Alert archive / Kansas / Mesoscale Discussions in 2008
Mesoscale Discussion 758
The Storm Prediction Center issued this mesoscale discussion at May 1, 2008, 4:56 PM CDT for 24 counties in Kansas; Andrew County, Buchanan County, Platte County, Missouri; Kay County, Oklahoma. It was in force for 94 min.
The area
The outline as issued.
The facts
- Issued
- May 1, 2008, 4:56 PM CDT (21:56 UTC)
- Expired
- May 1, 2008, 6:30 PM CDT
- In force
- 94 min
- Issued by
- the Storm Prediction Center
All 28 counties
Allen County, KS, Anderson County, KS, Atchison County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Coffey County, KS, Cowley County, KS, Doniphan County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Greenwood County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Lyon County, KS, Osage County, KS, Sedgwick County, KS, Shawnee County, KS, Sumner County, KS, Wilson County, KS, Woodson County, KS, Wyandotte County, KS, Andrew County, MO, Buchanan County, MO, Platte County, MO, Kay County, OK
The radar
The Topeka radar (KTWX), 100 km from the middle of the area, began a volume at 22:02 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, 9.9 hours before the alert went out and 111 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
- 621 J/kg
- Mixed-layer CIN
- -734 J/kg
- Mixed-layer LCL
- 931 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 301 m²/s²
- 0-3 km storm-relative helicity
- 511 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 |
|---|---|---|---|---|
| May 1, 5:36 PM CDT | Tornado Watch | SPC | Allen, Anderson, Atchison, Bourbon, Brown, Butler and 27 more | 7 hr |
| May 1, 4:02 PM CDT | Mesoscale Discussion | SPC | Cleveland, Garvin, Kay, Lincoln, Logan, McClain and 6 more | 88 min |
| May 1, 6:15 PM CDT | Tornado Watch | SPC | Canadian, Carter, Cleveland, Coal, Cotton, Craig and 35 more | 7 hr |
Nearby
Mesoscale Discussions in Kansas, 2008Mesoscale Discussions in Missouri, 2008Mesoscale Discussions in Oklahoma, 2008Every mesoscale discussion in 2008
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.