On the afternoon of May 18, 2017 a large upper trough ejected into the plains and caused a widespread outbreak of severe weather across the states of Kansas and Missouri. While no tornadoes were reported with this activity, these storms produced numerous large hail stones and strong wind gusts. The largest hail stone reported this day in EAX's portion of Kansas was 2.75 inches in De Soto, Kansas. There were also several reports of strong winds in the 70 to 80 mph range, with mostly minor tree and structural damage as a result of these winds.

Hail in JOHNSON, KANSAS
From 18-MAY-17 19:35:00 to 18-MAY-17 19:36:00 (CST-6)
Location: OLATHE CEDAR PARK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LEAVENWORTH, KANSAS
From 18-MAY-17 19:18:00 to 18-MAY-17 19:18:00 (CST-6)
Location: RENO
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in JOHNSON, KANSAS
From 18-MAY-17 19:30:00 to 18-MAY-17 19:35:00 (CST-6)
Location: CLEARVIEW VLG
Magnitude: 2.85 
Reported by: Trained Spotter

Storm spotter reported 2.85 inch hail measured when it reached the ground. The hail did damage to the windshield of the vehicle. Most stones were in the golf ball to baseball range.

Hail in ATCHISON, KANSAS
From 18-MAY-17 19:31:00 to 18-MAY-17 19:33:00 (CST-6)
Location: EFFINGHAM
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in JOHNSON, KANSAS
From 18-MAY-17 19:36:00 to 18-MAY-17 19:37:00 (CST-6)
Location: DE SOTO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in JOHNSON, KANSAS
From 18-MAY-17 19:50:00 to 18-MAY-17 19:53:00 (CST-6)
Location: MONTICELLO
Magnitude: 1.75 
Reported by: Social Media

This report at 75th and Mize came from social media photo.

Hail in JOHNSON, KANSAS
From 18-MAY-17 19:45:00 to 18-MAY-17 19:46:00 (CST-6)
Location: MONTICELLO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LEAVENWORTH, KANSAS
From 18-MAY-17 19:48:00 to 18-MAY-17 19:48:00 (CST-6)
Location: JARBALO
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in WYANDOTTE, KANSAS
From 18-MAY-17 19:59:00 to 18-MAY-17 20:00:00 (CST-6)
Location: BONNER SPGS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in WYANDOTTE, KANSAS
From 18-MAY-17 20:00:00 to 18-MAY-17 20:03:00 (CST-6)
Location: WOLCOTT
Magnitude: 1.75 
Reported by: Public

Hail in WYANDOTTE, KANSAS
From 18-MAY-17 20:15:00 to 18-MAY-17 20:17:00 (CST-6)
Location: WOLCOTT
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Hail in WYANDOTTE, KANSAS
From 18-MAY-17 20:01:00 to 18-MAY-17 20:04:00 (CST-6)
Location: EDWARDSVILLE
Magnitude: 1.75 
Reported by: Public

This report was received via social media from 94th St and State Avenue.

Hail in WYANDOTTE, KANSAS
From 18-MAY-17 20:20:00 to 18-MAY-17 20:25:00 (CST-6)
Location: SUNFLOWER
Magnitude: 2.50 
Reported by: Public

Thunderstorm Wind in JOHNSON, KANSAS
From 18-MAY-17 21:03:00 to 18-MAY-17 21:06:00 (CST-6)
Location: DE SOTO
Magnitude: 56.00 EG
Reported by: Amateur Radio

A large tree was uprooted near Lexington and Ottawa Ave in De Soto.

Thunderstorm Wind in JOHNSON, KANSAS
From 18-MAY-17 21:08:00 to 18-MAY-17 21:11:00 (CST-6)
Location: SHAWNEE
Magnitude: 56.00 EG
Reported by: Emergency Manager

Numerous reports of tree damage from 71st and Pflumm to 49th and Nieman Road were reported to NWS from amateur radio and Emergency Management.

Thunderstorm Wind in JOHNSON, KANSAS
From 18-MAY-17 21:07:00 to 18-MAY-17 21:10:00 (CST-6)
Location: (IXD)JHNSN CO INDSL
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The ASOS in Gardner, Kansas (KIXD) reported a 59 mph wind gust.

Thunderstorm Wind in JOHNSON, KANSAS
From 18-MAY-17 21:09:00 to 18-MAY-17 21:12:00 (CST-6)
Location: MONTICELLO
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a 59 mph wind gust near Bonner Springs.

Thunderstorm Wind in JOHNSON, KANSAS
From 18-MAY-17 21:04:00 to 18-MAY-17 21:07:00 (CST-6)
Location: DE SOTO
Magnitude: 68.00 MG
Reported by: Trained Spotter

Several trees were reported uprooted in De Soto.