Alert archive / Mississippi / Mesoscale Discussions in 2003
Mesoscale Discussion 2063
The Storm Prediction Center issued this mesoscale discussion at Aug 2, 2003, 4:44 PM CDT for 5 counties in Alabama; Concordia Parish, Tensas Parish, Louisiana; 34 counties in Mississippi. It was in force for 91 min.
The area
The outline as issued.
The facts
- Issued
- Aug 2, 2003, 4:44 PM CDT (21:44 UTC)
- Expired
- Aug 2, 2003, 6:15 PM CDT
- In force
- 91 min
- Issued by
- the Storm Prediction Center
All 41 counties
Fayette County, AL, Lamar County, AL, Marion County, AL, Pickens County, AL, Winston County, AL, Concordia Parish, LA, Tensas Parish, LA, Adams County, MS, Amite County, MS, Attala County, MS, Chickasaw County, MS, Choctaw County, MS, Claiborne County, MS, Clay County, MS, Copiah County, MS, Franklin County, MS, Hinds County, MS, Itawamba County, MS, Jasper County, MS, Jefferson County, MS, Jefferson Davis County, MS, Kemper County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Lee County, MS, Lincoln County, MS, Lowndes County, MS, Madison County, MS, Monroe County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Rankin County, MS, Scott County, MS, Simpson County, MS, Smith County, MS, Warren County, MS, Webster County, MS, Winston County, MS
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 9.7 hours before the alert went out and 36 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
- 3013 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 577 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- -6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
<!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 |
|---|---|---|---|---|
| Aug 2, 11:58 AM CDT | Mesoscale Discussion | SPC | Lauderdale | 2 hr |
| Aug 2, 12:22 PM CDT | Mesoscale Discussion | SPC | East Carroll, Madison, Morehouse, West Carroll | 113 min |
| Aug 2, 4:30 AM CDT | Severe Thunderstorm Watch | SPC | Alcorn, Benton, DeSoto, Itawamba, Lafayette, Lee and 9 more | 7 hr |
| Aug 2, 6:48 AM CDT | Mesoscale Discussion | SPC | Alcorn, Benton, DeSoto, Itawamba, Lafayette, Lee and 8 more | 57 min |
Nearby
Mesoscale Discussions in Mississippi, 2003Mesoscale Discussions in Alabama, 2003Mesoscale Discussions in Louisiana, 2003Every mesoscale discussion in 2003
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.