Alert archive / Missouri / Mesoscale Discussions in 2020
Mesoscale Discussion 1189
The Storm Prediction Center issued this mesoscale discussion at Jul 11, 2020, 3:07 PM CDT for 4 states. It was in force for 83 min.
The area
The outline as issued.
The facts
- Issued
- Jul 11, 2020, 3:07 PM CDT (20:07 UTC)
- Expired
- Jul 11, 2020, 4:30 PM CDT
- In force
- 83 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch likely
- Chance of a watch
- 95%
All 43 counties
Benton County, AR, Boone County, AR, Carroll County, AR, Allen County, KS, Anderson County, KS, Bourbon County, KS, Cherokee County, KS, Coffey County, KS, Crawford County, KS, Elk County, KS, Greenwood County, KS, Labette County, KS, Linn County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS, Barry County, MO, Barton County, MO, Bates County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Douglas County, MO, Greene County, MO, Hickory County, MO, Jasper County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Ozark County, MO, Polk County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Vernon County, MO, Webster County, MO, Wright County, MO, Craig County, OK, Delaware County, OK, Nowata County, OK, Ottawa County, OK
The radar
The Springfield radar (KSGF), 82 km from the middle of the area, began a volume at 20:10 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
Springfield, MO (KSGF), launched 12:00Z, 8.1 hours before the alert went out and 68 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
- 1333 J/kg
- Mixed-layer CIN
- -95 J/kg
- Mixed-layer LCL
- 1092 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted.
<!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 |
|---|---|---|---|---|
| Jul 11, 6:08 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more | 7 hr |
| Jul 10, 7:00 PM CDT | Mesoscale Discussion | SPC | Cloud, Jewell, Mitchell, Osborne, Phillips, Republic and 1 more | 60 min |
| Jul 11, 1:23 AM CDT | Mesoscale Discussion | SPC | Brown, Jewell, Marshall, Nemaha, Phillips, Republic and 2 more | 2 hr |
| Jul 11, 7:38 AM CDT | Mesoscale Discussion | SPC | Butler, Chase, Chautauqua, Cowley, Elk, Greenwood and 1 more | 97 min |
| Jul 11, 12:43 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Atchison, Bourbon, Brown, Clay and 22 more | 92 min |
| Jul 11, 1:35 PM CDT | Severe Thunderstorm Watch | SPC | Anderson, Atchison, Coffey, Dickinson, Douglas, Franklin and 17 more | 4 hr |
| Jul 11, 3:36 PM CDT | Severe Thunderstorm Watch | SPC | Allen, Bourbon, Cherokee, Crawford, Labette, Neosho and 2 more | 7 hr |
| Jul 11, 4:00 PM CDT | Mesoscale Discussion | SPC | Barber, Butler, Chase, Chautauqua, Clark, Comanche and 24 more | 3 hr |
| Jul 11, 3:58 PM CDT | Severe Thunderstorm Watch | SPC | Clark | 8 hr |
Nearby
Mesoscale Discussions in Missouri, 2020Mesoscale Discussions in Kansas, 2020Mesoscale Discussions in Oklahoma, 2020Every mesoscale discussion in 2020
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.