Alert archive / Kansas / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 281, NWS Topeka, KS

August 17, 2019Dickinson County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Aug 17, 2019, 11:15 PM CDT for Dickinson County, Kansas. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 17, 2019, 11:15 PM CDT (04:15 UTC)
Expired
Aug 18, 2019, 12:00 AM CDT
In force
45 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Dickinson County, KS

The radar

The Topeka radar (KTWX), 81 km from the middle of the area, began a volume at 04:15 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 17, 8:25 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 4.3 hours before the alert went out and 132 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.

Skew-T log-pSkew-T log-p diagram, Topeka, KS at 00:00Z on 2019-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2409 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 2019-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2409 J/kg
Mixed-layer CIN
-142 J/kg
Mixed-layer LCL
1516 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
74 m²/s²
Significant tornado parameter
0.1
Supercell composite
4.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Aug 17, 6:46 PM CDT, 4 hours 29 minutes earlier.

Area forecast discussion, Aug 17, 6:46 PM CDT, 4 hours 29 minutes before
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Hazardous weather outlook, Aug 17, 3:49 PM CDT, 7 hours 26 minutes before
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<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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The office that day

Everything else NWS Topeka, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 17, 10:40 PM CDTSpecial Weather StatementTOPOttawa50 min
Aug 17, 11:56 PM CDTSpecial Weather StatementTOPDickinson, Geary34 min
Aug 18, 12:05 AM CDTSpecial Weather StatementTOPNemaha25 min
Aug 18, 12:16 AM CDTSpecial Weather StatementTOPMorris29 min
Aug 18, 12:32 AM CDTSpecial Weather StatementTOPBrown13 min
Aug 18, 12:39 AM CDTSpecial Weather StatementTOPNemaha36 min
Aug 18, 1:00 AM CDTSpecial Weather StatementTOPLyon30 min
Aug 18, 1:18 AM CDTSpecial Weather StatementTOPCoffey42 min
Aug 18, 1:19 AM CDTSpecial Weather StatementTOPJefferson41 min
Aug 18, 1:59 AM CDTSpecial Weather StatementTOPJefferson31 min
Aug 18, 2:04 AM CDTSevere Thunderstorm WarningTOPJefferson26 min
Aug 18, 2:38 PM CDTHeat AdvisoryTOPAnderson, Clay, Coffey, Dickinson, Douglas, Franklin and 11 more29 hr
Aug 18, 2:38 PM CDTHeat AdvisoryTOPAnderson, Brown, Clay, Cloud, Coffey, Dickinson and 17 more54 hr

Nearby

Severe Thunderstorm Warnings in Kansas, 2019Every severe thunderstorm warning in 2019

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.