Alert archive / Kansas / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 174, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at May 17, 2026, 5:49 PM CDT for Republic County, Kansas. It was in force for 41 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
- May 17, 2026, 5:49 PM CDT (22:49 UTC)
- Expired
- May 17, 2026, 6:30 PM CDT
- In force
- 41 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
County Republic County, KS
The radar
The Grand Island radar (KUEX), 87 km from the middle of the area, began a volume at 22:52 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 |
|---|---|---|---|
| May 17, 3:16 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 10.8 hours before the alert went out and 196 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
- 343 J/kg
- Mixed-layer CIN
- -358 J/kg
- Mixed-layer LCL
- 860 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 286 m²/s²
- 0-3 km storm-relative helicity
- 460 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.9
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 May 17, 3:30 PM CDT, 2 hours 19 minutes earlier.
Area forecast discussion, May 17, 3:30 PM CDT, 2 hours 19 minutes before
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</html>Hazardous weather outlook, May 17, 3:26 PM CDT, 2 hours 23 minutes before
Hazardous Weather Outlook National Weather Service Topeka KS 326 PM CDT Sun May 17 2026 KSZ008>012-020>024-026-034>040-054>056-058-059-182030- Republic-Washington-Marshall-Nemaha-Brown-Cloud-Clay-Riley- Pottawatomie-Jackson-Jefferson-Ottawa-Dickinson-Geary-Morris- Wabaunsee-Shawnee-Douglas-Lyon-Osage-Franklin-Coffey-Anderson- 326 PM CDT Sun May 17 2026 This Hazardous Weather Outlook is for portions of central Kansas, east central Kansas, north central Kansas, and northeast Kansas. .DAY ONE...This Afternoon and Tonight Gusty south winds from 20 to 30 mph with gusts up to 45 mph through early evening. Scattered severe storms are possible after 5 PM across north central Kansas. These storms may form into a line as they move east southeast this evening. Very large hail, damaging wind gusts, and a few tornadoes are the main hazards. Localized flooding is also a concern if storms train over areas that received heavy rain the previous evening. A Flood Watch remains in effect from 7 PM this evening through 7 AM Tuesday morning for areas along and north of I-70. Widespread rainfall totals of 2-4 inches are expected with locally higher amounts could lead to flooding. .DAYS TWO THROUGH SEVEN...Monday through Saturday Gusty south winds return across the Flint Hills Monday morning and afternoon with sustained winds of 20-30 mph and gusts upwards of 45 mph into the early evening. A Wind Advisory remains in effect for Dickinson, Morris, Lyon, Geary and Wabaunsee counties from 9 AM to 9 PM Monday. The greatest chance for severe weather is still shaping up to be Monday afternoon and Monday night. There is good confidence in storms developing over north central KS by the early evening and move across all of northeast and east-central Kansas through the night. Storms will be capable of producing tornadoes, very large hail, damaging winds and flash flooding. People should be prepared for thunderstorms impacting the area. A Flood Watch remains in effect from 7 PM this evening through 7 AM Tuesday morning for areas along and north of I-70. Widespread rainfall totals of 2-4 inches are expected with locally higher amounts could lead to flooding. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed.
The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 7:35 PM CDT | Severe Thunderstorm Warning | TOP | Cloud, Republic, Washington | 25 min |
| May 16, 7:55 PM CDT | Severe Thunderstorm Warning | TOP | Republic, Washington | 35 min |
| May 16, 8:20 PM CDT | Severe Thunderstorm Warning | TOP | Republic | 40 min |
| May 16, 8:22 PM CDT | Tornado Warning | TOP | Republic, Washington | 38 min |
| May 16, 8:28 PM CDT | Severe Thunderstorm Warning | TOP | Republic, Washington | 47 min |
| May 16, 8:40 PM CDT | Severe Thunderstorm Warning | TOP | Republic | 35 min |
| May 16, 8:58 PM CDT | Severe Thunderstorm Warning | TOP | Republic, Washington | 47 min |
| May 16, 9:06 PM CDT | Areal Flood Advisory | TOP | Republic, Washington | 5 hr |
| May 16, 9:07 PM CDT | Severe Thunderstorm Warning | TOP | Republic | 18 min |
| May 16, 9:09 PM CDT | Tornado Warning | TOP | Washington | 18 min |
| May 16, 9:15 PM CDT | Severe Thunderstorm Warning | TOP | Washington | 45 min |
| May 16, 10:46 PM CDT | Severe Thunderstorm Warning | TOP | Cloud, Republic | 44 min |
| May 16, 11:20 PM CDT | Severe Thunderstorm Warning | TOP | Clay, Cloud, Republic, Washington | 40 min |
| May 16, 11:45 PM CDT | Severe Thunderstorm Warning | TOP | Marshall, Washington | 45 min |
| May 16, 11:53 PM CDT | Severe Thunderstorm Warning | TOP | Clay, Cloud, Dickinson, Geary, Ottawa, Pottawatomie and 1 more | 37 min |
| May 17, 12:16 AM CDT | Severe Thunderstorm Warning | TOP | Marshall, Nemaha | 44 min |
| May 17, 12:26 AM CDT | Tornado Warning | TOP | Marshall, Nemaha | 19 min |
| May 17, 12:31 AM CDT | Severe Thunderstorm Warning | TOP | Clay, Geary, Marshall, Pottawatomie, Riley, Washington | 29 min |
| May 17, 12:47 AM CDT | Severe Thunderstorm Warning | TOP | Brown, Nemaha | 43 min |
| May 17, 1:16 AM CDT | Special Weather Statement | TOP | Jackson | 29 min |
| May 17, 1:25 AM CDT | Severe Thunderstorm Warning | TOP | Brown | 35 min |
| May 17, 12:06 PM CDT | Flood Watch | TOP | Anderson, Brown, Clay, Cloud, Coffey, Dickinson and 17 more | 38 hr |
| May 17, 12:06 PM CDT | Wind Advisory | TOP | Dickinson, Geary, Lyon, Morris, Wabaunsee | 33 hr |
| May 17, 6:23 PM CDT | Severe Thunderstorm Warning | TOP | Cloud, Republic | 30 min |
| May 17, 6:50 PM CDT | Severe Thunderstorm Warning | TOP | Cloud, Republic | 17 min |
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.