Alert archive / Texas / Tornado Watches in 2024
Tornado Watch 715
The Storm Prediction Center issued this tornado watch at Dec 26, 2024, 11:34 AM CST for De Soto Parish, Sabine Parish, Louisiana; 42 counties in Texas. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Dec 26, 2024, 11:34 AM CST (17:34 UTC)
- Expired
- Dec 26, 2024, 7:00 PM CST
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 44 counties
De Soto Parish, LA, Sabine Parish, LA, Anderson County, TX, Angelina County, TX, Austin County, TX, Brazoria County, TX, Brazos County, TX, Burleson County, TX, Chambers County, TX, Cherokee County, TX, Colorado County, TX, Falls County, TX, Fort Bend County, TX, Freestone County, TX, Galveston County, TX, Grimes County, TX, Hardin County, TX, Harris County, TX, Houston County, TX, Jasper County, TX, Jefferson County, TX, Leon County, TX, Liberty County, TX, Limestone County, TX, Madison County, TX, Milam County, TX, Montgomery County, TX, Nacogdoches County, TX, Newton County, TX, Orange County, TX, Panola County, TX, Polk County, TX, Robertson County, TX, Rusk County, TX, Sabine County, TX, San Augustine County, TX, San Jacinto County, TX, Shelby County, TX, Trinity County, TX, Tyler County, TX, Walker County, TX, Waller County, TX, Washington County, TX, Wharton County, TX
The radar
The Shreveport radar (KSHV), 165 km from the middle of the area, began a volume at 17:34 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 SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 70%
- One or more EF2 to EF5 tornadoes
- 40%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
25 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 26, 1:26 PM CST | Severe Thunderstorm Warning | SHV | De Soto | 38 min |
| Dec 26, 2:15 PM CST | Tornado Warning | HGX | Wharton | 17 min |
| Dec 26, 3:45 PM CST | Tornado Warning | HGX | Liberty, Polk, San Jacinto | 30 min |
| Dec 26, 3:50 PM CST | Tornado Warning | HGX | Harris, Liberty | 25 min |
| Dec 26, 3:52 PM CST | Tornado Warning | LCH | Hardin, Tyler | 38 min |
| Dec 26, 3:55 PM CST | Severe Thunderstorm Warning | SHV | De Soto, Natchitoches, Red River, Sabine | 50 min |
| Dec 26, 4:03 PM CST | Severe Thunderstorm Warning | HGX | Harris, Liberty | 27 min |
| Dec 26, 4:11 PM CST | Tornado Warning | HGX | Liberty | 34 min |
| Dec 26, 4:13 PM CST | Severe Thunderstorm Warning | HGX | Harris | 32 min |
| Dec 26, 4:24 PM CST | Severe Thunderstorm Warning | LCH | Hardin | 51 min |
| Dec 26, 4:35 PM CST | Tornado Warning | HGX | Liberty | 25 min |
| Dec 26, 4:46 PM CST | Severe Thunderstorm Warning | SHV | Angelina, Sabine, San Augustine | 44 min |
| Dec 26, 4:49 PM CST | Tornado Warning | LCH | Hardin, Tyler | 26 min |
| Dec 26, 4:56 PM CST | Tornado Warning | HGX | Liberty | 19 min |
| Dec 26, 5:02 PM CST | Tornado Warning | HGX | Liberty | 28 min |
| Dec 26, 5:02 PM CST | Flash Flood Warning | LCH | Hardin | 4 hr |
| Dec 26, 5:11 PM CST | Flash Flood Warning | LCH | Newton | 3 hr |
| Dec 26, 5:20 PM CST | Severe Thunderstorm Warning | HGX | Chambers, Harris, Liberty | 25 min |
| Dec 26, 5:32 PM CST | Severe Thunderstorm Warning | LCH | Jasper, Newton, Tyler | 44 min |
| Dec 26, 5:37 PM CST | Flash Flood Warning | LCH | Hardin, Jasper, Newton, Tyler | 5 hr |
| Dec 26, 5:43 PM CST | Severe Thunderstorm Warning | HGX | Chambers, Liberty | 47 min |
| Dec 26, 5:52 PM CST | Severe Thunderstorm Warning | SHV | De Soto, Natchitoches, Sabine | 38 min |
| Dec 26, 5:54 PM CST | Tornado Warning | SHV | Natchitoches, Sabine | 36 min |
| Dec 26, 6:09 PM CST | Severe Thunderstorm Warning | LCH | Jefferson | 51 min |
| Dec 26, 6:41 PM CST | Flash Flood Warning | LCH | Hardin, Jefferson, Orange | 3 hr |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 5.6 hours before the alert went out and 192 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
- 18 J/kg
- Mixed-layer CIN
- -95 J/kg
- Mixed-layer LCL
- 568 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 241 m²/s²
- 0-3 km storm-relative helicity
- 331 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 26, 11:14 AM CST | Mesoscale Discussion | SPC | Bossier, Caddo | 91 min |
| Dec 26, 11:19 AM CST | Severe Thunderstorm Watch | SPC | Bossier, Caddo | 8 hr |
| Dec 26, 1:12 PM CST | Mesoscale Discussion | SPC | Bossier, Caddo | 2 hr |
| Dec 26, 4:57 PM CST | Mesoscale Discussion | SPC | Allen, Beauregard, Calcasieu, Cameron, Evangeline, Jefferson Davis and 2 more | 63 min |
| Dec 26, 9:18 AM CST | Mesoscale Discussion | SPC | Bell, Bosque, Collin, Coryell, Dallas, Denton and 20 more | 117 min |
| Dec 26, 10:23 AM CST | Mesoscale Discussion | SPC | Angelina, Austin, Brazos, Burleson, Chambers, Colorado and 22 more | 3 hr |
| Dec 26, 1:14 PM CST | Mesoscale Discussion | SPC | Anderson, Angelina, Austin, Brazoria, Chambers, Cherokee and 26 more | 2 hr |
| Dec 26, 3:26 PM CST | Mesoscale Discussion | SPC | Angelina, Brazoria, Chambers, Fort Bend, Hardin, Harris and 11 more | 2 hr |
Nearby
Tornado Watches in Texas, 2024Tornado Watches in Louisiana, 2024Every tornado watch in 2024
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.