Alert archive / Texas / Tornado Watches in 2004

Tornado Watch 885

November 23, 20044 states

The Storm Prediction Center issued this tornado watch at Nov 23, 2004, 2:00 PM CST for 4 states. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued: Nov 23, 2004, 2:00 PM CST (20:00 UTC)
Expired: Nov 23, 2004, 9:00 PM CST
In force: 7 hr
Issued by: the Storm Prediction Center

All 107 counties

Arkansas County, AR, Ashley County, AR, Bradley County, AR, Calhoun County, AR, Chicot County, AR, Clark County, AR, Cleveland County, AR, Columbia County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Garland County, AR, Grant County, AR, Hempstead County, AR, Hot Spring County, AR, Howard County, AR, Jefferson County, AR, Lafayette County, AR, Lincoln County, AR, Little River County, AR, Miller County, AR, Monroe County, AR, Montgomery County, AR, Nevada County, AR, Ouachita County, AR, Phillips County, AR, Pike County, AR, Polk County, AR, Saline County, AR, Sevier County, AR, Union County, AR, Allen Parish, LA, Beauregard Parish, LA, Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Calcasieu Parish, LA, Caldwell Parish, LA, Claiborne Parish, LA, De Soto Parish, LA, Grant Parish, LA, Jackson Parish, LA, LaSalle Parish, LA, Lincoln Parish, LA, Morehouse Parish, LA, Natchitoches Parish, LA, Ouachita Parish, LA, Rapides Parish, LA, Red River Parish, LA, Richland Parish, LA, Sabine Parish, LA, Union Parish, LA, Vernon Parish, LA, Webster Parish, LA, West Carroll Parish, LA, Winn Parish, LA, Bolivar County, MS, Coahoma County, MS, Tunica County, MS, Anderson County, TX, Angelina County, TX, Austin County, TX, Bowie County, TX, Brazoria County, TX, Brazos County, TX, Camp County, TX, Cass County, TX, Chambers County, TX, Cherokee County, TX, Colorado County, TX, DeWitt County, TX, Fort Bend County, TX, Galveston County, TX, Gregg County, TX, Grimes County, TX, Hardin County, TX, Harris County, TX, Harrison County, TX, Houston County, TX, Jasper County, TX, Jefferson County, TX, Lavaca County, TX, Leon County, TX, Liberty County, TX, Madison County, TX, Marion County, TX, Montgomery County, TX, Morris County, TX, Nacogdoches County, TX, Newton County, TX, Orange County, TX, Panola County, TX, Polk County, TX, Rusk County, TX, Sabine County, TX, San Augustine County, TX, San Jacinto County, TX, Shelby County, TX, Smith County, TX, Titus County, TX, Trinity County, TX, Tyler County, TX, Upshur County, TX, Walker County, TX, Waller County, TX, Washington County, TX, Wharton County, TX

The radar

The Shreveport radar (KSHV), 150 km from the middle of the area, began a volume at 20:04 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.

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Nov 23, 2:19 PM CST	Severe Thunderstorm Warning	LZK	Perry, Saline	41 min
Nov 23, 2:20 PM CST	Severe Thunderstorm Warning	SHV	Bowie	25 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, 2:37 PM CST	Tornado Warning	HGX	Chambers, Harris, Liberty	38 min
Nov 23, 2:44 PM CST	Severe Thunderstorm Warning	HGX	Grimes	46 min
Nov 23, 2:46 PM CST	Tornado Warning	HGX	Trinity	29 min
Nov 23, 2:49 PM CST	Tornado Warning	HGX	Washington	26 min
Nov 23, 2:56 PM CST	Tornado Warning	HGX	Waller	34 min
Nov 23, 3:02 PM CST	Flash Flood Warning	HGX	Washington	3 hr
Nov 23, 3:02 PM CST	Tornado Warning	HGX	Grimes	43 min
Nov 23, 3:03 PM CST	Tornado Warning	LCH	Tyler	27 min
Nov 23, 3:08 PM CST	Flash Flood Warning	SHV	Angelina	3 hr
Nov 23, 3:13 PM CST	Tornado Warning	HGX	Montgomery, Walker	47 min
Nov 23, 3:14 PM CST	Tornado Warning	HGX	Trinity	31 min
Nov 23, 3:15 PM CST	Tornado Warning	HGX	Liberty	15 min
Nov 23, 3:16 PM CST	Flash Flood Warning	SHV	Hempstead, Nevada	119 min
Nov 23, 3:17 PM CST	Flash Flood Warning	HGX	Grimes, Montgomery, Walker	3 hr
Nov 23, 3:24 PM CST	Tornado Warning	HGX	Harris, Liberty	51 min
Nov 23, 3:28 PM CST	Tornado Warning	LCH	Tyler	47 min
Nov 23, 3:33 PM CST	Tornado Warning	LCH	Hardin	42 min
Nov 23, 3:39 PM CST	Flash Flood Warning	LZK	Clark	3 hr
Nov 23, 3:43 PM CST	Flash Flood Warning	LZK	Pulaski, Saline	3 hr
Nov 23, 3:44 PM CST	Severe Thunderstorm Warning	HGX	Polk	46 min
Nov 23, 3:45 PM CST	Flash Flood Warning	LZK	Garland	3 hr
Nov 23, 3:45 PM CST	Severe Thunderstorm Warning	LCH	Jasper	45 min
Nov 23, 3:55 PM CST	Flash Flood Warning	LZK	Hot Spring	3 hr
Nov 23, 3:58 PM CST	Severe Thunderstorm Warning	HGX	Montgomery, San Jacinto, Walker	62 min
Nov 23, 3:59 PM CST	Tornado Warning	HGX	Harris, Montgomery	31 min
Nov 23, 3:59 PM CST	Tornado Warning	LCH	Jasper	31 min
Nov 23, 4:06 PM CST	Tornado Warning	JAN	Chicot	24 min
Nov 23, 4:07 PM CST	Tornado Warning	JAN	Chicot	23 min
Nov 23, 4:13 PM CST	Tornado Warning	LCH	Hardin	32 min
Nov 23, 4:21 PM CST	Flash Flood Warning	HGX	Trinity	3 hr
Nov 23, 4:22 PM CST	Tornado Warning	JAN	Morehouse, Richland	23 min
Nov 23, 4:23 PM CST	Tornado Warning	LCH	Tyler	22 min
Nov 23, 4:24 PM CST	Flash Flood Warning	LZK	Grant	3 hr
Nov 23, 4:26 PM CST	Severe Thunderstorm Warning	SHV	Sabine	49 min
Nov 23, 4:31 PM CST	Tornado Warning	HGX	Liberty	44 min
Nov 23, 4:39 PM CST	Tornado Warning	LCH	Jasper	36 min
Nov 23, 4:40 PM CST	Severe Thunderstorm Warning	SHV	San Augustine	35 min
Nov 23, 4:46 PM CST	Severe Thunderstorm Warning	JAN	Morehouse	29 min
Nov 23, 4:53 PM CST	Severe Thunderstorm Warning	SHV	Sabine	67 min
Nov 23, 4:58 PM CST	Tornado Warning	LCH	Newton	32 min
Nov 23, 5:03 PM CST	Flash Flood Warning	LZK	Cleveland, Jefferson	3 hr
Nov 23, 5:15 PM CST	Severe Thunderstorm Warning	JAN	Morehouse	30 min
Nov 23, 5:16 PM CST	Flash Flood Warning	LZK	Arkansas, Lincoln	3 hr
Nov 23, 5:24 PM CST	Tornado Warning	SHV	Sabine	21 min
Nov 23, 5:32 PM CST	Tornado Warning	LCH	Vernon	43 min
Nov 23, 5:35 PM CST	Tornado Warning	LCH	Newton	10 min
Nov 23, 5:37 PM CST	Severe Thunderstorm Warning	JAN	Chicot	38 min
Nov 23, 5:38 PM CST	Severe Thunderstorm Warning	LZK	Arkansas	52 min
Nov 23, 5:40 PM CST	Tornado Warning	SHV	Natchitoches	65 min
Nov 23, 5:54 PM CST	Flash Flood Warning	JAN	Morehouse	3 hr
Nov 23, 6:04 PM CST	Tornado Warning	LCH	Jasper, Tyler	26 min
Nov 23, 6:09 PM CST	Tornado Warning	LCH	Newton	36 min
Nov 23, 6:13 PM CST	Flash Flood Warning	HGX	Grimes, Walker	2 hr
Nov 23, 6:18 PM CST	Tornado Warning	LCH	Vernon	27 min
Nov 23, 6:19 PM CST	Tornado Warning	SHV	Winn	56 min
Nov 23, 6:46 PM CST	Tornado Warning	SHV	Natchitoches	29 min
Nov 23, 6:51 PM CST	Severe Thunderstorm Warning	JAN	Ashley	24 min
Nov 23, 6:52 PM CST	Tornado Warning	LCH	Vernon	23 min
Nov 23, 7:13 PM CST	Tornado Warning	SHV	Grant	47 min
Nov 23, 7:15 PM CST	Flash Flood Warning	HGX	Trinity	2 hr
Nov 23, 7:16 PM CST	Tornado Warning	LCH	Vernon	29 min
Nov 23, 7:33 PM CST	Tornado Warning	EWX	DeWitt	57 min
Nov 23, 7:36 PM CST	Severe Thunderstorm Warning	JAN	Morehouse	54 min
Nov 23, 7:45 PM CST	Tornado Warning	LCH	Rapides	30 min
Nov 23, 7:45 PM CST	Flash Flood Warning	EWX	DeWitt	3 hr
Nov 23, 7:48 PM CST	Flash Flood Warning	JAN	Ashley, Chicot	2 hr
Nov 23, 7:49 PM CST	Tornado Warning	LCH	Newton	26 min
Nov 23, 7:59 PM CST	Tornado Warning	LCH	Vernon	31 min
Nov 23, 8:03 PM CST	Severe Thunderstorm Warning	HGX	Burleson, Washington	57 min
Nov 23, 8:07 PM CST	Tornado Warning	SHV	Caldwell	38 min
Nov 23, 8:16 PM CST	Tornado Warning	LCH	Rapides	29 min
Nov 23, 8:16 PM CST	Tornado Warning	SHV	Grant	44 min
Nov 23, 8:19 PM CST	Severe Thunderstorm Warning	HGX	Madison	41 min
Nov 23, 8:25 PM CST	Severe Thunderstorm Warning	HGX	Brazos, Grimes	50 min
Nov 23, 8:28 PM CST	Severe Thunderstorm Warning	EWX	Lavaca	47 min
Nov 23, 8:32 PM CST	Tornado Warning	JAN	Franklin, Richland	58 min
Nov 23, 8:33 PM CST	Tornado Warning	JAN	Franklin, Richland	57 min
Nov 23, 8:38 PM CST	Severe Thunderstorm Warning	SHV	LaSalle	37 min
Nov 23, 9:00 PM CST	Severe Thunderstorm Warning	HGX	Houston, Trinity	45 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

Shreveport, LA (KSHV), launched 12:00Z, 8.0 hours before the alert went out and 157 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: 472 J/kg
Mixed-layer CIN: -127 J/kg
Mixed-layer LCL: 662 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 192 m²/s²
0-3 km storm-relative helicity: 187 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.7

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 232002
SEL5  
SPC WW 232000
ARZ000-LAZ000-TXZ000-CWZ000-240300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 885
NWS STORM PREDICTION CENTER NORMAN OK
200 PM CST TUE NOV 23 2004

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

       SOUTHERN AND CENTRAL ARKANSAS
       NORTHERN AND WESTERN LOUISIANA
       EASTERN TEXAS
       COASTAL WATERS

EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 200 PM UNTIL 900
PM CST.

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

DESTRUCTIVE TORNADOES...LARGE HAIL TO 2.5 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE
POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 110 STATUTE MILES EAST AND
WEST OF A LINE FROM 40 MILES NORTH NORTHWEST OF PINE BLUFF
ARKANSAS TO 50 MILES SOUTH SOUTHWEST OF HOUSTON 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 883...WW 884...

DISCUSSION...SEVERE THUNDERSTORMS CONTINUE TO INCREASE IN NUMBER AND
INTENSITY OVER ERN TX AHEAD OF VIGOROUS TROUGH.  SURFACE LOW
DEEPENING ERN TX WILL TRACK NEWD INTO SWRN AR THIS EVENING WITH
ASSOCIATED VIGOROUS DEEP LAYER SHEAR PROFILES DEVELOPING. 
SUPERCELLS WILL BE COMMON AHEAD OF LOW AND NWD TO E/W WARM FRONT SRN
AR WITH POTENTIAL FOR STRONG TORNADOES AND VERY DAMAGING WINDS.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 24040.


...HALES

344,0901 285,0934 285,0972 344,0940

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 23, 8:45 AM CST	Tornado Watch	SPC	Lafayette, Miller	6 hr
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, 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	Acadia, Allen, Avoyelles, Beauregard, Bienville, Calcasieu and 26 more	2 hr
Nov 23, 9:45 AM CST	Tornado Watch	SPC	Allen, Beauregard, Calcasieu, De Soto, Grant, LaSalle and 5 more	5 hr
Nov 23, 11:10 AM CST	Mesoscale Discussion	SPC	Avoyelles, Concordia, Madison, Tensas	3 hr
Nov 23, 11:38 AM CST	Mesoscale Discussion	SPC	Allen, Beauregard, Calcasieu, Grant, LaSalle, Natchitoches and 4 more	2 hr
Nov 23, 5:30 PM CST	Mesoscale Discussion	SPC	Beauregard, Caldwell, Catahoula, Franklin, Grant, Jackson and 7 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, 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 Tornado Watches in Louisiana, 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; radar from the NEXRAD Level II archive.