Alert archive / Texas / Tornado Warnings in 2001

Tornado Warning 26, NWS Brownsville, TX

November 16, 2001Hidalgo County, Texas

NWS Brownsville, TX issued this tornado warning at Nov 16, 2001, 12:51 PM CST for Hidalgo County, Texas. It was in force for 24 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 16, 2001, 12:51 PM CST (18:51 UTC)
Expired
Nov 16, 2001, 1:15 PM CST
In force
24 min
Issued by
NWS Brownsville, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Hidalgo County, TX

The radar

The Brownsville radar (KBRO), 82 km from the middle of the area, began a volume at 18:53 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

Brownsville Intl, TX (KBRO), launched 12:00Z, 6.9 hours before the alert went out and 84 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 12:00Z on 2001-11-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1911 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 12:00Z on 2001-11-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 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
1911 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
681 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
0.7
Supercell composite
5.2

Open this sounding in Storm Lab

The text

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

896 
WFUS54 KBRO 161852
TORBRO
TXC215-161915-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1251 PM CST FRI NOV 16 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  HIDALGO COUNTY IN SOUTH CENTRAL TEXAS

* UNTIL 115 PM CST

* AT 1248 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH A DEVELOPING TORNADO NEAR HIDALGO...MOVING
  NORTHEAST AT 10 MPH.

* THE TORNADO IS EXPECTED BE NEAR...
   HIDALGO...PHARR...SAN JUAN...AND DONNA.

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.

LAT...LON 2607 9839 2594 9826 2611 9794 2635 9808

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 16, 7:50 AM CSTFlash Flood WarningBROJim Hogg, Zapata3 hr
Nov 16, 9:30 AM CSTFlash Flood WarningBROBrooks90 min
Nov 16, 10:27 AM CSTSpecial Marine WarningBRO63 min
Nov 16, 10:27 AM CSTSpecial Marine WarningBRO63 min
Nov 16, 10:51 AM CSTFlash Flood WarningBROHidalgo, Jim Hogg, Starr, Zapata99 min
Nov 16, 10:57 AM CSTSevere Thunderstorm WarningBROStarr63 min
Nov 16, 12:06 PM CSTSevere Thunderstorm WarningBROHidalgo54 min
Nov 16, 12:30 PM CSTFlash Flood WarningBROHidalgo, Starr3 hr
Nov 16, 1:12 PM CSTSevere Thunderstorm WarningBROHidalgo63 min
Nov 16, 2:47 PM CSTFlash Flood WarningBROCameron, Hidalgo, Kenedy, Willacy118 min
Nov 16, 3:01 PM CSTSevere Thunderstorm WarningBROCameron59 min
Nov 16, 3:58 PM CSTSevere Thunderstorm WarningBROCameron62 min
Nov 16, 4:20 PM CSTSpecial Marine WarningBRO55 min
Nov 16, 4:20 PM CSTSpecial Marine WarningBRO55 min
Nov 16, 4:45 PM CSTFlash Flood WarningBROCameron, Willacy60 min
Nov 16, 5:07 PM CSTSpecial Marine WarningBRO68 min
Nov 16, 5:07 PM CSTSpecial Marine WarningBRO68 min
Nov 16, 5:07 PM CSTSevere Thunderstorm WarningBROCameron53 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.