Alert archive / Arkansas / Mesoscale Discussions in 2023

Mesoscale Discussion 1049

June 14, 202323 counties in Arkansas; 4 counties in Oklahoma

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.

Skew-T log-pSkew-T log-p diagram, Shreveport, LA at 12:00Z on 2023-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2234 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 12:00Z on 2023-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 189 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 13, 7:10 PM CDTMesoscale DiscussionSPCAshley, Bradley, Calhoun, Clark, Cleveland, Columbia and 13 more95 min
Jun 13, 10:10 PM CDTMesoscale DiscussionSPCAshley, Bradley, Calhoun, Columbia, Hempstead, Howard and 7 more2 hr
Jun 13, 10:55 PM CDTSevere Thunderstorm WatchSPCArkansas, Ashley, Benton, Bradley, Calhoun, Chicot and 45 more9 hr
Jun 14, 1:57 AM CDTMesoscale DiscussionSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 20 more93 min
Jun 14, 4:08 AM CDTMesoscale DiscussionSPCBenton, Conway, Crawford, Faulkner, Franklin, Garland and 13 more97 min
Jun 14, 7:22 AM CDTMesoscale DiscussionSPCArkansas, Desha, Faulkner, Grant, Jefferson, Lee and 11 more83 min
Jun 14, 7:38 AM CDTMesoscale DiscussionSPCColumbia, Hempstead, Howard, Lafayette, Little River, Miller and 4 more2 hr
Jun 14, 7:50 AM CDTMesoscale DiscussionSPCCrawford, Franklin, Johnson, Logan, Madison, Newton and 4 more85 min
Jun 14, 8:10 AM CDTSevere Thunderstorm WatchSPCArkansas, Cleburne, Conway, Crawford, Crittenden, Cross and 29 more6 hr
Jun 14, 8:57 AM CDTSevere Thunderstorm WatchSPCColumbia, Hempstead, Howard, Lafayette, Little River, Miller and 3 more7 hr
Jun 14, 12:12 PM CDTMesoscale DiscussionSPCColumbia, Lafayette, Miller, Union93 min
Jun 14, 1:33 PM CDTMesoscale DiscussionSPCAshley, Bradley, Chicot, Drew87 min
Jun 14, 1:46 PM CDTSevere Thunderstorm Watch PDSSPCAshley, Chicot6 hr
Jun 14, 3:25 PM CDTMesoscale DiscussionSPCAshley, Chicot95 min
Jun 14, 4:37 PM CDTSevere Thunderstorm WatchSPCArkansas, Bradley, Calhoun, Clark, Cleburne, Cleveland and 36 more7 hr
Jun 14, 5:57 PM CDTMesoscale DiscussionSPCArkansas, Bradley, Calhoun, Clark, Cleveland, Conway and 26 more93 min
Jun 14, 6:41 PM CDTSevere Thunderstorm WatchSPCColumbia, Lafayette, Miller, Union3 hr
Jun 13, 7:30 PM CDTMesoscale DiscussionSPCBeckham, Caddo, Comanche, Cotton, Grady, Greer and 7 more90 min
Jun 13, 7:53 PM CDTSevere Thunderstorm WatchSPCBeckham, Caddo, Comanche, Cotton, Custer, Grady and 8 more4 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.