Severe thunderstorms developed between 3 and 4pm on April 26th along an old outflow boundary and moved north northeast across northeast Kansas.  The storms produced at least 2 brief weak tornadoes before 6pm however the storms thereafter become more widespread and continued to move across the same areas producing torrential flooding rains.  Some areas received between 5 and 6 inches of rainfall from the storms over a 6-7 hour period. In fact, the recurrence interval of the rainfall was 50-75 years across eastern Wabaunsee and western Shawnee County from this event.

Hail in MARSHALL, KANSAS
From 26-APR-16 15:36:00 to 26-APR-16 15:37:00 (CST-6)
Location: WATERVILLE
Magnitude: 2.50 
Reported by: Trained Spotter

Hail in COFFEY, KANSAS
From 26-APR-16 19:55:00 to 26-APR-16 19:56:00 (CST-6)
Location: BURLINGTON ARPT
Magnitude: 1.00 
Reported by: Emergency Manager

Hail in COFFEY, KANSAS
From 26-APR-16 20:11:00 to 26-APR-16 20:12:00 (CST-6)
Location: WAVERLY
Magnitude: 1.00 
Reported by: Storm Chaser

Quarter size hail and winds to around 60 mph estimated on Interstate-35.

Hail in FRANKLIN, KANSAS
From 26-APR-16 20:47:00 to 26-APR-16 20:48:00 (CST-6)
Location: OTTAWA
Magnitude: 1.00 
Reported by: Public

Hail in FRANKLIN, KANSAS
From 26-APR-16 20:48:00 to 26-APR-16 20:49:00 (CST-6)
Location: OTTAWA
Magnitude: 1.50 
Reported by: Storm Chaser

Thunderstorm Wind in FRANKLIN, KANSAS
From 26-APR-16 20:35:00 to 26-APR-16 20:36:00 (CST-6)
Location: OTTAWA MUNI ARPT
Magnitude: 65.00 MG
Reported by: AWOS

Thunderstorm Wind in FRANKLIN, KANSAS
From 26-APR-16 20:45:00 to 26-APR-16 20:46:00 (CST-6)
Location: RANTOUL ARPT
Magnitude: 61.00 EG
Reported by: Trained Spotter

Four inch diameter limb snapped.

Hail in MARSHALL, KANSAS
From 26-APR-16 15:36:00 to 26-APR-16 15:37:00 (CST-6)
Location: WATERVILLE
Magnitude: 3.00 
Reported by: Public

Photo evidence of hail at least 3 inches in diameter.

Thunderstorm Wind in COFFEY, KANSAS
From 26-APR-16 19:58:00 to 26-APR-16 19:59:00 (CST-6)
Location: SHARPE
Magnitude: 53.00 MG
Reported by: AWOS

Tornado in GEARY, KANSAS
From 26-APR-16 14:47:00 to 26-APR-16 14:47:00 (CST-6)
Location: (FRI)MARSHALL AAF FT
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Storm chaser reported a distinct funnel cloud and had photos of the funnel.  A brief ground circulation was reported by another storm chaser in the vicinity in the middle of open field.

Hail in WASHINGTON, KANSAS
From 26-APR-16 02:37:00 to 26-APR-16 02:38:00 (CST-6)
Location: BRANTFORD
Magnitude: 2.00 
Reported by: Trained Spotter

Hail in MARSHALL, KANSAS
From 26-APR-16 16:00:00 to 26-APR-16 16:01:00 (CST-6)
Location: BREMEN
Magnitude: 4.00 
Reported by: Emergency Manager

Thunderstorm Wind in OTTAWA, KANSAS
From 26-APR-16 20:34:00 to 26-APR-16 20:35:00 (CST-6)
Location: VINE CREEK
Magnitude: 56.00 EG
Reported by: Storm Chaser

Estimated wind gust.

Flood in SHAWNEE, KANSAS
From 27-APR-16 00:53:00 to 27-APR-16 02:30:00 (CST-6)
Location: DOVER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Water rescue ongoing from flooding on Mission Creek near K-4.

Flood in WABAUNSEE, KANSAS
From 27-APR-16 02:30:00 to 27-APR-16 04:00:00 (CST-6)
Location: PAXICO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Evacuations of Mill Creek campground are underway due to flooding along Mill Creek.

Tornado in SHAWNEE, KANSAS
From 26-APR-16 16:42:00 to 26-APR-16 16:42:00 (CST-6)
Location: SILVER LAKE
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Storm chaser reported a confirmed tornado with several photos of a ragged funnel and reported that they saw debris kicked up on the ground.  No damage and occurred in an open field.

Hail in WASHINGTON, KANSAS
From 26-APR-16 03:00:00 to 26-APR-16 03:01:00 (CST-6)
Location: LINN
Magnitude: 1.75 
Reported by: Public

Hail in WASHINGTON, KANSAS
From 26-APR-16 03:20:00 to 26-APR-16 03:21:00 (CST-6)
Location: WASHINGTON
Magnitude: 2.75 
Reported by: Public

Based on a photo. Hail stone was between 2.75 and 3 inches in diameter.

Hail in MARSHALL, KANSAS
From 26-APR-16 03:36:00 to 26-APR-16 03:37:00 (CST-6)
Location: MARYSVILLE
Magnitude: 1.00 
Reported by: Trained Spotter

Flood in OSAGE, KANSAS
From 27-APR-16 03:08:00 to 27-APR-16 04:30:00 (CST-6)
Location: BURLINGAME
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Highway 56 is closed east of Burlingame and Burlingame Road is closed north of town due to flood waters over the road. Flood waters may  have also closed Highway 56 south of Burlingame.

Flood in WABAUNSEE, KANSAS
From 27-APR-16 10:00:00 to 27-APR-16 11:30:00 (CST-6)
Location: MAPLE HILL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Waterman Crossing and Highway 30 leading into Maple Hill has significant water over Highway 30. This is due to poor drainage in the area. One water rescue occureed by KHP at this location. KDOT has closed the road.

Hail in MARSHALL, KANSAS
From 26-APR-16 03:38:00 to 26-APR-16 03:39:00 (CST-6)
Location: MARYSVILLE
Magnitude: 1.50 
Reported by: Emergency Manager

Hail in MARSHALL, KANSAS
From 26-APR-16 04:28:00 to 26-APR-16 04:29:00 (CST-6)
Location: SUMMERFIELD
Magnitude: 1.50 
Reported by: Public

Reported via social media.

Hail in MARSHALL, KANSAS
From 26-APR-16 04:49:00 to 26-APR-16 04:50:00 (CST-6)
Location: MARYSVILLE
Magnitude: 1.00 
Reported by: Emergency Manager

Thunderstorm Wind in MARSHALL, KANSAS
From 26-APR-16 05:10:00 to 26-APR-16 05:11:00 (CST-6)
Location: FRANKFORT
Magnitude: 65.00 EG
Reported by: Fire Department/Rescue

Wind flipped a carport. Blew it into trees and held it in the trees. Estimated 75-80 mph.

Thunderstorm Wind in MARSHALL, KANSAS
From 26-APR-16 05:03:00 to 26-APR-16 05:04:00 (CST-6)
Location: BESTWALL
Magnitude: 52.00 EG
Reported by: Trained Spotter

Time estimated by radar.

Thunderstorm Wind in NEMAHA, KANSAS
From 26-APR-16 05:19:00 to 26-APR-16 05:20:00 (CST-6)
Location: BAILEYVILLE
Magnitude: 52.00 EG
Reported by: Trained Spotter

Estimated wind gust.

Flash Flood in MARSHALL, KANSAS
From 26-APR-16 05:30:00 to 26-APR-16 07:00:00 (CST-6)
Location: BEATTIE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Marshall County EM reported flooding over the roads in several spots between Oketo and Beatty.

Thunderstorm Wind in NEMAHA, KANSAS
From 26-APR-16 05:42:00 to 26-APR-16 05:43:00 (CST-6)
Location: CORNING
Magnitude: 52.00 EG
Reported by: Trained Spotter

Time estimated by radar.

Hail in NEMAHA, KANSAS
From 26-APR-16 05:52:00 to 26-APR-16 05:53:00 (CST-6)
Location: KELLY
Magnitude: 1.00 
Reported by: Trained Spotter

Winds also estimated to be 30-40 mph.

Thunderstorm Wind in FRANKLIN, KANSAS
From 26-APR-16 20:50:00 to 26-APR-16 20:51:00 (CST-6)
Location: OTTAWA MUNI ARPT
Magnitude: 70.00 EG
Reported by: COOP Observer

Five inch diameter maple tree limb blown down.

Hail in RILEY, KANSAS
From 26-APR-16 14:28:00 to 26-APR-16 14:29:00 (CST-6)
Location: OGDEN
Magnitude: 1.00 
Reported by: Emergency Manager

Quarter size hail reported by Emergency Manager.

Hail in RILEY, KANSAS
From 26-APR-16 14:43:00 to 26-APR-16 14:44:00 (CST-6)
Location: MANHATTAN
Magnitude: 1.00 
Reported by: Public

Hail in POTTAWATOMIE, KANSAS
From 26-APR-16 15:08:00 to 26-APR-16 15:09:00 (CST-6)
Location: OLSBURG
Magnitude: 1.00 
Reported by: Trained Spotter

Covering the ground.

Hail in POTTAWATOMIE, KANSAS
From 26-APR-16 15:01:00 to 26-APR-16 15:02:00 (CST-6)
Location: FOSTORIA
Magnitude: 1.75 
Reported by: Emergency Manager

Hail in WABAUNSEE, KANSAS
From 26-APR-16 15:15:00 to 26-APR-16 15:16:00 (CST-6)
Location: ALTA VISTA
Magnitude: 1.25 
Reported by: Emergency Manager

Hail in SHAWNEE, KANSAS
From 26-APR-16 15:17:00 to 26-APR-16 15:18:00 (CST-6)
Location: AUBURN
Magnitude: 1.25 
Reported by: Emergency Manager

Half-dollar size hail reported by Emergency Manager.

Hail in SHAWNEE, KANSAS
From 26-APR-16 15:23:00 to 26-APR-16 15:24:00 (CST-6)
Location: DOVER
Magnitude: 1.00 
Reported by: Public

Hail in WABAUNSEE, KANSAS
From 26-APR-16 15:24:00 to 26-APR-16 15:25:00 (CST-6)
Location: VOLLAND
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in WASHINGTON, KANSAS
From 26-APR-16 15:25:00 to 26-APR-16 15:26:00 (CST-6)
Location: MORROWVILLE
Magnitude: 0.88 
Reported by: Trained Spotter

Hail in SHAWNEE, KANSAS
From 26-APR-16 15:26:00 to 26-APR-16 15:27:00 (CST-6)
Location: DOVER
Magnitude: 1.00 
Reported by: Public

Hail in MARSHALL, KANSAS
From 26-APR-16 15:30:00 to 26-APR-16 15:31:00 (CST-6)
Location: WATERVILLE
Magnitude: 2.00 
Reported by: Emergency Manager

Hail in MARSHALL, KANSAS
From 26-APR-16 15:31:00 to 26-APR-16 15:32:00 (CST-6)
Location: BESTWALL
Magnitude: 1.75 
Reported by: Public

Hail in MARSHALL, KANSAS
From 26-APR-16 15:35:00 to 26-APR-16 15:36:00 (CST-6)
Location: BESTWALL
Magnitude: 2.50 
Reported by: Law Enforcement

Hail in SHAWNEE, KANSAS
From 26-APR-16 15:45:00 to 26-APR-16 15:46:00 (CST-6)
Location: DOVER
Magnitude: 1.00 
Reported by: Public

Hail in MARSHALL, KANSAS
From 26-APR-16 15:48:00 to 26-APR-16 15:49:00 (CST-6)
Location: SCHROYER
Magnitude: 2.00 
Reported by: Storm Chaser

Hail in MARSHALL, KANSAS
From 26-APR-16 15:48:00 to 26-APR-16 15:49:00 (CST-6)
Location: MARYSVILLE
Magnitude: 2.50 
Reported by: Public

Photo evidence of 2.5 inch diameter hail south of Marysville.

Hail in MARSHALL, KANSAS
From 26-APR-16 15:49:00 to 26-APR-16 15:50:00 (CST-6)
Location: MARYSVILLE
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in MARSHALL, KANSAS
From 26-APR-16 15:40:00 to 26-APR-16 15:41:00 (CST-6)
Location: WATERVILLE
Magnitude: 2.50 
Reported by: Emergency Manager

Hail in MARSHALL, KANSAS
From 26-APR-16 15:43:00 to 26-APR-16 15:44:00 (CST-6)
Location: WATERVILLE
Magnitude: 2.50 
Reported by: Emergency Manager

Windows were broken out of home.

Thunderstorm Wind in GEARY, KANSAS
From 26-APR-16 15:51:00 to 26-APR-16 15:52:00 (CST-6)
Location: OLSON
Magnitude: 52.00 EG
Reported by: Trained Spotter

Estimate wind gust.

Flash Flood in SHAWNEE, KANSAS
From 26-APR-16 15:54:00 to 26-APR-16 17:30:00 (CST-6)
Location: DOVER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flash flooding over road at 3300 SW Carlson Road.

Hail in SHAWNEE, KANSAS
From 26-APR-16 15:55:00 to 26-APR-16 15:56:00 (CST-6)
Location: DOVER
Magnitude: 1.75 
Reported by: Emergency Manager

Hail in SHAWNEE, KANSAS
From 26-APR-16 15:57:00 to 26-APR-16 15:58:00 (CST-6)
Location: DOVER
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in WASHINGTON, KANSAS
From 26-APR-16 15:57:00 to 26-APR-16 15:58:00 (CST-6)
Location: WASHINGTON
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in MARSHALL, KANSAS
From 26-APR-16 16:00:00 to 26-APR-16 16:01:00 (CST-6)
Location: BREMEN
Magnitude: 5.00 
Reported by: Public

Five inch diameter hail measured. Report based on photo evidence via social media.

Hail in RILEY, KANSAS
From 26-APR-16 16:05:00 to 26-APR-16 16:06:00 (CST-6)
Location: MARIADAHL
Magnitude: 0.88 
Reported by: Trained Spotter

Hail in CLOUD, KANSAS
From 26-APR-16 16:06:00 to 26-APR-16 16:07:00 (CST-6)
Location: CLYDE
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in WASHINGTON, KANSAS
From 26-APR-16 16:18:00 to 26-APR-16 16:19:00 (CST-6)
Location: HANOVER
Magnitude: 3.00 
Reported by: Public

Report from photo on social media.

Hail in SHAWNEE, KANSAS
From 26-APR-16 16:15:00 to 26-APR-16 16:16:00 (CST-6)
Location: WILLARD
Magnitude: 1.75 
Reported by: Trained Spotter

Hail in MARSHALL, KANSAS
From 26-APR-16 16:20:00 to 26-APR-16 16:21:00 (CST-6)
Location: WATERVILLE
Magnitude: 1.25 
Reported by: Trained Spotter

Hail in SHAWNEE, KANSAS
From 26-APR-16 16:17:00 to 26-APR-16 16:18:00 (CST-6)
Location: SILVER LAKE
Magnitude: 1.25 
Reported by: Trained Spotter

Hail in SHAWNEE, KANSAS
From 26-APR-16 16:20:00 to 26-APR-16 16:21:00 (CST-6)
Location: ROSSVILLE
Magnitude: 1.00 
Reported by: Public

Hail in MARSHALL, KANSAS
From 26-APR-16 16:30:00 to 26-APR-16 16:31:00 (CST-6)
Location: MARYSVILLE
Magnitude: 2.00 
Reported by: Storm Chaser

Hail in MARSHALL, KANSAS
From 26-APR-16 16:33:00 to 26-APR-16 16:34:00 (CST-6)
Location: BREMEN
Magnitude: 3.00 
Reported by: Storm Chaser

Hail in MARSHALL, KANSAS
From 26-APR-16 16:35:00 to 26-APR-16 16:36:00 (CST-6)
Location: BREMEN
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in BROWN, KANSAS
From 26-APR-16 16:49:00 to 26-APR-16 16:50:00 (CST-6)
Location: FAIRVIEW
Magnitude: 1.75 
Reported by: Trained Spotter

Flash Flood in GEARY, KANSAS
From 26-APR-16 17:36:00 to 26-APR-16 19:00:00 (CST-6)
Location: (FRI)MARSHALL AAF FT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Creeks flooding near K-57, had debris over roadway, but has since receded.

Flash Flood in RILEY, KANSAS
From 26-APR-16 17:38:00 to 26-APR-16 19:00:00 (CST-6)
Location: ZEANDALE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Parts of K-18 is closed between Fairmont and Zeandale.

Flash Flood in RILEY, KANSAS
From 26-APR-16 17:40:00 to 26-APR-16 19:00:00 (CST-6)
Location: (MHK)MANHATTAN MUNI
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Flooded roadway at 54th and Eureka, just north of the Manhattan Airport.

Flash Flood in SHAWNEE, KANSAS
From 26-APR-16 17:57:00 to 26-APR-16 19:30:00 (CST-6)
Location: DOVER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Portions of Carlson RD closed due to flooding near 11000 block, near K-4 and south of Interstate-70.

Flash Flood in SHAWNEE, KANSAS
From 26-APR-16 17:57:00 to 26-APR-16 19:30:00 (CST-6)
Location: WILLARD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Water rescue ongoing near 1900 NW Carlson Rd. Water is flowing over the roadway.

Flash Flood in OSAGE, KANSAS
From 26-APR-16 18:29:00 to 26-APR-16 20:00:00 (CST-6)
Location: OSAGE CITY ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Flash flooding reported by law enforcement in Osage City; streets under water.

Flood in JEFFERSON, KANSAS
From 26-APR-16 19:46:00 to 26-APR-16 21:00:00 (CST-6)
Location: WILLIAMSTOWN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Highway 24 just east of Williamstown is closed due to water over the road.

Flash Flood in ANDERSON, KANSAS
From 26-APR-16 22:16:00 to 26-APR-16 23:45:00 (CST-6)
Location: GARNETT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Multiple portions of Highway 31 are under water.

Hail in ANDERSON, KANSAS
From 26-APR-16 19:50:00 to 26-APR-16 19:51:00 (CST-6)
Location: WESTPHALIA
Magnitude: 1.00 
Reported by: COOP Observer

Hail in REPUBLIC, KANSAS
From 26-APR-16 17:50:00 to 26-APR-16 17:51:00 (CST-6)
Location: WARWICK
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in LYON, KANSAS
From 26-APR-16 19:07:00 to 26-APR-16 19:08:00 (CST-6)
Location: OLPE
Magnitude: 1.75 
Reported by: Emergency Manager

Hail in MARSHALL, KANSAS
From 26-APR-16 05:02:00 to 26-APR-16 05:03:00 (CST-6)
Location: HOME
Magnitude: 1.00 
Reported by: Trained Spotter

Mostly pea size but a few dimes and quarter size hail stones.

Hail in NEMAHA, KANSAS
From 26-APR-16 05:19:00 to 26-APR-16 05:20:00 (CST-6)
Location: BAILEYVILLE
Magnitude: 1.00 
Reported by: Trained Spotter

Thunderstorm Wind in JEFFERSON, KANSAS
From 26-APR-16 06:51:00 to 26-APR-16 06:52:00 (CST-6)
Location: NORTONVILLE
Magnitude: 52.00 EG
Reported by: Emergency Manager

Grain roof blown off and thrown approximately 600 feet. Time estimated by radar.

Hail in REPUBLIC, KANSAS
From 26-APR-16 02:47:00 to 26-APR-16 02:48:00 (CST-6)
Location: CUBA
Magnitude: 1.50 
Reported by: Trained Spotter