Alert archive / Arkansas / Mesoscale Discussions in 2024

Mesoscale Discussion 237

March 14, 20244 states

The Storm Prediction Center issued this mesoscale discussion at Mar 14, 2024, 3:50 PM CDT for 4 states. It was in force for 85 min.

The area

The outline as issued.

The facts

Issued
Mar 14, 2024, 3:50 PM CDT (20:50 UTC)
Expired
Mar 14, 2024, 5:15 PM CDT
In force
85 min
Issued by
the Storm Prediction Center
Concerning
Tornado watch 42...43
All 62 counties

Baxter County, AR, Boone County, AR, Carroll County, AR, Clark County, AR, Cleburne County, AR, Conway County, AR, Crawford County, AR, Faulkner County, AR, Franklin County, AR, Fulton County, AR, Garland County, AR, Hempstead County, AR, Hot Spring County, AR, Howard County, AR, Izard County, AR, Johnson County, AR, Little River County, AR, Logan County, AR, Madison County, AR, Marion County, AR, Montgomery County, AR, Newton County, AR, Perry County, AR, Pike County, AR, Polk County, AR, Pope County, AR, Saline County, AR, Scott County, AR, Searcy County, AR, Sebastian County, AR, Sevier County, AR, Stone County, AR, Van Buren County, AR, Washington County, AR, Yell County, AR, Barry County, MO, Christian County, MO, Douglas County, MO, Greene County, MO, Howell County, MO, Lawrence County, MO, Ozark County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Webster County, MO, Wright County, MO, Adair County, OK, Atoka County, OK, Bryan County, OK, Choctaw County, OK, Coal County, OK, Haskell County, OK, Johnston County, OK, Latimer County, OK, LeFlore County, OK, McCurtain County, OK, Pittsburg County, OK, Pushmataha County, OK, Sequoyah County, OK, Lamar County, TX, Red River County, TX

The radar

The Western Arkansas radar (KSRX), 35 km from the middle of the area, began a volume at 20:53 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 12:00Z, 8.8 hours before the alert went out and 167 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, Springfield, MO at 12:00Z on 2024-03-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1236 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, Springfield, MO at 12:00Z on 2024-03-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 544 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
1236 J/kg
Mixed-layer CIN
-147 J/kg
Mixed-layer LCL
799 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
544 m²/s²
0-3 km storm-relative helicity
547 m²/s²
Significant tornado parameter
0.0
Supercell composite
25.1

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
Mar 14, 10:00 AM CDTMesoscale DiscussionSPCBaxter, Benton, Boone, Carroll, Crawford, Franklin and 13 more90 min
Mar 14, 12:58 PM CDTMesoscale DiscussionSPCBaxter, Benton, Boone, Carroll, Crawford, Franklin and 5 more92 min
Mar 14, 1:33 PM CDTTornado WatchSPCBaxter, Benton, Boone, Carroll, Crawford, Franklin and 8 more7 hr
Mar 14, 4:50 PM CDTTornado WatchSPCCalhoun, Clark, Cleburne, Columbia, Conway, Dallas and 36 more7 hr
Mar 14, 5:08 PM CDTSevere Thunderstorm WatchSPCCrawford, Franklin, Sebastian7 hr
Mar 14, 5:27 PM CDTTornado WatchSPCClay, Craighead, Greene, Mississippi, Poinsett7 hr
Mar 14, 5:31 PM CDTMesoscale DiscussionSPCBaxter, Clark, Clay, Cleburne, Conway, Craighead and 39 more119 min
Mar 14, 6:28 PM CDTMesoscale DiscussionSPCLittle River, Polk, Sevier2 hr
Mar 13, 7:44 PM CDTMesoscale DiscussionSPCAudrain, Boone, Callaway, Cole, Franklin, Gasconade and 10 more2 hr
Mar 13, 8:53 PM CDTMesoscale DiscussionSPCBuchanan, Caldwell, Carroll, Chariton, Clay, Clinton and 5 more2 hr
Mar 13, 10:10 PM CDTMesoscale DiscussionSPCAudrain, Barton, Bates, Benton, Boone, Caldwell and 47 more2 hr
Mar 13, 11:00 PM CDTSevere Thunderstorm WatchSPCAdair, Andrew, Bates, Benton, Buchanan, Caldwell and 39 more7 hr
Mar 14, 2:30 AM CDTMesoscale DiscussionSPCAudrain, Bates, Benton, Boone, Buchanan, Caldwell and 33 more90 min
Mar 14, 4:41 AM CDTSevere Thunderstorm WatchSPCAudrain, Boone, Callaway, Camden, Cedar, Cole and 25 more7 hr
Mar 14, 7:39 AM CDTMesoscale DiscussionSPCSaint Charles, Saint Louis, City of Saint Louis2 hr
Mar 14, 3:55 PM CDTMesoscale DiscussionSPCAudrain, Callaway, Crawford, Franklin, Gasconade, Jefferson and 13 more65 min
Mar 14, 5:09 PM CDTMesoscale DiscussionSPCSaint Louis, City of Saint Louis96 min
Mar 14, 10:46 AM CDTMesoscale DiscussionSPCAdair, Atoka, Bryan, Carter, Cherokee, Coal and 25 more119 min
Mar 14, 11:09 AM CDTTornado WatchSPCAdair, Atoka, Bryan, Carter, Cherokee, Choctaw and 33 more7 hr
Mar 14, 1:50 PM CDTMesoscale DiscussionSPCAdair, Atoka, Bryan, Carter, Cherokee, Coal and 18 more85 min

Nearby

Mesoscale Discussions in Arkansas, 2024Mesoscale Discussions in Oklahoma, 2024Mesoscale Discussions in Missouri, 2024Every mesoscale discussion in 2024

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.