Alert archive / Kansas / Mesoscale Discussions in 2015
Mesoscale Discussion 1750
The Storm Prediction Center issued this mesoscale discussion at Aug 27, 2015, 5:36 AM CDT for 27 counties in Kansas; 15 counties in Nebraska; Craig County, Nowata County, Washington County, Oklahoma. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 27, 2015, 5:36 AM CDT (10:36 UTC)
- Expired
- Aug 27, 2015, 8:00 AM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 5%
All 45 counties
Allen County, KS, Anderson County, KS, Chase County, KS, Chautauqua County, KS, Coffey County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Geary County, KS, Greenwood County, KS, Jackson County, KS, Jefferson County, KS, Labette County, KS, Lyon County, KS, Marshall County, KS, Montgomery County, KS, Morris County, KS, Nemaha County, KS, Neosho County, KS, Osage County, KS, Pottawatomie County, KS, Riley County, KS, Shawnee County, KS, Wabaunsee County, KS, Washington County, KS, Wilson County, KS, Woodson County, KS, Butler County, NE, Colfax County, NE, Dodge County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Lancaster County, NE, Otoe County, NE, Pawnee County, NE, Platte County, NE, Polk County, NE, Saline County, NE, Saunders County, NE, Seward County, NE, York County, NE, Craig County, OK, Nowata County, OK, Washington County, OK
The radar
The Topeka radar (KTWX), 17 km from the middle of the area, began a volume at 10:36 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
Topeka, KS (KFOE), launched 00:00Z, 10.6 hours before the alert went out and 63 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
- 12 J/kg
- Mixed-layer CIN
- -633 J/kg
- Mixed-layer LCL
- 1958 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 107 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 |
|---|---|---|---|---|
| Aug 27, 5:16 PM CDT | Mesoscale Discussion | SPC | Barton, Cloud, Edwards, Ellis, Ellsworth, Jewell and 12 more | 119 min |
| Aug 27, 3:24 PM CDT | Mesoscale Discussion | SPC | Blaine, Brown, Garfield, Greeley, Holt, Howard and 6 more | 2 hr |
| Aug 27, 5:41 PM CDT | Severe Thunderstorm Watch | SPC | Antelope, Blaine, Boone, Boyd, Brown, Buffalo and 29 more | 5 hr |
Nearby
Mesoscale Discussions in Kansas, 2015Mesoscale Discussions in Nebraska, 2015Mesoscale Discussions in Oklahoma, 2015Every mesoscale discussion in 2015
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.