Alert archive / Texas / Tornado Warnings in 2000

Tornado Warning 41, NWS Houston/Galveston, TX

November 12, 2000Fort Bend County, Texas

NWS Houston/Galveston, TX issued this tornado warning at Nov 12, 2000, 7:15 PM CST for Fort Bend County, Texas. It was in force for 15 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
Nov 12, 2000, 7:15 PM CST (01:15 UTC)
Expired
Nov 12, 2000, 7:30 PM CST
In force
15 min
Issued by
NWS Houston/Galveston, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Fort Bend County, TX

The radar

The Houston radar (KHGX), 64 km from the middle of the area, began a volume at 01:15 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Nov 12, 5:00 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 1.3 hours before the alert went out and 251 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 2000-11-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2000-11-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 150 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1505 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
150 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KHGX 130123 COR
TORHOU

TXC157-130130-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
715 PM CST SUN NOV 12 2000

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

* TORNADO WARNING FOR...
  FORT BEND COUNTY IN SOUTHEAST TEXAS

* UNTIL 730 PM CST

* AT 720 PM CST...DOPPLER RADAR INDICATED A THUNDERSTORM CAPABLE OF
  PRODUCING A TORNADO JUST SOUTHEAST OF SUGAR LAND...MOVING EAST AT 
  20 TO 25 MPH.

* LOCATIONS IN THE PATH OF THE TORNADO INCLUDE...
  MISSOURI CITY...FRESNO

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 2968 9585 2949 9588 2948 9552 2963 9555

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 12, 6:00 PM CSTTornado WarningHGXFort Bend, Wharton30 min
Nov 12, 6:22 PM CSTTornado WarningHGXColorado23 min
Nov 12, 6:37 PM CSTTornado WarningHGXFort Bend38 min
Nov 12, 6:43 PM CSTTornado WarningHGXColorado, Wharton47 min
Nov 12, 7:05 PM CSTTornado WarningHGXBrazoria, Harris40 min
Nov 12, 7:43 PM CSTSevere Thunderstorm WarningHGXBrazoria, Harris47 min
Nov 12, 7:45 PM CSTSevere Thunderstorm WarningHGXFort Bend45 min
Nov 12, 8:24 PM CSTSevere Thunderstorm WarningHGXChambers, Galveston66 min
Nov 12, 8:30 PM CSTSevere Thunderstorm WarningHGXBrazoria60 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.