Alert archive / Kansas / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 406, NWS Kansas City, MO

June 20, 2026Doniphan County, Kansas

NWS Kansas City, MO issued this severe thunderstorm warning at Jun 20, 2026, 11:08 PM CDT for Doniphan County, Kansas. It was in force for 37 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
Jun 20, 2026, 11:08 PM CDT (04:08 UTC)
Expired
Jun 20, 2026, 11:45 PM CDT
In force
37 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Doniphan County, KS

The radar

The Topeka radar (KTWX), 128 km from the middle of the area, began a volume at 04:07 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.

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 4.1 hours before the alert went out and 97 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 2026-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 516 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 2026-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
516 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
1348 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
159 m²/s²
Significant tornado parameter
0.3
Supercell composite
4.9

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 Kansas City, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 20, 6:34 PM CDT, 4 hours 34 minutes earlier.

Area forecast discussion, Jun 20, 6:34 PM CDT, 4 hours 34 minutes before
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Hazardous weather outlook, Jun 20, 5:04 AM CDT, 18 hours 4 minutes before
Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
0504 AM CDT Sat Jun 20 2026

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-211004-
Atchison KS-Miami-Linn KS-Doniphan-Leavenworth-Wyandotte-Johnson KS-
Atchison MO-Nodaway-Worth-Gentry-Harrison-Mercer-Putnam-Schuyler-
Holt-Andrew-De Kalb-Daviess-Grundy-Sullivan-Adair-Buchanan-Clinton-
Caldwell-Livingston-Linn MO-Macon-Platte-Clay-Ray-Carroll-Chariton-
Randolph-Jackson-Lafayette-Saline-Howard-Cass-Johnson MO-Pettis-
Cooper-Bates-Henry-
0504 AM CDT Sat Jun 20 2026

This hazardous weather outlook is for northwest...north central and
west central Missouri...as well as extreme eastern Kansas.

.DAY ONE...Through tonight.

Please go to https://weather.gov/media/eax/DssPacket.pdf for more information on
potential weather hazards.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Please go to https://weather.gov/media/eax/DssPacket.pdf for more information on
potential weather hazards.

.KEY MESSAGES...

- Lingering light rains and isolated rumbles of thunder this morning

- Severe storms possible late tonight through Sunday. Heavy rain
  with flood potential is forecast. A Flood Watch is in effect.

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 20, 7:59 PM CDTRiver Flood WarningEAXCass, Henry, Johnson20 hr
Jun 20, 8:29 PM CDTRiver Flood WarningEAXCooper, Saline14 hr
Jun 20, 8:37 PM CDTRiver Flood WarningEAXCarroll, Chariton, Linn, Livingston36 hr
Jun 20, 8:54 PM CDTRiver Flood WarningEAXCooper17 hr
Jun 21, 2:26 AM CDTAreal Flood AdvisoryEAXAndrew, Holt5 hr
Jun 21, 2:57 AM CDTSpecial Weather StatementEAXBuchanan48 min
Jun 21, 3:13 AM CDTAreal Flood AdvisoryEAXAndrew, Buchanan, Platte5 hr
Jun 21, 3:26 AM CDTAreal Flood AdvisoryEAXPlatte3 hr
Jun 21, 3:40 AM CDTSpecial Weather StatementEAXDeKalb50 min
Jun 21, 4:23 AM CDTAreal Flood AdvisoryEAXClay, Clinton, Platte3 hr
Jun 21, 4:42 AM CDTFlash Flood WarningEAXClay, Platte4 hr
Jun 21, 4:47 AM CDTAreal Flood AdvisoryEAXAndrew, Buchanan, Caldwell, Clinton, Daviess, DeKalb3 hr
Jun 21, 4:49 AM CDTSpecial Weather StatementEAXBates, Cass41 min
Jun 21, 5:09 AM CDTSevere Thunderstorm WarningEAXBates, Cass, Henry, Johnson36 min
Jun 21, 5:22 AM CDTAreal Flood AdvisoryEAXCass, Jackson3 hr
Jun 21, 5:37 AM CDTSpecial Weather StatementEAXHenry, Johnson38 min
Jun 21, 6:11 AM CDTAreal Flood AdvisoryEAXCaldwell, Carroll, Chariton, Daviess, DeKalb, Grundy and 3 more3 hr
Jun 21, 6:12 AM CDTSpecial Weather StatementEAXPettis, Saline48 min
Jun 21, 6:16 AM CDTSpecial Weather StatementEAXCarroll44 min
Jun 21, 6:51 AM CDTSpecial Weather StatementEAXCooper, Howard39 min
Jun 21, 6:53 AM CDTSpecial Weather StatementEAXChariton, Linn52 min
Jun 21, 7:22 AM CDTSpecial Weather StatementEAXRandolph38 min
Jun 21, 7:30 AM CDTSpecial Weather StatementEAXMacon45 min
Jun 21, 9:51 AM CDTRiver Flood WarningEAXJackson, Lafayette, Ray12 hr
Jun 21, 9:51 AM CDTRiver Flood WarningEAXCarroll, Lafayette, Saline12 hr
Jun 21, 9:51 AM CDTRiver Flood WarningEAXCarroll, Chariton, Saline12 hr
Jun 21, 1:03 AM CDTSpecial Weather StatementEAXAtchison42 min
Jun 21, 2:03 AM CDTAreal Flood AdvisoryEAXAtchison5 hr
Jun 21, 2:09 AM CDTSpecial Weather StatementEAXDoniphan51 min
Jun 21, 3:01 AM CDTSpecial Weather StatementEAXLeavenworth44 min
Jun 21, 3:56 AM CDTSpecial Weather StatementEAXLeavenworth49 min
Jun 21, 4:45 AM CDTSpecial Weather StatementEAXWyandotte45 min
Jun 21, 9:42 AM CDTRiver Flood WarningEAXAtchison39 hr
Jun 21, 9:42 AM CDTRiver Flood WarningEAXLeavenworth41 hr
Jun 21, 9:42 AM CDTRiver Flood WarningEAXAtchison, Leavenworth48 hr

Nearby

Severe Thunderstorm Warnings in Kansas, 2026Every severe thunderstorm warning in 2026

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.