Alert archive / Kansas / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 21, NWS Topeka, KS

April 9, 2026Ottawa County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Apr 9, 2026, 7:51 PM CDT for Ottawa County, Kansas. It was in force for 54 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 9, 2026, 7:51 PM CDT (00:51 UTC)
Expired
Apr 9, 2026, 8:45 PM CDT
In force
54 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Damage threat
Considerable
Hail
2.0 in
Wind
60.0 mph

County Ottawa County, KS

The radar

The Topeka radar (KTWX), 137 km from the middle of the area, began a volume at 00:50 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.

IssuedProductOfficeLasted
Apr 9, 5:11 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 0.9 hours before the alert went out and 188 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 2026-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 249 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 2026-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 121 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
249 J/kg
Mixed-layer CIN
-120 J/kg
Mixed-layer LCL
2042 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
121 m²/s²
0-3 km storm-relative helicity
326 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

394 
WUUS53 KTOP 100051
SVRTOP
KSC143-100145-
/O.NEW.KTOP.SV.W.0021.260410T0051Z-260410T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
751 PM CDT Thu Apr 9 2026

The National Weather Service in Topeka has issued a

* Severe Thunderstorm Warning for...
  Southwestern Ottawa County in north central Kansas...

* Until 845 PM CDT.

* At 751 PM CDT, a severe thunderstorm was located near Lincoln,
  moving southeast at 20 mph.

  HAZARD...Two inch hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees.

* Locations impacted include...
  Minneapolis, Tescott, Culver, and Ada.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3921 9793 3918 9764 3896 9764 3896 9793
TIME...MOT...LOC 0051Z 300DEG 18KT 3909 9811 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Jones
4 follow-up statements
412 
WWUS53 KTOP 100109
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
809 PM CDT Thu Apr 9 2026

KSC143-100145-
/O.CON.KTOP.SV.W.0021.000000T0000Z-260410T0145Z/
Ottawa-
809 PM CDT Thu Apr 9 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR SOUTHWESTERN OTTAWA COUNTY...

At 808 PM CDT, a severe thunderstorm was located near Beverly, moving
southeast at 20 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Minneapolis, Tescott, Culver, and Ada.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3915 9793 3917 9764 3896 9764 3896 9793
TIME...MOT...LOC 0108Z 300DEG 18KT 3905 9801 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Jones
786 
WWUS53 KTOP 100117
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
817 PM CDT Thu Apr 9 2026

KSC143-100145-
/O.CON.KTOP.SV.W.0021.000000T0000Z-260410T0145Z/
Ottawa-
817 PM CDT Thu Apr 9 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR SOUTHWESTERN OTTAWA COUNTY...

At 816 PM CDT, a severe thunderstorm was located over Beverly, moving
southeast at 25 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Minneapolis, Tescott, and Culver.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3915 9793 3914 9764 3896 9764 3896 9793
TIME...MOT...LOC 0116Z 301DEG 20KT 3902 9795 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Jones
989 
WWUS53 KTOP 100134
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
834 PM CDT Thu Apr 9 2026

KSC143-100145-
/O.CON.KTOP.SV.W.0021.000000T0000Z-260410T0145Z/
Ottawa-
834 PM CDT Thu Apr 9 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR SOUTHWESTERN OTTAWA COUNTY...

At 834 PM CDT, a severe thunderstorm was located near Culver, moving
southeast at 25 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Culver.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3902 9785 3904 9764 3896 9764 3896 9791
TIME...MOT...LOC 0134Z 297DEG 21KT 3897 9781 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Jones
112 
WWUS53 KTOP 100144
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
844 PM CDT Thu Apr 9 2026

KSC143-100154-
/O.EXP.KTOP.SV.W.0021.000000T0000Z-260410T0145Z/
Ottawa-
844 PM CDT Thu Apr 9 2026

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN OTTAWA COUNTY
WILL EXPIRE AT 845 PM CDT...

The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
north central Kansas.

&&

LAT...LON 3902 9785 3904 9764 3896 9764 3896 9791
TIME...MOT...LOC 0144Z 300DEG 18KT 3895 9776 

$$

Jones

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 7:08 PM CDTSevere Thunderstorm WarningTOPCloud, Republic, Washington37 min
Apr 9, 7:24 PM CDTSevere Thunderstorm Warning Considerable damage threatTOPClay, Cloud, Republic, Washington51 min
Apr 9, 7:27 PM CDTSevere Thunderstorm Warning Considerable damage threatTOPMarshall, Washington48 min
Apr 9, 7:58 PM CDTSevere Thunderstorm Warning Considerable damage threatTOPClay, Pottawatomie, Riley, Washington47 min
Apr 9, 8:00 PM CDTAreal Flood AdvisoryTOPWashington3 hr
Apr 9, 8:16 PM CDTSevere Thunderstorm WarningTOPMarshall, Pottawatomie, Riley, Washington44 min
Apr 9, 8:38 PM CDTSevere Thunderstorm WarningTOPPottawatomie, Riley37 min
Apr 9, 8:48 PM CDTSevere Thunderstorm WarningTOPMarshall, Nemaha, Pottawatomie27 min
Apr 9, 9:12 PM CDTSevere Thunderstorm WarningTOPJackson, Pottawatomie33 min
Apr 9, 9:13 PM CDTSevere Thunderstorm WarningTOPJackson, Nemaha35 min
Apr 9, 9:41 PM CDTSpecial Weather StatementTOPJackson34 min
Apr 9, 10:01 PM CDTSpecial Weather StatementTOPJefferson44 min
Apr 9, 11:50 PM CDTAreal Flood AdvisoryTOPWashington3 hr
Apr 10, 1:22 AM CDTAreal Flood AdvisoryTOPBrown, Jackson, Marshall, Nemaha, Pottawatomie3 hr
Apr 10, 6:05 AM CDTRiver Flood WarningTOPMarshall7 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.