Alert archive / Arkansas / Mesoscale Discussions in 2025
Mesoscale Discussion 355
The Storm Prediction Center issued this mesoscale discussion at Apr 2, 2025, 12:51 PM CDT for 5 states. It was in force for 114 min.
The area
The outline as issued.
The facts
- Issued
- Apr 2, 2025, 12:51 PM CDT (17:51 UTC)
- Expired
- Apr 2, 2025, 2:45 PM CDT
- In force
- 114 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...tornado watch likely
- Chance of a watch
- 80%
All 41 counties
Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Greene County, AR, Jackson County, AR, Lee County, AR, Mississippi County, AR, Monroe County, AR, Poinsett County, AR, St. Francis County, AR, Woodruff County, AR, Alexander County, IL, Johnson County, IL, Massac County, IL, Pope County, IL, Pulaski County, IL, Ballard County, KY, Calloway County, KY, Carlisle County, KY, Fulton County, KY, Graves County, KY, Hickman County, KY, Livingston County, KY, Marshall County, KY, McCracken County, KY, Dunklin County, MO, Mississippi County, MO, New Madrid County, MO, Pemiscot County, MO, Scott County, MO, Stoddard County, MO, Crockett County, TN, Dyer County, TN, Gibson County, TN, Lake County, TN, Lauderdale County, TN, Obion County, TN, Shelby County, TN, Tipton County, TN, Weakley County, TN
The radar
The Memphis radar (KNQA), 56 km from the middle of the area, began a volume at 17:54 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
Little Rock, AR (KLZK), launched 12:00Z, 5.9 hours before the alert went out and 109 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
- 847 J/kg
- Mixed-layer CIN
- -284 J/kg
- Mixed-layer LCL
- 800 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 421 m²/s²
- 0-3 km storm-relative helicity
- 660 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 2, 4:30 AM CDT | Mesoscale Discussion | SPC | Benton, Boone, Carroll, Madison, Washington | 2 hr |
| Apr 2, 5:20 AM CDT | Tornado Watch | SPC | Benton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more | 7 hr |
| Apr 2, 6:57 AM CDT | Mesoscale Discussion | SPC | Benton | 2 hr |
| Apr 2, 8:47 AM CDT | Tornado Watch | SPC | Baxter, Boone, Clark, Cleburne, Conway, Faulkner and 20 more | 9 hr |
| Apr 2, 10:33 AM CDT | Mesoscale Discussion | SPC | Hempstead, Lafayette, Little River, Miller | 117 min |
| Apr 2, 11:09 AM CDT | Mesoscale Discussion | SPC | Baxter, Boone, Carroll, Cleburne, Conway, Crawford and 17 more | 96 min |
| Apr 2, 1:56 PM CDT | Mesoscale Discussion | SPC | Baxter, Boone, Conway, Franklin, Fulton, Garland and 13 more | 94 min |
| Apr 2, 2:52 PM CDT | Tornado Watch | SPC | Arkansas, Bradley, Calhoun, Clay, Cleveland, Craighead and 25 more | 9 hr |
| Apr 2, 3:18 PM CDT | Mesoscale Discussion | SPC | Columbia, Lafayette, Little River, Miller | 117 min |
| Apr 2, 3:39 PM CDT | Mesoscale Discussion | SPC | Crittenden, Mississippi | 2 hr |
| Apr 2, 3:49 PM CDT | Tornado Watch | SPC | Columbia, Hempstead, Howard, Lafayette, Little River, Miller and 3 more | 7 hr |
| Apr 2, 5:35 PM CDT | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Calhoun, Clark, Clay and 30 more | 115 min |
| Apr 2, 6:12 PM CDT | Mesoscale Discussion | SPC | Arkansas, Clay, Craighead, Crittenden, Cross, Greene and 8 more | 93 min |
| Apr 2, 9:48 AM CDT | Mesoscale Discussion | SPC | Brown, Cass, Champaign, DeWitt, Ford, Fulton and 20 more | 117 min |
| Apr 2, 2:43 PM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Clinton and 34 more | 2 hr |
| Apr 2, 3:17 PM CDT | Tornado Watch | SPC | Champaign, Christian, Clark, Clay, Coles, Crawford and 23 more | 7 hr |
| Apr 2, 4:19 PM CDT | Tornado Watch | SPC | Bond, Clinton, Fayette, Macoupin, Madison, Marion and 5 more | 3 hr |
| Apr 2, 5:40 PM CDT | Mesoscale Discussion | SPC | Champaign, Iroquois, Vermilion | 95 min |
| Apr 2, 6:09 PM CDT | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Boyle, Breckinridge and 46 more | 2 hr |
| Apr 2, 6:22 PM CDT | Tornado Watch | SPC | Allen, Anderson, Barren, Breckinridge, Bullitt, Butler and 25 more | 6 hr |
| Apr 1, 7:25 PM CDT | Severe Thunderstorm Watch | SPC | Andrew, Atchison, Buchanan, Clinton, Daviess, DeKalb and 8 more | 10 hr |
| Apr 1, 8:56 PM CDT | Mesoscale Discussion | SPC | Atchison | 64 min |
| Apr 1, 11:03 PM CDT | Mesoscale Discussion | SPC | Andrew, Buchanan, DeKalb, Holt | 117 min |
| Apr 2, 1:27 AM CDT | Mesoscale Discussion | SPC | Bates, Benton, Buchanan, Caldwell, Carroll, Cass and 21 more | 2 hr |
| Apr 2, 2:28 AM CDT | Tornado Watch | SPC | Adair, Andrew, Bates, Buchanan, Caldwell, Carroll and 25 more | 8 hr |
| Apr 2, 7:17 AM CDT | Mesoscale Discussion | SPC | Audrain, Benton, Boone, Callaway, Camden, Cole and 19 more | 118 min |
Nearby
Mesoscale Discussions in Arkansas, 2025Mesoscale Discussions in Kentucky, 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.