Alert archive / Louisiana / Tornado Watches in 2022

Tornado Watch 126

April 13, 202210 parishes in Louisiana; Newton County, Texas

The Storm Prediction Center issued this tornado watch at Apr 13, 2022, 5:25 PM CDT for 10 parishes in Louisiana; Newton County, Texas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Apr 13, 2022, 5:25 PM CDT (22:25 UTC)
Expired
Apr 13, 2022, 10:00 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center
Largest hail expected
1.5 in
Strongest gust expected
65 kt

Counties Acadia Parish, LA, Allen Parish, LA, Avoyelles Parish, LA, Beauregard Parish, LA, Calcasieu Parish, LA, Evangeline Parish, LA, Jefferson Davis Parish, LA, Rapides Parish, LA, Saint Landry Parish, LA, Vernon Parish, LA, Newton County, TX

The radar

The Ft Polk radar (KPOE), 33 km from the middle of the area, began a volume at 22:28 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
40%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
40%
One or more gusts of 65 knots or more
30%
Ten or more severe hail reports
20%
One or more hailstones of 2 inches or more
20%
Six or more combined severe hail and wind reports
60%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Apr 13, 5:50 PM CDTTornado WarningLCHRapides, Vernon10 min
Apr 13, 7:04 PM CDTSevere Thunderstorm Warning Considerable damage threatLCHAllen, Avoyelles, Evangeline, Rapides, Saint Landry41 min
Apr 13, 7:28 PM CDTSevere Thunderstorm WarningLCHAvoyelles47 min
Apr 13, 7:42 PM CDTSevere Thunderstorm WarningLCHAllen, Avoyelles, Evangeline, Saint Landry48 min
Apr 13, 8:24 PM CDTSevere Thunderstorm WarningLCHEvangeline, Saint Landry36 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 12:00Z, 10.4 hours before the alert went out and 86 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-pSkew-T log-p diagram, Lake Charles Mun, LA at 12:00Z on 2022-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1758 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lake Charles Mun, LA at 12:00Z on 2022-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 292 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1758 J/kg
Mixed-layer CIN
-149 J/kg
Mixed-layer LCL
617 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
292 m²/s²
0-3 km storm-relative helicity
450 m²/s²
Significant tornado parameter
0.8
Supercell composite
10.5

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 12, 7:29 PM CDTTornado WatchSPCBienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 11 more7 hr
Apr 12, 9:39 PM CDTMesoscale DiscussionSPCBienville, Bossier, Caddo, Claiborne, De Soto, Jackson and 8 more96 min
Apr 12, 11:11 PM CDTMesoscale DiscussionSPCCaldwell, Catahoula, East Carroll, Franklin, Madison, Morehouse and 4 more2 hr
Apr 12, 11:21 PM CDTTornado WatchSPCCatahoula, Concordia, East Carroll, Franklin, Madison, Morehouse and 3 more4 hr
Apr 13, 7:05 AM CDTMesoscale DiscussionSPCBossier, Caddo2 hr
Apr 13, 10:07 AM CDTMesoscale DiscussionSPCBienville, Bossier, Caddo, Claiborne, Lincoln, Red River and 2 more83 min
Apr 13, 10:37 AM CDTTornado WatchSPCBienville, Bossier, Caddo, Claiborne, De Soto, Jackson and 7 more6 hr
Apr 13, 2:48 PM CDTTornado WatchSPCBienville, Caldwell, Catahoula, Claiborne, Concordia, De Soto and 17 more8 hr
Apr 13, 3:36 PM CDTMesoscale DiscussionSPCCaldwell, Catahoula, Concordia, East Carroll, Franklin, Grant and 11 more84 min
Apr 13, 5:11 PM CDTMesoscale DiscussionSPCAcadia, Allen, Avoyelles, Beauregard, Calcasieu, Cameron and 12 more2 hr
Apr 13, 6:29 PM CDTMesoscale DiscussionSPCAvoyelles, Catahoula, Concordia, East Carroll, Franklin, Madison and 1 more91 min
Apr 12, 8:49 PM CDTMesoscale DiscussionSPCLeon, Madison, Robertson, Walker86 min
Apr 13, 11:57 AM CDTMesoscale DiscussionSPCAnderson, Camp, Delta, Ellis, Falls, Fannin and 19 more93 min
Apr 13, 12:38 PM CDTMesoscale DiscussionSPCAnderson, Camp, Delta, Ellis, Falls, Fannin and 19 more97 min

Nearby

Tornado Watches in Louisiana, 2022Tornado Watches in Texas, 2022Every tornado watch in 2022

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.