Alert archive / Arkansas / Mesoscale Discussions in 2024
Mesoscale Discussion 928
The Storm Prediction Center issued this mesoscale discussion at May 24, 2024, 11:56 AM CDT for 32 counties in Arkansas. It was in force for 64 min.
The area
The outline as issued.
The facts
- Issued
- May 24, 2024, 11:56 AM CDT (16:56 UTC)
- Expired
- May 24, 2024, 1:00 PM CDT
- In force
- 64 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch possible
- Chance of a watch
- 40%
All 32 counties
Arkansas County, AR, Clark County, AR, Cleburne County, AR, Cleveland County, AR, Conway County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Faulkner County, AR, Garland County, AR, Grant County, AR, Hot Spring County, AR, Independence County, AR, Jefferson County, AR, Johnson County, AR, Lincoln County, AR, Logan County, AR, Lonoke County, AR, Monroe County, AR, Montgomery County, AR, Perry County, AR, Pope County, AR, Prairie County, AR, Pulaski County, AR, Saline County, AR, Scott County, AR, Searcy 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), 28 km from the middle of the area, began a volume at 16:58 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.
The watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 4.9 hours before the alert went out and 251 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
- 1608 J/kg
- Mixed-layer CIN
- -174 J/kg
- Mixed-layer LCL
- 1050 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 270 m²/s²
- 0-3 km storm-relative helicity
- 327 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.6
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 10:37 PM CDT | Severe Thunderstorm Watch | SPC | Howard, Little River, Miller, Sevier | 6 hr |
| May 24, 2:51 AM CDT | Mesoscale Discussion | SPC | Bradley, Calhoun, Clark, Cleveland, Columbia, Dallas and 9 more | 114 min |
| May 24, 3:10 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Bradley, Calhoun, Carroll, Clark, Cleveland and 33 more | 9 hr |
| May 24, 3:58 PM CDT | Mesoscale Discussion | SPC | Arkansas, Desha, Jefferson, Lee, Lonoke, Monroe and 4 more | 92 min |
| May 24, 5:39 PM CDT | Mesoscale Discussion | SPC | Crawford, Franklin, Hempstead, Howard, Johnson, Lafayette and 13 more | 2 hr |
| May 24, 6:17 PM CDT | Severe Thunderstorm Watch | SPC | Arkansas, Desha, Jefferson, Lincoln, Lonoke, Monroe and 2 more | 5 hr |
Nearby
Mesoscale Discussions in Arkansas, 2024Every mesoscale discussion 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.