Alert archive / Texas / Tornado Warnings in 2002

Tornado Warning 8, NWS Houston/Galveston, TX

March 30, 2002Liberty County, Texas

NWS Houston/Galveston, TX issued this tornado warning at Mar 30, 2002, 8:01 PM CST for Liberty County, Texas. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Mar 30, 2002, 8:01 PM CST (02:01 UTC)
Expired
Mar 30, 2002, 8:30 PM CST
In force
29 min
Issued by
NWS Houston/Galveston, TX
Area
Counties, with a storm outline in the text

County Liberty County, TX

The watch it was issued in

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

IssuedProductOfficeLasted
Mar 30, 5:30 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 2.0 hours before the alert went out and 153 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 00:00Z on 2002-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2027 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 00:00Z on 2002-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 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
2027 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
712 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
1.5
Supercell composite
6.2

Open this sounding in Storm Lab

The text

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

692 
WFUS54 KHGX 310201
TORHOU
TXC291-310230-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
800 PM CST SAT MAR 30 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  LIBERTY COUNTY IN SOUTHEAST TEXAS

* UNTIL 830 PM CST

* AT 754 PM CST...DOPPLER RADAR INDICATED A THUNDERSTORM CAPABLE OF
  PRODUCING A TORNADO 2 MILES NORTHEAST OF DAYTON LAKES...MOVING
  NORTHEAST AT 20 MPH.

* LOCATIONS IN THE PATH OF THE TORNADO INCLUDE...
  HARDIN...DAYTON LAKES...KENEFICK

LARGE HAIL IS ALSO LIKELY WITH THIS STORM.

MOVE TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. ABANDON YOUR CAR
OR MOBILE HOME FOR A STRONG SHELTER NOW

PLEASE REPORT SEVERE WEATHER TO THE COUNTY SHERIFF...LOCAL POLICE...
OR DEPARTMENT OF PUBLIC SAFETY. THEY WILL RELAY YOUR REPORT TO THE
NATIONAL WEATHER SERVICE.

LAT...LON 3020 9491 3003 9484 3017 9458 3044 9469

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 30, 6:04 PM CSTTornado WarningHGXMatagorda, Wharton41 min
Mar 30, 6:22 PM CSTSevere Thunderstorm WarningHGXPolk, Trinity38 min
Mar 30, 6:31 PM CSTSevere Thunderstorm WarningHGXHarris59 min
Mar 30, 6:33 PM CSTTornado WarningHGXPolk27 min
Mar 30, 6:48 PM CSTTornado WarningHGXBrazoria, Fort Bend, Matagorda57 min
Mar 30, 7:01 PM CSTTornado WarningHGXPolk, Trinity29 min
Mar 30, 7:23 PM CSTSevere Thunderstorm WarningHGXHarris, Liberty37 min
Mar 30, 7:39 PM CSTSevere Thunderstorm WarningHGXPolk, San Jacinto36 min
Mar 30, 7:47 PM CSTTornado WarningHGXChambers, Galveston, Harris43 min
Mar 30, 7:54 PM CSTSpecial Marine WarningHGX66 min
Mar 30, 8:32 PM CSTSevere Thunderstorm WarningHGXChambers, Liberty43 min
Mar 30, 9:08 PM CSTSpecial Marine WarningHGX67 min
Mar 30, 10:17 PM CSTSpecial Marine WarningHGX58 min
Mar 31, 3:02 AM CSTSevere Thunderstorm WarningHGXTrinity13 min

Nearby

Tornado Warnings in Texas, 2002Every tornado warning in 2002Tornadoes in 2002

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.