Alert archive / Kansas / Special Weather Statements in 2018
Special Weather Statement, NWS Topeka, KS
NWS Topeka, KS issued this special weather statement at Aug 16, 2018, 2:49 PM CDT for Shawnee County, Kansas. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 16, 2018, 2:49 PM CDT (19:49 UTC)
- Expired
- Aug 16, 2018, 3:15 PM CDT
- In force
- 26 min
- Issued by
- NWS Topeka, KS
County Shawnee County, KS
The radar
The Topeka radar (KTWX), 40 km from the middle of the area, began a volume at 19:52 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, 7.8 hours before the alert went out and 12 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
- 758 J/kg
- Mixed-layer CIN
- -172 J/kg
- Mixed-layer LCL
- 942 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Topeka, KS wrote its last area forecast discussion before this special weather statement went out at Aug 16, 12:22 PM CDT, 2 hours 27 minutes earlier.
Area forecast discussion, Aug 16, 12:22 PM CDT, 2 hours 27 minutes before
<!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.
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</html>Hazardous weather outlook, Aug 16, 2:32 PM CDT, 17 minutes before
Hazardous Weather Outlook National Weather Service Topeka KS 232 PM CDT Thu Aug 16 2018 KSZ008>012-020>024-026-034>040-054>056-058-059-171945- Republic-Washington-Marshall-Nemaha-Brown-Cloud-Clay-Riley- Pottawatomie-Jackson-Jefferson-Ottawa-Dickinson-Geary-Morris- Wabaunsee-Shawnee-Douglas-Lyon-Osage-Franklin-Coffey-Anderson- 232 PM CDT Thu Aug 16 2018 This hazardous weather outlook is for east central...north central and northeast Kansas. .DAY ONE...This Afternoon and tonight. Isolated to scattered severe thunderstorms will be possible across the entire area this afternoon and evening, primarily between 3 and 9 PM. The most intense storms will be capable of producing hail of quarter to golf ball size, locally damaging winds, and perhaps a tornado. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed this afternoon and evening. && More detailed information can be accessed at... http://www.weather.gov/top/sitrep Cohen/Bunker
In the hours before
Special weather statement, Aug 16, 9:40 AM CDT, 5 hours 9 minutes before
Special Weather Statement National Weather Service Topeka KS 940 AM CDT THU AUG 16 2018 KSZ036>038-161515- Wabaunsee-Geary-Morris- 940 AM CDT THU AUG 16 2018 ...SPECIAL WEATHER STATEMENT... At 939 AM CDT, Doppler radar was tracking a strong thunderstorm 4 miles northwest of Dwight, moving east at 40 mph. Half inch hail will be possible with this storm. Locations impacted include... Alta Vista and Dwight. LAT...LON 3886 9672 3892 9670 3891 9633 3876 9638 TIME...MOT...LOC 1439Z 284DEG 34KT 3888 9667 Cohen
Special weather statement, Aug 16, 2:49 PM CDT, 0 minutes before
Special Weather Statement National Weather Service Topeka KS 249 PM CDT THU AUG 16 2018 KSZ039-162015- Shawnee- 249 PM CDT THU AUG 16 2018 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN SHAWNEE COUNTY UNTIL 315 PM CDT... At 248 PM CDT, Doppler radar was tracking a strong thunderstorm near Dover, moving east at 35 mph. Dime size hail and wind gusts up to 50 mph will be possible with this storm. Locations impacted include... Topeka, Dover, Auburn and Pauline. This includes Kansas Turnpike between mile markers 169 and 181. LAT...LON 3888 9566 3892 9595 3905 9595 3905 9562 TIME...MOT...LOC 1948Z 278DEG 31KT 3899 9589 Cohen
The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 9:40 AM CDT | Special Weather Statement | TOP | Morris | 35 min |
| Aug 16, 3:07 PM CDT | Special Weather Statement | TOP | Shawnee | 23 min |
| Aug 16, 3:22 PM CDT | Severe Thunderstorm Warning | TOP | Douglas | 55 min |
| Aug 16, 3:35 PM CDT | Special Weather Statement | TOP | Franklin | 25 min |
| Aug 16, 3:44 PM CDT | Severe Thunderstorm Warning | TOP | Douglas, Franklin | 33 min |
| Aug 16, 3:54 PM CDT | Special Weather Statement | TOP | Lyon | 36 min |
| Aug 16, 4:01 PM CDT | Severe Thunderstorm Warning | TOP | Lyon, Osage | 59 min |
| Aug 16, 4:33 PM CDT | Severe Thunderstorm Warning | TOP | Coffey, Osage | 57 min |
| Aug 16, 4:38 PM CDT | Severe Thunderstorm Warning | TOP | Anderson, Franklin | 67 min |
| Aug 16, 4:48 PM CDT | Severe Thunderstorm Warning | TOP | Anderson, Coffey | 42 min |
| Aug 16, 5:19 PM CDT | Severe Thunderstorm Warning | TOP | Anderson, Coffey, Lyon | 56 min |
| Aug 16, 5:28 PM CDT | Severe Thunderstorm Warning | TOP | Anderson | 62 min |
| Aug 16, 6:04 PM CDT | Areal Flood Advisory | TOP | Anderson, Coffey | 116 min |
| Aug 16, 6:13 PM CDT | Severe Thunderstorm Warning | TOP | Anderson, Coffey | 30 min |
| Aug 16, 6:45 PM CDT | Severe Thunderstorm Warning | TOP | Lyon, Morris | 60 min |
Nearby
Special Weather Statements in Kansas, 2018Every special weather statement in 2018
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.