Alert archive / Arkansas / Mesoscale Discussions in 2023
Mesoscale Discussion 1049
The Storm Prediction Center issued this mesoscale discussion at Jun 14, 2023, 4:14 PM CDT for 23 counties in Arkansas; 4 counties in Oklahoma. It was in force for 61 min.
The area
The outline as issued.
The facts
- Issued
- Jun 14, 2023, 4:14 PM CDT (21:14 UTC)
- Expired
- Jun 14, 2023, 5:15 PM CDT
- In force
- 61 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch likely
- Chance of a watch
- 80%
All 27 counties
Clark County, AR, Cleveland County, AR, Dallas County, AR, Garland County, AR, Grant County, AR, Hempstead County, AR, Hot Spring County, AR, Howard County, AR, Jefferson County, AR, Lincoln County, AR, Little River County, AR, Lonoke County, AR, Montgomery County, AR, Nevada County, AR, Ouachita County, AR, Perry County, AR, Pike County, AR, Polk County, AR, Pulaski County, AR, Saline County, AR, Scott County, AR, Sevier County, AR, Yell County, AR, Choctaw County, OK, LeFlore County, OK, McCurtain County, OK, Pushmataha County, OK
The radar
The Western Arkansas radar (KSRX), 138 km from the middle of the area, began a volume at 21:17 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
Shreveport, LA (KSHV), launched 12:00Z, 9.2 hours before the alert went out and 191 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
- 2234 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 710 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 189 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 2.6
- Supercell composite
- 9.1
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 13, 7:10 PM CDT | Mesoscale Discussion | SPC | Ashley, Bradley, Calhoun, Clark, Cleveland, Columbia and 13 more | 95 min |
| Jun 13, 10:10 PM CDT | Mesoscale Discussion | SPC | Ashley, Bradley, Calhoun, Columbia, Hempstead, Howard and 7 more | 2 hr |
| Jun 13, 10:55 PM CDT | Severe Thunderstorm Watch | SPC | Arkansas, Ashley, Benton, Bradley, Calhoun, Chicot and 45 more | 9 hr |
| Jun 14, 1:57 AM CDT | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 20 more | 93 min |
| Jun 14, 4:08 AM CDT | Mesoscale Discussion | SPC | Benton, Conway, Crawford, Faulkner, Franklin, Garland and 13 more | 97 min |
| Jun 14, 7:22 AM CDT | Mesoscale Discussion | SPC | Arkansas, Desha, Faulkner, Grant, Jefferson, Lee and 11 more | 83 min |
| Jun 14, 7:38 AM CDT | Mesoscale Discussion | SPC | Columbia, Hempstead, Howard, Lafayette, Little River, Miller and 4 more | 2 hr |
| Jun 14, 7:50 AM CDT | Mesoscale Discussion | SPC | Crawford, Franklin, Johnson, Logan, Madison, Newton and 4 more | 85 min |
| Jun 14, 8:10 AM CDT | Severe Thunderstorm Watch | SPC | Arkansas, Cleburne, Conway, Crawford, Crittenden, Cross and 29 more | 6 hr |
| Jun 14, 8:57 AM CDT | Severe Thunderstorm Watch | SPC | Columbia, Hempstead, Howard, Lafayette, Little River, Miller and 3 more | 7 hr |
| Jun 14, 12:12 PM CDT | Mesoscale Discussion | SPC | Columbia, Lafayette, Miller, Union | 93 min |
| Jun 14, 1:33 PM CDT | Mesoscale Discussion | SPC | Ashley, Bradley, Chicot, Drew | 87 min |
| Jun 14, 1:46 PM CDT | Severe Thunderstorm Watch | SPC | Ashley, Chicot | 6 hr |
| Jun 14, 3:25 PM CDT | Mesoscale Discussion | SPC | Ashley, Chicot | 95 min |
| Jun 14, 4:37 PM CDT | Severe Thunderstorm Watch | SPC | Arkansas, Bradley, Calhoun, Clark, Cleburne, Cleveland and 36 more | 7 hr |
| Jun 14, 5:57 PM CDT | Mesoscale Discussion | SPC | Arkansas, Bradley, Calhoun, Clark, Cleveland, Conway and 26 more | 93 min |
| Jun 14, 6:41 PM CDT | Severe Thunderstorm Watch | SPC | Columbia, Lafayette, Miller, Union | 3 hr |
| Jun 13, 7:30 PM CDT | Mesoscale Discussion | SPC | Beckham, Caddo, Comanche, Cotton, Grady, Greer and 7 more | 90 min |
| Jun 13, 7:53 PM CDT | Severe Thunderstorm Watch | SPC | Beckham, Caddo, Comanche, Cotton, Custer, Grady and 8 more | 4 hr |
Nearby
Mesoscale Discussions in Arkansas, 2023Mesoscale Discussions in Oklahoma, 2023Every mesoscale discussion in 2023
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.