Alert archive / Indiana / Mesoscale Discussions in 2007
Mesoscale Discussion 424
The Storm Prediction Center issued this mesoscale discussion at Apr 3, 2007, 2:10 PM EDT for 49 counties in Indiana; 4 counties in Kentucky; 41 counties in Ohio. It was in force for 65 min.
The area
The outline as issued.
The facts
- Issued
- Apr 3, 2007, 2:10 PM EDT (18:10 UTC)
- Expired
- Apr 3, 2007, 3:15 PM EDT
- In force
- 65 min
- Issued by
- the Storm Prediction Center
All 94 counties
Adams County, IN, Allen County, IN, Bartholomew County, IN, Blackford County, IN, Boone County, IN, Brown County, IN, Clay County, IN, Clinton County, IN, Dearborn County, IN, Decatur County, IN, Delaware County, IN, Fayette County, IN, Franklin County, IN, Grant County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Huntington County, IN, Jackson County, IN, Jay County, IN, Jefferson County, IN, Jennings County, IN, Johnson County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Martin County, IN, Miami County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Ohio County, IN, Owen County, IN, Putnam County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Scott County, IN, Shelby County, IN, Switzerland County, IN, Tipton County, IN, Union County, IN, Wabash County, IN, Wayne County, IN, Wells County, IN, Whitley County, IN, Boone County, KY, Campbell County, KY, Gallatin County, KY, Kenton County, KY, Allen County, OH, Auglaize County, OH, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Crawford County, OH, Darke County, OH, Defiance County, OH, Delaware County, OH, Fayette County, OH, Franklin County, OH, Fulton County, OH, Greene County, OH, Hamilton County, OH, Hancock County, OH, Hardin County, OH, Henry County, OH, Highland County, OH, Logan County, OH, Madison County, OH, Marion County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Morrow County, OH, Paulding County, OH, Pickaway County, OH, Preble County, OH, Putnam County, OH, Ross County, OH, Sandusky County, OH, Seneca County, OH, Shelby County, OH, Union County, OH, Van Wert County, OH, Warren County, OH, Wood County, OH, Wyandot County, OH
The radar
The Cincinnati radar (KILN), 114 km from the middle of the area, began a volume at 18:11 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
Lincoln, IL (KILX), launched 12:00Z, 6.2 hours before the alert went out and 311 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
- 32 J/kg
- Mixed-layer CIN
- -399 J/kg
- Mixed-layer LCL
- 1864 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 210 m²/s²
- 0-3 km storm-relative helicity
- 221 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 |
|---|---|---|---|---|
| Apr 3, 10:08 AM EDT | Mesoscale Discussion | SPC | Benton, Fountain, Newton, Vermillion, Warren | 67 min |
| Apr 3, 10:48 AM EDT | Severe Thunderstorm Watch | SPC | Boone, Carroll, Clay, Clinton, Daviess, Fountain and 16 more | 6 hr |
| Apr 3, 12:04 PM EDT | Mesoscale Discussion | SPC | Gibson, Pike, Posey, Vanderburgh, Warrick | 26 min |
| Apr 3, 12:51 PM EDT | Tornado Watch | SPC | Gibson, Pike, Posey, Spencer, Vanderburgh, Warrick | 8 hr |
| Apr 3, 2:33 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Allen, Bartholomew, Blackford, Boone, Brown and 53 more | 7 hr |
| Apr 3, 3:25 PM EDT | Mesoscale Discussion | SPC | Gibson, Pike, Posey, Vanderburgh, Warrick | 65 min |
| Apr 3, 4:23 PM EDT | Mesoscale Discussion | SPC | Bartholomew, Blackford, Brown, Clark, Crawford, Dearborn and 33 more | 67 min |
| Apr 3, 3:15 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Barren, Bullitt, Butler, Clinton, Cumberland and 12 more | 6 hr |
| Apr 3, 6:05 PM EDT | Severe Thunderstorm Watch | SPC | Adair, Anderson, Bath, Bell, Bourbon, Boyd and 60 more | 5 hr |
| Apr 3, 6:23 PM EDT | Mesoscale Discussion | SPC | Allen, Barren, Breckinridge, Butler, Cumberland, Edmonson and 11 more | 2 hr |
| Apr 3, 7:15 PM EDT | Mesoscale Discussion | SPC | Allen, Barren, Butler, Caldwell, Calloway, Christian and 16 more | 60 min |
Nearby
Mesoscale Discussions in Indiana, 2007Mesoscale Discussions in Ohio, 2007Mesoscale Discussions in Kentucky, 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.