Alert archive / Missouri / Mesoscale Discussions in 2003
Mesoscale Discussion 1892
The Storm Prediction Center issued this mesoscale discussion at Jul 18, 2003, 11:13 PM CDT for 22 counties in Arkansas; 27 counties in Missouri. It was in force for 92 min.
The area
The outline as issued.
The facts
- Issued
- Jul 18, 2003, 11:13 PM CDT (04:13 UTC)
- Expired
- Jul 19, 2003, 12:45 AM CDT
- In force
- 92 min
- Issued by
- the Storm Prediction Center
All 49 counties
Baxter County, AR, Clay County, AR, Cleburne County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Faulkner County, AR, Fulton County, AR, Greene County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Lawrence County, AR, Marion County, AR, Poinsett County, AR, Randolph County, AR, Sharp County, AR, St. Francis County, AR, Stone County, AR, Van Buren County, AR, White County, AR, Woodruff County, AR, Benton County, MO, Camden County, MO, Carter County, MO, Cole County, MO, Crawford County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Gasconade County, MO, Hickory County, MO, Howell County, MO, Laclede County, MO, Maries County, MO, Miller County, MO, Morgan County, MO, Oregon County, MO, Osage County, MO, Ozark County, MO, Phelps County, MO, Pulaski County, MO, Reynolds County, MO, Ripley County, MO, Shannon County, MO, Texas County, MO, Washington County, MO, Webster County, MO, Wright County, MO
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 00:00Z, 4.2 hours before the alert went out and 162 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
- 2598 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 1646 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 106 m²/s²
- 0-3 km storm-relative helicity
- 168 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 13.9
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 |
|---|---|---|---|---|
| Jul 18, 7:08 PM CDT | Mesoscale Discussion | SPC | Baxter, Boone, Carroll, Fulton, Marion | 97 min |
| Jul 18, 7:55 PM CDT | Severe Thunderstorm Watch | SPC | Baxter, Clay, Cleburne, Craighead, Crittenden, Cross and 16 more | 6 hr |
| Jul 19, 1:27 AM CDT | Mesoscale Discussion | SPC | Baxter, Boone, Cleburne, Conway, Faulkner, Fulton and 13 more | 63 min |
| Jul 19, 1:40 AM CDT | Severe Thunderstorm Watch | SPC | Baxter, Boone, Cleburne, Conway, Faulkner, Fulton and 18 more | 5 hr |
| Jul 19, 3:36 AM CDT | Mesoscale Discussion | SPC | Arkansas, Faulkner, Grant, Jefferson, Lincoln, Lonoke and 4 more | 84 min |
| Jul 19, 5:41 AM CDT | Mesoscale Discussion | SPC | Arkansas, Cleburne, Conway, Faulkner, Fulton, Independence and 16 more | 94 min |
| Jul 18, 7:34 PM CDT | Mesoscale Discussion | SPC | Audrain, Bollinger, Butler, Callaway, Cape Girardeau, Carter and 26 more | 56 min |
Nearby
Mesoscale Discussions in Missouri, 2003Mesoscale Discussions in Arkansas, 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.