Alert archive / Louisiana / Tornado Watches in 2024
Tornado Watch 95
The Storm Prediction Center issued this tornado watch at Apr 9, 2024, 2:24 PM CDT for 17 parishes in Louisiana; 11 counties in Texas. It was in force for 11 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 9, 2024, 2:24 PM CDT (19:24 UTC)
- Expired
- Apr 10, 2024, 1:00 AM CDT
- In force
- 11 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 65 kt
All 28 counties
Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Caldwell Parish, LA, Claiborne Parish, LA, De Soto Parish, LA, Grant Parish, LA, Jackson Parish, LA, LaSalle Parish, LA, Lincoln Parish, LA, Natchitoches Parish, LA, Ouachita Parish, LA, Red River Parish, LA, Sabine Parish, LA, Union Parish, LA, Webster Parish, LA, Winn Parish, LA, Angelina County, TX, Cherokee County, TX, Gregg County, TX, Harrison County, TX, Nacogdoches County, TX, Panola County, TX, Rusk County, TX, Sabine County, TX, San Augustine County, TX, Shelby County, TX, Smith County, TX
The radar
The Shreveport radar (KSHV), 42 km from the middle of the area, began a volume at 19:28 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
- 60%
- One or more EF2 to EF5 tornadoes
- 30%
- Ten or more severe wind reports
- 70%
- One or more gusts of 65 knots or more
- 50%
- Ten or more severe hail reports
- 50%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
18 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 2:40 PM CDT | Severe Thunderstorm Warning | SHV | Cherokee, Nacogdoches, Panola, Rusk, Shelby | 33 min |
| Apr 9, 3:11 PM CDT | Severe Thunderstorm Warning | SHV | Caddo, De Soto | 49 min |
| Apr 9, 3:36 PM CDT | Flash Flood Warning | SHV | Cherokee, Gregg, Harrison, Nacogdoches, Panola, Rusk and 2 more | 5 hr |
| Apr 9, 3:41 PM CDT | Flash Flood Warning | SHV | Bienville, Bossier, Caddo, Claiborne, De Soto, Red River and 1 more | 10 hr |
| Apr 9, 3:52 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Bossier, Caddo, De Soto, Red River, Webster | 38 min |
| Apr 9, 4:48 PM CDT | Flash Flood Warning | SHV | Bienville, De Soto, Natchitoches, Red River, Sabine | 9 hr |
| Apr 9, 5:18 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Jackson, Lincoln, Natchitoches, Ouachita, Winn | 42 min |
| Apr 9, 5:47 PM CDT | Flash Flood Warning | SHV | Bienville, Caldwell, Claiborne, Jackson, Lincoln, Ouachita and 1 more | 5 hr |
| Apr 9, 5:52 PM CDT | Severe Thunderstorm Warning | SHV | Caldwell, Jackson, Lincoln, Ouachita, Union, Winn | 38 min |
| Apr 9, 6:32 PM CDT | Severe Thunderstorm Warning | SHV | Caldwell, Jackson, LaSalle, Ouachita, Winn | 43 min |
| Apr 9, 8:10 PM CDT | Severe Thunderstorm Warning | SHV | Sabine | 50 min |
| Apr 9, 8:49 PM CDT | Tornado Warning | SHV | Sabine | 26 min |
| Apr 9, 9:00 PM CDT | Severe Thunderstorm Warning | SHV | Natchitoches, Sabine | 45 min |
| Apr 9, 9:12 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Bossier, Caddo, De Soto, Red River, Webster | 48 min |
| Apr 9, 9:23 PM CDT | Flash Flood Warning | SHV | Sabine | 5 hr |
| Apr 9, 11:04 PM CDT | Flash Flood Warning | SHV | Bienville, Grant, Jackson, Natchitoches, Red River, Winn | 3 hr |
| Apr 9, 11:41 PM CDT | Severe Thunderstorm Warning | SHV | Angelina | 35 min |
| Apr 10, 12:47 AM CDT | Flash Flood Warning | SHV | Caldwell, Grant, LaSalle | 13 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
Shreveport, LA (KSHV), launched 12:00Z, 7.4 hours before the alert went out and 47 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
- 2 J/kg
- Mixed-layer CIN
- -355 J/kg
- Mixed-layer LCL
- 575 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 103 m²/s²
- 0-3 km storm-relative helicity
- 278 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 7:52 PM CDT | Tornado Watch | SPC | Bienville, Bossier, Caddo, Claiborne, De Soto, Red River and 1 more | 5 hr |
| Apr 9, 8:48 AM CDT | Mesoscale Discussion | SPC | De Soto, Sabine | 117 min |
| Apr 9, 1:52 PM CDT | Mesoscale Discussion | SPC | Bienville, Caldwell, De Soto, Grant, Jackson, LaSalle and 4 more | 83 min |
| Apr 9, 3:50 PM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Caldwell, De Soto, Grant and 9 more | 85 min |
| Apr 9, 5:17 PM CDT | Mesoscale Discussion | SPC | Bienville, Caldwell, Catahoula, Concordia, Franklin, Grant and 12 more | 88 min |
| Apr 9, 5:49 PM CDT | Severe Thunderstorm Watch | SPC | Catahoula, Concordia, East Carroll, Franklin, Madison, Morehouse and 3 more | 6 hr |
| Apr 8, 7:27 PM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Fisher, Haskell, Jones, Kent and 7 more | 93 min |
| Apr 8, 9:02 PM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Clay, Collin, Cooke, Denton and 15 more | 88 min |
| Apr 8, 10:18 PM CDT | Severe Thunderstorm Watch | SPC | Archer, Clay, Collin, Cooke, Dallas, Delta and 15 more | 6 hr |
| Apr 8, 10:59 PM CDT | Mesoscale Discussion | SPC | Andrews, Borden, Crane, Dawson, Ector, Gaines and 10 more | 3 hr |
| Apr 8, 11:49 PM CDT | Mesoscale Discussion | SPC | Collin, Cooke, Dallas, Denton, Jack, Palo Pinto and 7 more | 86 min |
| Apr 9, 2:57 AM CDT | Mesoscale Discussion | SPC | Collin, Dallas, Delta, Ellis, Erath, Fannin and 12 more | 93 min |
| Apr 9, 5:30 AM CDT | Mesoscale Discussion | SPC | Andrews, Borden, Coke, Crane, Dawson, Ector and 13 more | 2 hr |
| Apr 9, 7:47 AM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Callahan, Coke, Coleman, Eastland and 18 more | 118 min |
| Apr 9, 9:40 AM CDT | Tornado Watch | SPC | Anderson, Bastrop, Bell, Blanco, Brazos, Burleson and 21 more | 7 hr |
| Apr 9, 11:30 AM CDT | Mesoscale Discussion | SPC | Brown, Callahan, Coke, Coleman, Concho, Eastland and 9 more | 3 hr |
| Apr 9, 12:12 PM CDT | Mesoscale Discussion | SPC | Anderson, Bell, Burnet, Coryell, Falls, Freestone and 8 more | 93 min |
| Apr 9, 3:55 PM CDT | Mesoscale Discussion | SPC | Bastrop, Blanco, Burnet, Caldwell, Comal, Gillespie and 8 more | 95 min |
| Apr 9, 4:25 PM CDT | Severe Thunderstorm Watch | SPC | Bastrop, Bell, Blanco, Burnet, Coryell, Falls and 13 more | 7 hr |
| Apr 9, 6:40 PM CDT | Mesoscale Discussion | SPC | Bastrop, Bell, Blanco, Burnet, Caldwell, Comal and 11 more | 95 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.