimes County, Montgomery County, Walker County, Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at Mar 28, 1989, 7:04 PM CST for Grimes County, Montgomery County, Walker County, Texas. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Mar 28, 1989, 7:04 PM CST (01:04 UTC)
Expired
Mar 28, 1989, 8:00 PM CST
In force
56 min
Issued by
NWS Houston/Galveston, TX
Area
Whole counties

Counties Grimes County, TX, Montgomery County, TX, Walker 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

Longview/Gregg, TX (KGGG), launched 00:00Z, 1.1 hours before the alert went out and 227 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, Longview/Gregg, TX at 00:00Z on 1989-03-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Longview/Gregg, TX at 00:00Z on 1989-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 405 square meters per square second.193958Sfc1 km3 km6 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
596 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
405 m²/s²
0-3 km storm-relative helicity
567 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Houston/Galveston, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 28, 11:24 PM CSTSevere Thunderstorm WarningHGXBrazoria51 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; the sounding from the Mesonet's radiosonde archive.