Alert archive / Texas / Tornado Warnings in 2000

Tornado Warning 16, NWS Houston/Galveston, TX

May 4, 2000Liberty County, Texas

NWS Houston/Galveston, TX issued this tornado warning at May 4, 2000, 1:44 PM CDT for Liberty County, Texas. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
May 4, 2000, 1:44 PM CDT (18:44 UTC)
Expired
May 4, 2000, 2:30 PM CDT
In force
46 min
Issued by
NWS Houston/Galveston, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Liberty County, TX

The radar

The Houston radar (KHGX), 97 km from the middle of the area, began a volume at 18:46 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.

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 6.7 hours before the alert went out and 173 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 2000-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1094 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 2000-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 square meters per square second.193958Sfc1 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
1094 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
606 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.9

Open this sounding in Storm Lab

The text

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

857 
WFUS54 KHGX 041843
TORHOU
TXC291-041930-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
144 PM CDT THU MAY 4 2000

THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON TX HAS ISSUED A

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

* UNTIL 230 PM CDT

* AT 142 PM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM CAPABLE OF
  PRODUCING A TORNADO 2 MILES NORTHEAST OF PLUM GROVE...MOVING NORTHEAST
  AT 25 MPH.

* LOCATIONS IN THE PATH OF THE TORNADO INCLUDE...
  NORTH CLEVELAND
  CLEVELAND
  TARKINGTON PRAIRIE
  ROMAYOR

THIS IS A DANGEROUS SITUATION QUICK ACTION MAY SAVE YOUR LIFE. MOVE
TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. ABANDON YOUR CAR OR
MOBILE HOME NOW FOR A STRONG SHELTER. IF SHELTER IS NOT AVAILABLE...
MOVE TO A DITCH OR CULVERT AND COVER YOUR HEAD.

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 3035 9514 3018 9509 3035 9470 3048 9483

The office that day

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

IssuedProductOfficeCountiesLasted
May 4, 1:03 AM CDTSevere Thunderstorm WarningHGXHouston42 min
May 4, 1:08 PM CDTSevere Thunderstorm WarningHGXLiberty37 min
May 4, 1:25 PM CDTSevere Thunderstorm WarningHGXSan Jacinto65 min
May 4, 1:30 PM CDTFlash Flood WarningHGXLiberty, Polk, San Jacinto5 hr
May 4, 1:38 PM CDTSevere Thunderstorm WarningHGXMontgomery52 min
May 4, 2:08 PM CDTSevere Thunderstorm WarningHGXGrimes52 min
May 4, 2:24 PM CDTSevere Thunderstorm WarningHGXHarris, Liberty51 min
May 4, 3:00 PM CDTSevere Thunderstorm WarningHGXGrimes45 min
May 4, 3:15 PM CDTSevere Thunderstorm WarningHGXBurleson, Washington60 min
May 4, 3:37 PM CDTSevere Thunderstorm WarningHGXHarris53 min
May 4, 3:50 PM CDTFlash Flood WarningHGXBrazos, Grimes, Montgomery, Washington3 hr
May 4, 4:13 PM CDTSevere Thunderstorm WarningHGXWashington62 min
May 4, 4:30 PM CDTSevere Thunderstorm WarningHGXHarris45 min
May 4, 4:30 PM CDTSevere Thunderstorm WarningHGXAustin, Waller60 min
May 4, 4:57 PM CDTSevere Thunderstorm WarningHGXHouston48 min
May 4, 5:12 PM CDTSevere Thunderstorm WarningHGXColorado63 min
May 4, 5:32 PM CDTSevere Thunderstorm WarningHGXAustin43 min
May 4, 5:33 PM CDTSevere Thunderstorm WarningHGXChambers, Harris42 min
May 4, 5:36 PM CDTSevere Thunderstorm WarningHGXLiberty24 min
May 4, 5:40 PM CDTSevere Thunderstorm WarningHGXWaller50 min
May 4, 6:15 PM CDTSevere Thunderstorm WarningHGXChambers45 min
May 4, 6:35 PM CDTSevere Thunderstorm WarningHGXColorado55 min

Nearby

Tornado Warnings in Texas, 2000Every tornado warning in 2000Tornadoes in 2000

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; radar from the NEXRAD Level II archive.