Alert archive / Texas / Tornado Warnings in 1998

Tornado Warning 21, NWS Houston/Galveston, TX

February 10, 1998Harris County, Texas

NWS Houston/Galveston, TX issued this tornado warning at Feb 10, 1998, 12:14 PM CST for Harris County, Texas. It was in force for 61 min. 4 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 10, 1998, 12:14 PM CST (18:14 UTC)
Expired
Feb 10, 1998, 1:15 PM CST
In force
61 min
Issued by
NWS Houston/Galveston, TX
Area
Whole counties

County Harris County, TX

The radar

The Houston radar (KHGX), 52 km from the middle of the area, began a volume at 18:15 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Feb 10, 12:49 PM CSTTornado F1Baytown, TXTornado touched down on the Exxon refinery west of Decker Rd., then travelled NE for 3 miles. Damage to the Exxon cooling tower, major damage to the Days Inn on Decker Rd, numerous apartment complexes and residences in the Allen Brook Subdivision. This was o
Feb 10, 12:54 PM CSTTornado F1Baytown, TXSecond tornado touchdown just east of where the first one lifted. This tornado travelled NE for 4 miles before lifting at HWY 146 & Staples Rd. Structural damage to homes in Chapparal Village.
Feb 10, 12:55 PM CSTThunderstorm WindCrosby, TXWalton Feed Store roof blown off.
Feb 10, 12:57 PM CSTTornado F1Baytown, TXThird tornado touchdown 1.5 miles south of HWY 146 in Baytown. Billboards snapped, and damage to mobile homes at a local dealership.

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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Feb 10, 10:00 AM CSTTornado WatchSPC6 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 6.2 hours before the alert went out and 213 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, Lake Charles Mun, LA at 12:00Z on 1998-02-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 380 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lake Charles Mun, LA at 12:00Z on 1998-02-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 125 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
380 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
709 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
125 m²/s²
0-3 km storm-relative helicity
182 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KHOU 101814 RRA
TORHOU
TXC201-101915-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1214 PM CST TUE FEB 10 1998

THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON TX HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 115 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHEASTERN TEXAS

   ...EASTERN HARRIS COUNTY

AT 1212 PM CST... WEATHER RADAR INDICATED A TORNADIC
THUNDERSTORM 3 MILES SOUTHWEST OF DEER PARK MOVING NORTHEAST AT 35
MPH. DEER PARK AND BAYTOWN ARE IN THE PATH OF THIS DANGEROUS STORM.

DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO.  CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS.  IF YOU ARE CAUGHT IN THE PATH OF A
TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING.  IF NO STURDY
STRUCTURE IS NEARBY...SEEK SAFETY IN A DITCH OR LOW SPOT.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 10, 10:29 AM CSTSevere Thunderstorm WarningHGXColorado, Jackson, Wharton96 min
Feb 10, 11:20 AM CSTSevere Thunderstorm WarningHGXAustin, Fort Bend, Waller60 min
Feb 10, 11:26 AM CSTSevere Thunderstorm WarningHGXBrazoria, Fort Bend, Harris64 min
Feb 10, 11:26 AM CSTSevere Thunderstorm WarningHGXGalveston64 min
Feb 10, 11:42 AM CSTSevere Thunderstorm WarningHGXHarris, Montgomery73 min
Feb 10, 11:48 AM CSTFlash Flood WarningHGXBrazoria, Fort Bend, Harris3 hr
Feb 10, 11:51 AM CSTTornado WarningHGXFort Bend, Harris64 min
Feb 10, 12:26 PM CSTSevere Thunderstorm WarningHGXBrazoria, Chambers, Galveston64 min
Feb 10, 12:26 PM CSTSevere Thunderstorm WarningHGXLiberty64 min
Feb 10, 12:31 PM CSTSevere Thunderstorm WarningHGXSan Jacinto94 min
Feb 10, 12:49 PM CSTSevere Thunderstorm WarningHGXLiberty, Polk71 min
Feb 10, 1:05 PM CSTTornado WarningHGXChambers, Harris, Liberty65 min
Feb 10, 1:12 PM CSTSevere Thunderstorm WarningHGXTrinity63 min
Feb 10, 1:30 PM CSTSevere Thunderstorm WarningHGXBrazoria, Galveston65 min
Feb 10, 1:44 PM CSTTornado WarningHGXGalveston46 min
Feb 10, 2:15 PM CSTSevere Thunderstorm WarningHGXChambers30 min

Nearby

Tornado Warnings in Texas, 1998Every tornado warning in 1998Tornadoes in 1998

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; radar from the NEXRAD Level II archive.