A high precipitation supercell t-storm developed during the afternoon of May 28th across Lyon County Kansas and tracked northeast through the evening producing several tornadoes.  The strongest tornado was an EF4 violent tornado that tracked just south of Lawrence Kansas northeast into Leavenworth county Kansas.  No fatalities occurred due to the tornadoes with around 17 injuries reported with most of those associated with vehicles that were chasing the storms.

Hail in REPUBLIC, KANSAS
From 28-MAY-19 17:52:00 to 28-MAY-19 17:53:00 (CST-6)
Location: BELLEVILLE ARPT
Magnitude: 1.50 
Reported by: Emergency Manager

Hail in WASHINGTON, KANSAS
From 28-MAY-19 19:01:00 to 28-MAY-19 19:02:00 (CST-6)
Location: HOLLENBURG
Magnitude: 2.75 
Reported by: Trained Spotter

Thunderstorm Wind in GEARY, KANSAS
From 28-MAY-19 19:30:00 to 28-MAY-19 19:31:00 (CST-6)
Location: OLSON
Magnitude: 56.00 EG
Reported by: Emergency Manager

Estimated wind gust report.

Thunderstorm Wind in NEMAHA, KANSAS
From 28-MAY-19 20:42:00 to 28-MAY-19 20:43:00 (CST-6)
Location: CORNING
Magnitude: 52.00 EG
Reported by: Trained Spotter

Estimated wind gust.

Thunderstorm Wind in MARSHALL, KANSAS
From 28-MAY-19 19:59:00 to 28-MAY-19 20:00:00 (CST-6)
Location: AXTELL
Magnitude: 52.00 EG
Reported by: Emergency Manager

Estimated wind gust report.

Hail in NEMAHA, KANSAS
From 28-MAY-19 13:36:00 to 28-MAY-19 13:37:00 (CST-6)
Location: KELLY
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in NEMAHA, KANSAS
From 28-MAY-19 13:45:00 to 28-MAY-19 13:46:00 (CST-6)
Location: SENECA
Magnitude: 1.00 
Reported by: Public

Social media picture.

Hail in BROWN, KANSAS
From 28-MAY-19 13:13:00 to 28-MAY-19 13:14:00 (CST-6)
Location: EVEREST
Magnitude: 2.25 
Reported by: Public

Social media pictures of 2.25 inch hail.

Hail in BROWN, KANSAS
From 28-MAY-19 13:13:00 to 28-MAY-19 13:14:00 (CST-6)
Location: WILLIS
Magnitude: 1.50 
Reported by: Public

Hail in JACKSON, KANSAS
From 28-MAY-19 12:43:00 to 28-MAY-19 12:44:00 (CST-6)
Location: CIRCLEVILLE
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in JACKSON, KANSAS
From 28-MAY-19 12:53:00 to 28-MAY-19 12:54:00 (CST-6)
Location: NETAWAKA
Magnitude: 1.00 
Reported by: Public

Hail in JACKSON, KANSAS
From 28-MAY-19 12:32:00 to 28-MAY-19 12:33:00 (CST-6)
Location: CIRCLEVILLE
Magnitude: 1.00 
Reported by: Public

Hail in SHAWNEE, KANSAS
From 28-MAY-19 15:51:00 to 28-MAY-19 15:52:00 (CST-6)
Location: WILLARD
Magnitude: 2.00 
Reported by: Emergency Manager

Hail in SHAWNEE, KANSAS
From 28-MAY-19 15:55:00 to 28-MAY-19 15:56:00 (CST-6)
Location: VALENCIA
Magnitude: 1.00 
Reported by: Emergency Manager

Hail in REPUBLIC, KANSAS
From 28-MAY-19 17:40:00 to 28-MAY-19 17:41:00 (CST-6)
Location: NORWAY
Magnitude: 1.50 
Reported by: Public

Hail in BROWN, KANSAS
From 28-MAY-19 13:56:00 to 28-MAY-19 13:57:00 (CST-6)
Location: FAIRVIEW
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in NEMAHA, KANSAS
From 28-MAY-19 13:57:00 to 28-MAY-19 13:58:00 (CST-6)
Location: ONEIDA
Magnitude: 0.88 
Reported by: Public

Hail in BROWN, KANSAS
From 28-MAY-19 14:26:00 to 28-MAY-19 14:27:00 (CST-6)
Location: RESERVE
Magnitude: 1.00 
Reported by: Trained Spotter

Tornado in OSAGE, KANSAS
From 28-MAY-19 16:10:00 to 28-MAY-19 16:11:00 (CST-6)
Location: OSAGE CITY
Tornado F-scale: EFU
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Report of rotation and debris lofted aloft.  Subsequent follow up revealed no damage however had eyewitness of small brief tornado in field.  Time based on radar and report.

Tornado in DOUGLAS, KANSAS
From 28-MAY-19 17:05:00 to 28-MAY-19 17:32:00 (CST-6)
Location: LONE STAR
Tornado F-scale: EF3
Reported by: NWS Storm Survey

This tornado appears to have formed just east of Lone Star Lake around 605 pm CDT where it absorbed a smaller circulation and associated tornado as it intensified and move northeast across Douglas county including areas just south and southeast of the city of Lawrence.  The tornado became wide and intense as it moved south of Lawrence and crossed highway 10 before moving just north of Eudora and over the Kansas river into Leavenworth county.  The damage  path was one half to one mile at times with the most intense damage surveyed in the high end EF3 range which suggests winds of 150 to 160 mph.   The tornado ended in Leavenworth county around 7 pm CDT with a path of around 28 miles total.  The tornado did produce EF4 damage in Leavenworth county around Linwood Kansas.

Tornado in OSAGE, KANSAS
From 28-MAY-19 16:49:00 to 28-MAY-19 16:54:00 (CST-6)
Location: OVERBROOK
Tornado F-scale: EF0
Reported by: NWS Storm Survey

NWS employees surveyed the track and found damage beginning around 2 miles southeast of Overbrook that continued northeast into Douglas county.  The sporadic damage path continued to just east southeast of Lone Star Lake in Douglas County where it merged with a larger circulation that eventually become the long track violent tornado. The Osage county portion only had EF0 damage associated with it.

Tornado in DOUGLAS, KANSAS
From 28-MAY-19 16:54:00 to 28-MAY-19 17:06:00 (CST-6)
Location: GLOBE
Tornado F-scale: EF2
Reported by: NWS Storm Survey

NWS employees surveyed the track and found damage beginning around 2 miles southeast of Overbrook that continued northeast into Douglas county.  The sporadic damage path continued to just east southeast of Lone Star Lake in Douglas County where it merged with a larger circulation that eventually become the long track violent tornado. This tornado did impact vehicles in the path of the tornado resulting in several injuries.