Alert archive / Nebraska / Mesoscale Discussions in 2003
Mesoscale Discussion 1443
The Storm Prediction Center issued this mesoscale discussion at Jun 21, 2003, 4:52 PM CDT for 36 counties in Nebraska; 31 counties in South Dakota; 4 counties in Wyoming. It was in force for 83 min.
The area
The outline as issued.
The facts
- Issued
- Jun 21, 2003, 4:52 PM CDT (21:52 UTC)
- Expired
- Jun 21, 2003, 6:15 PM CDT
- In force
- 83 min
- Issued by
- the Storm Prediction Center
All 71 counties
Antelope County, NE, Arthur County, NE, Blaine County, NE, Boone County, NE, Box Butte County, NE, Boyd County, NE, Brown County, NE, Cherry County, NE, Custer County, NE, Dawes County, NE, Deuel County, NE, Garden County, NE, Garfield County, NE, Grant County, NE, Greeley County, NE, Holt County, NE, Hooker County, NE, Howard County, NE, Keith County, NE, Keya Paha County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Merrick County, NE, Morrill County, NE, Nance County, NE, Perkins County, NE, Rock County, NE, Scotts Bluff County, NE, Sheridan County, NE, Sherman County, NE, Sioux County, NE, Thomas County, NE, Valley County, NE, Wheeler County, NE, Aurora County, SD, Bennett County, SD, Brule County, SD, Buffalo County, SD, Butte County, SD, Charles Mix County, SD, Custer County, SD, Dewey County, SD, Douglas County, SD, Fall River County, SD, Gregory County, SD, Haakon County, SD, Hand County, SD, Hughes County, SD, Hyde County, SD, Jackson County, SD, Jerauld County, SD, Jones County, SD, Lawrence County, SD, Lyman County, SD, Meade County, SD, Mellette County, SD, Oglala Lakota County, SD, Pennington County, SD, Perkins County, SD, Potter County, SD, Stanley County, SD, Sully County, SD, Todd County, SD, Tripp County, SD, Ziebach County, SD, Crook County, WY, Goshen County, WY, Niobrara County, WY, Weston County, WY
The watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Rapid City, SD (KUNR), launched 12:00Z, 9.9 hours before the alert went out and 112 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
- 34 J/kg
- Mixed-layer CIN
- -373 J/kg
- Mixed-layer LCL
- 2468 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- -39 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 |
|---|---|---|---|---|
| Jun 20, 7:19 PM CDT | Mesoscale Discussion | SPC | Chase, Dundy, Frontier, Hayes, Hitchcock, Perkins and 1 more | 86 min |
| Jun 20, 8:59 PM CDT | Mesoscale Discussion | SPC | Arthur, Blaine, Brown, Chase, Cherry, Custer and 18 more | 61 min |
| Jun 21, 2:10 PM CDT | Severe Thunderstorm Watch | SPC | Antelope, Arthur, Banner, Blaine, Boone, Box Butte and 32 more | 7 hr |
| Jun 21, 1:14 PM CDT | Mesoscale Discussion | SPC | Butte, Campbell, Corson, Custer, Dewey, Fall River and 14 more | 3 hr |
| Jun 21, 2:45 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Campbell, Corson, Day, Dewey, Edmunds and 7 more | 6 hr |
| Jun 21, 3:03 PM CDT | Mesoscale Discussion | SPC | Brookings, Lincoln, Minnehaha, Moody | 117 min |
| Jun 21, 6:50 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Day, Edmunds, Grant, McPherson, Marshall and 1 more | 7 hr |
Nearby
Mesoscale Discussions in Nebraska, 2003Mesoscale Discussions in South Dakota, 2003Mesoscale Discussions in Wyoming, 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.