Alert archive / Kansas / Mesoscale Discussions in 2009
Mesoscale Discussion 202
The Storm Prediction Center issued this mesoscale discussion at Mar 7, 2009, 8:27 PM CST for 22 counties in Kansas; Woods County, Oklahoma. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 7, 2009, 8:27 PM CST (02:27 UTC)
- Expired
- Mar 7, 2009, 10:30 PM CST
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 23 counties
Barber County, KS, Butler County, KS, Chase County, KS, Coffey County, KS, Douglas County, KS, Franklin County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Jefferson County, KS, Kingman County, KS, Lyon County, KS, Marion County, KS, McPherson County, KS, Morris County, KS, Osage County, KS, Reno County, KS, Sedgwick County, KS, Shawnee County, KS, Sumner County, KS, Wabaunsee County, KS, Woodson County, KS, Woods County, OK
The radar
The Wichita radar (KICT), 16 km from the middle of the area, began a volume at 02:27 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
Lamont, OK (KLMN), launched 00:00Z, 2.5 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
- 654 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 1275 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 239 m²/s²
- 0-3 km storm-relative helicity
- 231 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 1.1
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 |
|---|---|---|---|---|
| Mar 7, 6:31 PM CST | Mesoscale Discussion | SPC | Johnson, Leavenworth, Linn, Miami, Wyandotte | 59 min |
| Mar 7, 7:33 PM CST | Severe Thunderstorm Watch | SPC | Atchison, Johnson, Leavenworth, Linn, Miami, Wyandotte | 7 hr |
| Mar 7, 9:51 PM CST | Severe Thunderstorm Watch | SPC | Allen, Anderson, Butler, Chase, Coffey, Cowley and 13 more | 4 hr |
| Mar 7, 10:26 PM CST | Mesoscale Discussion | SPC | Johnson, Leavenworth, Linn, Miami, Wyandotte | 2 hr |
| Mar 8, 12:43 AM CST | Mesoscale Discussion | SPC | Anderson, Chase, Coffey, Douglas, Franklin, Greenwood and 11 more | 92 min |
| Mar 8, 5:56 AM CDT | Mesoscale Discussion | SPC | Crawford | 64 min |
| Mar 8, 6:32 AM CDT | Tornado Watch | SPC | Bourbon, Cherokee, Crawford | 7 hr |
Nearby
Mesoscale Discussions in Kansas, 2009Mesoscale Discussions in Oklahoma, 2009Every mesoscale discussion in 2009
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.