Alert archive / Texas / Tornado Warnings in 2008

Tornado Warning 5, NWS Brownsville, TX

July 23, 2008Cameron County, Hidalgo County, Willacy County, Texas

NWS Brownsville, TX issued this tornado warning at Jul 23, 2008, 7:10 AM CDT for Cameron County, Hidalgo County, Willacy County, Texas. It was in force for 17 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 23, 2008, 7:10 AM CDT (12:10 UTC)
Expired
Jul 23, 2008, 7:27 AM CDT
In force
17 min
Issued by
NWS Brownsville, TX
Area
Storm-based polygon

Counties Cameron County, TX, Hidalgo County, TX, Willacy County, TX

The radar

The Brownsville radar (KBRO), 64 km from the middle of the area, began a volume at 12:11 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
Jul 22, 10:27 PM CDTTornado WatchSPC11 hr

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 12:00Z, 0.2 hours before the alert went out and 66 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 2008-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 211 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 2008-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 200 square meters per square second.19395878Sfc1 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
211 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
648 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
200 m²/s²
0-3 km storm-relative helicity
210 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KBRO 231211
TORBRO
TXC061-215-489-231245-
/O.NEW.KBRO.TO.W.0005.080723T1210Z-080723T1245Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
710 AM CDT WED JUL 23 2008

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN CAMERON COUNTY IN DEEP SOUTH TEXAS.
  EASTERN HIDALGO COUNTY IN DEEP SOUTH TEXAS.
  WILLACY COUNTY IN DEEP SOUTH TEXAS.

* UNTIL 745 AM CDT

* AT 710 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 33 MILES NORTHEAST OF EDCOUCH...MOVING SOUTHWEST AT 46 MPH.

* THE TORNADO WILL BE NEAR...
  WILLAMAR BY 715 AM CDT.
  PORFIRIO BY 720 AM CDT.
  LYFORD BY 730 AM CDT.
  SEBASTIAN BY 735 AM CDT.
  SANTA ROSA BY 740 AM CDT.
  LA VILLA BY 745 AM CDT.

PLEASE REPORT TORNADOES OR FUNNEL CLOUDS...WINDS OF 58 MPH OR
HIGHER...HAIL THE SIZE OF PENNIES OR LARGER...AND ANY WIND DAMAGE TO
YOUR NATIONAL WEATHER SERVICE IN BROWNSVILLE BY CALLING 956-504-1432.

&&

LAT...LON 2628 9800 2661 9760 2660 9759 2660 9751
      2652 9741 2612 9782
TIME...MOT...LOC 1210Z 045DEG 40KT 2651 9756

$$

TOMASELLI
1 follow-up statement
000 
WWUS54 KBRO 231227
SVSBRO

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
726 AM CDT WED JUL 23 2008

TXC061-215-489-231236-
/O.CAN.KBRO.TO.W.0005.000000T0000Z-080723T1245Z/
HIDALGO-WILLACY-CAMERON-
726 AM CDT WED JUL 23 2008

...THE TORNADO WARNING FOR NORTHWESTERN CAMERON...WILLACY AND EASTERN
HIDALGO COUNTIES IS CANCELLED...

AT 726 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE
TORNADO THAT PROMPTED THE WARNING HAD DISSIPATED...THUS THE WARNING
HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING. 

&&

LAT...LON 2628 9800 2661 9760 2660 9759 2660 9751
      2652 9741 2612 9782
TIME...MOT...LOC 1226Z 045DEG 40KT 2638 9770

$$

TOMASELLI

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 7:51 PM CDTMarine Weather StatementBRO3 hr
Jul 22, 10:03 PM CDTTornado WarningBROCameron18 min
Jul 22, 11:14 PM CDTTornado WarningBROCameron16 min
Jul 22, 11:30 PM CDTTornado WarningBROCameron15 min
Jul 23, 6:45 AM CDTTornado WarningBROCameron, Hidalgo, Willacy30 min
Jul 23, 7:43 AM CDTAreal Flood WarningBROKenedy, Willacy3 hr
Jul 23, 8:21 AM CDTAreal Flood WarningBROCameron3 hr
Jul 23, 11:30 AM CDTAreal Flood AdvisoryBROCameron, Willacy2 hr
Jul 23, 12:47 PM CDTFlash Flood WarningBROCameron3 hr
Jul 23, 2:02 PM CDTFlash Flood WarningBROCameron, Willacy3 hr
Jul 23, 3:46 PM CDTAreal Flood AdvisoryBROBrooks, Cameron, Hidalgo, Kenedy, Starr, Willacy3 hr
Jul 23, 4:19 PM CDTFlash Flood WarningBROCameron, Hidalgo, Willacy116 min

Nearby

Tornado Warnings in Texas, 2008Every tornado warning in 2008Tornadoes in 2008

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.