A cold front moving out of northern Kansas moved into a very unstable airmass during the late afternoon and evening.  In addition, an upper level wind maxima was moving across the plains.  Both features combined to produce thunderstorms, many which were severe.

Flood in STANTON, KANSAS
From 10-SEP-15 17:50:00 to 10-SEP-15 20:50:00 (CST-6)
Location: JOHNSON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Water 4 to 5 inches deep was flowing across Highway 27.

Flood in GRANT, KANSAS
From 10-SEP-15 19:00:00 to 10-SEP-15 22:00:00 (CST-6)
Location: ULYSSES
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Water was flowing across Highway 25.

Hail in HAMILTON, KANSAS
From 10-SEP-15 15:25:00 to 10-SEP-15 15:25:00 (MST-7)
Location: SYRACUSE
Magnitude: 1.00 
Reported by: Public

Hail in HAMILTON, KANSAS
From 10-SEP-15 15:30:00 to 10-SEP-15 15:30:00 (MST-7)
Location: SYRACUSE
Magnitude: 0.88 
Reported by: Public

Hail in KEARNY, KANSAS
From 10-SEP-15 16:41:00 to 10-SEP-15 16:41:00 (CST-6)
Location: LAKE MC KINNEY
Magnitude: 0.75 
Reported by: Public

Hail in KEARNY, KANSAS
From 10-SEP-15 16:50:00 to 10-SEP-15 16:50:00 (CST-6)
Location: LAKE MC KINNEY
Magnitude: 1.00 
Reported by: Public

Hail in KEARNY, KANSAS
From 10-SEP-15 16:53:00 to 10-SEP-15 16:53:00 (CST-6)
Location: LAKE MC KINNEY
Magnitude: 0.75 
Reported by: Public

Hail in STANTON, KANSAS
From 10-SEP-15 17:30:00 to 10-SEP-15 17:30:00 (CST-6)
Location: JOHNSON
Magnitude: 1.75 
Reported by: Public

Hail in STANTON, KANSAS
From 10-SEP-15 17:38:00 to 10-SEP-15 17:38:00 (CST-6)
Location: JOHNSON
Magnitude: 1.00 
Reported by: Emergency Manager

Hail in NESS, KANSAS
From 10-SEP-15 17:50:00 to 10-SEP-15 17:50:00 (CST-6)
Location: ARNOLD
Magnitude: 1.00 
Reported by: Public

Hail in NESS, KANSAS
From 10-SEP-15 17:42:00 to 10-SEP-15 17:42:00 (CST-6)
Location: ARNOLD
Magnitude: 0.88 
Reported by: Public

Hail in GRANT, KANSAS
From 10-SEP-15 18:19:00 to 10-SEP-15 18:19:00 (CST-6)
Location: ULYSSES
Magnitude: 0.75 
Reported by: Emergency Manager

Winds were also up to 50 MPH while the hail was falling.

Hail in STANTON, KANSAS
From 10-SEP-15 18:20:00 to 10-SEP-15 18:20:00 (CST-6)
Location: SAUNDERS
Magnitude: 1.00 
Reported by: Public

Hail in ELLIS, KANSAS
From 10-SEP-15 18:30:00 to 10-SEP-15 18:30:00 (CST-6)
Location: HAYS
Magnitude: 1.50 
Reported by: Public

Hail in STANTON, KANSAS
From 10-SEP-15 18:40:00 to 10-SEP-15 18:40:00 (CST-6)
Location: MANTER
Magnitude: 1.00 
Reported by: Public

Hail in STANTON, KANSAS
From 10-SEP-15 18:05:00 to 10-SEP-15 18:05:00 (CST-6)
Location: JOHNSON
Magnitude: 1.75 
Reported by: Emergency Manager

Hail accumulated to a depth of more than 4 inches.  Also, three inches of rain fell resulting in local flooding.

Heavy Rain in STANTON, KANSAS
From 10-SEP-15 16:05:00 to 10-SEP-15 18:05:00 (CST-6)
Location: JOHNSON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Rainfall of 3 inches fell during the period resulting in minor local flooding.

Hail in HODGEMAN, KANSAS
From 10-SEP-15 19:06:00 to 10-SEP-15 19:06:00 (CST-6)
Location: JETMORE
Magnitude: 0.75 
Reported by: Public

Hail in HODGEMAN, KANSAS
From 10-SEP-15 19:15:00 to 10-SEP-15 19:15:00 (CST-6)
Location: JETMORE
Magnitude: 1.00 
Reported by: Public

Hail in MORTON, KANSAS
From 10-SEP-15 19:23:00 to 10-SEP-15 19:23:00 (CST-6)
Location: ROLLA
Magnitude: 0.75 
Reported by: Trained Spotter

Hail in MORTON, KANSAS
From 10-SEP-15 19:40:00 to 10-SEP-15 19:40:00 (CST-6)
Location: (1K5)ELKHART
Magnitude: 0.75 
Reported by: Public

Hail in HODGEMAN, KANSAS
From 10-SEP-15 19:24:00 to 10-SEP-15 19:24:00 (CST-6)
Location: GRAY
Magnitude: 0.75 
Reported by: Public

Thunderstorm Wind in NESS, KANSAS
From 10-SEP-15 17:42:00 to 10-SEP-15 17:42:00 (CST-6)
Location: ARNOLD
Magnitude: 65.00 EG
Reported by: Public

Tree limbs of up to five inches in diameter were broken.

Thunderstorm Wind in GRANT, KANSAS
From 10-SEP-15 17:55:00 to 10-SEP-15 17:55:00 (CST-6)
Location: ULYSSES
Magnitude: 52.00 EG
Reported by: Public

Winds were estimated to be 60 MPH.

Thunderstorm Wind in STANTON, KANSAS
From 10-SEP-15 18:31:00 to 10-SEP-15 18:31:00 (CST-6)
Location: JOHNSON
Magnitude: 58.00 MG
Reported by: Public

Thunderstorm Wind in STEVENS, KANSAS
From 10-SEP-15 19:06:00 to 10-SEP-15 19:06:00 (CST-6)
Location: MOSCOW
Magnitude: 52.00 EG
Reported by: Public

Winds were estimated to be 60 MPH.

Thunderstorm Wind in MORTON, KANSAS
From 10-SEP-15 19:25:00 to 10-SEP-15 19:25:00 (CST-6)
Location: (1K5)ELKHART
Magnitude: 59.00 MG
Reported by: Public

Hail in FORD, KANSAS
From 10-SEP-15 20:10:00 to 10-SEP-15 20:10:00 (CST-6)
Location: SPEARVILLE
Magnitude: 0.88 
Reported by: Public

Thunderstorm Wind in STAFFORD, KANSAS
From 10-SEP-15 19:59:00 to 10-SEP-15 19:59:00 (CST-6)
Location: HUDSON
Magnitude: 77.00 MG
Reported by: Mesonet

Winds were sustained at 49 MPH for at least 1 minute.