Alert archive / Texas / Tornado Watches in 2004

Tornado Watch 883

November 23, 2004Lafayette County, Miller County, Arkansas; 53 counties in Texas

The Storm Prediction Center issued this tornado watch at Nov 23, 2004, 8:45 AM CST for Lafayette County, Miller County, Arkansas; 53 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Nov 23, 2004, 8:45 AM CST (14:45 UTC)
Expired: Nov 23, 2004, 3:00 PM CST
In force: 6 hr
Issued by: the Storm Prediction Center

All 55 counties

Lafayette County, AR, Miller County, AR, Anderson County, TX, Austin County, TX, Bastrop County, TX, Bell County, TX, Blanco County, TX, Brazos County, TX, Burleson County, TX, Caldwell County, TX, Camp County, TX, Cass County, TX, Cherokee County, TX, Colorado County, TX, Comal County, TX, Ellis County, TX, Falls County, TX, Fayette County, TX, Franklin County, TX, Freestone County, TX, Gregg County, TX, Grimes County, TX, Guadalupe County, TX, Harrison County, TX, Hays County, TX, Henderson County, TX, Hill County, TX, Hopkins County, TX, Houston County, TX, Hunt County, TX, Kaufman County, TX, Kendall County, TX, Lee County, TX, Leon County, TX, Limestone County, TX, Madison County, TX, Marion County, TX, McLennan County, TX, Milam County, TX, Morris County, TX, Navarro County, TX, Panola County, TX, Rains County, TX, Robertson County, TX, Rockwall County, TX, Rusk County, TX, Smith County, TX, Titus County, TX, Travis County, TX, Upshur County, TX, Van Zandt County, TX, Walker County, TX, Washington County, TX, Williamson County, TX, Wood County, TX

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Nov 23, 8:46 AM CST	Severe Thunderstorm Warning	FWD	Anderson, Freestone, Henderson, Navarro	44 min
Nov 23, 8:51 AM CST	Severe Thunderstorm Warning	EWX	Travis	54 min
Nov 23, 9:16 AM CST	Severe Thunderstorm Warning	FWD	Coryell, McLennan	44 min
Nov 23, 9:19 AM CST	Flash Flood Warning	EWX	Blanco, Burnet, Hays, Travis, Williamson	4 hr
Nov 23, 9:33 AM CST	Flash Flood Warning	EWX	Bexar, Comal, Kendall	4 hr
Nov 23, 9:33 AM CST	Severe Thunderstorm Warning	FWD	Bosque, Hill	42 min
Nov 23, 9:44 AM CST	Tornado Warning	EWX	Travis	31 min
Nov 23, 9:53 AM CST	Severe Thunderstorm Warning	FWD	Van Zandt	52 min
Nov 23, 10:00 AM CST	Severe Thunderstorm Warning	FWD	Limestone, McLennan	30 min
Nov 23, 10:01 AM CST	Severe Thunderstorm Warning	EWX	Comal	59 min
Nov 23, 10:09 AM CST	Severe Thunderstorm Warning	EWX	Williamson	66 min
Nov 23, 10:14 AM CST	Severe Thunderstorm Warning	SHV	Smith	46 min
Nov 23, 10:22 AM CST	Severe Thunderstorm Warning	FWD	Milam	53 min
Nov 23, 10:23 AM CST	Severe Thunderstorm Warning	EWX	Hays	67 min
Nov 23, 10:29 AM CST	Tornado Warning	SHV	Smith	31 min
Nov 23, 10:35 AM CST	Tornado Warning	SHV	Wood	25 min
Nov 23, 10:38 AM CST	Tornado Warning	EWX	Williamson	22 min
Nov 23, 10:49 AM CST	Severe Thunderstorm Warning	FWD	Fannin, Navarro	41 min
Nov 23, 10:50 AM CST	Severe Thunderstorm Warning	SHV	Upshur	55 min
Nov 23, 10:59 AM CST	Tornado Warning	EWX	Williamson	16 min
Nov 23, 11:04 AM CST	Flash Flood Warning	FWD	Bosque, Coryell, McLennan	3 hr
Nov 23, 11:13 AM CST	Severe Thunderstorm Warning	FWD	Milam	47 min
Nov 23, 11:20 AM CST	Severe Thunderstorm Warning	EWX	Caldwell	55 min
Nov 23, 11:25 AM CST	Severe Thunderstorm Warning	FWD	Henderson, Navarro	50 min
Nov 23, 11:26 AM CST	Severe Thunderstorm Warning	EWX	Travis	34 min
Nov 23, 11:41 AM CST	Severe Thunderstorm Warning	EWX	Bastrop	64 min
Nov 23, 11:46 AM CST	Severe Thunderstorm Warning	FWD	Robertson	59 min
Nov 23, 11:53 AM CST	Tornado Warning	FWD	Milam, Robertson	52 min
Nov 23, 12:11 PM CST	Severe Thunderstorm Warning	FWD	Ellis	64 min
Nov 23, 12:24 PM CST	Severe Thunderstorm Warning	HGX	Brazos	36 min
Nov 23, 12:40 PM CST	Severe Thunderstorm Warning	FWD	Leon, Robertson	65 min
Nov 23, 12:42 PM CST	Severe Thunderstorm Warning	FWD	Leon, Robertson	63 min
Nov 23, 12:46 PM CST	Severe Thunderstorm Warning	HGX	Madison	59 min
Nov 23, 1:00 PM CST	Severe Thunderstorm Warning	HGX	Brazos	30 min
Nov 23, 1:04 PM CST	Severe Thunderstorm Warning	EWX	Fayette	56 min
Nov 23, 1:09 PM CST	Tornado Warning	EWX	Fayette	36 min
Nov 23, 1:24 PM CST	Severe Thunderstorm Warning	HGX	Houston	51 min
Nov 23, 1:38 PM CST	Tornado Warning	EWX	Fayette	52 min
Nov 23, 1:46 PM CST	Tornado Warning	HGX	Austin, Polk, San Jacinto, Washington	44 min
Nov 23, 1:56 PM CST	Severe Thunderstorm Warning	HGX	Brazos	49 min
Nov 23, 2:23 PM CST	Severe Thunderstorm Warning	HGX	Houston	37 min
Nov 23, 2:35 PM CST	Severe Thunderstorm Warning	HGX	Washington	40 min
Nov 23, 2:44 PM CST	Severe Thunderstorm Warning	HGX	Grimes	46 min
Nov 23, 2:49 PM CST	Tornado Warning	HGX	Washington	26 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, 2.8 hours before the alert went out and 203 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 130 J/kg
Mixed-layer CIN: -241 J/kg
Mixed-layer LCL: 496 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 163 m²/s²
0-3 km storm-relative helicity: 226 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.6

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 231444
SEL3  
SPC WW 231445
TXZ000-232100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 883
NWS STORM PREDICTION CENTER NORMAN OK
845 AM CST TUE NOV 23 2004

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

       CENTRAL AND EASTERN TEXAS

EFFECTIVE THIS TUESDAY MORNING AND AFTERNOON FROM 845 AM UNTIL 300
PM CST.

TORNADOES...HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS ALONG AND 80 STATUTE MILES EAST AND WEST
OF A LINE FROM 40 MILES EAST OF SAN ANTONIO TEXAS TO 65 MILES
NORTH OF LONGVIEW 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 882...

DISCUSSION...THUNDERSTORMS INTENSIFYING CENTRAL TX IN RESPONSE TO
STRONG UPPER TROUGH AND MID LEVEL COLD ADVECTION.  WITH AIR MASS
EXPECTED TO RAPIDLY DESTABILIZE AND SHEAR PROFILES VERY FAVORABLE
FOR SUPERCELLS...TORNADO POTENTIAL WITH ANY SUPERCELL WILL INCREASE
THRU THE EARLY AFTERNOON.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 24040.


...HALES

293,0990 331,0960 331,0931 293,0962

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 23, 10:37 AM CST	Mesoscale Discussion	SPC	Lafayette, Miller	113 min
Nov 23, 12:48 PM CST	Mesoscale Discussion	SPC	Lafayette, Miller	117 min
Nov 23, 1:40 PM CST	Mesoscale Discussion	SPC	Arkansas, Conway, Cross, Faulkner, Garland, Grant and 14 more	95 min
Nov 23, 2:00 PM CST	Tornado Watch	SPC	Arkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 25 more	7 hr
Nov 23, 3:21 PM CST	Mesoscale Discussion	SPC	Arkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 25 more	114 min
Nov 22, 6:03 PM CST	Mesoscale Discussion	SPC	Austin, Brazoria, Chambers, Colorado, Fort Bend, Hardin and 16 more	2 hr
Nov 22, 10:30 PM CST	Mesoscale Discussion	SPC	Borden, Coke, Crockett, Dawson, Fisher, Garza and 21 more	2 hr
Nov 22, 11:00 PM CST	Tornado Watch	SPC	Andrews, Borden, Coke, Crane, Crockett, Dawson and 22 more	6 hr
Nov 23, 2:58 AM CST	Mesoscale Discussion	SPC	Borden, Coke, Crockett, Fisher, Glasscock, Howard and 11 more	92 min
Nov 23, 4:10 AM CST	Severe Thunderstorm Watch	SPC	Brown, Callahan, Coke, Coleman, Comanche, Concho and 19 more	5 hr
Nov 23, 7:06 AM CST	Mesoscale Discussion	SPC	Anderson, Angelina, Austin, Bastrop, Bell, Blanco and 46 more	84 min
Nov 23, 7:19 AM CST	Mesoscale Discussion	SPC	Brown, Callahan, Coleman, Comanche, Concho, Denton and 13 more	86 min
Nov 23, 7:40 AM CST	Mesoscale Discussion	SPC	Dallam	6 hr
Nov 23, 9:15 AM CST	Mesoscale Discussion	SPC	Collin, Dallas, Delta, Denton, Fannin, Grayson and 5 more	3 hr
Nov 23, 9:45 AM CST	Tornado Watch	SPC	Angelina, Austin, Brazoria, Calhoun, Chambers, Colorado and 25 more	5 hr
Nov 23, 11:38 AM CST	Mesoscale Discussion	SPC	Angelina, Austin, Brazoria, Calhoun, Chambers, Colorado and 25 more	2 hr
Nov 23, 12:15 PM CST	Mesoscale Discussion	SPC	Carson, Dallam, Hansford, Hartley, Hutchinson, Moore and 3 more	5 hr
Nov 23, 12:16 PM CST	Mesoscale Discussion	SPC	Bosque, Brown, Coke, Coleman, Concho, Coryell and 22 more	2 hr
Nov 23, 2:14 PM CST	Mesoscale Discussion	SPC	Briscoe, Childress, Cottle, Crosby, Dickens, Fisher and 20 more	3 hr
Nov 23, 3:15 PM CST	Severe Thunderstorm Watch	SPC	Atascosa, Bandera, Bexar, Blanco, Bosque, Brown and 40 more	5 hr
Nov 23, 5:30 PM CST	Severe Thunderstorm Watch	SPC	Atascosa, Bandera, Bastrop, Bell, Bexar, Blanco and 64 more	6 hr

Nearby

Tornado Watches in Texas, 2004 Tornado Watches in Arkansas, 2004 Every 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.