Alert archive / Arkansas / Mesoscale Discussions in 2026
Mesoscale Discussion 1017
The Storm Prediction Center issued this mesoscale discussion at Jun 7, 2026, 3:58 PM CDT for 22 counties in Arkansas; 21 counties in Missouri. It was in force for 92 min.
The area
The outline as issued.
The facts
- Issued
- Jun 7, 2026, 3:58 PM CDT (20:58 UTC)
- Expired
- Jun 7, 2026, 5:30 PM CDT
- In force
- 92 min
- Issued by
- the Storm Prediction Center
- Concerning
- Tornado watch 284
All 43 counties
Baxter County, AR, Benton County, AR, Boone County, AR, Carroll County, AR, Conway County, AR, Faulkner County, AR, Franklin County, AR, Garland County, AR, Hot Spring County, AR, Johnson County, AR, Madison County, AR, Marion County, AR, Newton County, AR, Perry County, AR, Pope County, AR, Pulaski County, AR, Saline County, AR, Searcy County, AR, Stone County, AR, Van Buren County, AR, Washington County, AR, Yell County, AR, Barry County, MO, Barton County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Douglas County, MO, Greene County, MO, Hickory County, MO, Jasper County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Ozark County, MO, Polk County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Vernon County, MO, Webster County, MO, Wright County, MO
The radar
The Western Arkansas radar (KSRX), 116 km from the middle of the area, began a volume at 20:58 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 nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 9.0 hours before the alert went out and 104 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
- 416 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 786 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 138 m²/s²
- 0-3 km storm-relative helicity
- 143 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
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 |
|---|---|---|---|---|
| Jun 6, 7:58 PM CDT | Mesoscale Discussion | SPC | Crawford, Franklin, Johnson, Logan, Madison, Montgomery and 5 more | 62 min |
| Jun 7, 1:16 PM CDT | Mesoscale Discussion | SPC | Baxter, Benton, Boone, Carroll, Cleburne, Conway and 27 more | 119 min |
| Jun 7, 2:31 PM CDT | Tornado Watch | SPC | Benton, Boone, Carroll, Marion, Newton, Searcy | 7 hr |
Nearby
Mesoscale Discussions in Arkansas, 2026Mesoscale Discussions in Missouri, 2026Every mesoscale discussion in 2026
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.