A cluster of supercell thunderstorms moved through the region beginning on the evening of June 14 and continuing into the early morning hours of June 15. The storms produced widespread wind gusts of 75 to 115 mph, hail 1 to 3 inches in diameter, and two EF1 tornadoes. Minor flooding was also reported in Omaha. The storms caused widespread tree damage, and some structural damage to homes and businesses.

Thunderstorm Wind in MILLS, IOWA
From 14-JUN-22 23:18:00 to 14-JUN-22 23:18:00 (CST-6)
Location: SILVER CITY
Magnitude: 78.00 EG
Reported by: Public

Public reported estimated wind gusts of 90 mph.

Thunderstorm Wind in POTTAWATTAMIE, IOWA
From 14-JUN-22 23:27:00 to 14-JUN-22 23:27:00 (CST-6)
Location: MACEDONIA
Magnitude: 70.00 EG
Reported by: Public

Public reported substantial damage to a farmstead. Grain bins were destroyed. Outbuildings blown off of foundation.

Hail in POTTAWATTAMIE, IOWA
From 14-JUN-22 23:35:00 to 14-JUN-22 23:35:00 (CST-6)
Location: MACEDONIA
Magnitude: 1.00 
Reported by: Social Media

Public reported 1-inch hail via social media.

Thunderstorm Wind in MONTGOMERY, IOWA
From 14-JUN-22 23:46:00 to 14-JUN-22 23:46:00 (CST-6)
Location: ELLIOTT
Magnitude: 61.00 EG
Reported by: Emergency Manager

Emergency manager reported estimated wind gusts of 70 mph.

Thunderstorm Wind in MONTGOMERY, IOWA
From 14-JUN-22 23:40:00 to 14-JUN-22 23:40:00 (CST-6)
Location: WALES
Magnitude: 61.00 EG
Reported by: Emergency Manager

Emergency management reported estimated wind gusts of 70 mph.

Thunderstorm Wind in POTTAWATTAMIE, IOWA
From 14-JUN-22 23:35:00 to 14-JUN-22 23:35:00 (CST-6)
Location: MACEDONIA
Magnitude: 65.00 EG
Reported by: Public

Public reported large trees down in Wheeler Grove township.

Thunderstorm Wind in POTTAWATTAMIE, IOWA
From 14-JUN-22 23:40:00 to 14-JUN-22 23:40:00 (CST-6)
Location: CARSON
Magnitude: 70.00 EG
Reported by: Emergency Manager

Emergency manager reported power lines down and power out in town. There was structural damage to one business with debris in the streets.

Thunderstorm Wind in MILLS, IOWA
From 14-JUN-22 23:12:00 to 14-JUN-22 23:12:00 (CST-6)
Location: GLENWOOD
Magnitude: 65.00 EG
Reported by: Public

Public reported power lines down and power out in Glenwood.

Thunderstorm Wind in POTTAWATTAMIE, IOWA
From 14-JUN-22 23:25:00 to 14-JUN-22 23:25:00 (CST-6)
Location: TREYNOR
Magnitude: 70.00 EG
Reported by: Emergency Manager

Emergency manager reported 8 to 10 large trees snapped and significant damage to a home and outbuilding.

Hail in MILLS, IOWA
From 14-JUN-22 20:20:00 to 14-JUN-22 20:20:00 (CST-6)
Location: HENDERSON
Magnitude: 1.25 
Reported by: Broadcast Media

Broadcast media relayed a report of larger than quarter sized hail.

Thunderstorm Wind in MILLS, IOWA
From 14-JUN-22 23:10:00 to 14-JUN-22 23:10:00 (CST-6)
Location: MINEOLA
Magnitude: 56.00 MG
Reported by: Mesonet

Personal weather station measured a peak wind gust of 65 mph.

Thunderstorm Wind in POTTAWATTAMIE, IOWA
From 14-JUN-22 23:16:00 to 14-JUN-22 23:16:00 (CST-6)
Location: CHAUTAUQUA
Magnitude: 65.00 MG
Reported by: AWOS

Council Bluffs AWOS measured a peak wind gust of 75 mph.

Tornado in POTTAWATTAMIE, IOWA
From 14-JUN-22 23:18:00 to 14-JUN-22 23:19:00 (CST-6)
Location: TREYNOR
Tornado F-scale: EF0
Reported by: NWS Storm Survey

Intermittent tornado began approximately 3 S Treynor. Ended 3 SE of Treynor. Tornado travelled mainly across crop and pastureland. Struck winery, destroying event center. Peripheral damage to trees and vines.