Alert archive / Kansas / Mesoscale Discussions in 2020
Mesoscale Discussion 545
The Storm Prediction Center issued this mesoscale discussion at May 7, 2020, 1:38 PM CDT for 14 counties in Kansas; 7 counties in Oklahoma. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- May 7, 2020, 1:38 PM CDT (18:38 UTC)
- Expired
- May 7, 2020, 4:15 PM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 21 counties
Butler County, KS, Chautauqua County, KS, Cowley County, KS, Elk County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Kingman County, KS, Montgomery County, KS, Reno County, KS, Rice County, KS, Sedgwick County, KS, Sumner County, KS, Wilson County, KS, Craig County, OK, Kay County, OK, Mayes County, OK, Nowata County, OK, Osage County, OK, Rogers County, OK, Washington County, OK
The radar
The Wichita radar (KICT), 77 km from the middle of the area, began a volume at 18:38 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 12:00Z, 6.6 hours before the alert went out and 216 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1907 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 135 m²/s²
- 0-3 km storm-relative helicity
- 273 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| May 7, 6:43 PM CDT | Mesoscale Discussion | SPC | Barber, Clark, Comanche, Edwards, Ford, Gray and 3 more | 62 min |
| May 7, 3:49 PM CDT | Mesoscale Discussion | SPC | Beckham, Ellis, Greer, Harmon, Jackson, Roger Mills | 116 min |
| May 7, 4:45 PM CDT | Severe Thunderstorm Watch | SPC | Beckham, Comanche, Cotton, Greer, Harmon, Jackson and 2 more | 5 hr |
| May 7, 4:57 PM CDT | Mesoscale Discussion | SPC | Beckham, Comanche, Cotton, Greer, Harmon, Jackson and 3 more | 63 min |
| May 7, 6:04 PM CDT | Mesoscale Discussion | SPC | Greer, Harmon, Jackson, Kiowa, Tillman | 56 min |
Nearby
Mesoscale Discussions in Kansas, 2020Mesoscale Discussions in Oklahoma, 2020Every mesoscale discussion in 2020
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.