Alert archive / Arkansas / Mesoscale Discussions in 2025

Mesoscale Discussion 384

April 3, 202512 counties in Arkansas; 7 counties in Mississippi; Fayette County, Shelby County, Tipton County, Tennessee

The Storm Prediction Center issued this mesoscale discussion at Apr 3, 2025, 6:39 PM CDT for 12 counties in Arkansas; 7 counties in Mississippi; Fayette County, Shelby County, Tipton County, Tennessee. It was in force for 96 min.

The area

The outline as issued.

The facts

Issued
Apr 3, 2025, 6:39 PM CDT (23:39 UTC)
Expired
Apr 3, 2025, 8:15 PM CDT
In force
96 min
Issued by
the Storm Prediction Center
Concerning
Tornado watch 107...109
All 22 counties

Arkansas County, AR, Bradley County, AR, Calhoun County, AR, Cleveland County, AR, Crittenden County, AR, Desha County, AR, Jefferson County, AR, Lee County, AR, Lincoln County, AR, Monroe County, AR, Phillips County, AR, St. Francis County, AR, Coahoma County, MS, DeSoto County, MS, Marshall County, MS, Panola County, MS, Quitman County, MS, Tate County, MS, Tunica County, MS, Fayette County, TN, Shelby County, TN, Tipton County, TN

The radar

The Little Rock radar (KLZK), 123 km from the middle of the area, began a volume at 23:42 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

Shreveport, LA (KSHV), launched 12:00Z, 11.7 hours before the alert went out and 344 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 2025-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1840 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 2025-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 319 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
1840 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
693 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
319 m²/s²
0-3 km storm-relative helicity
466 m²/s²
Significant tornado parameter
3.6
Supercell composite
20.3

Open this sounding in Storm Lab

The text

As transmitted.

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 2, 7:33 PM CDTMesoscale DiscussionSPCArkansas, Bradley, Cleveland, Crittenden, Cross, Jefferson and 7 more117 min
Apr 3, 11:22 AM CDTMesoscale DiscussionSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 32 more113 min
Apr 3, 12:52 PM CDTTornado WatchSPCCrittenden, Lee, Phillips9 hr
Apr 3, 2:02 PM CDTSevere Thunderstorm WatchSPCClark, Cleburne, Conway, Faulkner, Garland, Grant and 24 more8 hr
Apr 3, 2:14 PM CDTTornado WatchSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 14 more8 hr
Apr 3, 3:43 PM CDTMesoscale DiscussionSPCAshley, Bradley, Calhoun, Cleveland, Columbia, Drew and 6 more92 min
Apr 2, 11:35 PM CDTTornado WatchSPCAlcorn, Benton, Calhoun, Coahoma, Lafayette, Lee and 11 more8 hr
Apr 3, 12:43 AM CDTMesoscale DiscussionSPCBenton, Marshall, Tate, Tippah92 min
Apr 3, 4:55 AM CDTMesoscale DiscussionSPCAlcorn, Prentiss, Tippah, Tishomingo95 min
Apr 3, 2:23 PM CDTMesoscale DiscussionSPCAlcorn, Lee, Pontotoc, Prentiss, Tippah, Union97 min
Apr 2, 9:53 PM CDTMesoscale DiscussionSPCBenton, Carroll, Cheatham, Chester, Crockett, Decatur and 13 more2 hr
Apr 2, 11:05 PM CDTMesoscale DiscussionSPCCheatham, Chester, Clay, Davidson, Decatur, Dickson and 6 more115 min
Apr 3, 9:41 AM CDTMesoscale DiscussionSPCAnderson, Campbell, Cannon, Claiborne, Clay, Cumberland and 16 more94 min
Apr 3, 6:07 PM CDTMesoscale DiscussionSPCBedford, Cannon, Cheatham, Coffee, Davidson, DeKalb and 15 more53 min

Nearby

Mesoscale Discussions in Arkansas, 2025Mesoscale Discussions in Mississippi, 2025Mesoscale Discussions in Tennessee, 2025Every mesoscale discussion in 2025

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.