Alert archive / Texas / Tornado Watches in 2004
Tornado Watch 889
The Storm Prediction Center issued this tornado watch at Nov 23, 2004, 7:50 PM CST for Sabine Parish, Louisiana; 40 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Nov 23, 2004, 7:50 PM CST (01:50 UTC)
- Expired
- Nov 24, 2004, 2:00 AM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 41 counties
Sabine Parish, LA, Angelina County, TX, Austin County, TX, Bee County, TX, Brazoria County, TX, Brazos County, TX, Burleson County, TX, Calhoun County, TX, Chambers County, TX, Colorado County, TX, DeWitt County, TX, Fayette County, TX, Fort Bend County, TX, Galveston County, TX, Goliad County, TX, Grimes County, TX, Hardin County, TX, Harris County, TX, Houston County, TX, Jackson County, TX, Jasper County, TX, Jefferson County, TX, Lavaca County, TX, Leon County, TX, Liberty County, TX, Madison County, TX, Matagorda County, TX, Montgomery County, TX, Newton County, TX, Polk County, TX, Refugio County, TX, Sabine County, TX, San Augustine County, TX, San Jacinto County, TX, Trinity County, TX, Tyler County, TX, Victoria County, TX, Walker County, TX, Waller County, TX, Washington County, TX, Wharton County, TX
The radar
The Houston radar (KHGX), 90 km from the middle of the area, began a volume at 01:51 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
35 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 23, 7:50 PM CST | Severe Thunderstorm Warning | CRP | Goliad | 55 min |
| Nov 23, 7:58 PM CST | Flash Flood Warning | CRP | Goliad | 92 min |
| Nov 23, 8:01 PM CST | Severe Thunderstorm Warning | EWX | Fayette, Lee | 59 min |
| Nov 23, 8:03 PM CST | Severe Thunderstorm Warning | HGX | Burleson, Washington | 57 min |
| Nov 23, 8:11 PM CST | Severe Thunderstorm Warning | CRP | Victoria | 64 min |
| Nov 23, 8:14 PM CST | Tornado Warning | CRP | Bee, Live Oak | 46 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, 8:36 PM CST | Severe Thunderstorm Warning | HGX | Jackson | 39 min |
| Nov 23, 8:41 PM CST | Flash Flood Warning | CRP | Victoria | 109 min |
| Nov 23, 8:44 PM CST | Severe Thunderstorm Warning | CRP | Goliad | 61 min |
| Nov 23, 9:00 PM CST | Severe Thunderstorm Warning | HGX | Houston, Trinity | 45 min |
| Nov 23, 9:02 PM CST | Severe Thunderstorm Warning | CRP | Bee, Refugio, San Patricio | 58 min |
| Nov 23, 9:02 PM CST | Severe Thunderstorm Warning | HGX | Colorado, Wharton | 43 min |
| Nov 23, 9:08 PM CST | Tornado Warning | HGX | Wharton | 52 min |
| Nov 23, 9:09 PM CST | Severe Thunderstorm Warning | HGX | Walker | 21 min |
| Nov 23, 9:11 PM CST | Severe Thunderstorm Warning | CRP | Calhoun, Victoria | 64 min |
| Nov 23, 9:21 PM CST | Severe Thunderstorm Warning | HGX | Austin, Harris, Montgomery, Waller | 39 min |
| Nov 23, 9:23 PM CST | Tornado Warning | HGX | Trinity | 37 min |
| Nov 23, 9:39 PM CST | Flash Flood Warning | HGX | Trinity | 2 hr |
| Nov 23, 9:46 PM CST | Severe Thunderstorm Warning | HGX | Brazoria, Fort Bend | 44 min |
| Nov 23, 9:55 PM CST | Severe Thunderstorm Warning | HGX | Polk | 50 min |
| Nov 23, 9:58 PM CST | Severe Thunderstorm Warning | LCH | Tyler | 62 min |
| Nov 23, 10:00 PM CST | Severe Thunderstorm Warning | HGX | Harris | 45 min |
| Nov 23, 10:01 PM CST | Severe Thunderstorm Warning | HGX | Trinity | 29 min |
| Nov 23, 10:03 PM CST | Severe Thunderstorm Warning | HGX | Jackson, Matagorda | 42 min |
| Nov 23, 10:10 PM CST | Severe Thunderstorm Warning | HGX | Liberty | 50 min |
| Nov 23, 10:23 PM CST | Severe Thunderstorm Warning | HGX | Chambers, Galveston | 37 min |
| Nov 23, 10:31 PM CST | Severe Thunderstorm Warning | HGX | Brazoria | 29 min |
| Nov 23, 10:41 PM CST | Severe Thunderstorm Warning | LCH | Hardin, Jasper | 64 min |
| Nov 23, 10:59 PM CST | Severe Thunderstorm Warning | LCH | Jefferson, Orange | 61 min |
| Nov 23, 11:00 PM CST | Severe Thunderstorm Warning | HGX | Chambers, Galveston | 30 min |
| Nov 23, 11:04 PM CST | Severe Thunderstorm Warning | LCH | Newton | 56 min |
| Nov 23, 11:14 PM CST | Severe Thunderstorm Warning | SHV | Sabine | 46 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
Corpus Christi, TX (KCRP), launched 00:00Z, 1.8 hours before the alert went out and 244 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.
- Mixed-layer CAPE
- 3323 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 782 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 1.9
- Supercell composite
- 7.5
The text
As transmitted, in the capitals the NWS used until 2016.
178
WWUS20 KWNS 240153
SEL9
SPC WW 240150
TXZ000-CWZ000-240800-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 889
NWS STORM PREDICTION CENTER NORMAN OK
750 PM CST TUE NOV 23 2004
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
EASTERN AND SOUTHEAST TEXAS
COASTAL WATERS
EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 750 PM
UNTIL 200 AM CST.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS ALONG AND 85 STATUTE MILES EAST AND WEST
OF A LINE FROM 25 MILES NORTH NORTHEAST OF LUFKIN TEXAS TO 35
MILES SOUTH SOUTHWEST OF PALACIOS 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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 885. WATCH NUMBER 885 WILL NOT BE IN EFFECT AFTER 750
PM CST. CONTINUE...WW 887...WW 888...
DISCUSSION...THUNDERSTORMS/SUPERCELLS IN ERN TX EXPECTED TO FURTHER
INCREASE IN STRENGTH/COVERAGE AS STRONG DPVA CONTINUES TO SPREAD ENE
ACROSS REGION. AREA RAOB/VWP/PROFILER DATA...AND RICH GULF MOISTURE
SUPPLY...SHOW GOOD SETUP FOR SUSTAINED ACTIVITY WITH LARGE HAIL/HIGH
WIND AND POSSIBLY A COUPLE TORNADOES...ESPECIALLY INVOF RETREATING
COASTAL FRONT ATTM EXTENDING FROM NEAR CLL TO AEX. STORMS SHOULD
MERGE INTO A STRONG SQUALL LINE LATER TONIGHT.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 26035.
...CORFIDI
313,0930 281,0950 281,0975 313,0960SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 23, 7:53 PM CST | Mesoscale Discussion | SPC | Acadia, Allen, Avoyelles, Beauregard, Calcasieu, Caldwell and 20 more | 37 min |
| Nov 23, 8:15 PM CST | Tornado Watch | SPC | Allen, Avoyelles, Beauregard, Caldwell, Catahoula, Concordia and 21 more | 6 hr |
| Nov 23, 9:14 PM CST | Mesoscale Discussion | SPC | Acadia, Allen, Avoyelles, Catahoula, Concordia, East Carroll and 7 more | 2 hr |
| Nov 23, 10:01 PM CST | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 38 more | 119 min |
| Nov 23, 11:00 PM CST | Severe Thunderstorm Watch | SPC | Acadia, Ascension, Assumption, Calcasieu, Cameron, Iberia and 15 more | 7 hr |
| Nov 24, 12:30 AM CST | Mesoscale Discussion | SPC | Saint Tammany, Tangipahoa, Washington | 30 min |
| Nov 24, 12:45 AM CST | Tornado Watch | SPC | Saint Helena, Tangipahoa, Washington | 5 hr |
| Nov 24, 1:28 AM CST | Mesoscale Discussion | SPC | Avoyelles, Concordia, East Baton Rouge, East Carroll, East Feliciana, Evangeline and 9 more | 32 min |
| Nov 24, 1:45 AM CST | Tornado Watch | SPC | East Baton Rouge, East Feliciana, Livingston, Pointe Coupee, Saint Helena, Saint Landry and 2 more | 4 hr |
| Nov 24, 2:43 AM CST | Mesoscale Discussion | SPC | Tangipahoa, Washington | 62 min |
| Nov 24, 2:50 AM CST | Tornado Watch | SPC | Ascension, Assumption, East Baton Rouge, Iberville, Jefferson, Lafourche and 11 more | 3 hr |
| Nov 24, 5:35 AM CST | Mesoscale Discussion | SPC | Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard | 25 min |
| Nov 24, 5:55 AM CST | Tornado Watch | SPC | Plaquemines, Saint Bernard | 2 hr |
| Nov 23, 6:23 PM CST | Mesoscale Discussion | SPC | Anderson, Angelina, Bastrop, Bell, Brazos, Burleson and 23 more | 2 hr |
| Nov 23, 7:17 PM CST | Mesoscale Discussion | SPC | Angelina, Austin, Brazoria, Calhoun, Chambers, Cherokee and 35 more | 58 min |
| Nov 23, 7:31 PM CST | Mesoscale Discussion | SPC | Carson, Hansford, Hutchinson, Lipscomb, Moore, Ochiltree and 3 more | 5 hr |
Nearby
Tornado Watches in Texas, 2004Tornado Watches in Louisiana, 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; radar from the NEXRAD Level II archive.