Alert archive / Texas / Tornado Watches in 2004

Tornado Watch 23

March 4, 200448 counties in Texas

The Storm Prediction Center issued this tornado watch at Mar 4, 2004, 11:50 AM CST for 48 counties in Texas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Mar 4, 2004, 11:50 AM CST (17:50 UTC)
Expired
Mar 4, 2004, 5:00 PM CST
In force
5 hr
Issued by
the Storm Prediction Center
All 48 counties

Bandera County, TX, Bell County, TX, Blanco County, TX, Bosque County, TX, Brown County, TX, Burnet County, TX, Collin County, TX, Comal County, TX, Comanche County, TX, Coryell County, TX, Dallas County, TX, Denton County, TX, Edwards County, TX, Ellis County, TX, Erath County, TX, Falls County, TX, Gillespie County, TX, Hamilton County, TX, Hays County, TX, Hill County, TX, Hood County, TX, Johnson County, TX, Kaufman County, TX, Kendall County, TX, Kerr County, TX, Kimble County, TX, Kinney County, TX, Lampasas County, TX, Limestone County, TX, Llano County, TX, Mason County, TX, Maverick County, TX, McCulloch County, TX, McLennan County, TX, Medina County, TX, Menard County, TX, Milam County, TX, Mills County, TX, Navarro County, TX, Real County, TX, Rockwall County, TX, San Saba County, TX, Somervell County, TX, Tarrant County, TX, Travis County, TX, Uvalde County, TX, Williamson County, TX, Zavala County, TX

Warnings issued inside it

24 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Mar 4, 12:09 PM CSTSevere Thunderstorm WarningSJTKimble, Mason, Menard, Throckmorton51 min
Mar 4, 12:17 PM CSTTornado WarningSJTMcCulloch, Mason43 min
Mar 4, 12:24 PM CSTSevere Thunderstorm WarningSJTBrown51 min
Mar 4, 12:28 PM CSTTornado WarningSJTBrown62 min
Mar 4, 12:32 PM CSTSevere Thunderstorm WarningSJTSan Saba58 min
Mar 4, 12:58 PM CSTSevere Thunderstorm WarningFWDComanche, Mills62 min
Mar 4, 1:08 PM CSTSevere Thunderstorm WarningFWDErath67 min
Mar 4, 1:20 PM CSTSevere Thunderstorm WarningFWDHamilton55 min
Mar 4, 1:41 PM CSTSevere Thunderstorm WarningFWDBosque, Hood, Somervell64 min
Mar 4, 1:50 PM CSTSevere Thunderstorm WarningEWXMedina25 min
Mar 4, 2:04 PM CSTSevere Thunderstorm WarningFWDBell, Coryell, McLennan56 min
Mar 4, 2:16 PM CSTSevere Thunderstorm WarningFWDJohnson59 min
Mar 4, 2:21 PM CSTSevere Thunderstorm WarningFWDTarrant54 min
Mar 4, 2:27 PM CSTSevere Thunderstorm WarningFWDCooke, Hill63 min
Mar 4, 2:33 PM CSTTornado WarningFWDDenton42 min
Mar 4, 2:35 PM CSTSevere Thunderstorm WarningFWDEllis55 min
Mar 4, 2:37 PM CSTSevere Thunderstorm WarningFWDDallas53 min
Mar 4, 2:58 PM CSTSevere Thunderstorm WarningFWDBell, Falls, McLennan, Milam62 min
Mar 4, 3:01 PM CSTSevere Thunderstorm WarningFWDCollin, Grayson59 min
Mar 4, 3:11 PM CSTSevere Thunderstorm WarningFWDLimestone, Navarro64 min
Mar 4, 3:19 PM CSTTornado WarningFWDEllis41 min
Mar 4, 3:26 PM CSTSevere Thunderstorm WarningFWDKaufman, Rockwall64 min
Mar 4, 3:51 PM CSTSevere Thunderstorm WarningFWDMilam, Robertson54 min
Mar 4, 4:13 PM CSTSevere Thunderstorm WarningFWDLimestone17 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 5.8 hours before the alert went out and 253 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, Fort Worth, TX at 12:00Z on 2004-03-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 696 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, Fort Worth, TX at 12:00Z on 2004-03-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 327 square meters per square second.1939587897117Sfc1 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
696 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
649 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
327 m²/s²
0-3 km storm-relative helicity
350 m²/s²
Significant tornado parameter
1.3
Supercell composite
7.5

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 041747
SEL3  
SPC WW 041750
TXZ000-042300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 23
NWS STORM PREDICTION CENTER NORMAN OK
1150 AM CST THU MAR 4 2004

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF 

       CENTRAL AND NORTH CENTRAL TEXAS

EFFECTIVE THIS THURSDAY MORNING AND AFTERNOON FROM 1150 AM UNTIL
500 PM CST.

...THIS IS A PARTICULARLY DANGEROUS SITUATION...

DESTRUCTIVE TORNADOES...LARGE HAIL TO 2 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE
POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 90 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 75 MILES WEST OF HONDO TEXAS TO 40 MILES EAST
SOUTHEAST OF DALLAS TEXAS.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.


OTHER WATCH INFORMATION...CONTINUE...WW 22...


DISCUSSION...INTENSE SQUALL LINE HAS DEVELOPED NWRN TX IN ADVANCE OF
VIGOROUS S/WV TROUGH AND 100KT WIND MAX NOW MOVING INTO SWRN TX. 
WITH VERY MOIST...UNSTABLE AIR MASS  IN WARM SECTOR...POTENTIAL FOR
TORNADIC SUPERCELLS WILL INCREASE ALONG/AHEAD OF SCALL LINE AS IT
MOVES RAPIDLY E/NE ACROSS WATCH AREA THIS AFTERNOON.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550.
MEAN STORM MOTION VECTOR 24045.


...HALES

303,1002 335,0961 311,0961 280,1002

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 3, 7:03 PM CSTMesoscale DiscussionSPCAndrews, Borden, Coke, Crane, Crockett, Dawson and 25 more117 min
Mar 3, 8:40 PM CSTSevere Thunderstorm WatchSPCAndrews, Borden, Cottle, Crane, Crosby, Dawson and 20 more5 hr
Mar 3, 11:44 PM CSTMesoscale DiscussionSPCAndrews, Borden, Crane, Crosby, Dawson, Dickens and 16 more2 hr
Mar 4, 1:56 AM CSTMesoscale DiscussionSPCArcher, Bailey, Baylor, Briscoe, Brown, Castro and 55 more94 min
Mar 4, 2:00 AM CSTSevere Thunderstorm WatchSPCAndrews, Archer, Armstrong, Bailey, Baylor, Borden and 39 more5 hr
Mar 4, 2:44 AM CSTMesoscale DiscussionSPCArcher, Baylor, Childress, Clay, Collingsworth, Cottle and 19 more3 hr
Mar 4, 4:25 AM CSTTornado WatchSPCCallahan, Coke, Coleman, Concho, Crockett, Fisher and 23 more6 hr
Mar 4, 5:01 AM CSTMesoscale DiscussionSPCAndrews, Archer, Armstrong, Bailey, Baylor, Borden and 39 more119 min
Mar 4, 5:32 AM CSTMesoscale DiscussionSPCCallahan, Coke, Coleman, Concho, Crockett, Fisher and 23 more118 min
Mar 4, 6:55 AM CSTSevere Thunderstorm WatchSPCArmstrong, Baylor, Borden, Briscoe, Carson, Childress and 30 more6 hr
Mar 4, 8:43 AM CSTMesoscale DiscussionSPCArcher, Baylor, Callahan, Coke, Coleman, Concho and 26 more62 min
Mar 4, 9:28 AM CSTMesoscale DiscussionSPCCooke, Fannin, Grayson, Lamar, Montague62 min
Mar 4, 9:45 AM CSTTornado WatchSPCArcher, Baylor, Brown, Callahan, Clay, Coke and 34 more5 hr
Mar 4, 10:46 AM CSTMesoscale DiscussionSPCAtascosa, Bandera, Bell, Bexar, Blanco, Bosque and 27 more89 min
Mar 4, 11:52 AM CSTMesoscale DiscussionSPCArcher, Baylor, Brown, Callahan, Clay, Coleman and 17 more53 min
Mar 4, 11:52 AM CSTMesoscale DiscussionSPCAustin, Brazoria, Brazos, Burleson, Chambers, Colorado and 15 more113 min
Mar 4, 1:02 PM CSTMesoscale DiscussionSPCArcher, Baylor, Clay, Jack, Montague, Palo Pinto and 6 more88 min
Mar 4, 1:25 PM CSTMesoscale DiscussionSPCFannin65 min
Mar 4, 1:42 PM CSTMesoscale DiscussionSPCBell, Blanco, Bosque, Burnet, Collin, Coryell and 17 more63 min
Mar 4, 2:05 PM CSTTornado WatchSPCCooke6 hr
Mar 4, 2:18 PM CSTMesoscale DiscussionSPCAnderson, Bowie, Camp, Cass, Cherokee, Delta and 18 more57 min
Mar 4, 3:00 PM CSTTornado WatchSPCAnderson, Bowie, Camp, Cass, Cherokee, Delta and 25 more6 hr
Mar 4, 4:41 PM CSTMesoscale DiscussionSPCBowie, Camp, Cass, Franklin, Gregg, Harrison and 6 more2 hr

Nearby

Tornado Watches in Texas, 2004Every tornado watch 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; the sounding from the Mesonet's radiosonde archive.