Alert archive / Arkansas / Mesoscale Discussions in 2020
Mesoscale Discussion 224
The Storm Prediction Center issued this mesoscale discussion at Mar 24, 2020, 2:15 AM CDT for 38 counties in Arkansas; 5 counties in Missouri; 6 counties in Oklahoma. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 24, 2020, 2:15 AM CDT (07:15 UTC)
- Expired
- Mar 24, 2020, 4:15 AM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 49 counties
Arkansas County, AR, Baxter County, AR, Benton County, AR, Boone County, AR, Carroll County, AR, Cleburne County, AR, Conway County, AR, Crawford County, AR, Faulkner County, AR, Franklin County, AR, Garland County, AR, Grant County, AR, Hot Spring County, AR, Independence County, AR, Izard County, AR, Jefferson County, AR, Johnson County, AR, Logan County, AR, Lonoke County, AR, Madison County, AR, Marion County, AR, Monroe County, AR, Montgomery County, AR, Newton County, AR, Perry County, AR, Pope County, AR, Prairie County, AR, Pulaski County, AR, Saline County, AR, Scott County, AR, Searcy County, AR, Sebastian County, AR, Stone County, AR, Van Buren County, AR, Washington County, AR, White County, AR, Woodruff County, AR, Yell County, AR, Barry County, MO, McDonald County, MO, Newton County, MO, Stone County, MO, Taney County, MO, Adair County, OK, Cherokee County, OK, Delaware County, OK, Mayes County, OK, Ottawa County, OK, Sequoyah County, OK
The radar
The Little Rock radar (KLZK), 74 km from the middle of the area, began a volume at 07:14 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 00:00Z, 7.3 hours before the alert went out and 204 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
- 868 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 204 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 |
|---|---|---|---|---|
| Mar 24, 11:27 AM CDT | Mesoscale Discussion | SPC | Crittenden, Mississippi | 2 hr |
| Mar 23, 11:31 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Garfield, Grant, Harper, Kay, Major and 5 more | 59 min |
| Mar 23, 11:50 PM CDT | Severe Thunderstorm Watch | SPC | Alfalfa, Craig, Ellis, Garfield, Grant, Harper and 12 more | 7 hr |
| Mar 24, 3:50 AM CDT | Mesoscale Discussion | SPC | Craig, Garfield, Kay, Mayes, Noble, Nowata and 5 more | 85 min |
Nearby
Mesoscale Discussions in Arkansas, 2020Mesoscale Discussions in Oklahoma, 2020Mesoscale Discussions in Missouri, 2020Every mesoscale discussion in 2020
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.