Alert archive / Mississippi / Tornado Watches in 2024

Tornado Watch 20

February 11, 202420 parishes in Louisiana; 30 counties in Mississippi

The Storm Prediction Center issued this tornado watch at Feb 11, 2024, 12:18 PM CST for 20 parishes in Louisiana; 30 counties in Mississippi. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued: Feb 11, 2024, 12:18 PM CST (18:18 UTC)
Expired: Feb 11, 2024, 7:00 PM CST
In force: 7 hr
Issued by: the Storm Prediction Center
Largest hail expected: 2.5 in
Strongest gust expected: 60 kt

All 50 counties

Allen Parish, LA, Avoyelles Parish, LA, Beauregard Parish, LA, Caldwell Parish, LA, Catahoula Parish, LA, Concordia Parish, LA, East Feliciana Parish, LA, Evangeline Parish, LA, Franklin Parish, LA, Grant Parish, LA, LaSalle Parish, LA, Natchitoches Parish, LA, Pointe Coupee Parish, LA, Rapides Parish, LA, Sabine Parish, LA, Saint Landry Parish, LA, Tensas Parish, LA, Vernon Parish, LA, West Feliciana Parish, LA, Winn Parish, LA, Adams County, MS, Amite County, MS, Claiborne County, MS, Clarke County, MS, Copiah County, MS, Covington County, MS, Forrest County, MS, Franklin County, MS, Hinds County, MS, Jasper County, MS, Jefferson County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lamar County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Lincoln County, MS, Madison County, MS, Marion County, MS, Neshoba County, MS, Newton County, MS, Pike County, MS, Rankin County, MS, Scott County, MS, Simpson County, MS, Smith County, MS, Warren County, MS, Wilkinson County, MS

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: 60%
One or more gusts of 65 knots or more: 20%
Ten or more severe hail reports: 80%
One or more hailstones of 2 inches or more: 80%
Six or more combined severe hail and wind reports: 95%

Warnings issued inside it

22 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
Feb 11, 12:40 PM CST	Severe Thunderstorm Warning	SHV	Sabine	50 min
Feb 11, 1:31 PM CST	Severe Thunderstorm Warning	LCH	Vernon	29 min
Feb 11, 2:04 PM CST	Tornado Warning	LCH	Vernon	13 min
Feb 11, 2:18 PM CST	Tornado Warning	LCH	Rapides, Vernon	27 min
Feb 11, 2:28 PM CST	Severe Thunderstorm Warning	JAN	Attala, Leake, Madison	43 min
Feb 11, 2:48 PM CST	Severe Thunderstorm Warning	LCH	Rapides, Vernon	27 min
Feb 11, 3:04 PM CST	Severe Thunderstorm Warning	SHV	Grant, LaSalle	41 min
Feb 11, 3:14 PM CST	Severe Thunderstorm Warning	LCH	Vernon	31 min
Feb 11, 3:43 PM CST	Severe Thunderstorm Warning	SHV	Caldwell, Grant, LaSalle	47 min
Feb 11, 4:16 PM CST	Severe Thunderstorm Warning	LCH	Avoyelles, Rapides	32 min
Feb 11, 4:29 PM CST	Severe Thunderstorm Warning	JAN	Leake, Scott	27 min
Feb 11, 4:39 PM CST	Severe Thunderstorm Warning	JAN	Clarke	29 min
Feb 11, 4:48 PM CST	Severe Thunderstorm Warning	JAN	Tensas	42 min
Feb 11, 4:49 PM CST	Severe Thunderstorm Warning	JAN	Hinds	24 min
Feb 11, 5:15 PM CST	Flash Flood Warning	JAN	Tensas	3 hr
Feb 11, 5:18 PM CST	Severe Thunderstorm Warning Considerable damage threat	JAN	Claiborne, Hinds, Madison, Warren, Yazoo	57 min
Feb 11, 5:30 PM CST	Flash Flood Warning	LCH	Avoyelles, Rapides	3 hr
Feb 11, 5:59 PM CST	Severe Thunderstorm Warning	JAN	Madison, Rankin	46 min
Feb 11, 6:21 PM CST	Severe Thunderstorm Warning	JAN	Leake, Scott	39 min
Feb 11, 6:26 PM CST	Severe Thunderstorm Warning	LCH	Avoyelles, Rapides	15 min
Feb 11, 6:40 PM CST	Severe Thunderstorm Warning	JAN	Catahoula, Concordia	20 min
Feb 11, 6:45 PM CST	Severe Thunderstorm Warning	JAN	Attala, Neshoba, Winston	26 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

Jackson, MS (KJAN), launched 12:00Z, 6.3 hours before the alert went out and 165 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 802 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 6 m²/s²
0-3 km storm-relative helicity: 52 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 11, 6:40 AM CST	Mesoscale Discussion	SPC	Bienville, Bossier, Caddo, Claiborne, De Soto, Lincoln and 1 more	3 hr
Feb 11, 7:52 AM CST	Severe Thunderstorm Watch	SPC	Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 11 more	5 hr
Feb 11, 9:20 AM CST	Mesoscale Discussion	SPC	Bienville, Bossier, Caddo, Claiborne, De Soto, Jackson and 8 more	85 min
Feb 11, 10:25 AM CST	Mesoscale Discussion	SPC	East Carroll, Madison, Morehouse, Richland, West Carroll	95 min
Feb 11, 11:04 AM CST	Mesoscale Discussion	SPC	Allen, Avoyelles, Beauregard, Catahoula, Concordia, East Feliciana and 8 more	116 min
Feb 11, 11:37 AM CST	Severe Thunderstorm Watch	SPC	East Carroll, Madison, Morehouse, Richland, West Carroll	6 hr
Feb 11, 1:47 PM CST	Mesoscale Discussion	SPC	Allen, Avoyelles, Catahoula, Concordia, Evangeline, Rapides and 3 more	118 min
Feb 10, 9:28 PM CST	Mesoscale Discussion	SPC	Copiah, Hinds, Leake, Madison, Neshoba, Newton and 4 more	2 hr
Feb 11, 1:55 PM CST	Mesoscale Discussion	SPC	Attala, Carroll, Choctaw, Clay, Holmes, Montgomery and 4 more	95 min

Nearby

Tornado Watches in Mississippi, 2024 Tornado Watches in Louisiana, 2024 Every 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.