Thunderstorms developed on the evening of the April 11th and continued into the overnight period, producing large hail across parts of northeast Kansas. The largest hail size reported was tennis ball hail in Pottawatomie County.

Hail in MORRIS, KANSAS
From 11-APR-20 17:54:00 to 11-APR-20 17:55:00 (CST-6)
Location: COUNCIL GROVE
Magnitude: 1.75 
Reported by: Law Enforcement

Golf ball sized hail covered the ground.

Hail in WABAUNSEE, KANSAS
From 11-APR-20 18:15:00 to 11-APR-20 18:16:00 (CST-6)
Location: CHALK MOUND
Magnitude: 1.75 
Reported by: Trained Spotter

Golf ball hail.

Hail in WABAUNSEE, KANSAS
From 11-APR-20 18:46:00 to 11-APR-20 18:47:00 (CST-6)
Location: KEENE
Magnitude: 1.50 
Reported by: Trained Spotter

Ping pong ball sized hail.

Hail in SHAWNEE, KANSAS
From 11-APR-20 18:47:00 to 11-APR-20 18:48:00 (CST-6)
Location: MENOKEN
Magnitude: 1.50 
Reported by: NWS Employee

Ping pong sized hail reported.

Hail in SHAWNEE, KANSAS
From 11-APR-20 18:48:00 to 11-APR-20 18:49:00 (CST-6)
Location: TOPEKA
Magnitude: 1.00 
Reported by: Public

Quarter sized hail reported.

Hail in SHAWNEE, KANSAS
From 11-APR-20 18:49:00 to 11-APR-20 18:50:00 (CST-6)
Location: MENOKEN
Magnitude: 1.50 
Reported by: Public

Ping pong sized hail reported.

Hail in SHAWNEE, KANSAS
From 11-APR-20 18:49:00 to 11-APR-20 18:50:00 (CST-6)
Location: MENOKEN
Magnitude: 1.75 
Reported by: NWS Employee

Most hail was half dollar size with a few golf ball sized as well.

Hail in SHAWNEE, KANSAS
From 11-APR-20 18:50:00 to 11-APR-20 18:51:00 (CST-6)
Location: MENOKEN
Magnitude: 1.00 
Reported by: Broadcast Media

Quarter sized hail reported at WIBW-TV.

Hail in SHAWNEE, KANSAS
From 11-APR-20 18:53:00 to 11-APR-20 18:54:00 (CST-6)
Location: PAULINE
Magnitude: 1.00 
Reported by: Public

Quarter sized hail reported.

Hail in SHAWNEE, KANSAS
From 11-APR-20 18:53:00 to 11-APR-20 18:54:00 (CST-6)
Location: TOPEKA
Magnitude: 1.75 
Reported by: Public

Public reported golf ball sized hail via Twitter.

Hail in SHAWNEE, KANSAS
From 11-APR-20 18:54:00 to 11-APR-20 18:55:00 (CST-6)
Location: PAULINE
Magnitude: 1.25 
Reported by: Public

Public report via mping.

Hail in SHAWNEE, KANSAS
From 11-APR-20 18:54:00 to 11-APR-20 18:55:00 (CST-6)
Location: MENOKEN
Magnitude: 1.00 
Reported by: NWS Employee

Reported at 33rd and Wanamaker.

Hail in SHAWNEE, KANSAS
From 11-APR-20 18:56:00 to 11-APR-20 18:57:00 (CST-6)
Location: MENOKEN
Magnitude: 1.50 
Reported by: NWS Employee

Ping pong sized hail reported.

Hail in SHAWNEE, KANSAS
From 11-APR-20 19:00:00 to 11-APR-20 19:01:00 (CST-6)
Location: (TOP)BILLARD ARPT TO
Magnitude: 1.50 
Reported by: Official NWS Observations

Reported at the NWS Topeka Billard Airport.

Hail in JEFFERSON, KANSAS
From 11-APR-20 19:04:00 to 11-APR-20 19:05:00 (CST-6)
Location: GRANTVILLE
Magnitude: 1.75 
Reported by: Emergency Manager

Golf ball sized hail reported.

Hail in JACKSON, KANSAS
From 11-APR-20 19:06:00 to 11-APR-20 19:07:00 (CST-6)
Location: HOLTON
Magnitude: 1.75 
Reported by: Fire Department/Rescue

Golf ball sized hail reported.

Hail in JACKSON, KANSAS
From 11-APR-20 19:06:00 to 11-APR-20 19:07:00 (CST-6)
Location: HOLTON
Magnitude: 1.75 
Reported by: Fire Department/Rescue

Golf ball sized hail reported.

Hail in JEFFERSON, KANSAS
From 11-APR-20 19:06:00 to 11-APR-20 19:07:00 (CST-6)
Location: MERIDEN
Magnitude: 1.75 
Reported by: Emergency Manager

Reported at K-4 and 54th St.

Hail in JEFFERSON, KANSAS
From 11-APR-20 19:06:00 to 11-APR-20 19:07:00 (CST-6)
Location: MERIDEN
Magnitude: 1.75 
Reported by: Emergency Manager

Reported at K-4 Highway and 62nd St.

Hail in SHAWNEE, KANSAS
From 11-APR-20 19:07:00 to 11-APR-20 19:08:00 (CST-6)
Location: TECUMSEH
Magnitude: 1.00 
Reported by: Public

Report received from mping.

Hail in JEFFERSON, KANSAS
From 11-APR-20 19:12:00 to 11-APR-20 19:13:00 (CST-6)
Location: MERIDEN
Magnitude: 1.50 
Reported by: Fire Department/Rescue

Reported at 66th and Clark Road.

Hail in SHAWNEE, KANSAS
From 11-APR-20 19:32:00 to 11-APR-20 19:33:00 (CST-6)
Location: WILLARD
Magnitude: 1.00 
Reported by: Trained Spotter

Quarter sized hail reported, along with 50 mph winds.

Hail in SHAWNEE, KANSAS
From 11-APR-20 19:35:00 to 11-APR-20 19:36:00 (CST-6)
Location: SILVER LAKE
Magnitude: 0.88 
Reported by: Trained Spotter

Nickel sized hail reported.

Hail in SHAWNEE, KANSAS
From 11-APR-20 19:37:00 to 11-APR-20 19:38:00 (CST-6)
Location: MENOKEN
Magnitude: 1.00 
Reported by: Broadcast Media

Quarter sized hail reported.

Hail in SHAWNEE, KANSAS
From 11-APR-20 19:37:00 to 11-APR-20 19:38:00 (CST-6)
Location: SILVER LAKE
Magnitude: 1.00 
Reported by: Trained Spotter

Quarter sized hail reported.

Hail in POTTAWATOMIE, KANSAS
From 11-APR-20 21:30:00 to 11-APR-20 21:31:00 (CST-6)
Location: BLAINE
Magnitude: 2.50 
Reported by: COOP Observer

Reports of golf ball and tennis ball sized hail that lasted for 20 minutes.

Hail in RILEY, KANSAS
From 11-APR-20 21:40:00 to 11-APR-20 21:41:00 (CST-6)
Location: RANDOLPH
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Ping pong sized hail reported.

Hail in RILEY, KANSAS
From 11-APR-20 21:41:00 to 11-APR-20 21:42:00 (CST-6)
Location: RANDOLPH
Magnitude: 1.00 
Reported by: Trained Spotter

Quarter sized hail reported.

Hail in RILEY, KANSAS
From 11-APR-20 21:44:00 to 11-APR-20 21:45:00 (CST-6)
Location: RANDOLPH
Magnitude: 1.50 
Reported by: Trained Spotter

Ping pong sized hail reported.

Hail in JACKSON, KANSAS
From 11-APR-20 22:14:00 to 11-APR-20 22:15:00 (CST-6)
Location: CIRCLEVILLE
Magnitude: 0.88 
Reported by: Trained Spotter

Nickel sized hail reported.

Hail in POTTAWATOMIE, KANSAS
From 11-APR-20 22:21:00 to 11-APR-20 22:22:00 (CST-6)
Location: OLSBURG
Magnitude: 1.00 
Reported by: Trained Spotter

Quarter sized hail reported covering the ground.

Hail in JACKSON, KANSAS
From 11-APR-20 22:23:00 to 11-APR-20 22:24:00 (CST-6)
Location: CIRCLEVILLE
Magnitude: 1.25 
Reported by: Storm Chaser

Half dollar sized hail reported.

Hail in POTTAWATOMIE, KANSAS
From 11-APR-20 22:35:00 to 11-APR-20 22:36:00 (CST-6)
Location: FOSTORIA
Magnitude: 1.00 
Reported by: Trained Spotter

Mainly nickel sized hail with some quarters reported as well.

Flash Flood in JACKSON, KANSAS
From 11-APR-20 22:52:00 to 12-APR-20 01:00:00 (CST-6)
Location: HOLTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Widespread flash flooding, with multiple streets under water. Up to 8 inches deep in spots. Photos via social media.