Alert archive / Arkansas / Tornado Watches in 2024
Tornado Watch 283
The Storm Prediction Center issued this tornado watch at May 21, 2024, 8:18 PM CDT for 31 counties in Arkansas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 21, 2024, 8:18 PM CDT (01:18 UTC)
- Expired
- May 22, 2024, 2:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 31 counties
Arkansas County, AR, Baxter County, AR, Boone County, AR, Cleburne County, AR, Conway County, AR, Faulkner County, AR, Fulton County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Johnson County, AR, Lawrence County, AR, Logan County, AR, Lonoke County, AR, Marion County, AR, Monroe County, AR, Newton County, AR, Perry County, AR, Pope County, AR, Prairie County, AR, Pulaski County, AR, Randolph County, AR, Saline County, AR, Scott County, AR, Searcy County, AR, Sharp County, AR, Stone County, AR, Van Buren County, AR, White County, AR, Woodruff County, AR, Yell County, AR
The radar
The Little Rock radar (KLZK), 110 km from the middle of the area, began a volume at 01:19 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
- 20%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
14 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 8:18 PM CDT | Tornado Warning | LZK | Conway, Van Buren | 12 min |
| May 21, 8:22 PM CDT | Severe Thunderstorm Warning | LZK | Conway, Pope | 38 min |
| May 21, 8:28 PM CDT | Severe Thunderstorm Warning | LZK | Logan, Perry, Scott, Yell | 47 min |
| May 21, 8:50 PM CDT | Tornado Warning | LZK | Conway, Perry, Saline, Yell | 25 min |
| May 21, 8:54 PM CDT | Tornado Warning | LZK | Cleburne, Conway, Faulkner, Van Buren | 24 min |
| May 21, 9:17 PM CDT | Severe Thunderstorm Warning | LZK | Cleburne, Faulkner, Van Buren, White | 43 min |
| May 21, 9:52 PM CDT | Severe Thunderstorm Warning | LZK | Cleburne, Faulkner, Independence, White | 38 min |
| May 21, 11:00 PM CDT | Severe Thunderstorm Warning | LZK | Jackson, White, Woodruff | 33 min |
| May 21, 11:14 PM CDT | Severe Thunderstorm Warning | LZK | Faulkner, Lonoke, Pulaski, Saline | 46 min |
| May 21, 11:27 PM CDT | Severe Thunderstorm Warning | LZK | Grant, Jefferson, Lonoke, Pulaski, Saline | 48 min |
| May 21, 11:53 PM CDT | Severe Thunderstorm Warning | LZK | Woodruff | 22 min |
| May 22, 12:09 AM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Jefferson, Lonoke, Prairie, Pulaski | 51 min |
| May 22, 12:53 AM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Jefferson, Lonoke, Monroe, Prairie | 52 min |
| May 22, 1:43 AM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Monroe | 16 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, 1.3 hours before the alert went out and 195 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.
- Mixed-layer CAPE
- 1607 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 912 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 341 m²/s²
- 0-3 km storm-relative helicity
- 268 m²/s²
- Significant tornado parameter
- 3.4
- Supercell composite
- 16.1
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 7:55 PM CDT | Mesoscale Discussion | SPC | Baxter, Benton, Boone, Carroll, Clay, Cleburne and 29 more | 2 hr |
| May 21, 10:39 PM CDT | Mesoscale Discussion | SPC | Conway, Crittenden, Cross, Faulkner, Franklin, Garland and 16 more | 2 hr |
| May 22, 1:58 AM CDT | Mesoscale Discussion | SPC | Lee, Monroe, Phillips | 62 min |
| May 22, 3:15 AM CDT | Mesoscale Discussion | SPC | Clark, Cleburne, Conway, Dallas, Faulkner, Garland and 19 more | 2 hr |
| May 22, 5:37 AM CDT | Mesoscale Discussion | SPC | Benton, Crawford, Franklin, Madison, Sebastian, Washington | 113 min |
| May 22, 9:49 AM CDT | Mesoscale Discussion | SPC | Clark, Conway, Crawford, Faulkner, Franklin, Garland and 18 more | 116 min |
| May 22, 10:02 AM CDT | Severe Thunderstorm Watch | SPC | Arkansas, Calhoun, Clark, Cleburne, Cleveland, Conway and 42 more | 7 hr |
| May 22, 11:26 AM CDT | Mesoscale Discussion | SPC | Craighead, Crittenden, Cross, Lee, Mississippi, Monroe and 5 more | 2 hr |
| May 22, 11:46 AM CDT | Severe Thunderstorm Watch | SPC | Clay, Craighead, Crittenden, Cross, Greene, Lee and 4 more | 6 hr |
| May 22, 1:34 PM CDT | Mesoscale Discussion | SPC | Craighead, Crittenden, Cross, Lee, Mississippi, Poinsett and 1 more | 86 min |
| May 22, 2:03 PM CDT | Mesoscale Discussion | SPC | Clark, Faulkner, Garland, Grant, Hempstead, Hot Spring and 13 more | 87 min |
| May 22, 4:47 PM CDT | Mesoscale Discussion | SPC | Ashley, Bradley, Calhoun, Chicot, Cleveland, Columbia and 10 more | 118 min |
| May 22, 4:57 PM CDT | Severe Thunderstorm Watch | SPC | Bradley, Calhoun, Clark, Cleveland, Columbia, Dallas and 7 more | 6 hr |
Nearby
Tornado Watches in Arkansas, 2024Every tornado watch in 2024
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.