Alert archive / Kansas / Mesoscale Discussions in 2003
Mesoscale Discussion 611
The Storm Prediction Center issued this mesoscale discussion at Apr 28, 2003, 5:10 PM CDT for 28 counties in Kansas; 8 counties in Missouri; 4 counties in Oklahoma. It was in force for 65 min.
The area
The outline as issued.
The facts
- Issued
- Apr 28, 2003, 5:10 PM CDT (22:10 UTC)
- Expired
- Apr 28, 2003, 6:15 PM CDT
- In force
- 65 min
- Issued by
- the Storm Prediction Center
All 40 counties
Allen County, KS, Anderson County, KS, Bourbon County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Cherokee County, KS, Coffey County, KS, Crawford County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Greenwood County, KS, Johnson County, KS, Labette County, KS, Linn County, KS, Lyon County, KS, Marion County, KS, Miami County, KS, Montgomery County, KS, Morris County, KS, Neosho County, KS, Osage County, KS, Shawnee County, KS, Wabaunsee County, KS, Wilson County, KS, Woodson County, KS, Wyandotte County, KS, Barton County, MO, Bates County, MO, Cass County, MO, Jackson County, MO, Jasper County, MO, McDonald County, MO, Newton County, MO, Vernon County, MO, Craig County, OK, Nowata County, OK, Ottawa County, OK, Washington County, OK
The radar
The Pleasant Hill radar (KEAX), 145 km from the middle of the area, began a volume at 22:09 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
Topeka, KS (KTOP), launched 12:00Z, 10.2 hours before the alert went out and 138 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
- 285 J/kg
- Mixed-layer CIN
- -172 J/kg
- Mixed-layer LCL
- 827 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 118 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.0
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 |
|---|---|---|---|---|
| Apr 28, 2:12 AM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Doniphan, Jackson, Marshall, Nemaha and 1 more | 93 min |
| Apr 28, 12:09 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Cherokee, Coffey, Crawford and 6 more | 2 hr |
| Apr 28, 5:23 PM CDT | Mesoscale Discussion | SPC | Hamilton, Morton, Stanton | 3 hr |
| Apr 28, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | Allen, Anderson, Bourbon, Butler, Chase, Chautauqua and 12 more | 3 hr |
| Apr 28, 2:35 PM CDT | Severe Thunderstorm Watch | SPC | Bollinger, Butler, Camden, Cape Girardeau, Carter, Christian and 35 more | 5 hr |
| Apr 28, 3:56 PM CDT | Mesoscale Discussion | SPC | Bollinger, Butler, Camden, Cape Girardeau, Carter, Christian and 34 more | 2 hr |
Nearby
Mesoscale Discussions in Kansas, 2003Mesoscale Discussions in Missouri, 2003Mesoscale Discussions in Oklahoma, 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; radar from the NEXRAD Level II archive.