Alert archive / Arkansas / Mesoscale Discussions in 2024
Mesoscale Discussion 628
The Storm Prediction Center issued this mesoscale discussion at May 4, 2024, 10:49 AM CDT for 45 counties in Arkansas; 14 counties in Missouri; 17 counties in Oklahoma. It was in force for 116 min.
The area
The outline as issued.
The facts
- Issued
- May 4, 2024, 10:49 AM CDT (15:49 UTC)
- Expired
- May 4, 2024, 12:45 PM CDT
- In force
- 116 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch unlikely
- Chance of a watch
- 5%
All 76 counties
Baxter County, AR, Benton County, AR, Boone County, AR, Carroll County, AR, Clark County, AR, Cleburne County, AR, Conway County, AR, Crawford County, AR, Faulkner County, AR, Franklin County, AR, Fulton County, AR, Garland County, AR, Grant County, AR, Hot Spring County, AR, Howard County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Johnson County, AR, Lawrence County, AR, Logan County, AR, Lonoke 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, Prairie 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, White County, AR, Woodruff County, AR, Yell County, AR, Barry County, MO, Carter County, MO, Christian County, MO, Douglas County, MO, Howell County, MO, Oregon County, MO, Ozark County, MO, Ripley County, MO, Shannon County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Webster County, MO, Wright County, MO, Adair County, OK, Atoka County, OK, Cherokee County, OK, Choctaw County, OK, Coal County, OK, Haskell County, OK, Hughes County, OK, Latimer County, OK, LeFlore County, OK, McCurtain County, OK, McIntosh County, OK, Muskogee County, OK, Pittsburg County, OK, Pontotoc County, OK, Pushmataha County, OK, Seminole County, OK, Sequoyah County, OK
The radar
The Western Arkansas radar (KSRX), 65 km from the middle of the area, began a volume at 15:51 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 nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 3.8 hours before the alert went out and 159 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
- 905 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 730 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 159 m²/s²
- 0-3 km storm-relative helicity
- 142 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 4, 3:53 PM CDT | Mesoscale Discussion | SPC | Baxter, Benton, Boone, Carroll, Clay, Cleburne and 43 more | 97 min |
| May 4, 1:02 AM CDT | Mesoscale Discussion | SPC | Andrew, Atchison, Buchanan, DeKalb, Gentry, Holt and 2 more | 118 min |
| May 3, 7:27 PM CDT | Mesoscale Discussion | SPC | Carter, Comanche, Cotton, Greer, Harmon, Jackson and 5 more | 2 hr |
| May 3, 8:28 PM CDT | Mesoscale Discussion | SPC | Beaver, Harper, Texas | 2 hr |
| May 3, 9:26 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Dewey, Ellis, Roger Mills, Woods, Woodward | 2 hr |
| May 3, 9:47 PM CDT | Severe Thunderstorm Watch | SPC | Alfalfa, Blaine, Canadian, Custer, Dewey, Ellis and 10 more | 6 hr |
| May 3, 11:41 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Blaine, Custer, Dewey, Kingfisher, Major and 1 more | 94 min |
Nearby
Mesoscale Discussions in Arkansas, 2024Mesoscale Discussions in Oklahoma, 2024Mesoscale Discussions in Missouri, 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.