Several long-track supercell thunderstorms developed during the evening hours and moved north. Seven tornadoes were reported over four hours, with some producing EF1-EF2 damage.

Tornado in SHERIDAN, KANSAS
From 09-MAY-15 20:12:00 to 09-MAY-15 20:50:00 (CST-6)
Location: ANGELUS
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Chaser reported a large tornado on the ground moving north.

Tornado in SHERIDAN, KANSAS
From 09-MAY-15 20:50:00 to 09-MAY-15 21:28:00 (CST-6)
Location: SELDEN
Tornado F-scale: EF2
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Chaser reported a large tornado on the ground moving north from Sheridan into Decatur county.  Damage occurred at a farmstead with a large tree damaged, minor roof damage and an antenna blown over near Selden.  Another resident reported a barn was destroyed.

Flash Flood in CHEYENNE, KANSAS
From 09-MAY-15 22:00:00 to 10-MAY-15 01:00:00 (CST-6)
Location: BIRD CITY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Standing water was still occurring over roads but roads were passable the following morning.  Delayed report from social media.

Flash Flood in CHEYENNE, KANSAS
From 09-MAY-15 21:30:00 to 10-MAY-15 00:30:00 (CST-6)
Location: ST FRANCIS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Street flooding occurred in St Francis last night.  Time of flooding is estimated from Doppler radar and other reports.

Tornado in DECATUR, KANSAS
From 09-MAY-15 21:43:00 to 09-MAY-15 22:04:00 (CST-6)
Location: OBERLIN
Tornado F-scale: EF1
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Chaser reported utility poles were snapped just north of Highway 36 on Road 314.

Flash Flood in CHEYENNE, KANSAS
From 09-MAY-15 21:30:00 to 10-MAY-15 00:30:00 (CST-6)
Location: ST FRANCIS ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Water was running over several county roads last night and this morning due to heavy rainfall.  Time of flooding is estimated from Doppler radar.  Flooding continued early this morning but has since subsided.

Tornado in GOVE, KANSAS
From 09-MAY-15 19:38:00 to 09-MAY-15 19:53:00 (CST-6)
Location: GRINNELL
Tornado F-scale: EF1
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Public

Spotters repported a tornado moving from south of Grinnell to just northwest of Grinnell. Minor roof damage was reported and irrigation pivot sections were overturned.

Tornado in GRAHAM, KANSAS
From 09-MAY-15 18:55:00 to 09-MAY-15 19:06:00 (CST-6)
Location: ST PETER
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

This tornado was reported by storm spotters, KWCH broadcast media as well as local dispatch.

Tornado in GOVE, KANSAS
From 09-MAY-15 19:00:00 to 09-MAY-15 19:15:00 (CST-6)
Location: GOVE
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Spotters report a large tornado on the ground.

Hail in CHEYENNE, KANSAS
From 09-MAY-15 17:25:00 to 09-MAY-15 17:28:00 (CST-6)
Location: ST FRANCIS
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SHERMAN, KANSAS
From 09-MAY-15 19:18:00 to 09-MAY-15 19:18:00 (MST-7)
Location: GOODLAND
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in SHERMAN, KANSAS
From 09-MAY-15 20:20:00 to 09-MAY-15 20:20:00 (MST-7)
Location: EDSON
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in SHERMAN, KANSAS
From 09-MAY-15 18:55:00 to 09-MAY-15 18:55:00 (MST-7)
Location: EDSON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Peak wind gust was estimated at 60 mph.

Thunderstorm Wind in CHEYENNE, KANSAS
From 09-MAY-15 20:05:00 to 09-MAY-15 20:05:00 (CST-6)
Location: BIRD CITY
Magnitude: 65.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Road signs were damaged 1 mile west of Bird City. Time is estimated from Doppler radar.