Supercell T-storms developed across north central Kansas during the late afternoon on May 1.  The supercells produced at least 4 documented tornadoes including a strong tornado in Ottawa county near Tescott Kansas.  No injuries occurred with any of the storms.

Tornado in CLAY, KANSAS
From 01-MAY-18 18:56:00 to 01-MAY-18 19:15:00 (CST-6)
Location: OAK HILL
Tornado F-scale: EF1
Reported by: NWS Storm Survey

A tornado developed just northeast of Oak Hill and traveled along rural areas that were sparsely populated, doing damage to a farmstead including a few sheds and cedar trees but mostly open pasture.

Hail in RILEY, KANSAS
From 01-MAY-18 21:55:00 to 01-MAY-18 21:56:00 (CST-6)
Location: RILEY
Magnitude: 1.75 
Reported by: Emergency Manager

Tornado in REPUBLIC, KANSAS
From 01-MAY-18 16:44:00 to 01-MAY-18 16:52:00 (CST-6)
Location: NEW TABOR
Tornado F-scale: EF0
Reported by: Storm Chaser

This was a broad and weak tornado that developed along the leading edge of a bowing line segment. It was witnessed by multiple sources but caused no reported damage.

Tornado in CLOUD, KANSAS
From 01-MAY-18 17:59:00 to 01-MAY-18 18:20:00 (CST-6)
Location: GLASCO
Tornado F-scale: EF1
Reported by: NWS Storm Survey

This broad but weak tornado damaged several outbuildings and power lines along its path. End point based on an extrapolation of a video and radar data.

Tornado in CLOUD, KANSAS
From 01-MAY-18 18:15:00 to 01-MAY-18 18:39:00 (CST-6)
Location: AURORA
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

This was a weak, intermittent tornado that hit few damage indicators. Path end point is estimated based on radar.

Tornado in CLAY, KANSAS
From 01-MAY-18 18:49:00 to 01-MAY-18 19:08:00 (CST-6)
Location: CLIFTON
Tornado F-scale: EF1
Reported by: NWS Storm Survey

This tornado developed in rural NW Clay County and tracked ENE. It damaged at least one farmstead, trees, and powerlines along its path. Beginning path segment estimated based on radar data and end point based on satellite imagery and damage reports.

Thunderstorm Wind in OTTAWA, KANSAS
From 01-MAY-18 19:50:00 to 01-MAY-18 19:51:00 (CST-6)
Location: LINDSEY
Magnitude: 55.00 EG
Reported by: Public

Wind gust speed was estimated.

Thunderstorm Wind in DICKINSON, KANSAS
From 01-MAY-18 20:20:00 to 01-MAY-18 20:21:00 (CST-6)
Location: MANCHESTER
Magnitude: 52.00 EG
Reported by: Emergency Manager

Wind gust speed was estimated.

Hail in OTTAWA, KANSAS
From 01-MAY-18 20:29:00 to 01-MAY-18 20:30:00 (CST-6)
Location: ADA
Magnitude: 2.00 
Reported by: Trained Spotter

Time was estimated via radar.

Hail in OTTAWA, KANSAS
From 01-MAY-18 20:56:00 to 01-MAY-18 20:57:00 (CST-6)
Location: LAMAR
Magnitude: 1.00 
Reported by: Trained Spotter

Thunderstorm Wind in REPUBLIC, KANSAS
From 01-MAY-18 16:27:00 to 01-MAY-18 16:28:00 (CST-6)
Location: REPUBLIC
Magnitude: 52.00 EG
Reported by: Trained Spotter

Pea size hail also reported.

Hail in CLAY, KANSAS
From 01-MAY-18 19:00:00 to 01-MAY-18 19:01:00 (CST-6)
Location: CLIFTON
Magnitude: 1.75 
Reported by: Public

Report received via twitter with time estimated using radar.

Hail in OTTAWA, KANSAS
From 01-MAY-18 19:30:00 to 01-MAY-18 19:31:00 (CST-6)
Location: ADA
Magnitude: 4.00 
Reported by: Emergency Manager

Wind driven softball size hail with extensive damage to siding and windows in several homes in Ada.

Hail in OTTAWA, KANSAS
From 01-MAY-18 19:40:00 to 01-MAY-18 19:41:00 (CST-6)
Location: ADA
Magnitude: 1.75 
Reported by: Trained Spotter

Tornado in OTTAWA, KANSAS
From 01-MAY-18 18:44:00 to 01-MAY-18 19:10:00 (CST-6)
Location: TESCOTT
Tornado F-scale: EF3
Reported by: NWS Storm Survey

A strong tornado developed in far northwestern Saline county Kansas around 744pm CDT and moved northeast into Ottawa County doing damage to several structures including a single family home.  The tornado was well documented by numerous chasers and become wide with multiple vortices noted on video.  The lack of DIs in this part of Kansas can be a challenge when it comes to rating tornadoes and using the traditional methodology of DIs yielded a EF3 rating.  The tornado dissipated just to the southwest of Minneapolis, KS around 810 pm CDT.