Alert archive / Oklahoma / Mesoscale Discussions in 2004
Mesoscale Discussion 1480
The Storm Prediction Center issued this mesoscale discussion at Jul 3, 2004, 3:19 AM CDT for Polk County, Scott County, Arkansas; 9 counties in Oklahoma. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 3, 2004, 3:19 AM CDT (08:19 UTC)
- Expired
- Jul 3, 2004, 5:45 AM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
Counties Polk County, AR, Scott County, AR, Haskell County, OK, Latimer County, OK, LeFlore County, OK, McCurtain County, OK, McIntosh County, OK, Muskogee County, OK, Okmulgee County, OK, Pittsburg County, OK, Pushmataha County, OK
The radar
The Western Arkansas radar (KSRX), 90 km from the middle of the area, began a volume at 08:22 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
Norman, OK (KOUN), launched 00:00Z, 8.3 hours before the alert went out and 194 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
- 3602 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1156 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 153 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 9.0
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 |
|---|---|---|---|---|
| Jul 2, 8:26 PM CDT | Mesoscale Discussion | SPC | Benton, Carroll, Crawford, Franklin, Madison, Washington | 94 min |
| Jul 2, 10:39 PM CDT | Mesoscale Discussion | SPC | Baxter, Benton, Boone, Carroll, Cleburne, Conway and 18 more | 96 min |
| Jul 2, 7:17 PM CDT | Mesoscale Discussion | SPC | Comanche, Cotton, Greer, Harmon, Jackson, Kiowa and 1 more | 88 min |
| Jul 2, 7:51 PM CDT | Mesoscale Discussion | SPC | Cimarron, Texas | 84 min |
| Jul 2, 9:19 PM CDT | Mesoscale Discussion | SPC | Beaver, Cimarron, Ellis, Harper, Roger Mills, Texas | 56 min |
| Jul 3, 1:01 AM CDT | Mesoscale Discussion | SPC | Atoka, Caddo, Canadian, Carter, Cleveland, Coal and 35 more | 89 min |
| Jul 3, 1:15 AM CDT | Severe Thunderstorm Watch | SPC | Caddo, Carter, Comanche, Cotton, Garvin, Grady and 10 more | 6 hr |
| Jul 3, 3:32 AM CDT | Mesoscale Discussion | SPC | Carter, Cotton, Jefferson, Love, Tillman | 118 min |
| Jul 3, 6:15 AM CDT | Mesoscale Discussion | SPC | Bryan, Choctaw, Love, Marshall | 60 min |
Nearby
Mesoscale Discussions in Oklahoma, 2004Mesoscale Discussions in Arkansas, 2004Every mesoscale discussion in 2004
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.