Alert archive / Kansas / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 121, NWS Topeka, KS

April 26, 2026Dickinson County, Morris County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Apr 26, 2026, 11:43 PM CDT for Dickinson County, Morris County, Kansas. It was in force for 32 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 26, 2026, 11:43 PM CDT (04:43 UTC)
Expired: Apr 27, 2026, 12:15 AM CDT
In force: 32 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Damage threat: Considerable
Hail: 2.0 in
Wind: 60.0 mph

Counties Dickinson County, KS, Morris County, KS

The radar

The Topeka radar (KTWX), 63 km from the middle of the area, began a volume at 04:46 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.

Issued	Product	Office	Lasted
Apr 26, 9:11 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 4.7 hours before the alert went out and 112 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 99 J/kg
Mixed-layer CIN: -92 J/kg
Mixed-layer LCL: 644 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 236 m²/s²
0-3 km storm-relative helicity: 443 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.4

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 Apr 26, 10:53 PM CDT, 50 minutes earlier.

Area forecast discussion, Apr 26, 10:53 PM CDT, 50 minutes before

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Hazardous weather outlook, Apr 26, 5:12 PM CDT, 6 hours 31 minutes before

Hazardous Weather Outlook
National Weather Service Topeka KS
512 PM CDT Sun Apr 26 2026

KSZ010>012-023-024-026-039-040-272215-
Marshall-Nemaha-Brown-Pottawatomie-Jackson-Jefferson-Shawnee-Douglas-
512 PM CDT Sun Apr 26 2026

...FLOOD WATCH IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH MONDAY
AFTERNOON...

This Hazardous Weather Outlook is for east central Kansas and
northeast Kansas.

.DAY ONE...Tonight.

Flood watch through 12 PM Monday. Thunderstorms will redevelop and
some will be severe with the primary hazard being large hail,
isolated damaging wind gusts, and heavy rainfall.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Flood watch through 12 PM Monday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

&&

.SPOTTER MESSAGE

Weather spotters are encouraged to relay reports of hail, damaging
wind, tornadoes and flooding.

&&

More detailed information can be found at:
www.weather.gov/media/top/DssPacket.pdf

KSZ008-009-020>022-034>038-054>056-058-059-272215-
Republic-Washington-Cloud-Clay-Riley-Ottawa-Dickinson-Geary-Morris-
Wabaunsee-Lyon-Osage-Franklin-Coffey-Anderson-
512 PM CDT Sun Apr 26 2026

This Hazardous Weather Outlook is for central Kansas, east central
Kansas, north central Kansas and northeast Kansas.

.DAY ONE...Tonight.

Thunderstorms will redevelop late Tonight. Some of the storms will
be severe with the primary hazard being large hail and isolated
damaging wind gusts.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

The probability for widespread hazardous weather is low.

.SPOTTER MESSAGE

Weather spotters are encouraged to relay reports of hail, damaging
wind, tornadoes and flooding.

&&

More detailed information can be found at:
www.weather.gov/media/top/DssPacket.pdf

In the hours before

Special weather statement, Apr 26, 7:45 PM CDT, 3 hours 58 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 26, 7:45 PM CDT	Special Weather Statement	TOP	Anderson	30 min
Apr 26, 11:47 PM CDT	Severe Thunderstorm Warning	TOP	Clay, Pottawatomie, Riley	28 min
Apr 26, 11:53 PM CDT	Severe Thunderstorm Warning	TOP	Geary, Morris, Wabaunsee	37 min
Apr 27, 12:14 AM CDT	Severe Thunderstorm Warning	TOP	Dickinson, Geary, Lyon, Morris	31 min
Apr 27, 12:27 AM CDT	Severe Thunderstorm Warning	TOP	Geary, Pottawatomie, Riley, Shawnee, Wabaunsee	33 min
Apr 27, 12:37 AM CDT	Severe Thunderstorm Warning Considerable damage threat	TOP	Dickinson	23 min
Apr 27, 12:46 AM CDT	Severe Thunderstorm Warning	TOP	Dickinson, Geary, Morris	29 min
Apr 27, 12:49 AM CDT	Severe Thunderstorm Warning	TOP	Clay, Dickinson, Ottawa	26 min
Apr 27, 12:54 AM CDT	Severe Thunderstorm Warning	TOP	Dickinson, Geary, Morris	36 min
Apr 27, 12:55 AM CDT	Severe Thunderstorm Warning	TOP	Jackson, Pottawatomie, Shawnee	22 min
Apr 27, 1:10 AM CDT	Severe Thunderstorm Warning Considerable damage threat	TOP	Geary, Lyon, Morris, Wabaunsee	35 min
Apr 27, 1:14 AM CDT	Severe Thunderstorm Warning	TOP	Clay, Dickinson, Ottawa	31 min
Apr 27, 1:24 AM CDT	Severe Thunderstorm Warning	TOP	Dickinson, Geary, Morris, Riley, Wabaunsee	36 min
Apr 27, 1:35 AM CDT	Severe Thunderstorm Warning Considerable damage threat	TOP	Geary, Lyon, Morris, Wabaunsee	25 min
Apr 27, 1:54 AM CDT	Severe Thunderstorm Warning Considerable damage threat	TOP	Pottawatomie, Wabaunsee	36 min
Apr 27, 1:58 AM CDT	Severe Thunderstorm Warning	TOP	Geary, Morris, Pottawatomie, Riley, Wabaunsee	15 min
Apr 27, 1:58 AM CDT	Severe Thunderstorm Warning	TOP	Cloud, Ottawa	47 min
Apr 27, 2:09 AM CDT	Severe Thunderstorm Warning Considerable damage threat	TOP	Douglas, Jackson, Jefferson, Osage, Pottawatomie, Shawnee and 1 more	51 min
Apr 27, 2:14 AM CDT	Severe Thunderstorm Warning	TOP	Geary, Pottawatomie, Riley	31 min
Apr 27, 2:20 AM CDT	Flash Flood Warning	TOP	Dickinson, Geary, Morris, Pottawatomie, Riley, Wabaunsee	4 hr
Apr 27, 2:26 AM CDT	Severe Thunderstorm Warning Considerable damage threat	TOP	Wabaunsee	34 min
Apr 27, 2:39 AM CDT	Severe Thunderstorm Warning	TOP	Geary, Riley, Wabaunsee	36 min
Apr 27, 2:42 AM CDT	Severe Thunderstorm Warning Considerable damage threat	TOP	Jefferson	18 min
Apr 27, 2:52 AM CDT	Severe Thunderstorm Warning Considerable damage threat	TOP	Douglas, Jackson, Jefferson, Osage, Shawnee, Wabaunsee	38 min
Apr 27, 3:02 AM CDT	Severe Thunderstorm Warning	TOP	Dickinson	28 min
Apr 27, 3:25 AM CDT	Severe Thunderstorm Warning Considerable damage threat	TOP	Douglas, Jefferson, Shawnee	35 min
Apr 27, 3:29 AM CDT	Severe Thunderstorm Warning	TOP	Morris, Wabaunsee	31 min
Apr 27, 3:49 AM CDT	Severe Thunderstorm Warning	TOP	Geary, Riley, Wabaunsee	26 min
Apr 27, 3:49 AM CDT	Severe Thunderstorm Warning	TOP	Lyon, Morris, Osage, Wabaunsee	26 min
Apr 27, 4:00 AM CDT	Severe Thunderstorm Warning	TOP	Douglas, Jefferson	30 min
Apr 27, 4:05 AM CDT	Severe Thunderstorm Warning	TOP	Lyon, Osage, Shawnee, Wabaunsee	40 min
Apr 27, 4:11 AM CDT	Flash Flood Warning	TOP	Wabaunsee	2 hr
Apr 27, 4:29 AM CDT	Flash Flood Warning	TOP	Douglas, Jackson, Jefferson, Shawnee	2 hr
Apr 27, 4:33 AM CDT	Severe Thunderstorm Warning	TOP	Douglas, Jefferson	42 min
Apr 27, 4:53 AM CDT	River Flood Warning	TOP	Shawnee	4 hr
Apr 27, 5:02 AM CDT	River Flood Warning	TOP	Wabaunsee	22 hr
Apr 27, 5:12 AM CDT	Severe Thunderstorm Warning	TOP	Douglas	18 min
Apr 27, 6:38 AM CDT	Areal Flood Warning	TOP	Wabaunsee	11 hr
Apr 27, 6:38 AM CDT	Areal Flood Warning	TOP	Dickinson, Geary, Morris, Pottawatomie, Riley, Wabaunsee	11 hr
Apr 27, 6:38 AM CDT	Areal Flood Warning	TOP	Douglas, Jackson, Jefferson, Shawnee	5 hr
Apr 27, 7:11 AM CDT	River Flood Warning	TOP	Lyon, Osage	18 hr
Apr 27, 7:35 AM CDT	River Flood Warning	TOP	Osage	9 hr
Apr 27, 8:17 AM CDT	River Flood Warning	TOP	Shawnee	11 hr

Nearby

Severe Thunderstorm Warnings in Kansas, 2026 Every 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.