Alert archive / Arkansas / Tornado Watches in 2022

Tornado Watch 24

February 21, 202238 counties in Arkansas; 12 counties in Oklahoma; Red River County, Texas

The Storm Prediction Center issued this tornado watch at Feb 21, 2022, 8:49 PM CST for 38 counties in Arkansas; 12 counties in Oklahoma; Red River County, Texas. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Feb 21, 2022, 8:49 PM CST (02:49 UTC)
Expired
Feb 22, 2022, 4:00 AM CST
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
1.5 in
Strongest gust expected
60 kt
All 51 counties

Baxter County, AR, Benton County, AR, Boone County, AR, Carroll County, AR, Cleburne County, AR, Conway County, AR, Crawford County, AR, Faulkner County, AR, Franklin County, AR, Fulton County, AR, Garland County, AR, Howard County, AR, Independence County, AR, Izard County, AR, Johnson County, AR, Lawrence County, AR, Little River County, AR, Logan County, AR, Madison County, AR, Marion County, AR, Montgomery County, AR, Newton County, AR, Perry County, AR, Pike County, AR, Polk County, AR, Pope County, AR, Pulaski County, AR, Randolph County, AR, Saline County, AR, Scott County, AR, Searcy County, AR, Sebastian County, AR, Sevier County, AR, Sharp County, AR, Stone County, AR, Van Buren County, AR, Washington County, AR, Yell County, AR, Adair County, OK, Cherokee County, OK, Choctaw County, OK, Haskell County, OK, Latimer County, OK, LeFlore County, OK, McCurtain County, OK, McIntosh County, OK, Muskogee County, OK, Pittsburg County, OK, Pushmataha County, OK, Sequoyah County, OK, Red River County, TX

The radar

The Western Arkansas radar (KSRX), 6 km from the middle of the area, began a volume at 02:50 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
60%
One or more gusts of 65 knots or more
20%
Ten or more severe hail reports
40%
One or more hailstones of 2 inches or more
20%
Six or more combined severe hail and wind reports
90%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Feb 21, 9:36 PM CSTSevere Thunderstorm Warning Considerable damage threatTSALatimer, Pittsburg, Pushmataha39 min
Feb 21, 10:32 PM CSTSevere Thunderstorm WarningTSALatimer, LeFlore, Pushmataha16 min
Feb 21, 11:32 PM CSTTornado WarningTSALeFlore23 min
Feb 21, 11:37 PM CSTFlash Flood WarningTSACrawford, Sebastian4 hr
Feb 21, 11:47 PM CSTTornado WarningTSAFranklin23 min
Feb 21, 11:53 PM CSTSevere Thunderstorm WarningTSASebastian20 min
Feb 22, 12:01 AM CSTSevere Thunderstorm WarningLZKJohnson, Newton44 min
Feb 22, 2:01 AM CSTSevere Thunderstorm WarningLZKBaxter, Independence, Izard, Marion, Searcy, Stone and 1 more44 min
Feb 22, 2:17 AM CSTSevere Thunderstorm WarningLZKLogan, Montgomery, Polk, Scott, Yell28 min
Feb 22, 2:44 AM CSTSevere Thunderstorm WarningLZKConway, Garland, Logan, Perry, Pope, Saline and 2 more46 min
Feb 22, 2:56 AM CSTSevere Thunderstorm WarningLZKConway, Johnson, Logan, Newton, Pope, Searcy and 2 more34 min
Feb 22, 3:24 AM CSTSevere Thunderstorm WarningLZKCleburne, Conway, Faulkner, Independence, Perry, Pope and 4 more51 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

Springfield, MO (KSGF), launched 00:00Z, 2.8 hours before the alert went out and 191 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, Springfield, MO at 00:00Z on 2022-02-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 328 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, Springfield, MO at 00:00Z on 2022-02-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
328 J/kg
Mixed-layer CIN
-75 J/kg
Mixed-layer LCL
1208 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
199 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.2

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 21, 6:41 PM CSTMesoscale DiscussionSPCBenton, Crawford, Franklin, Johnson, Madison, Sebastian and 1 more3 hr
Feb 21, 11:37 PM CSTMesoscale DiscussionSPCConway, Franklin, Garland, Hot Spring, Howard, Johnson and 11 more113 min
Feb 22, 1:36 AM CSTMesoscale DiscussionSPCCleburne, Conway, Faulkner, Franklin, Garland, Johnson and 13 more84 min
Feb 22, 3:00 AM CSTMesoscale DiscussionSPCBaxter, Clay, Cleburne, Conway, Craighead, Cross and 24 more90 min
Feb 22, 3:52 AM CSTTornado WatchSPCClay, Cleburne, Craighead, Crittenden, Cross, Faulkner and 19 more6 hr
Feb 22, 5:46 AM CSTMesoscale DiscussionSPCCraighead, Crittenden, Cross, Lonoke, Mississippi, Monroe and 7 more89 min
Feb 22, 7:30 AM CSTMesoscale DiscussionSPCCrittenden, Cross, Lee, Monroe, St. Francis90 min
Feb 21, 7:22 PM CSTSevere Thunderstorm WatchSPCAtoka, Bryan, Carter, Coal, Cotton, Garvin and 9 more7 hr
Feb 21, 10:36 PM CSTMesoscale DiscussionSPCBryan, Love, Marshall114 min
Feb 22, 12:55 AM CSTMesoscale DiscussionSPCCallahan, Denton, Eastland, Fannin, Grayson, Palo Pinto and 2 more65 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.