Alert archive / Arkansas / Mesoscale Discussions in 2022
Mesoscale Discussion 211
The Storm Prediction Center issued this mesoscale discussion at Mar 6, 2022, 7:03 PM CST for 31 counties in Arkansas; 8 counties in Missouri. It was in force for 57 min.
The area
The outline as issued.
The facts
- Issued
- Mar 6, 2022, 7:03 PM CST (01:03 UTC)
- Expired
- Mar 6, 2022, 8:00 PM CST
- In force
- 57 min
- Issued by
- the Storm Prediction Center
- Concerning
- Tornado watch 33
All 39 counties
Baxter County, AR, Boone County, AR, Carroll County, AR, Clay County, AR, Cleburne County, AR, Conway County, AR, Craighead County, AR, Crawford County, AR, Faulkner County, AR, Franklin County, AR, Fulton County, AR, Greene County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Johnson County, AR, Lawrence County, AR, Logan County, AR, Madison County, AR, Marion County, AR, Newton County, AR, Perry County, AR, Pope County, AR, Randolph County, AR, Scott County, AR, Searcy County, AR, Sebastian County, AR, Sharp County, AR, Stone County, AR, Van Buren County, AR, Yell County, AR, Butler County, MO, Dunklin County, MO, Howell County, MO, Oregon County, MO, Ozark County, MO, Pemiscot County, MO, Ripley County, MO, Stoddard County, MO
The radar
The Little Rock radar (KLZK), 117 km from the middle of the area, began a volume at 01:02 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 00:00Z, 1.1 hours before the alert went out and 156 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 427 m above ground
- 0-6 km bulk shear
- 77 kt
- 0-1 km storm-relative helicity
- 678 m²/s²
- 0-3 km storm-relative helicity
- 778 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.8
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 |
|---|---|---|---|---|
| Mar 6, 7:58 PM CST | Tornado Watch | SPC | Baxter, Boone, Clay, Cleburne, Conway, Craighead and 22 more | 6 hr |
| Mar 6, 8:46 PM CST | Mesoscale Discussion | SPC | Baxter, Fulton, Izard, Johnson, Logan, Marion and 2 more | 89 min |
| Mar 6, 10:48 PM CST | Mesoscale Discussion | SPC | Baxter, Clay, Cleburne, Conway, Craighead, Faulkner and 22 more | 117 min |
| Mar 7, 12:44 AM CST | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 18 more | 91 min |
| Mar 7, 1:07 AM CST | Tornado Watch | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 18 more | 6 hr |
| Mar 7, 2:34 AM CST | Mesoscale Discussion | SPC | Arkansas, Phillips | 86 min |
| Mar 7, 1:31 AM CST | Mesoscale Discussion | SPC | Mississippi, New Madrid, Scott | 89 min |
| Mar 7, 1:52 AM CST | Tornado Watch | SPC | Mississippi | 5 hr |
Nearby
Mesoscale Discussions in Arkansas, 2022Mesoscale Discussions in Missouri, 2022Every mesoscale discussion 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.