Alert archive / Missouri / Mesoscale Discussions in 2003
Mesoscale Discussion 799
The Storm Prediction Center issued this mesoscale discussion at May 6, 2003, 3:42 PM CDT for 10 counties in Kansas; 26 counties in Missouri; 7 counties in Oklahoma. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- May 6, 2003, 3:42 PM CDT (20:42 UTC)
- Expired
- May 6, 2003, 5:45 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 43 counties
Allen County, KS, Anderson County, KS, Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Labette County, KS, Linn County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Barton County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Callaway County, MO, Camden County, MO, Cedar County, MO, Cole County, MO, Cooper County, MO, Dade County, MO, Dallas County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Jasper County, MO, Johnson County, MO, Maries County, MO, Miller County, MO, Moniteau County, MO, Morgan County, MO, Newton County, MO, Osage County, MO, Pettis County, MO, Polk County, MO, St. Clair County, MO, Vernon County, MO, Craig County, OK, Delaware County, OK, Mayes County, OK, Nowata County, OK, Ottawa County, OK, Rogers County, OK, Washington County, OK
The radar
The Springfield radar (KSGF), 83 km from the middle of the area, began a volume at 20:43 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, 8.7 hours before the alert went out and 117 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
- 34 J/kg
- Mixed-layer CIN
- -216 J/kg
- Mixed-layer LCL
- 1877 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
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 |
|---|---|---|---|---|
| May 6, 6:49 AM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Coffey, Crawford, Douglas and 11 more | 3 hr |
| May 6, 7:55 AM CDT | Severe Thunderstorm Watch | SPC | Anderson, Bourbon, Crawford, Franklin, Linn, Miami and 1 more | 5 hr |
| May 6, 8:50 AM CDT | Severe Thunderstorm Watch | SPC | Anderson, Atchison, Brown, Chase, Clay, Cloud and 28 more | 4 hr |
| May 6, 11:29 AM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Cherokee, Coffey, Crawford and 17 more | 2 hr |
| May 6, 11:40 AM CDT | Tornado Watch | SPC | Allen, Anderson, Bourbon, Chase, Chautauqua, Cherokee and 20 more | 7 hr |
| May 5, 10:58 PM CDT | Mesoscale Discussion | SPC | Barry, Bollinger, Cape Girardeau, Carter, Christian, Douglas and 14 more | 2 hr |
| May 6, 1:50 AM CDT | Tornado Watch | SPC | Dunklin, Pemiscot | 6 hr |
| May 6, 10:32 AM CDT | Mesoscale Discussion | SPC | McDonald | 118 min |
| May 6, 11:55 AM CDT | Severe Thunderstorm Watch | SPC | Cole, Crawford, Dent, Franklin, Gasconade, Iron and 16 more | 4 hr |
| May 6, 2:15 PM CDT | Tornado Watch | SPC | Boone, Callaway, Camden, Carter, Cole, Cooper and 27 more | 5 hr |
| May 6, 5:08 PM CDT | Mesoscale Discussion | SPC | Franklin, Jefferson, Saint Charles, Saint Louis, Warren, City of Saint Louis | 2 hr |
| May 6, 5:33 PM CDT | Mesoscale Discussion | SPC | Barry, Carter, Christian, Crawford, Dade, Dent and 23 more | 117 min |
| May 6, 5:40 PM CDT | Tornado Watch | SPC | Bollinger, Butler, Cape Girardeau, Iron, Jefferson, Madison and 11 more | 6 hr |
| May 6, 6:35 PM CDT | Tornado Watch | SPC | Barry, Barton, Camden, Carter, Cedar, Christian and 31 more | 5 hr |
| May 6, 2:47 PM CDT | Mesoscale Discussion | SPC | Atoka, Bryan, Choctaw, Coal, Haskell, Latimer and 5 more | 118 min |
| May 6, 3:05 PM CDT | Tornado Watch | SPC | Atoka, Bryan, Carter, Choctaw, Coal, Haskell and 12 more | 6 hr |
| May 6, 6:55 PM CDT | Tornado Watch | SPC | Adair, Atoka, Bryan, Choctaw, Haskell, Latimer and 4 more | 5 hr |
Nearby
Mesoscale Discussions in Missouri, 2003Mesoscale Discussions in Kansas, 2003Mesoscale Discussions in Oklahoma, 2003Every mesoscale discussion in 2003
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.