Alert archive / Kansas / Mesoscale Discussions in 2007
Mesoscale Discussion 876
The Storm Prediction Center issued this mesoscale discussion at May 23, 2007, 11:29 PM CDT for 31 counties in Kansas. It was in force for 91 min.
The area
The outline as issued.
The facts
- Issued
- May 23, 2007, 11:29 PM CDT (04:29 UTC)
- Expired
- May 24, 2007, 1:00 AM CDT
- In force
- 91 min
- Issued by
- the Storm Prediction Center
All 31 counties
Barton County, KS, Butler County, KS, Chase County, KS, Clay County, KS, Cloud County, KS, Dickinson County, KS, Ellsworth County, KS, Geary County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Kingman County, KS, Lincoln County, KS, Lyon County, KS, Marion County, KS, Marshall County, KS, McPherson County, KS, Mitchell County, KS, Morris County, KS, Ottawa County, KS, Pottawatomie County, KS, Reno County, KS, Rice County, KS, Riley County, KS, Russell County, KS, Saline County, KS, Sedgwick County, KS, Stafford County, KS, Sumner County, KS, Wabaunsee County, KS, Washington County, KS
The radar
The Topeka radar (KTWX), 109 km from the middle of the area, began a volume at 04:29 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 00:00Z, 4.5 hours before the alert went out and 158 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
- 1254 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 1305 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 143 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.4
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 23, 7:10 PM CDT | Mesoscale Discussion | SPC | Atchison, Barton, Brown, Butler, Chase, Clay and 36 more | 35 min |
| May 23, 7:48 PM CDT | Severe Thunderstorm Watch | SPC | Barton, Butler, Chase, Clay, Cloud, Dickinson and 22 more | 7 hr |
| May 23, 10:12 PM CDT | Mesoscale Discussion | SPC | Clark, Comanche, Edwards, Finney, Ford, Grant and 12 more | 63 min |
| May 23, 10:48 PM CDT | Tornado Watch | SPC | Barber, Clark, Comanche, Kiowa, Meade, Pratt and 1 more | 4 hr |
| May 24, 1:51 AM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Butler, Chase, Clay, Coffey and 28 more | 54 min |
| May 24, 2:06 AM CDT | Mesoscale Discussion | SPC | Barber, Comanche, Harper, Kingman, Kiowa, Pratt and 1 more | 54 min |
| May 24, 2:41 AM CDT | Severe Thunderstorm Watch | SPC | Anderson, Brown, Butler, Chase, Coffey, Cowley and 25 more | 3 hr |
| May 24, 5:19 AM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Butler, Chase, Coffey, Cowley and 16 more | 56 min |
Nearby
Mesoscale Discussions in Kansas, 2007Every mesoscale discussion in 2007
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.