Alert archive / Louisiana / Tornado Watches in 2024
Tornado Watch 716
The Storm Prediction Center issued this tornado watch at Dec 26, 2024, 6:09 PM CST for 17 parishes in Louisiana; 5 counties in Texas. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Dec 26, 2024, 6:09 PM CST (00:09 UTC)
- Expired
- Dec 27, 2024, 1:26 AM CST
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 55 kt
All 22 counties
Acadia Parish, LA, Allen Parish, LA, Avoyelles Parish, LA, Beauregard Parish, LA, Calcasieu Parish, LA, Caldwell Parish, LA, Cameron Parish, LA, Evangeline Parish, LA, Grant Parish, LA, Jefferson Davis Parish, LA, LaSalle Parish, LA, Natchitoches Parish, LA, Rapides Parish, LA, Red River Parish, LA, Sabine Parish, LA, Vernon Parish, LA, Winn Parish, LA, Jasper County, TX, Jefferson County, TX, Newton County, TX, Orange County, TX, Sabine County, TX
The radar
The Ft Polk radar (KPOE), 19 km from the middle of the area, began a volume at 00:13 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
- 50%
- One or more EF2 to EF5 tornadoes
- 30%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 20%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 50%
Warnings issued inside it
15 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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 |
| Dec 26, 7:02 PM CST | Severe Thunderstorm Warning | LCH | Beauregard | 28 min |
| Dec 26, 7:17 PM CST | Flash Flood Warning | LCH | Beauregard, Vernon | 3 hr |
| Dec 26, 7:22 PM CST | Severe Thunderstorm Warning | LCH | Beauregard | 38 min |
| Dec 26, 7:27 PM CST | Severe Thunderstorm Warning | SHV | Natchitoches, Red River, Sabine, Winn | 48 min |
| Dec 26, 7:30 PM CST | Severe Thunderstorm Warning | LCH | Jefferson | 45 min |
| Dec 26, 7:43 PM CST | Severe Thunderstorm Warning | SHV | Bienville, Jackson, Lincoln, Natchitoches, Ouachita, Winn | 47 min |
| Dec 26, 7:58 PM CST | Flash Flood Warning | LCH | Orange | 3 hr |
| Dec 26, 8:29 PM CST | Flash Flood Warning | LCH | Rapides, Vernon | 3 hr |
| Dec 26, 8:34 PM CST | Tornado Warning | LCH | Rapides, Vernon | 26 min |
| Dec 26, 8:38 PM CST | Tornado Warning | LCH | Rapides | 18 min |
| Dec 26, 8:58 PM CST | Tornado Warning | LCH | Rapides | 32 min |
| Dec 26, 9:19 PM CST | Flash Flood Warning | LCH | Rapides | 2 hr |
| Dec 26, 9:21 PM CST | Tornado Warning | LCH | Rapides | 24 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
Lake Charles Mun, LA (KLCH), launched 00:00Z, 0.2 hours before the alert went out and 125 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
- 289 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 853 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 236 m²/s²
- 0-3 km storm-relative helicity
- 323 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.8
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 26, 8:53 PM CST | Mesoscale Discussion | SPC | Allen, Beauregard, Calcasieu, Caldwell, Cameron, Evangeline and 9 more | 97 min |
Nearby
Tornado Watches in Louisiana, 2024Tornado Watches in Texas, 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.