Alert archive / Texas / Tornado Watches in 2024
Tornado Watch 719
The Storm Prediction Center issued this tornado watch at Dec 28, 2024, 10:16 AM CST for 19 counties in Texas. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Dec 28, 2024, 10:16 AM CST (16:16 UTC)
- Expired
- Dec 28, 2024, 5:00 PM CST
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
Counties Anderson County, TX, Bell County, TX, Brazos County, TX, Burleson County, TX, Chambers County, TX, Falls County, TX, Freestone County, TX, Grimes County, TX, Leon County, TX, Liberty County, TX, Limestone County, TX, Madison County, TX, McLennan County, TX, Milam County, TX, Montgomery County, TX, Robertson County, TX, San Jacinto County, TX, Walker County, TX, Washington County, TX
The radar
The Ft Hood radar (KGRK), 140 km from the middle of the area, began a volume at 16:16 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
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 60%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 60%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
14 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 28, 11:29 AM CST | Tornado Warning | HGX | Harris, Montgomery | 46 min |
| Dec 28, 11:44 AM CST | Severe Thunderstorm Warning | HGX | Montgomery, San Jacinto, Walker | 46 min |
| Dec 28, 11:46 AM CST | Severe Thunderstorm Warning | HGX | Brazos, Burleson, Grimes, Washington | 59 min |
| Dec 28, 12:01 PM CST | Tornado Warning | HGX | Liberty, Montgomery | 44 min |
| Dec 28, 12:04 PM CST | Severe Thunderstorm Warning | HGX | Harris, Montgomery | 41 min |
| Dec 28, 12:27 PM CST | Severe Thunderstorm Warning | HGX | Austin, Burleson, Washington | 48 min |
| Dec 28, 12:38 PM CST | Tornado Warning | HGX | Harris, Liberty, Montgomery | 37 min |
| Dec 28, 1:11 PM CST | Severe Thunderstorm Warning | HGX | Liberty, Polk | 34 min |
| Dec 28, 1:31 PM CST | Severe Thunderstorm Warning | HGX | Houston, Madison, Trinity, Walker | 44 min |
| Dec 28, 2:16 PM CST | Tornado Warning | HGX | Chambers | 44 min |
| Dec 28, 2:26 PM CST | Severe Thunderstorm Warning | HGX | Harris, Montgomery | 34 min |
| Dec 28, 2:35 PM CST | Severe Thunderstorm Warning | HGX | Polk, San Jacinto | 40 min |
| Dec 28, 2:47 PM CST | Tornado Warning | HGX | Chambers | 28 min |
| Dec 28, 3:45 PM CST | Severe Thunderstorm Warning | HGX | Liberty | 30 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, 4.3 hours before the alert went out and 258 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
- 1542 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 449 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 178 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.3
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 28, 4:46 AM CST | Mesoscale Discussion | SPC | Bowie, Camp, Cass, Collin, Dallas, Delta and 16 more | 89 min |
| Dec 28, 5:23 AM CST | Severe Thunderstorm Watch | SPC | Bosque, Bowie, Camp, Cass, Collin, Dallas and 31 more | 9 hr |
| Dec 28, 6:25 AM CST | Mesoscale Discussion | SPC | Anderson, Angelina, Austin, Brazos, Burleson, Cherokee and 31 more | 2 hr |
| Dec 28, 7:38 AM CST | Mesoscale Discussion | SPC | Bosque, Bowie, Camp, Cass, Ellis, Franklin and 14 more | 67 min |
| Dec 28, 7:38 AM CST | Tornado Watch | SPC | Angelina, Cherokee, Gregg, Hardin, Harrison, Houston and 11 more | 7 hr |
| Dec 28, 8:38 AM CST | Mesoscale Discussion | SPC | Anderson, Bastrop, Bell, Blanco, Brazos, Burleson and 16 more | 97 min |
| Dec 28, 9:33 AM CST | Mesoscale Discussion | SPC | Angelina, Cherokee, Hardin, Houston, Jasper, Nacogdoches and 9 more | 117 min |
| Dec 28, 10:24 AM CST | Mesoscale Discussion | SPC | Cass, Harrison, Marion | 96 min |
| Dec 28, 11:47 AM CST | Mesoscale Discussion | SPC | Angelina, Austin, Brazos, Burleson, Cherokee, Grimes and 24 more | 88 min |
| Dec 28, 1:34 PM CST | Mesoscale Discussion | SPC | Hardin, Jasper, Newton, Orange | 86 min |
| Dec 28, 2:17 PM CST | Tornado Watch | SPC | Angelina, Hardin, Jasper, Jefferson, Nacogdoches, Newton and 5 more | 8 hr |
| Dec 28, 3:46 PM CST | Mesoscale Discussion | SPC | Jefferson, Orange | 89 min |
Nearby
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.