Alert archive / Texas / Tornado Warnings in 1993

Tornado Warning 1, NWS Houston/Galveston, TX

February 25, 1993Brazoria County, Harris County, Texas

NWS Houston/Galveston, TX issued this tornado warning at Feb 25, 1993, 11:44 AM CST for Brazoria County, Harris County, Texas. It was in force for 36 min. 2 reports 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
Feb 25, 1993, 11:44 AM CST (17:44 UTC)
Expired
Feb 25, 1993, 12:20 PM CST
In force
36 min
Issued by
NWS Houston/Galveston, TX
Area
Whole counties

Counties Brazoria County, TX, Harris County, TX

What was reported inside it

TimeReportWhereRemark
Feb 25, 11:45 AM CSTTornado F0Pearland, TXThe public reported a tornado near the grade school at South Downs and Highway 288.
Feb 25, 12:10 PM CSTTornado F0Clear Lake, TXFour garages were destroyed. Roof damage to several homes and one apartment complex two blocks east of Bay Area Blvd and Diana Lane in Clear Lake.

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

Corpus Christi, TX (KCRP), launched 12:00Z, 5.7 hours before the alert went out and 273 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, Corpus Christi, TX at 12:00Z on 1993-02-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 354 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, Corpus Christi, TX at 12:00Z on 1993-02-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 292 square meters per square second.1939587897117Sfc1 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
354 J/kg
Mixed-layer CIN
-37 J/kg
Mixed-layer LCL
617 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
292 m²/s²
0-3 km storm-relative helicity
294 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.4

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, 1993Every tornado warning in 1993Tornadoes in 1993

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.