Alert archive / Kansas / Tornado Warnings in 2026
Tornado Warning 2, NWS Topeka, KS
NWS Topeka, KS issued this tornado warning at Apr 13, 2026, 6:46 PM CDT for Lyon County, Kansas. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 13, 2026, 6:46 PM CDT (23:46 UTC)
- Expired
- Apr 13, 2026, 7:15 PM CDT
- In force
- 29 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Lyon County, KS
The radar
The Topeka radar (KTWX), 41 km from the middle of the area, began a volume at 23:51 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 13, 6:33 PM CDT | Tornado Watch | SPC | 4 hr |
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 11.8 hours before the alert went out and 59 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
- 1257 J/kg
- Mixed-layer CIN
- -253 J/kg
- Mixed-layer LCL
- 833 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 380 m²/s²
- 0-3 km storm-relative helicity
- 330 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
The text
As transmitted.
816
WFUS53 KTOP 132346
TORTOP
KSC111-140015-
/O.NEW.KTOP.TO.W.0002.260413T2346Z-260414T0015Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Topeka KS
646 PM CDT Mon Apr 13 2026
The National Weather Service in Topeka has issued a
* Tornado Warning for...
Northern Lyon County in east central Kansas...
* Until 715 PM CDT.
* At 646 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Bushong, moving northeast at 30 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* Locations impacted include...
Allen, Admire, and Bushong.
This includes Kansas Turnpike between mile markers 140 and 154.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3857 9626 3864 9629 3874 9612 3874 9595
3855 9595
TIME...MOT...LOC 2346Z 240DEG 27KT 3862 9622
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Flanagan3 follow-up statements
366
WWUS53 KTOP 140003
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
703 PM CDT Mon Apr 13 2026
KSC111-140015-
/O.CON.KTOP.TO.W.0002.000000T0000Z-260414T0015Z/
Lyon-
703 PM CDT Mon Apr 13 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR
NORTHEASTERN LYON COUNTY...
At 703 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Admire, moving northeast at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Allen and Admire.
This includes Kansas Turnpike between mile markers 140 and 154.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3856 9611 3870 9619 3874 9612 3874 9595
3855 9595
TIME...MOT...LOC 0003Z 243DEG 33KT 3868 9605
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Flanagan003
WWUS53 KTOP 140009
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
709 PM CDT Mon Apr 13 2026
KSC111-140015-
/O.CON.KTOP.TO.W.0002.000000T0000Z-260414T0015Z/
Lyon-
709 PM CDT Mon Apr 13 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR
NORTHEASTERN LYON COUNTY...
At 709 PM CDT, a severe thunderstorm capable of producing a tornado
was located 5 miles south of Harveyville, moving northeast at 30 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
northeastern Lyon County.
This includes Kansas Turnpike between mile markers 146 and 154.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3858 9601 3874 9611 3874 9595 3859 9595
TIME...MOT...LOC 0009Z 240DEG 28KT 3870 9597
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Flanagan355 WWUS53 KTOP 140014 SVSTOP Severe Weather Statement National Weather Service Topeka KS 714 PM CDT Mon Apr 13 2026 KSC111-140024- /O.EXP.KTOP.TO.W.0002.000000T0000Z-260414T0015Z/ Lyon- 714 PM CDT Mon Apr 13 2026 ...THE TORNADO WARNING FOR NORTHEASTERN LYON COUNTY WILL EXPIRE AT 715 PM CDT... The storm which prompted the warning has moved out of the area. Therefore, the warning will be allowed to expire. A Tornado Watch remains in effect until 1100 PM CDT for east central Kansas. && LAT...LON 3858 9601 3874 9611 3874 9595 3859 9595 TIME...MOT...LOC 0014Z 240DEG 27KT 3871 9594 $$ Flanagan
The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 1:48 AM CDT | Red Flag Warning | TOP | Cloud, Ottawa, Republic | 19 hr |
| Apr 13, 4:53 PM CDT | Special Weather Statement | TOP | Morris | 37 min |
| Apr 13, 5:07 PM CDT | Severe Thunderstorm Warning | TOP | Lyon | 53 min |
| Apr 13, 5:47 PM CDT | Special Weather Statement | TOP | Wabaunsee | 28 min |
| Apr 13, 5:57 PM CDT | Severe Thunderstorm Warning | TOP | Lyon, Osage | 63 min |
| Apr 13, 6:23 PM CDT | Severe Thunderstorm Warning | TOP | Lyon, Morris, Wabaunsee | 37 min |
| Apr 13, 6:38 PM CDT | Tornado Warning | TOP | Osage | 37 min |
| Apr 13, 6:51 PM CDT | Severe Thunderstorm Warning | TOP | Douglas, Franklin, Osage | 54 min |
| Apr 13, 6:56 PM CDT | Severe Thunderstorm Warning | TOP | Lyon, Osage, Wabaunsee | 35 min |
| Apr 13, 6:58 PM CDT | Tornado Warning | TOP | Franklin, Osage | 32 min |
Nearby
Tornado Warnings in Kansas, 2026Every tornado warning in 2026Tornadoes 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.