Alert archive / Texas / Tornado Warnings in 2004

Tornado Warning 7, NWS Corpus Christi, TX

April 6, 2004Calhoun County, Victoria County, Texas

NWS Corpus Christi, TX issued this tornado warning at Apr 6, 2004, 10:55 AM CDT for Calhoun County, Victoria County, Texas. It was in force for 50 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 6, 2004, 10:55 AM CDT (15:55 UTC)
Expired
Apr 6, 2004, 11:45 AM CDT
In force
50 min
Issued by
NWS Corpus Christi, TX
Area
Counties, with a storm outline in the text

Counties Calhoun County, TX, Victoria County, TX

The radar

The Corpus Christi radar (KCRP), 111 km from the middle of the area, began a volume at 15:57 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.

What was reported inside it

TimeReportWhereRemark
Apr 6, 11:25 AM CDTTORNADO5 N Tivoli, TXTRAINED SPOTTER REPORTED A TORNADO ON THE GROUND 5 MILES NORTH OF TIVOLI.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 6, 7:55 AM CDTTornado WatchSPC5 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 3.9 hours before the alert went out and 107 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, Corpus Christi, TX at 12:00Z on 2004-04-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1044 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, Corpus Christi, TX at 12:00Z on 2004-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 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
1044 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
598 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
224 m²/s²
Significant tornado parameter
1.1
Supercell composite
9.2

Open this sounding in Storm Lab

The text

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

735 
WFUS54 KCRP 061555
TORCRP
TXC057-469-061645-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1054 AM CDT TUE APR 6 2004

THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN CALHOUN COUNTY IN TEXAS
  SOUTHEASTERN VICTORIA COUNTY IN TEXAS

* UNTIL 1145 AM CDT

* AT 1052 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 7 MILES SOUTH OF BLOOMINGTON...OR ABOUT 16 MILES
  NORTHWEST OF SEADRIFT...MOVING EAST AT 25 MPH.  THIS TORNADO
  REPLACES THE PREVIOUS SEVERE THUNDERSTORM WARNING.

* THE TORNADO IS EXPECTED TO BE NEAR...
  6 MILES SOUTH OF KAMAY AROUND 1115 AM CDT...
  6 MILES SOUTH OF PORT LAVACA AROUND 1130 AM CDT...

THIS IS A DANGEROUS STORM. MOVE INTO YOUR TORNADO SHELTER NOW

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 PM CDT TUESDAY AFTERNOON 
FOR TEXAS.

LAT...LON 2863 9701 2849 9694 2847 9658 2869 9662

$$

MB

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 6, 8:15 AM CDTFlash Flood WarningCRPBee, Goliad2 hr
Apr 6, 8:53 AM CDTTornado WarningCRPBee, Goliad37 min
Apr 6, 9:30 AM CDTTornado WarningCRPGoliad30 min
Apr 6, 9:44 AM CDTSpecial Marine WarningCRP2 hr
Apr 6, 10:00 AM CDTTornado WarningCRPGoliad, Refugio, Victoria45 min
Apr 6, 10:07 AM CDTSevere Thunderstorm WarningCRPNueces, San Patricio53 min
Apr 6, 10:09 AM CDTFlash Flood WarningCRPGoliad, Refugio, Victoria3 hr
Apr 6, 10:22 AM CDTSevere Thunderstorm WarningCRPJim Wells, Kleberg53 min
Apr 6, 10:23 AM CDTFlash Flood WarningCRPNueces, San Patricio2 hr
Apr 6, 10:27 AM CDTTornado WarningCRPKleberg, Nueces48 min
Apr 6, 10:46 AM CDTSevere Thunderstorm WarningCRPCalhoun, Refugio, Victoria59 min
Apr 6, 10:58 AM CDTFlash Flood WarningCRPCalhoun2 hr
Apr 6, 11:05 AM CDTTornado WarningCRPNueces40 min
Apr 6, 11:10 AM CDTSevere Thunderstorm WarningCRPRefugio, San Patricio65 min
Apr 6, 11:16 AM CDTTornado WarningCRPNueces44 min
Apr 6, 11:38 AM CDTSpecial Marine WarningCRP2 hr
Apr 6, 11:44 AM CDTTornado WarningCRPCalhoun61 min
Apr 6, 12:14 PM CDTSevere Thunderstorm WarningCRPCalhoun21 min
Apr 6, 2:37 PM CDTSpecial Marine WarningCRP83 min
Apr 6, 4:39 PM CDTSpecial Marine WarningCRP66 min

Nearby

Tornado Warnings in Texas, 2004Every tornado warning in 2004Tornadoes in 2004

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.