Alert archive / Texas / Tornado Warnings in 2004

Tornado Warning 10, NWS Corpus Christi, TX

April 6, 2004Calhoun County, Texas

NWS Corpus Christi, TX issued this tornado warning at Apr 6, 2004, 11:44 AM CDT for Calhoun County, Texas. It was in force for 61 min. 3 reports 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, 11:44 AM CDT (16:44 UTC)
Expired
Apr 6, 2004, 12:45 PM CDT
In force
61 min
Issued by
NWS Corpus Christi, TX
Area
Counties, with a storm outline in the text

County Calhoun County, TX

The radar

The Corpus Christi radar (KCRP), 117 km from the middle of the area, began a volume at 16:47 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, 11:45 AM CDTTSTM WND DMGLong Mott, TXTRAINED SPOTTER REPORTED TREES AND POWER LINES DOWN IN LONG MOTT. ROOF REMOVED FROM BARN ALONG HIGHWAY 185.
Apr 6, 11:45 AM CDTTSTM WND DMGLong Mott, TXOFFICE TRAILER OVERTURNED IN LONG MOTT AT THE DOW CHEMICAL PLANT.
Apr 6, 11:45 AM CDTTSTM WND GST 70Long Mott, TX70 MPH WIND GUSTS REPORTED BY DOW CHEMICAL PLANT IN LONG MOTT.

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

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this tornado warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

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
Apr 6, 11:05 AM CDTTornado WatchSPC5 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 4.7 hours before the alert went out and 110 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°0°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.

913 
WFUS54 KCRP 061644
TORCRP
TXC057-061745-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1142 AM CDT TUE APR 6 2004

THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A

* TORNADO WARNING FOR...
  CALHOUN COUNTY IN TEXAS
  
* UNTIL 1245 PM CDT

* AT 1137 AM CDT...DOPPLER RADAR AND PREVIOUS SPOTTER REPORTS 
  INDICATE A TORNADO OVER LONG MOTT...OR ABOUT 8 MILES NORTHWEST
  OF SEADRIFT...MOVING EAST AT 15 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  7 MILES NORTH OF SEADRIFT AROUND 1150 AM CDT...
  OVER INDIANOLA...2 MILES SOUTH OF MAGNOLIA BEACH AROUND 1235 PM
  CDT...
  5 MILES NORTHWEST OF PORT OCONNOR AROUND 1245 PM CDT...

A LARGE AND DESTRUCTIVE TORNADO IS ON THE GROUND  THIS IS A VERY 
DANGEROUS STORM  ALL RESIDENTS IN CALHOUN COUNTY SHOULD TAKE 
COVER NOW  

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 PM CDT TUESDAY AFTERNOON
FOR TEXAS. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 400 PM CDT
TUESDAY AFTERNOON FOR TEXAS.

LAT...LON 2856 9684 2838 9684 2835 9632 2862 9633

$$

MB

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Corpus Christi, TX wrote its last area forecast discussion before this tornado warning went out at Apr 6, 11:08 AM CDT, 36 minutes earlier.

Area forecast discussion, Apr 6, 11:08 AM CDT, 36 minutes before
SOUTH TEXAS FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1108 AM CDT TUE APR 6 2004

.UPDATE...IN ADDITION TO RECENT UPDATES DISCUSSED...WL ADJUST THE
FFA AND PLACE IT OVER THE ERN CWFA UNTIL 21Z. WL ALSO UPDATE THE
FCST TO PLACE THE NEW TORNADO WATCH.

&&

.CRP WATCHES/WARNINGS/ADVISORIES...FLASH FLOOD WATCH UNTIL 21Z
                                   TXZ231>234-242>247
                                   TORNADO WATCH UNTIL 21Z
                                   TXZ231>234-241>247
                                   SCA FOR OFFSHORE WATERS.
&&

87/SHORT-TERM
Hazardous weather outlook, Apr 6, 8:10 AM CDT, 3 hours 34 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
810 AM CDT TUE APR 6 2004

GMZ230-235-250-255-270-275-TXZ229>234-239>247-071100-
ARANSAS-BAYS AND WATERWAYS FROM BAFFIN BAY TO PORT ARANSAS-
BAYS AND WATERWAYS FROM PORT ARANSAS TO PORT OCONNOR-BEE-CALHOUN-
COASTAL WATERS BAFFIN BAY TO PORT ARANSAS OUT 20 NM-
COASTAL WATERS PORT ARANSAS TO MATAGORDA SHIP CHANNEL OUT 20 NM-
DUVAL-GOLIAD-JIM WELLS-KLEBERG-LASALLE-LIVE OAK-MCMULLEN-NUECES-
REFUGIO-SAN PATRICIO-VICTORIA-
WATERS BAFFIN BAY TO PORT ARANSAS 20 TO 60 NM-
WATERS PORT ARANSAS TO MATAGORDA SHIP CHANNEL 20 TO 60 NM-WEBB-
810 AM CDT TUE APR 6 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH TEXAS.

.DAY ONE...TODAY AND TONIGHT

SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED TO MOVE
EASTWARD ACROSS SOUTH TEXAS TODAY. A TORNADO WATCH IS IN EFFECT
UNTIL 100 PM CDT FOR THE COUNTIES OF ARANSAS...BEE...CALHOUN...
GOLIAD...LIVE OAK...NUECES...REFUGIO...SAN PATRICIO AND VICTORIA.
IN ADDITION...LOCALLY HEAVY RAIN IS POSSIBLE WITH THESE
THUNDERSTORMS. A FLASH FLOOD WATCH IS IN EFFECT UNTIL 200 PM CDT
THIS AFTERNOON FOR PORTIONS OF SOUTH TEXAS NORTH OF AN ENCINAL TO
TYNAN TO ROCKPORT LINE. RAIN AMOUNTS OF 1 TO 2 INCHES COULD OCCUR
WITH SOME OF THESE STORMS. A SMALL CRAFT ADVISORY IS IN EFFECT TODAY
FOR THE OFFSHORE WATERS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

ISOLATED THUNDERSTORMS WILL DEVELOP ALONG THE SEABREEZE DURING THE
AFTERNOON HOURS ON THURSDAY AND FRIDAY.  OTHERWISE...NO HAZARDOUS
WEATHER IS EXPECTED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED LATER TODAY.

TMT/TR/WC

In the hours before

Local storm report, Apr 6, 10:45 AM CDT, 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1045 AM CDT TUE APR 06 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

1040 AM     HAIL             ROBSTOWN                27.80N 97.66W
04/06/2004  0.75 INCH        NUECES             TX   NWS EMPLOYEE

&&

AP
Local storm report, Apr 6, 10:46 AM CDT, 58 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1046 AM CDT TUE APR 06 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

1040 AM     HAIL             15 N REFUGIO            28.52N 97.28W
04/06/2004  1.75 INCH        GOLIAD             TX   BROADCAST MEDIA

&&

AP
Local storm report, Apr 6, 10:47 AM CDT, 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1047 AM CDT TUE APR 06 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

1045 AM     TSTM WND GST     MCFADDIN                28.52N 97.02W
04/06/2004  70 MPH           VICTORIA           TX   TRAINED SPOTTER

&&

AP
Special weather statement, Apr 6, 11:20 AM CDT, 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1120 AM CDT TUE APR 6 2004

TXZ231>234-241>247-062100-
ARANSAS-BEE-CALHOUN-GOLIAD-JIM WELLS-KLEBERG-LIVE OAK-NUECES-REFUGIO-
SAN PATRICIO-VICTORIA-
1120 AM CDT TUE APR 6 2004

...A TORNADO WATCH IS IN EFFECT...

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH VALID UNTIL
400 PM CDT TUESDAY AFTERNOON. THE WATCH INCLUDES THE COUNTIES OF
ARANSAS...BEE...CALHOUN...GOLIAD...LIVE OAK...NUECES...REFUGIO...SAN
PATRICIO...KLEBERG...JIM WELLS...AND VICTORIA. SOME CITIES INCLUDED
IN THE WATCH ARE ALICE...ARANSAS PASS...BEEVILLE...CORPUS CHRISTI...
GEORGE WEST...GOLIAD...INGLESIDE...MATHIS...PORT ARANSAS...PORT
LAVACA...PORT OCONNOR...PORTLAND...REFUGIO...ROBSTOWN...ROCKPORT...
SEADRIFT...SINTON...SKIDMORE...THREE RIVERS AND VICTORIA.

A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES TO OCCUR
IN OR NEAR THE WATCH AREA. IF TORNADOES DO IN FACT DEVELOP OR ARE
SPOTTED...THEN A TORNADO WARNING WILL BE ISSUED.

EMERGENCY MANAGERS AND SPOTTER GROUPS SHOULD BE PREPARED FOR POSSIBLE
ACTIVATION. RESIDENTS ACROSS SOUTH TEXAS SHOULD REMAIN ALERT AND BE
READY TO QUICKLY ACT IF THREATENING WEATHER APPROACHES YOUR AREA. IF
SEVERE WEATHER THREATENS YOUR AREA...THEN MOVE TO AN INTERIOR ROOM
AND LAY DOWN ON THE FLOOR. IF CAUGHT OUTSIDE...LAY FLAT DOWN ON THE
GROUND...PREFERABLY IN A DITCH OR OTHER LOW SPOT. NEVER TRY TO OUTRUN
SEVERE WEATHER.

STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS OR
POSSIBLE WARNINGS REGARDING THIS DEVELOPING WEATHER SITUATION.

WC
Local storm report, Apr 6, 11:32 AM CDT, 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1132 AM CDT TUE APR 06 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

1130 AM     TSTM WND DMG     TIVOLI                  28.43N 96.88W
04/06/2004                   REFUGIO            TX   TRAINED SPOTTER

            TRAINED SPOTTER REPORTED DAMAGE TO GAS STATION IN TIVOLI.
            ALSO REPORTED LARGE TREE LIMBS AND POWER LINES DOWN.

&&

MJ
Local storm report, Apr 6, 11:33 AM CDT, 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1133 AM CDT TUE APR 06 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

1125 AM     HAIL             TIVOLI                  28.43N 96.88W
04/06/2004  1.75 INCH        REFUGIO            TX   TRAINED SPOTTER

            TRAINED SPOTTER REPORTED GOLF BALL SIZED HAIL IN TIVOLI.

1125 AM     TORNADO          5 N TIVOLI              28.51N 96.88W
04/06/2004                   CALHOUN            TX   TRAINED SPOTTER

            TRAINED SPOTTER REPORTED A TORNADO ON THE GROUND 5 MILES
            NORTH OF TIVOLI.

1120 AM     HAIL             TIVOLI                  28.43N 96.88W
04/06/2004  1.75 INCH        REFUGIO            TX   TRAINED SPOTTER

            TRAINED SPOTTER REPORTED GOLF BALL SIZED HAIL AND LARGE
            TREE LIMBS DOWN IN THE CITY OF TIVOLI.

1115 AM     TSTM WND GST     TIVOLI                  28.43N 96.88W
04/06/2004  70 MPH           REFUGIO            TX   TRAINED SPOTTER

            TRAINED SPOTTER REPORTED 70 MPH WINDS AND PEA-SIZED HAIL
            IN THE CITY OF TIVOLI.

1100 AM     FLASH FLOOD      10 NNE REFUGIO          28.44N 97.21W
04/06/2004                   REFUGIO            TX   TRAINED SPOTTER

            TRAINED SPOTTER REPORTED WATER OVER THE ROAD AT HIGHWAY
            239 AND HIGHWAY 77

&&

MJ

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, 10:55 AM CDTTornado WarningCRPCalhoun, Victoria50 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, 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.