Very humid air and above normal temperatures combined to produce extreme instability across the region during the afternoon and evening hours of July 11, 2020. Scattered thunderstorms developed across east central Kansas during the afternoon hours and spread slowly south and east across southeast Kansas through the late afternoon and early evening hours. Some of the storms produced very large hail around the size of softballs as well as numerous reports of damaging winds. The Oswego area experienced more widespread wind damage with estimated speeds around 90 mph with isolated higher gusts.

Hail in ALLEN, KANSAS
From 11-JUL-20 15:08:00 to 11-JUL-20 15:09:00 (CST-6)
Location: MILDRED
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in ALLEN, KANSAS
From 11-JUL-20 15:45:00 to 11-JUL-20 15:46:00 (CST-6)
Location: HUMBOLDT
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The report was relayed via Twitter.

Hail in ALLEN, KANSAS
From 11-JUL-20 15:48:00 to 11-JUL-20 15:49:00 (CST-6)
Location: HUMBOLDT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ALLEN, KANSAS
From 11-JUL-20 15:49:00 to 11-JUL-20 15:50:00 (CST-6)
Location: HUMBOLDT
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

The spotter was just outside the hail core.

Hail in NEOSHO, KANSAS
From 11-JUL-20 16:10:00 to 11-JUL-20 16:11:00 (CST-6)
Location: ERIE
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A total of 0.9 inches of rain also fell in 15 minutes.

Thunderstorm Wind in NEOSHO, KANSAS
From 11-JUL-20 16:15:00 to 11-JUL-20 16:16:00 (CST-6)
Location: ERIE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Penny sized hail was also reported with leaves falling from the trees.

Hail in NEOSHO, KANSAS
From 11-JUL-20 16:22:00 to 11-JUL-20 16:23:00 (CST-6)
Location: ERIE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Gusty winds were also reported with no damage.

Thunderstorm Wind in LABETTE, KANSAS
From 11-JUL-20 16:31:00 to 11-JUL-20 16:40:00 (CST-6)
Location: PARSONS
Magnitude: 61.00 EG
Reported by: Trained Spotter

Several large diameter tree limbs were downed.  A significant amount of tree damage was also noted in and around Parsons. Winds were estimated at around 70 mph.

Thunderstorm Wind in LABETTE, KANSAS
From 11-JUL-20 16:35:00 to 11-JUL-20 16:36:00 (CST-6)
Location: PARSONS
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A peak wind gust at a mesonet site on the north side of Parsons.

Hail in WILSON, KANSAS
From 11-JUL-20 16:48:00 to 11-JUL-20 16:49:00 (CST-6)
Location: BENEDICT
Magnitude: 2.00 
Reported by: Storm Chaser

Described as bigger than a golfball.

Hail in WILSON, KANSAS
From 11-JUL-20 16:48:00 to 11-JUL-20 16:49:00 (CST-6)
Location: BENEDICT
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Reported as slightly larger than quarters near Rest, KS.

Hail in WILSON, KANSAS
From 11-JUL-20 16:49:00 to 11-JUL-20 16:50:00 (CST-6)
Location: BENEDICT
Magnitude: 2.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

The size was estimated based on photos.

Hail in LABETTE, KANSAS
From 11-JUL-20 16:50:00 to 11-JUL-20 16:51:00 (CST-6)
Location: LABETTE
Magnitude: 1.50 
Reported by: Public

The report was received via Twitter.

Thunderstorm Wind in LABETTE, KANSAS
From 11-JUL-20 16:50:00 to 11-JUL-20 16:52:00 (CST-6)
Location: LABETTE
Magnitude: 65.00 EG
Reported by: Public

A significant amount of tree damage was noted and a hay shed was destroyed. The report is from Twitter.

Hail in WILSON, KANSAS
From 11-JUL-20 16:54:00 to 11-JUL-20 16:55:00 (CST-6)
Location: ALTOONA
Magnitude: 2.75 
Reported by: Trained Spotter

Damage to car windshields was noted with this hail storm.

Hail in NEOSHO, KANSAS
From 11-JUL-20 16:58:00 to 11-JUL-20 16:59:00 (CST-6)
Location: CHANUTE
Magnitude: 2.50 
Reported by: Public

Hail in WILSON, KANSAS
From 11-JUL-20 16:59:00 to 11-JUL-20 17:00:00 (CST-6)
Location: ALTOONA
Magnitude: 2.75 
Reported by: Trained Spotter

Windshields were being busted out.

Thunderstorm Wind in LABETTE, KANSAS
From 11-JUL-20 17:02:00 to 11-JUL-20 17:21:00 (CST-6)
Location: OSWEGO
Magnitude: 78.00 EG
Reported by: Trained Spotter

A significant amount of damage was reported along the path of this wet microburst as it moved southeast across the county from near Oswego to just south of Chetopa.  Wind speeds were generally around 75 mph, however, in and around the community of Oswego, enhanced bursts produced wind speeds of 90 mph and possibly bursts to near 100 mph causing widespread damage to the area and along the path.

Hail in WILSON, KANSAS
From 11-JUL-20 17:10:00 to 11-JUL-20 17:11:00 (CST-6)
Location: ALTOONA
Magnitude: 4.00 
Reported by: Public

Size estimated from a photo via Twitter.

Hail in LABETTE, KANSAS
From 11-JUL-20 17:18:00 to 11-JUL-20 17:19:00 (CST-6)
Location: CHETOPA
Magnitude: 2.00 
Reported by: Public

Report via Twitter.

Hail in LABETTE, KANSAS
From 11-JUL-20 17:25:00 to 11-JUL-20 17:26:00 (CST-6)
Location: DENNIS
Magnitude: 2.00 
Reported by: Storm Chaser

The report was relayed via Twitter.

Hail in LABETTE, KANSAS
From 11-JUL-20 17:38:00 to 11-JUL-20 17:39:00 (CST-6)
Location: DENNIS
Magnitude: 1.75 
Reported by: Trained Spotter

Winds were also estimated to be between 30 and 40 mph.

Hail in LABETTE, KANSAS
From 11-JUL-20 18:00:00 to 11-JUL-20 18:01:00 (CST-6)
Location: EDNA
Magnitude: 2.00 
Reported by: Public

Hail in ELK, KANSAS
From 11-JUL-20 18:08:00 to 11-JUL-20 18:09:00 (CST-6)
Location: LONGTON
Magnitude: 2.50 
Reported by: Broadcast Media

The picture was sent over from KAKE TV.  The image showed the hail being just slightly smaller than a baseball.

Hail in ELK, KANSAS
From 11-JUL-20 18:19:00 to 11-JUL-20 18:20:00 (CST-6)
Location: LONGTON
Magnitude: 1.50 
Reported by: Law Enforcement

Reported along highway 160 near the Montgomery and Elk county lines.

Hail in MONTGOMERY, KANSAS
From 11-JUL-20 18:27:00 to 11-JUL-20 18:28:00 (CST-6)
Location: ELK CITY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in ELK, KANSAS
From 11-JUL-20 18:29:00 to 11-JUL-20 18:30:00 (CST-6)
Location: ELK FALLS
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in ELK, KANSAS
From 11-JUL-20 18:44:00 to 11-JUL-20 18:45:00 (CST-6)
Location: ELK FALLS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in MONTGOMERY, KANSAS
From 11-JUL-20 19:12:00 to 11-JUL-20 19:13:00 (CST-6)
Location: HAVANA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement