Alert archive / Texas / Tornado Warnings in 2000

Tornado Warning 12, NWS Houston/Galveston, TX

May 2, 2000Harris County, Texas

NWS Houston/Galveston, TX issued this tornado warning at May 2, 2000, 2:36 AM CDT for Harris County, Texas. It was in force for 39 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 2, 2000, 2:36 AM CDT (07:36 UTC)
Expired
May 2, 2000, 3:15 AM CDT
In force
39 min
Issued by
NWS Houston/Galveston, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Harris County, TX

The radar

The Houston radar (KHGX), 67 km from the middle of the area, began a volume at 07:39 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 watch it was issued in

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

IssuedProductOfficeLasted
May 2, 2:00 AM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 7.6 hours before the alert went out and 222 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 2000-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 813 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 2000-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -30 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
813 J/kg
Mixed-layer CIN
-138 J/kg
Mixed-layer LCL
1335 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
-30 m²/s²
0-3 km storm-relative helicity
3 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-2.0

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KHGX 020739
TORHOU
TXC201-020815-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
236 AM CDT TUE MAY 2 2000

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

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

* UNTIL 315 AM CDT

* AT 234 AM CDT...DOPPLER RADAR INDICATED A TORNADIC THUNDERSTORM 
  8 MILES WEST OF JERSEY VILLAGE...MOVING EAST AT 35 MPH.

* LOCATIONS IN THE PATH OF THE TORNADO INCLUDE...
  JERSEY VILLAGE
  ALDINE
  BUSH-INTERCONTINENTAL AIRPORT
  HUMBLE...KINGWOOD...SHELDON...LAKE HOUSTON DAM
  THIS STORM WILL MOVE EAST ALONG THE NORTH LOOP OF BELTWAY 8

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 3001 9578 2983 9577 2982 9508 3006 9509

The office that day

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

IssuedProductOfficeCountiesLasted
May 1, 9:55 PM CDTSevere Thunderstorm WarningHGXBurleson65 min
May 1, 10:29 PM CDTSevere Thunderstorm WarningHGXBrazos46 min
May 1, 11:06 PM CDTSevere Thunderstorm WarningHGXGrimes24 min
May 1, 11:30 PM CDTSevere Thunderstorm WarningHGXMontgomery, Walker60 min
May 2, 1:22 AM CDTSevere Thunderstorm WarningHGXMontgomery, Waller68 min
May 2, 1:39 AM CDTSevere Thunderstorm WarningHGXAustin, Colorado66 min
May 2, 1:47 AM CDTTornado WarningHGXMontgomery28 min
May 2, 2:03 AM CDTTornado WarningHGXHarris, Waller42 min
May 2, 2:27 AM CDTTornado WarningHGXAustin, Fort Bend, Waller33 min
May 2, 2:44 AM CDTSevere Thunderstorm WarningHGXLiberty, San Jacinto46 min
May 2, 3:06 AM CDTSevere Thunderstorm WarningHGXBrazoria, Fort Bend54 min
May 2, 3:14 AM CDTTornado WarningHGXHarris, Liberty46 min
May 2, 3:25 AM CDTTornado WarningHGXBrazoria, Galveston65 min
May 2, 3:53 AM CDTTornado WarningHGXLiberty52 min
May 2, 4:14 AM CDTSevere Thunderstorm WarningHGXBrazoria, Matagorda46 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.