Alert archive / Kansas / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 24, NWS Topeka, KS

April 15, 2023Lyon County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Apr 15, 2023, 1:08 PM CDT for Lyon County, Kansas. It was in force for 22 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
Apr 15, 2023, 1:08 PM CDT (18:08 UTC)
Expired
Apr 15, 2023, 1:30 PM CDT
In force
22 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Lyon County, KS

The radar

The Topeka radar (KTWX), 61 km from the middle of the area, began a volume at 18:07 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.

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 Apr 15, 12:54 PM CDT, 14 minutes earlier.

Area forecast discussion, Apr 15, 12:54 PM CDT, 14 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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Hazardous weather outlook, Apr 15, 3:21 AM CDT, 9 hours 47 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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

In the hours before

Local storm report, Apr 15, 8:40 AM CDT, 4 hours 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TOPEKA KS
840 AM CDT SAT APR 15 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0839 AM     HEAVY RAIN       2 W OLSBURG             39.43N 96.64W
04/15/2023  M2.00 INCH       POTTAWATOMIE       KS   TRAINED SPOTTER

            TOTAL FROM STORMS LAST NIGHT. MAY HAVE ALSO
            HAD SMALL HAIL.

&&

CP
Special weather statement, Apr 15, 1:01 PM CDT, 7 minutes before
Special Weather Statement
National Weather Service Topeka KS
101 PM CDT Sat Apr 15 2023

KSZ054-151830-
Lyon-
101 PM CDT Sat Apr 15 2023

...A strong thunderstorm will impact portions of southern Lyon County
through 130 PM CDT...

At 100 PM CDT, Doppler radar was tracking a strong thunderstorm 9
miles southwest of Olpe, moving northeast at 50 mph.

HAZARD...Wind gusts up to 50 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Emporia, Olpe and Neosho Rapids.

This includes the following highways...
 Interstate 35 between mile markers 128 and 143.
 Kansas Turnpike between mile markers 117 and 133.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3817 9636 3839 9635 3850 9629 3847 9595
      3835 9595 3817 9618
TIME...MOT...LOC 1800Z 219DEG 42KT 3821 9632

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH

Reese

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 14, 7:03 PM CDTSpecial Weather StatementTOPMarshall27 min
Apr 14, 7:11 PM CDTSpecial Weather StatementTOPOsage34 min
Apr 14, 7:16 PM CDTSpecial Weather StatementTOPOttawa29 min
Apr 14, 7:20 PM CDTSpecial Weather StatementTOPLyon25 min
Apr 14, 7:24 PM CDTSevere Thunderstorm WarningTOPCloud, Ottawa36 min
Apr 14, 7:27 PM CDTSevere Thunderstorm WarningTOPLyon33 min
Apr 14, 7:31 PM CDTSpecial Weather StatementTOPCloud29 min
Apr 14, 7:54 PM CDTSevere Thunderstorm WarningTOPCloud, Ottawa36 min
Apr 14, 7:55 PM CDTSpecial Weather StatementTOPOsage35 min
Apr 14, 8:31 PM CDTSpecial Weather StatementTOPCloud, Ottawa, Washington29 min
Apr 14, 8:55 PM CDTSevere Thunderstorm WarningTOPClay, Cloud, Ottawa, Washington50 min
Apr 14, 9:12 PM CDTFlash Flood WarningTOPCloud, Ottawa2 hr
Apr 14, 9:46 PM CDTSpecial Weather StatementTOPClay, Dickinson, Marshall, Riley44 min
Apr 14, 10:21 PM CDTSpecial Weather StatementTOPBrown, Geary, Morris, Nemaha, Pottawatomie39 min
Apr 14, 10:26 PM CDTSevere Thunderstorm WarningTOPGeary, Riley34 min
Apr 14, 10:46 PM CDTSevere Thunderstorm WarningTOPGeary, Pottawatomie, Riley30 min
Apr 14, 11:09 PM CDTSpecial Weather StatementTOPMorris51 min
Apr 14, 11:11 PM CDTSpecial Weather StatementTOPBrown49 min
Apr 14, 11:19 PM CDTSpecial Weather StatementTOPPottawatomie41 min
Apr 14, 11:23 PM CDTSpecial Weather StatementTOPJefferson37 min
Apr 14, 11:51 PM CDTSpecial Weather StatementTOPBrown, Jackson, Jefferson, Shawnee54 min
Apr 15, 12:32 AM CDTSpecial Weather StatementTOPDouglas13 min
Apr 15, 12:43 AM CDTSpecial Weather StatementTOPDouglas, Jefferson47 min
Apr 15, 3:01 AM CDTSpecial Weather StatementTOPOsage44 min
Apr 15, 1:01 PM CDTSpecial Weather StatementTOPLyon29 min
Apr 15, 1:38 PM CDTSpecial Weather StatementTOPOsage37 min
Apr 15, 2:01 PM CDTSpecial Weather StatementTOPFranklin29 min
Apr 15, 2:10 PM CDTSpecial Weather StatementTOPAnderson, Coffey20 min
Apr 15, 2:17 PM CDTRed Flag WarningTOPClay, Cloud, Dickinson, Geary, Marshall, Morris and 5 more30 hr
Apr 15, 2:19 PM CDTSpecial Weather StatementTOPDouglas, Franklin26 min
Apr 15, 2:32 PM CDTSpecial Weather StatementTOPFranklin28 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2023Every severe thunderstorm warning in 2023

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.