Alert archive / Louisiana / Tornado Watches in 2022

Tornado Watch 60

March 22, 202225 parishes in Louisiana; 6 counties in Texas

The Storm Prediction Center issued this tornado watch at Mar 22, 2022, 7:08 AM CDT for 25 parishes in Louisiana; 6 counties in Texas. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
Mar 22, 2022, 7:08 AM CDT (12:08 UTC)
Expired
Mar 22, 2022, 2:57 PM CDT
In force
8 hr
Issued by
the Storm Prediction Center
Largest hail expected
1.5 in
Strongest gust expected
65 kt
All 31 counties

Acadia Parish, LA, Allen Parish, LA, Avoyelles Parish, LA, Beauregard Parish, LA, Calcasieu Parish, LA, Caldwell Parish, LA, Cameron Parish, LA, Catahoula Parish, LA, Concordia Parish, LA, East Carroll Parish, LA, Evangeline Parish, LA, Franklin Parish, LA, Grant Parish, LA, Jefferson Davis Parish, LA, Lafayette Parish, LA, LaSalle Parish, LA, Madison Parish, LA, Rapides Parish, LA, Richland Parish, LA, Saint Landry Parish, LA, Tensas Parish, LA, Vermilion Parish, LA, Vernon Parish, LA, West Carroll Parish, LA, Winn Parish, LA, Hardin County, TX, Jasper County, TX, Jefferson County, TX, Newton County, TX, Orange County, TX, Tyler County, TX

The radar

The Ft Polk radar (KPOE), 45 km from the middle of the area, began a volume at 12:10 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
40%
Ten or more severe wind reports
70%
One or more gusts of 65 knots or more
40%
Ten or more severe hail reports
30%
One or more hailstones of 2 inches or more
20%
Six or more combined severe hail and wind reports
90%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Mar 22, 7:19 AM CDTSevere Thunderstorm WarningSHVCaldwell, Jackson, Ouachita, Winn41 min
Mar 22, 7:45 AM CDTTornado WarningLCHHardin, Jasper, Tyler30 min
Mar 22, 8:13 AM CDTTornado WarningLCHJasper, Newton, Tyler32 min
Mar 22, 8:39 AM CDTSevere Thunderstorm WarningLCHHardin, Jasper, Jefferson, Newton, Orange36 min
Mar 22, 9:21 AM CDTSevere Thunderstorm WarningLCHCalcasieu, Cameron39 min
Mar 22, 9:40 AM CDTSevere Thunderstorm WarningLCHAllen, Beauregard35 min
Mar 22, 10:07 AM CDTSevere Thunderstorm WarningJANCatahoula, Franklin, Madison, Richland, Tensas56 min
Mar 22, 10:09 AM CDTTornado WarningLCHAllen, Evangeline, Rapides21 min
Mar 22, 10:13 AM CDTSevere Thunderstorm WarningJANEast Carroll, West Carroll63 min
Mar 22, 10:30 AM CDTTornado WarningLCHAllen, Evangeline30 min
Mar 22, 10:42 AM CDTFlash Flood WarningLCHAllen, Avoyelles, Beauregard, Evangeline, Rapides, Vernon3 hr
Mar 22, 10:50 AM CDTSevere Thunderstorm Warning Considerable damage threatJANEast Carroll, Madison, Tensas55 min
Mar 22, 11:07 AM CDTTornado WarningJANMadison53 min
Mar 22, 12:29 PM CDTFlash Flood WarningLCHAcadia, Allen, Avoyelles, Evangeline, Jefferson Davis, Rapides and 1 more3 hr
Mar 22, 1:43 PM CDTFlash Flood WarningLCHAcadia, Avoyelles, Lafayette, Saint Landry, Saint Martin3 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

Lake Charles Mun, LA (KLCH), launched 12:00Z, 0.1 hours before the alert went out and 137 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 2022-03-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1548 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 2022-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 269 square meters per square second.1939587897117Sfc1 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
1548 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
514 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
269 m²/s²
0-3 km storm-relative helicity
339 m²/s²
Significant tornado parameter
3.5
Supercell composite
13.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 21, 7:03 PM CDTMesoscale DiscussionSPCBossier, Caddo, De Soto57 min
Mar 21, 8:09 PM CDTTornado WatchSPCBossier, Caddo, De Soto, Sabine, Webster6 hr
Mar 21, 10:51 PM CDTMesoscale DiscussionSPCBossier, Caddo114 min
Mar 22, 1:08 AM CDTMesoscale DiscussionSPCBossier, Caddo, De Soto, Webster97 min
Mar 22, 1:58 AM CDTTornado WatchSPCBienville, Bossier, Caddo, Claiborne, De Soto, Lincoln and 4 more5 hr
Mar 22, 4:00 AM CDTMesoscale DiscussionSPCBienville, Claiborne, De Soto, Jackson, Lincoln, Natchitoches and 3 more2 hr
Mar 22, 6:15 AM CDTMesoscale DiscussionSPCAcadia, Allen, Avoyelles, Beauregard, Calcasieu, Caldwell and 20 more90 min
Mar 22, 9:43 AM CDTMesoscale DiscussionSPCAcadia, Allen, Avoyelles, Cameron, Concordia, East Baton Rouge and 14 more2 hr
Mar 22, 10:40 AM CDTTornado WatchSPCAscension, Assumption, East Baton Rouge, East Feliciana, Iberia, Iberville and 19 more8 hr
Mar 22, 12:19 PM CDTMesoscale DiscussionSPCSaint Helena, Tangipahoa, Washington116 min
Mar 22, 3:05 PM CDTMesoscale DiscussionSPCAscension, Assumption, East Baton Rouge, Livingston, Orleans, Saint Charles and 6 more115 min
Mar 22, 5:33 PM CDTMesoscale DiscussionSPCAscension, Assumption, Livingston, Orleans, Saint Helena, Saint James and 4 more87 min
Mar 22, 11:57 AM CDTMesoscale DiscussionSPCAlcorn, Benton, Calhoun, Chickasaw, Grenada, Itawamba and 12 more2 hr
Mar 22, 12:42 PM CDTTornado WatchSPCAlcorn, Benton, Calhoun, Chickasaw, Itawamba, Lafayette and 8 more6 hr
Mar 22, 2:56 PM CDTMesoscale DiscussionSPCLowndes2 hr
Mar 22, 4:08 PM CDTTornado WatchSPCGeorge7 hr
Mar 21, 7:24 PM CDTMesoscale DiscussionSPCAnderson, Bastrop, Bell, Brazos, Burleson, Caldwell and 32 more96 min
Mar 21, 9:12 PM CDTMesoscale DiscussionSPCAnderson, Brazos, Cherokee, Freestone, Henderson, Houston and 8 more93 min
Mar 21, 10:10 PM CDTMesoscale DiscussionSPCBee, Duval, Jim Wells, Live Oak, McMullen, Refugio and 2 more95 min
Mar 22, 12:38 AM CDTMesoscale DiscussionSPCAustin, Bastrop, Brazos, Burleson, Caldwell, Colorado and 27 more67 min
Mar 22, 12:59 AM CDTTornado WatchSPCAustin, Brazoria, Brazos, Burleson, Chambers, Colorado and 20 more8 hr

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.