Alert archive / Kansas / Mesoscale Discussions in 2017
Mesoscale Discussion 1695
The Storm Prediction Center issued this mesoscale discussion at Oct 6, 2017, 6:50 PM CDT for 23 counties in Kansas; Atchison County, Missouri; 8 counties in Nebraska. It was in force for 85 min.
The area
The outline as issued.
The facts
- Issued
- Oct 6, 2017, 6:50 PM CDT (23:50 UTC)
- Expired
- Oct 6, 2017, 8:15 PM CDT
- In force
- 85 min
- Issued by
- the Storm Prediction Center
All 32 counties
Chase County, KS, Clay County, KS, Cloud County, KS, Dickinson County, KS, Ellsworth County, KS, Geary County, KS, Harvey County, KS, Marion County, KS, Marshall County, KS, McPherson County, KS, Morris County, KS, Nemaha County, KS, Ottawa County, KS, Pottawatomie County, KS, Pratt County, KS, Reno County, KS, Republic County, KS, Rice County, KS, Riley County, KS, Saline County, KS, Sedgwick County, KS, Wabaunsee County, KS, Washington County, KS, Atchison County, MO, Gage County, NE, Jefferson County, NE, Johnson County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Richardson County, NE, Saline County, NE
The radar
The Topeka radar (KTWX), 80 km from the middle of the area, began a volume at 23:49 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 12:00Z, 11.8 hours before the alert went out and 110 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
- 126 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 650 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 225 m²/s²
- 0-3 km storm-relative helicity
- 218 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
<!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 |
|---|---|---|---|---|
| Oct 6, 2:55 PM CDT | Mesoscale Discussion | SPC | Barton, Edwards, Ellis, Ellsworth, Finney, Ford and 25 more | 2 hr |
| Oct 6, 3:14 PM CDT | Mesoscale Discussion | SPC | Cloud, Jewell, Mitchell, Republic, Washington | 91 min |
| Oct 6, 3:31 PM CDT | Severe Thunderstorm Watch | SPC | Barber, Clark, Comanche, Edwards, Ellis, Finney and 28 more | 7 hr |
| Oct 6, 3:47 PM CDT | Severe Thunderstorm Watch | SPC | Barton, Brown, Clay, Cloud, Dickinson, Ellsworth and 20 more | 7 hr |
| Oct 6, 6:06 PM CDT | Mesoscale Discussion | SPC | Barber, Barton, Clark, Comanche, Edwards, Ellis and 34 more | 84 min |
| Oct 6, 4:46 PM CDT | Mesoscale Discussion | SPC | Adams, Antelope, Boone, Buffalo, Burt, Butler and 33 more | 2 hr |
Nearby
Mesoscale Discussions in Kansas, 2017Mesoscale Discussions in Nebraska, 2017Mesoscale Discussions in Missouri, 2017Every mesoscale discussion in 2017
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.