Alert archive / Iowa / Mesoscale Discussions in 2014
Mesoscale Discussion 236
The Storm Prediction Center issued this mesoscale discussion at Mar 31, 2014, 3:52 PM CDT for 27 counties in Iowa; 5 counties in Minnesota; 9 counties in Missouri. It was in force for 113 min.
The area
The outline as issued.
The facts
- Issued
- Mar 31, 2014, 3:52 PM CDT (20:52 UTC)
- Expired
- Mar 31, 2014, 5:45 PM CDT
- In force
- 113 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 41 counties
Boone County, IA, Butler County, IA, Cerro Gordo County, IA, Clarke County, IA, Dallas County, IA, Decatur County, IA, Floyd County, IA, Franklin County, IA, Grundy County, IA, Hamilton County, IA, Hancock County, IA, Hardin County, IA, Jasper County, IA, Kossuth County, IA, Lucas County, IA, Madison County, IA, Marion County, IA, Marshall County, IA, Polk County, IA, Ringgold County, IA, Story County, IA, Union County, IA, Warren County, IA, Wayne County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA, Blue Earth County, MN, Faribault County, MN, Freeborn County, MN, Martin County, MN, Watonwan County, MN, Caldwell County, MO, Daviess County, MO, DeKalb County, MO, Grundy County, MO, Harrison County, MO, Livingston County, MO, Mercer County, MO, Putnam County, MO, Sullivan County, MO
The radar
The Des Moines radar (KDMX), 14 km from the middle of the area, began a volume at 20:58 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
Davenport, (KDVN), launched 12:00Z, 8.9 hours before the alert went out and 281 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2175 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 175 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 |
|---|---|---|---|---|
| Mar 31, 6:43 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Cedar and 25 more | 3 hr |
| Mar 31, 6:18 AM CDT | Mesoscale Discussion | SPC | Norman, Polk | 6 hr |
| Mar 31, 12:08 PM CDT | Mesoscale Discussion | SPC | Kittson, Marshall, Norman, Pennington, Polk, Red Lake and 1 more | 6 hr |
| Mar 31, 3:05 PM CDT | Mesoscale Discussion | SPC | Chippewa, Cottonwood, Lac qui Parle, Lincoln, Lyon, Murray and 5 more | 115 min |
| Mar 31, 3:49 PM CDT | Mesoscale Discussion | SPC | Becker, Big Stone, Clay, Traverse, Wilkin | 5 hr |
| Mar 31, 5:15 PM CDT | Mesoscale Discussion | SPC | Barry, Barton, Bates, Benton, Cedar, Cooper and 18 more | 3 hr |
Nearby
Mesoscale Discussions in Iowa, 2014Mesoscale Discussions in Missouri, 2014Mesoscale Discussions in Minnesota, 2014Every mesoscale discussion in 2014
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.