Alert archive / Arkansas / Tornado Watches in 2022

Tornado Watch 107

April 11, 202242 counties in Arkansas; 8 counties in Oklahoma; Bowie County, Red River County, Texas

The Storm Prediction Center issued this tornado watch at Apr 11, 2022, 3:31 PM CDT for 42 counties in Arkansas; 8 counties in Oklahoma; Bowie County, Red River County, Texas. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Apr 11, 2022, 3:31 PM CDT (20:31 UTC)
Expired
Apr 11, 2022, 11:00 PM CDT
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
3 in
Strongest gust expected
60 kt
All 52 counties

Bradley County, AR, Calhoun County, AR, Clark County, AR, Cleburne County, AR, Cleveland County, AR, Columbia County, AR, Conway County, AR, Crawford County, AR, Dallas County, AR, Faulkner County, AR, Franklin County, AR, Garland County, AR, Grant County, AR, Hempstead County, AR, Hot Spring County, AR, Howard County, AR, Jefferson County, AR, Johnson County, AR, Lafayette County, AR, Little River County, AR, Logan County, AR, Lonoke County, AR, Miller County, AR, Monroe County, AR, Montgomery County, AR, Nevada County, AR, Ouachita County, AR, Perry County, AR, Pike County, AR, Polk County, AR, Pope County, AR, Prairie County, AR, Pulaski County, AR, Saline County, AR, Scott County, AR, Sebastian County, AR, Sevier County, AR, Union County, AR, Van Buren County, AR, White County, AR, Woodruff County, AR, Yell County, AR, Choctaw County, OK, Haskell County, OK, Latimer County, OK, LeFlore County, OK, McCurtain County, OK, Pittsburg County, OK, Pushmataha County, OK, Sequoyah County, OK, Bowie County, TX, Red River County, TX

The radar

The Western Arkansas radar (KSRX), 59 km from the middle of the area, began a volume at 20:30 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
70%
One or more EF2 to EF5 tornadoes
40%
Ten or more severe wind reports
40%
One or more gusts of 65 knots or more
20%
Ten or more severe hail reports
70%
One or more hailstones of 2 inches or more
60%
Six or more combined severe hail and wind reports
90%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Apr 11, 3:52 PM CDTSevere Thunderstorm WarningTSAHaskell, LeFlore, Sequoyah23 min
Apr 11, 4:13 PM CDTSevere Thunderstorm Warning Considerable damage threatTSACrawford, Sebastian47 min
Apr 11, 4:17 PM CDTTornado WarningTSACrawford, Sebastian43 min
Apr 11, 4:23 PM CDTSevere Thunderstorm WarningLZKClark, Pike37 min
Apr 11, 4:45 PM CDTTornado WarningTSACrawford, Franklin, Sebastian45 min
Apr 11, 4:49 PM CDTSevere Thunderstorm WarningTSACrawford19 min
Apr 11, 5:12 PM CDTTornado WarningTSAFranklin, Sebastian48 min
Apr 11, 5:14 PM CDTSevere Thunderstorm WarningTSACrawford, Sebastian16 min
Apr 11, 5:19 PM CDTTornado WarningLZKJohnson, Logan41 min
Apr 11, 5:28 PM CDTSevere Thunderstorm WarningTSACrawford, Franklin, Sebastian32 min
Apr 11, 5:39 PM CDTSevere Thunderstorm WarningTSALatimer, Pittsburg66 min
Apr 11, 5:58 PM CDTTornado WarningLZKJohnson, Logan47 min
Apr 11, 5:59 PM CDTTornado WarningTSAFranklin, Sebastian30 min
Apr 11, 6:04 PM CDTSevere Thunderstorm WarningLZKConway, Faulkner, Perry, Pope, Yell41 min
Apr 11, 6:08 PM CDTTornado WarningLZKLogan, Yell52 min
Apr 11, 6:39 PM CDTTornado Warning Tornado observedLZKJohnson, Logan, Pope33 min
Apr 11, 6:41 PM CDTSevere Thunderstorm WarningTSALatimer, LeFlore64 min
Apr 11, 6:46 PM CDTSevere Thunderstorm WarningLZKConway, Faulkner, Perry44 min
Apr 11, 6:49 PM CDTTornado WarningLZKJohnson, Logan, Pope, Yell41 min
Apr 11, 7:05 PM CDTTornado WarningTSALatimer, LeFlore40 min
Apr 11, 7:12 PM CDTSevere Thunderstorm WarningTSAPushmataha48 min
Apr 11, 7:21 PM CDTSevere Thunderstorm WarningLZKConway, Pope, Van Buren21 min
Apr 11, 7:26 PM CDTTornado WarningLZKConway, Johnson, Logan, Pope, Yell49 min
Apr 11, 7:30 PM CDTSevere Thunderstorm WarningLZKConway, Faulkner, Lonoke, Pulaski, White45 min
Apr 11, 7:31 PM CDTSevere Thunderstorm WarningLZKGarland, Saline44 min
Apr 11, 7:36 PM CDTSevere Thunderstorm WarningLZKConway, Faulkner, Perry24 min
Apr 11, 7:45 PM CDTSevere Thunderstorm WarningTSALeFlore45 min
Apr 11, 7:50 PM CDTSevere Thunderstorm WarningLZKJohnson, Pope28 min
Apr 11, 7:50 PM CDTTornado WarningTSAChoctaw, Pushmataha40 min
Apr 11, 7:53 PM CDTTornado WarningLZKGarland, Pulaski, Saline52 min
Apr 11, 7:54 PM CDTSevere Thunderstorm Warning Considerable damage threatTSAPushmataha51 min
Apr 11, 7:58 PM CDTTornado Warning EmergencyLZKFaulkner, Lonoke, Pulaski47 min
Apr 11, 8:12 PM CDTSevere Thunderstorm WarningLZKConway, Faulkner, Pope, Van Buren48 min
Apr 11, 8:17 PM CDTSevere Thunderstorm WarningTSASebastian42 min
Apr 11, 8:28 PM CDTTornado WarningTSAChoctaw, Pushmataha26 min
Apr 11, 8:35 PM CDTSevere Thunderstorm WarningLZKFaulkner, Lonoke, Prairie, Pulaski, White40 min
Apr 11, 8:38 PM CDTSevere Thunderstorm WarningLZKGrant, Pulaski, Saline28 min
Apr 11, 8:40 PM CDTSevere Thunderstorm WarningTSAPushmataha21 min
Apr 11, 8:44 PM CDTTornado WarningLZKLonoke, Prairie46 min
Apr 11, 8:51 PM CDTSevere Thunderstorm WarningTSAPushmataha39 min
Apr 11, 8:58 PM CDTTornado WarningLZKConway, Faulkner, Van Buren32 min
Apr 11, 8:59 PM CDTSevere Thunderstorm WarningLZKConway, Pope, Van Buren46 min
Apr 11, 9:15 PM CDTSevere Thunderstorm WarningLZKLonoke, Prairie, White, Woodruff45 min
Apr 11, 9:22 PM CDTSevere Thunderstorm Warning Considerable damage threatLZKFaulkner, White53 min
Apr 11, 9:27 PM CDTSevere Thunderstorm WarningLZKLonoke, Prairie48 min
Apr 11, 9:42 PM CDTSevere Thunderstorm WarningLZKCleburne, Conway, Faulkner, Van Buren48 min
Apr 11, 9:46 PM CDTTornado WarningLZKFaulkner, Lonoke, White44 min
Apr 11, 9:54 PM CDTSevere Thunderstorm WarningLZKMonroe, Prairie, White, Woodruff51 min
Apr 11, 10:05 PM CDTSevere Thunderstorm WarningTSAPittsburg, Pushmataha55 min
Apr 11, 10:15 PM CDTTornado WarningTSAPushmataha45 min
Apr 11, 10:22 PM CDTFlash Flood WarningLZKCleburne, Faulkner, Van Buren, White, Woodruff2 hr
Apr 11, 10:23 PM CDTSevere Thunderstorm WarningLZKLonoke, Prairie, White52 min
Apr 11, 10:30 PM CDTSevere Thunderstorm WarningLZKCleburne, Faulkner, White45 min
Apr 11, 10:46 PM CDTTornado WarningTSAPushmataha28 min
Apr 11, 10:59 PM CDTSevere Thunderstorm WarningTSALatimer, Pittsburg, Pushmataha49 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

Shreveport, LA (KSHV), launched 12:00Z, 8.5 hours before the alert went out and 263 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, Shreveport, LA at 12:00Z on 2022-04-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 300 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, Shreveport, LA at 12:00Z on 2022-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 336 square meters per square second.1939587897Sfc1 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
300 J/kg
Mixed-layer CIN
-307 J/kg
Mixed-layer LCL
675 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
336 m²/s²
0-3 km storm-relative helicity
470 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.

IssuedProductOfficeCountiesLasted
Apr 10, 10:06 PM CDTSevere Thunderstorm WatchSPCBenton6 hr
Apr 11, 1:28 AM CDTMesoscale DiscussionSPCBenton92 min
Apr 11, 12:43 PM CDTMesoscale DiscussionSPCBaxter, Benton, Boone, Carroll, Fulton, Madison and 2 more2 hr
Apr 11, 12:54 PM CDTMesoscale DiscussionSPCCrittenden, Cross, Mississippi, Poinsett, St. Francis96 min
Apr 11, 2:34 PM CDTMesoscale DiscussionSPCClark, Conway, Dallas, Faulkner, Franklin, Garland and 23 more116 min
Apr 11, 5:37 PM CDTMesoscale DiscussionSPCConway, Faulkner, Logan, Pope113 min
Apr 11, 6:46 PM CDTMesoscale DiscussionSPCClark, Garland, Hempstead, Howard, Little River, Montgomery and 6 more89 min
Apr 10, 8:16 PM CDTMesoscale DiscussionSPCBlaine, Craig, Creek, Garfield, Kay, Kingfisher and 10 more2 hr
Apr 10, 11:26 PM CDTMesoscale DiscussionSPCCraig, Garfield, Grant, Kay, Kingfisher, Logan and 8 more2 hr
Apr 11, 4:46 PM CDTMesoscale DiscussionSPCAtoka, Bryan, Choctaw, Johnston, Marshall, Pushmataha89 min
Apr 11, 5:18 PM CDTSevere Thunderstorm WatchSPCAtoka, Bryan, Coal, Johnston, Marshall4 hr
Apr 10, 8:45 PM CDTMesoscale DiscussionSPCAtascosa, Bexar, Karnes, Live Oak, McMullen, Medina and 1 more60 min

Nearby

Tornado Watches in Arkansas, 2022Tornado Watches in Oklahoma, 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.