Alert archive / Kansas / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 134, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at Apr 27, 2026, 1:35 AM CDT for 4 counties in Kansas. It was in force for 25 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 27, 2026, 1:35 AM CDT (06:35 UTC)
- Expired
- Apr 27, 2026, 2:00 AM CDT
- In force
- 25 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Hail
- 2.0 in
- Wind
- 60.0 mph
Counties Geary County, KS, Lyon County, KS, Morris County, KS, Wabaunsee County, KS
The radar
The Topeka radar (KTWX), 31 km from the middle of the area, began a volume at 06:37 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, 6.6 hours before the alert went out and 74 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
- 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
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, 2 hours 42 minutes earlier.
Area forecast discussion, Apr 26, 10:53 PM CDT, 2 hours 42 minutes before
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</html>Hazardous weather outlook, Apr 26, 5:12 PM CDT, 8 hours 23 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, 5 hours 50 minutes before
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</html>Local storm report, Apr 27, 12:28 AM CDT, 1 hour 7 minutes before
Preliminary Local Storm Report
National Weather Service Topeka KS
1228 AM CDT Mon Apr 27 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1210 AM Hail 3 W Herington 38.67N 97.00W
04/27/2026 E1.00 Inch Dickinson KS Trained Spotter
Also estimated wind gusts of 45 to 55 mph.
&&Local storm report, Apr 27, 12:49 AM CDT, 46 minutes before
Preliminary Local Storm Report
National Weather Service Topeka KS
1249 AM CDT Mon Apr 27 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1246 AM Hail Solomon 38.92N 97.37W
04/27/2026 E1.00 Inch Dickinson KS Fire Dept/Rescue
&&Local storm report, Apr 27, 12:50 AM CDT, 45 minutes before
Preliminary Local Storm Report
National Weather Service Topeka KS
1250 AM CDT Mon Apr 27 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1229 AM Hail 3 SW Oneida 39.84N 95.99W
04/27/2026 E0.75 Inch Nemaha KS Public
Report from mPING: Dime (0.75 in.).
&&Local storm report, Apr 27, 1:30 AM CDT, 5 minutes before
Preliminary Local Storm Report
National Weather Service Topeka KS
130 AM CDT Mon Apr 27 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0128 AM Hail 2 WSW Junction City 39.02N 96.86W
04/27/2026 E1.00 Inch Geary KS Emergency Mngr
&&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, 11:43 PM CDT | Severe Thunderstorm Warning | TOP | Dickinson, Morris | 32 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 | 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 | 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, 1:54 AM CDT | Severe Thunderstorm Warning | 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 | 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 | 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 | TOP | Jefferson | 18 min |
| Apr 27, 2:52 AM CDT | Severe Thunderstorm Warning | 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 | 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, 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.