Unorganized supercells formed along the dry line in Wallace/Logan counties and moved east into an increasingly unstable air mass. As the cells moved east, they merged into a line that extended from Greeley County to Sheridan County. The storms from this event produced a landspout tornado near Hoxie, KS, up to ping pong sized hail, and flash flooding in Grinnell, KS with a vehicle stuck in the water.

Flash Flood in GOVE, KANSAS
From 21-JUN-20 12:50:00 to 21-JUN-20 13:55:00 (CST-6)
Location: GRINNELL
Flood cause: Heavy Rain
Property damage: 25.00K
Crop damage: 0.01K
Reported by: 911 Call Center

Gove County Dispatch reported approximately 10 inches of water under the I-70 overpass at mile marker 86. A vehicle was reported to be stuck in the water. Flash flooding occurred due to training of cells within a line moving NE and then the line pushed east out of the area around an hour later. Damage costs to the vehicle are unknown.

Tornado in SHERIDAN, KANSAS
From 21-JUN-20 13:50:00 to 21-JUN-20 14:10:00 (CST-6)
Location: HOXIE
Tornado F-scale: EF0
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

A well documented landspout tornado occurred in Sheridan County. Numerous calls and reports were received. However, looking at the photographic and radar evidence, this appears to be one long-lived and slow moving landspout. A center pivot was overturned in a field and this is the only known damage from this event. As a result, an EF-0 rating was assigned with winds likely around 80 mph with this particular tornado.

Hail in WICHITA, KANSAS
From 21-JUN-20 14:20:00 to 21-JUN-20 14:20:00 (CST-6)
Location: MARIENTHAL
Magnitude: 0.88 
Reported by: Social Media

Hail in NORTON, KANSAS
From 21-JUN-20 15:00:00 to 21-JUN-20 15:15:00 (CST-6)
Location: NORTON
Magnitude: 1.25 
Reported by: Trained Spotter

Trained spotter reported ongoing half dollar sized hail that had been falling for approximately 15 minutes duration.

Hail in LOGAN, KANSAS
From 21-JUN-20 12:53:00 to 21-JUN-20 12:53:00 (CST-6)
Location: ELKADER
Magnitude: 1.50 
Reported by: Storm Chaser

Storm Chaster reported ping pong ball sized hail falling on US 83.

Hail in GOVE, KANSAS
From 21-JUN-20 13:04:00 to 21-JUN-20 13:04:00 (CST-6)
Location: GRINNELL
Magnitude: 1.00 
Reported by: Social Media

Quarter sized hail reported at exit 86 (KS-216) on I-70.

Hail in GOVE, KANSAS
From 21-JUN-20 13:04:00 to 21-JUN-20 13:04:00 (CST-6)
Location: GRINNELL
Magnitude: 1.00 
Reported by: Trained Spotter

Spotter reported ongoing quarter sized hail.

Hail in SHERIDAN, KANSAS
From 21-JUN-20 13:45:00 to 21-JUN-20 13:45:00 (CST-6)
Location: SEGUIN
Magnitude: 1.00 
Reported by: Social Media

Hail in NORTON, KANSAS
From 21-JUN-20 15:20:00 to 21-JUN-20 15:25:00 (CST-6)
Location: NORTON
Magnitude: 1.00 
Reported by: Public

Multiple callers reported a brief hail shower less than one minute in duration from 3/8 inch to 1 inch in size.

Hail in GOVE, KANSAS
From 21-JUN-20 13:16:00 to 21-JUN-20 13:16:00 (CST-6)
Location: GRINNELL
Magnitude: 0.88 
Reported by: Social Media

Pea to nickle sized hail reported.

Hail in LOGAN, KANSAS
From 21-JUN-20 13:18:00 to 21-JUN-20 13:18:00 (CST-6)
Location: OAKLEY MUNI ARPT
Magnitude: 1.00 
Reported by: Emergency Manager

Logan County EM reported ongoing quarter sized hail.

Hail in GOVE, KANSAS
From 21-JUN-20 13:14:00 to 21-JUN-20 13:14:00 (CST-6)
Location: GRINNELL
Magnitude: 1.50 
Reported by: 911 Call Center

Officer reported quarter to ping pong ball sized hail at mile marker 85 on I-70.

Hail in SHERIDAN, KANSAS
From 21-JUN-20 14:05:00 to 21-JUN-20 14:17:00 (CST-6)
Location: HOXIE
Magnitude: 1.25 
Reported by: Public

Quarter to half dollar sized hail was ongoing at time of report with an estimated duration of 12 minutes as of call time. The caller also reported seeing a landspout tornado on the ground north of Hoxie.