Alert archive / Texas / Tornado Warnings in 2001

Tornado Warning 22, NWS Brownsville, TX

September 9, 2001Kenedy County, Texas

NWS Brownsville, TX issued this tornado warning at Sep 9, 2001, 4:25 PM CDT for Kenedy County, Texas. It was in force for 65 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
Sep 9, 2001, 4:25 PM CDT (21:25 UTC)
Expired
Sep 9, 2001, 5:30 PM CDT
In force
65 min
Issued by
NWS Brownsville, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Kenedy County, TX

The radar

The Brownsville radar (KBRO), 95 km from the middle of the area, began a volume at 21:25 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, 9.4 hours before the alert went out and 98 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 2001-09-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2923 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 2001-09-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -20 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
2923 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
654 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
-20 m²/s²
0-3 km storm-relative helicity
23 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.

730 
WFUS54 KBRO 092129
TORBRO
TXC261-092230-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
425 PM CDT SUN SEP 9 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN KENEDY COUNTY IN DEEP SOUTH TEXAS
  
* UNTIL 530 PM CDT

* AT 420 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
  SEVERE THUNDERSTORM WITH A DEVELOPING TORNADO 12 MILES NORTHWEST OF
  RAYMONDVILLE...MOVING SOUTH AT 15 MPH.

* THE TORNADO IS EXPECTED TO MOVE NEAR HIGHWAY 77 ALONG THE KENEDY
  AND WILLACY COUNTY LINE.
   

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.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 2677 9777 2677 9835 2627 9859 2609 9792

MILLER

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 9, 3:01 PM CDTFlash Flood WarningBROKenedy3 hr
Sep 9, 3:01 PM CDTFlash Flood WarningBROKenedy3 hr
Sep 9, 3:22 PM CDTSevere Thunderstorm WarningBROKenedy38 min
Sep 9, 3:58 PM CDTSevere Thunderstorm WarningBROBrooks, Hidalgo, Kenedy, Willacy62 min
Sep 9, 4:16 PM CDTTornado WarningBROWillacy44 min
Sep 9, 5:00 PM CDTTornado WarningBROCameron, Hidalgo, Willacy60 min
Sep 9, 5:41 PM CDTFlash Flood WarningBROKenedy, Willacy3 hr
Sep 9, 6:11 PM CDTFlash Flood WarningBROHidalgo, Kenedy, Willacy3 hr
Sep 9, 6:16 PM CDTTornado WarningBROCameron29 min
Sep 9, 6:50 PM CDTTornado WarningBROCameron40 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.