Alert archive / Texas / Tornado Warnings in 2001

Tornado Warning 20, NWS Brownsville, TX

August 31, 2001Hidalgo County, Texas

NWS Brownsville, TX issued this tornado warning at Aug 31, 2001, 9:15 PM CDT for Hidalgo County, Texas. It was in force for 45 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 31, 2001, 9:15 PM CDT (02:15 UTC)
Expired
Aug 31, 2001, 10:00 PM CDT
In force
45 min
Issued by
NWS Brownsville, TX
Area
Whole counties

County Hidalgo County, TX

What was reported inside it

TimeReportWhereRemark
Aug 31, 9:25 PM CDTThunderstorm Wind 74 ELa Joya, TXA National Weather Service storm survey confirmed that straight line winds were responsible for rolling and crushing three recreational vehicles and one mobile home. A small wood frame home was removed from it's foundation, also as a result of the straight l

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 nearest sounding before it

Brownsville Intl, TX (KBRO), launched 00:00Z, 2.3 hours before the alert went out and 96 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, Brownsville Intl, TX at 00:00Z on 2001-09-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2854 joules per kilogram.LCLEL10008507005003002001001 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, Brownsville Intl, TX at 00:00Z on 2001-09-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.1939Sfc1 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
2854 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
771 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.6

Open this sounding in Storm Lab

The text

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

693 
WFUS54 KBRO 010215
TORBRO
TXC215-010300-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
915 PM CDT FRI AUG 31 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN HIDALGO COUNTY IN DEEP SOUTH TEXAS

* UNTIL 1000 PM CDT

* AT 910 PM CDT...PALMVIEW POLICE AND NATIONAL WEATHER SERVICE 
DOPPLER RADAR WAS TRACKING A TORNADO NEAR MISSION...MOVING EAST AT 
20 MPH.

* THE TORNADO IS EXPECTED BE NEAR...
   MCALLEN BY 925 PM CDT.
   PHARR...LOPEZVILLE...EDINBURG BY 935 PM CDT.
   SAN JUAN BY 940 PM CDT.
   ALAMO BY 945 PM CDT.
   DONNA BY 955 PM CDT.
   SCISSORS BY 1000 PM CDT.

THE SAFEST PLACE TO BE DURING A TORNADO IN IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR IN AN INTERIOR HALLWAY
OR CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY.

The office that day

Everything else NWS Brownsville, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 31, 8:40 PM CDTFlash Flood WarningBROHidalgo, Starr4 hr
Aug 31, 10:01 PM CDTSevere Thunderstorm WarningBROCameron, Hidalgo89 min

Nearby

Tornado Warnings in Texas, 2001Every tornado warning in 2001Tornadoes in 2001

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.