Alert archive / Arkansas / Tornado Watches in 2022

Tornado Watch 131

April 15, 202219 counties in Arkansas; Dunklin County, Pemiscot County, Missouri; 5 counties in Tennessee

The Storm Prediction Center issued this tornado watch at Apr 15, 2022, 7:54 PM CDT for 19 counties in Arkansas; Dunklin County, Pemiscot County, Missouri; 5 counties in Tennessee. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Apr 15, 2022, 7:54 PM CDT (00:54 UTC)
Expired
Apr 16, 2022, 12:00 AM CDT
In force
4 hr
Issued by
the Storm Prediction Center
Largest hail expected
3.5 in
Strongest gust expected
60 kt
All 26 counties

Clay County, AR, Cleburne County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Faulkner County, AR, Greene County, AR, Independence County, AR, Jackson County, AR, Lee County, AR, Lonoke County, AR, Mississippi County, AR, Monroe County, AR, Poinsett County, AR, Prairie County, AR, Pulaski County, AR, St. Francis County, AR, White County, AR, Woodruff County, AR, Dunklin County, MO, Pemiscot County, MO, Fayette County, TN, Haywood County, TN, Lauderdale County, TN, Shelby County, TN, Tipton County, TN

The radar

The Memphis radar (KNQA), 106 km from the middle of the area, began a volume at 00:56 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
30%
Ten or more severe wind reports
30%
One or more gusts of 65 knots or more
20%
Ten or more severe hail reports
60%
One or more hailstones of 2 inches or more
60%
Six or more combined severe hail and wind reports
80%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Apr 15, 8:05 PM CDTTornado Warning EmergencyTornado observedCatastrophic damage threatMEGCraighead, Greene40 min
Apr 15, 8:36 PM CDTTornado WarningMEGCraighead, Greene, Mississippi, Poinsett24 min
Apr 15, 8:50 PM CDTSevere Thunderstorm WarningLZKIndependence, Jackson, White, Woodruff40 min
Apr 15, 8:54 PM CDTSevere Thunderstorm Warning Considerable damage threatMEGCraighead, Greene, Mississippi21 min
Apr 15, 8:59 PM CDTSevere Thunderstorm Warning Destructive damage threatMEGCraighead, Mississippi, Poinsett46 min
Apr 15, 9:14 PM CDTTornado WarningMEGMississippi31 min
Apr 15, 9:41 PM CDTTornado WarningMEGMississippi26 min
Apr 15, 9:54 PM CDTSevere Thunderstorm Warning Considerable damage threatMEGCrockett, Haywood, Lauderdale, Tipton12 min
Apr 15, 10:05 PM CDTSevere Thunderstorm WarningMEGFayette, Haywood, Tipton7 min
Apr 15, 10:42 PM CDTSevere Thunderstorm WarningMEGChester, Hardeman, Haywood, Henderson, McNairy, Madison48 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

Little Rock, AR (KLZK), launched 00:00Z, 0.9 hours before the alert went out and 121 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, Little Rock, AR at 00:00Z on 2022-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 581 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, Little Rock, AR at 00:00Z on 2022-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 215 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
581 J/kg
Mixed-layer CIN
-98 J/kg
Mixed-layer LCL
1075 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
215 m²/s²
0-3 km storm-relative helicity
446 m²/s²
Significant tornado parameter
1.0
Supercell composite
13.7

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 15, 7:09 PM CDTMesoscale DiscussionSPCClay, Craighead, Crittenden, Cross, Greene, Independence and 6 more2 hr
Apr 15, 9:26 PM CDTMesoscale DiscussionSPCCrittenden, Cross, Lee, Poinsett, St. Francis, Woodruff2 hr
Apr 15, 10:02 PM CDTSevere Thunderstorm WatchSPCPhillips6 hr
Apr 15, 11:39 PM CDTMesoscale DiscussionSPCCrawford, Franklin, Logan, Scott, Sebastian, Yell2 hr
Apr 16, 1:58 AM CDTSevere Thunderstorm WatchSPCArkansas, Benton, Bradley, Calhoun, Carroll, Clark and 36 more8 hr
Apr 16, 5:59 AM CDTMesoscale DiscussionSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 11 more2 hr
Apr 16, 11:39 AM CDTMesoscale DiscussionSPCClaiborne, Clarke, Copiah, Covington, Forrest, Greene and 25 more3 hr
Apr 16, 4:33 PM CDTMesoscale DiscussionSPCAdams, Amite, Claiborne, Copiah, Covington, Forrest and 21 more2 hr

Nearby

Tornado Watches in Arkansas, 2022Tornado Watches in Tennessee, 2022Tornado Watches in Missouri, 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.