An unstable atmosphere, residual outflow boundaries and an approaching shortwave trough helped to produce thunderstorms, some severe.

Flash Flood in KEARNY, KANSAS
From 28-MAY-15 17:30:00 to 28-MAY-15 19:30:00 (CST-6)
Location: LAKE MC KINNEY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Water was flowing across Highway 25.

Hail in KEARNY, KANSAS
From 28-MAY-15 15:42:00 to 28-MAY-15 15:42:00 (CST-6)
Location: LAKE MC KINNEY
Magnitude: 1.25 
Reported by: Storm Chaser

Hail in KEARNY, KANSAS
From 28-MAY-15 15:58:00 to 28-MAY-15 15:58:00 (CST-6)
Location: LAKE MC KINNEY
Magnitude: 1.00 
Reported by: Public

Hail in SCOTT, KANSAS
From 28-MAY-15 16:10:00 to 28-MAY-15 16:10:00 (CST-6)
Location: SHALLOW WATER
Magnitude: 1.00 
Reported by: Public

Hail in KEARNY, KANSAS
From 28-MAY-15 16:48:00 to 28-MAY-15 16:48:00 (CST-6)
Location: DEERFIELD
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in KEARNY, KANSAS
From 28-MAY-15 16:52:00 to 28-MAY-15 16:52:00 (CST-6)
Location: DEERFIELD
Magnitude: 0.88 
Reported by: Public

Thunderstorm Wind in SCOTT, KANSAS
From 28-MAY-15 16:20:00 to 28-MAY-15 16:20:00 (CST-6)
Location: GRIGSTON
Magnitude: 64.00 MG
Reported by: Emergency Manager

Thunderstorm Wind in SCOTT, KANSAS
From 28-MAY-15 16:21:00 to 28-MAY-15 16:21:00 (CST-6)
Location: GRIGSTON
Magnitude: 51.00 MG
Reported by: Public

Thunderstorm Wind in SCOTT, KANSAS
From 28-MAY-15 16:26:00 to 28-MAY-15 16:26:00 (CST-6)
Location: MANNING
Magnitude: 55.00 MG
Reported by: Public

The observer also had nickel sized hail.

Thunderstorm Wind in LANE, KANSAS
From 28-MAY-15 16:52:00 to 28-MAY-15 16:52:00 (CST-6)
Location: DIGHTON
Magnitude: 56.00 EG
Reported by: Public

Winds were estimated to be 65 MPH.

Thunderstorm Wind in NESS, KANSAS
From 28-MAY-15 17:11:00 to 28-MAY-15 17:11:00 (CST-6)
Location: UTICA
Magnitude: 52.00 EG
Reported by: COOP Observer

Winds were estimated to be at least 60 MPH.

Thunderstorm Wind in NESS, KANSAS
From 28-MAY-15 17:15:00 to 28-MAY-15 17:15:00 (CST-6)
Location: LAIRD
Magnitude: 57.00 MG
Reported by: Public

Thunderstorm Wind in NESS, KANSAS
From 28-MAY-15 17:35:00 to 28-MAY-15 17:35:00 (CST-6)
Location: NESS CITY
Magnitude: 52.00 EG
Reported by: Public

Winds were estimated to be 60 MPH.

Thunderstorm Wind in NESS, KANSAS
From 28-MAY-15 17:35:00 to 28-MAY-15 17:35:00 (CST-6)
Location: OSGOOD
Magnitude: 52.00 EG
Reported by: Trained Spotter

Winds were estimated to be at least 60 MPH.

Hail in SCOTT, KANSAS
From 28-MAY-15 16:26:00 to 28-MAY-15 16:26:00 (CST-6)
Location: MANNING
Magnitude: 0.88 
Reported by: Public

There was also high wind with the hail.

Tornado in SCOTT, KANSAS
From 28-MAY-15 15:50:00 to 28-MAY-15 15:56:00 (CST-6)
Location: SHALLOW WATER
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

This tornado appeared to be relatively weak and short lived.

Tornado in FINNEY, KANSAS
From 28-MAY-15 16:09:00 to 28-MAY-15 16:13:00 (CST-6)
Location: FRIEND
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

This tornado appeared to also be weak and it was short lived.

Hail in KEARNY, KANSAS
From 28-MAY-15 16:20:00 to 28-MAY-15 16:20:00 (CST-6)
Location: LAKIN WHITE ARPT
Magnitude: 0.75 
Reported by: Public