Alert archive / Missouri / Mesoscale Discussions in 2009
Mesoscale Discussion 150
The Storm Prediction Center issued this mesoscale discussion at Feb 26, 2009, 12:51 PM CST for 4 counties in Kansas; 37 counties in Missouri. It was in force for 114 min.
The area
The outline as issued.
The facts
- Issued
- Feb 26, 2009, 12:51 PM CST (18:51 UTC)
- Expired
- Feb 26, 2009, 2:45 PM CST
- In force
- 114 min
- Issued by
- the Storm Prediction Center
All 41 counties
Johnson County, KS, Linn County, KS, Miami County, KS, Wyandotte County, KS, Barton County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Caldwell County, MO, Carroll County, MO, Cass County, MO, Cedar County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Cooper County, MO, Dade County, MO, Daviess County, MO, DeKalb County, MO, Grundy County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Mercer County, MO, Moniteau County, MO, Morgan County, MO, Pettis County, MO, Platte County, MO, Polk County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, St. Clair County, MO, Sullivan County, MO, Vernon County, MO
The radar
The Pleasant Hill radar (KEAX), 54 km from the middle of the area, began a volume at 18:54 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 nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 6.9 hours before the alert went out and 229 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
- 617 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 504 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 263 m²/s²
- 0-3 km storm-relative helicity
- 283 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.6
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 |
|---|---|---|---|---|
| Feb 26, 6:57 AM CST | Mesoscale Discussion | SPC | Johnson, Leavenworth, Wyandotte | 93 min |
| Feb 26, 9:26 AM CST | Mesoscale Discussion | SPC | Adair, Andrew, Audrain, Boone, Buchanan, Caldwell and 43 more | 2 hr |
| Feb 26, 5:19 PM CST | Severe Thunderstorm Watch | SPC | Audrain, Barry, Benton, Boone, Callaway, Camden and 51 more | 7 hr |
Nearby
Mesoscale Discussions in Missouri, 2009Mesoscale Discussions in Kansas, 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.