Alert archive / Texas / Tornado Warnings in 2000

Tornado Warning 38, NWS Houston/Galveston, TX

November 12, 2000Fort Bend County, Texas

NWS Houston/Galveston, TX issued this tornado warning at Nov 12, 2000, 6:37 PM CST for Fort Bend County, Texas. It was in force for 38 min. 2 reports came from 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, with what was reported inside it.

The facts

Issued: Nov 12, 2000, 6:37 PM CST (00:37 UTC)
Expired: Nov 12, 2000, 7:15 PM CST
In force: 38 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 00:40 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

Time	Report	Where	Remark
Nov 12, 6:45 PM CST	Thunderstorm Wind	Sugarland, TX	Damage to an RV park at US 59 and Crabb River Road. Power lines down at US 59 and Ranson Road. Several trailers knocked over with signs, fences, and awnings blown down.
Nov 12, 6:57 PM CST	Hail 0.75	Sugarland, TX	Hail at Sugar Land Airport.

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.

Issued	Product	Office	Lasted
Nov 12, 5:00 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 0.6 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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 130037
TORHOU

TXC157-130115-

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

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

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

* UNTIL 715 PM CST

* AT 635 PM CST...DOPPLER RADAR INDICATED A THUNDERSTORM CAPABLE OF
  PRODUCING A TORNADO OVER RICHMOND...MOVING EAST AT 25 MPH.

* LOCATIONS IN THE PATH OF THE TORNADO INCLUDE...
  FIRST COLONY...SUGAR LAND...THOMPSONS
  MISSOURI CITY...STAFFORD

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.

Issued	Product	Office	Counties	Lasted
Nov 12, 6:00 PM CST	Tornado Warning	HGX	Fort Bend, Wharton	30 min
Nov 12, 6:22 PM CST	Tornado Warning	HGX	Colorado	23 min
Nov 12, 6:43 PM CST	Tornado Warning	HGX	Colorado, Wharton	47 min
Nov 12, 7:05 PM CST	Tornado Warning	HGX	Brazoria, Harris	40 min
Nov 12, 7:15 PM CST	Tornado Warning	HGX	Fort Bend	15 min
Nov 12, 7:43 PM CST	Severe Thunderstorm Warning	HGX	Brazoria, Harris	47 min
Nov 12, 7:45 PM CST	Severe Thunderstorm Warning	HGX	Fort Bend	45 min
Nov 12, 8:24 PM CST	Severe Thunderstorm Warning	HGX	Chambers, Galveston	66 min
Nov 12, 8:30 PM CST	Severe Thunderstorm Warning	HGX	Brazoria	60 min

Nearby

Tornado Warnings in Texas, 2000 Every tornado warning in 2000 Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.