Alert archive / Texas / Tornado Warnings in 2001

Tornado Warning 2, NWS Brownsville, TX

May 21, 2001Hidalgo County, Texas

NWS Brownsville, TX issued this tornado warning at May 21, 2001, 6:19 PM CDT for Hidalgo County, Texas. It was in force for 56 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 21, 2001, 6:19 PM CDT (23:19 UTC)
Expired
May 21, 2001, 7:15 PM CDT
In force
56 min
Issued by
NWS Brownsville, TX
Area
Whole counties

County Hidalgo County, TX

The radar

The Brownsville radar (KBRO), 93 km from the middle of the area, began a volume at 23:19 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 21, 5:15 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 12:00Z, 11.3 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 12:00Z on 2001-05-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 293 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, Brownsville Intl, TX at 12:00Z on 2001-05-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 119 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
293 J/kg
Mixed-layer CIN
-555 J/kg
Mixed-layer LCL
1480 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
119 m²/s²
0-3 km storm-relative helicity
261 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 KBRO 212320
TORBRO
TXC047-215-247-427-220015-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
619 PM CDT MON MAY 21 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN STARR COUNTY IN DEEP SOUTH TEXAS
  SOUTHEASTERN JIM HOGG COUNTY IN DEEP SOUTH TEXAS   
  SOUTHWESTERN BROOKS COUNTY IN DEEP SOUTH TEXAS   
  NORTHERN HIDALGO COUNTY IN DEEP SOUTH TEXAS

* UNTIL 715 PM CDT

* AT 619 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH A DEVELOPING TORNADO 32 MILES NORTH OF RIO
  GRANDE CITY...MOVING EAST AT 20 MPH.

* THE TORNADO WILL REMAIN OVER MAINLY RURAL AREAS OF...  
  SOUTHERN JIM HOGG...NORTHERN STARR...
  SOUTHERN BROOKS AND NORTHERN HIDALGO COUNTIES.

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...SEBEK SHELTER ON THE LOWEST FLOOR IN AN INTERIOR HALLWAY
OR CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY.

$$

LAT...LON 2693 9879 2676 9879 2671 9812 2696 9813

SPEECE

The office that day

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

IssuedProductOfficeCountiesLasted
May 20, 7:12 PM CDTSevere Thunderstorm WarningBROZapata63 min
May 21, 4:56 PM CDTSevere Thunderstorm WarningBROJim Hogg, Zapata49 min
May 21, 5:35 PM CDTSevere Thunderstorm WarningBROJim Hogg55 min
May 21, 5:40 PM CDTFlash Flood WarningBROJim Hogg3 hr
May 21, 6:00 PM CDTSevere Thunderstorm WarningBROBrooks60 min
May 21, 6:19 PM CDTTornado WarningBROBrooks, Jim Hogg, Starr56 min
May 21, 6:55 PM CDTSevere Thunderstorm WarningBROHidalgo, Starr65 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.