Low pressure developed and strengthened over portions of central Nebraska and eastern Kansas through the day.  The warm front moved up into southern Minnesota while the weakening cold front existed over eastern Nebraska, leaving much of Iowa within the unstable warm sector.  Storms developed through the day along and near the warm sector, within the warm sector, and along the cold front.  Storms during the morning and early afternoon remained sub-severe, with storms mid-afternoon onward primarily producing damaging winds and heavy rainfall.  A brief tornado was reported in Bremer county.

Thunderstorm Wind in EMMET, IOWA
From 14-JUN-16 14:11:00 to 14-JUN-16 14:11:00 (CST-6)
Location: ESTHERVILLE ARPT
Magnitude: 63.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Estherville airport ASOS recorded 73 mph wind gust.  It also recorded a 60 mph wind gust 1 minute after as well.

Thunderstorm Wind in POCAHONTAS, IOWA
From 14-JUN-16 14:30:00 to 14-JUN-16 14:30:00 (CST-6)
Location: ROLFE
Magnitude: 65.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter reported a moderately sized cattle shed was destroyed along with tree branches down around the homestead.  A grain bin was also blown a half-mile into a nearby field.  Another shed was badly damaged at a nearby homestead.

Thunderstorm Wind in KOSSUTH, IOWA
From 14-JUN-16 14:45:00 to 14-JUN-16 14:45:00 (CST-6)
Location: ALGONA MUNI ARPT
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Algona AWOS reported a 58 mph wind gust.

Thunderstorm Wind in BREMER, IOWA
From 14-JUN-16 17:55:00 to 14-JUN-16 17:55:00 (CST-6)
Location: BREMER
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency Manager reported roof of cattle barn peeled off.

Thunderstorm Wind in BREMER, IOWA
From 14-JUN-16 18:07:00 to 14-JUN-16 18:07:00 (CST-6)
Location: SUMNER
Magnitude: 61.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency Manager reported grain bin blown into large liquid propane tank on west side of Sumner.

Flash Flood in CERRO GORDO, IOWA
From 14-JUN-16 18:45:00 to 14-JUN-16 19:30:00 (CST-6)
Location: PORTLAND
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law Enforcement reported water flowing pretty good over 260th street between Ulmus Ave and Thrush Ave.  Water was deep enough for the Sheriff to put up barricades.

Thunderstorm Wind in DALLAS, IOWA
From 14-JUN-16 18:50:00 to 14-JUN-16 18:50:00 (CST-6)
Location: DALLAS CENTER ARPT
Magnitude: 56.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Fire department reported 6 inch diameter tree snapped off along with corn flattened in the vicinity.

Thunderstorm Wind in HANCOCK, IOWA
From 14-JUN-16 16:06:00 to 14-JUN-16 16:06:00 (CST-6)
Location: BRITT
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Social Media

Public reported via social media four inch tree limbs broken in town.

Thunderstorm Wind in GREENE, IOWA
From 14-JUN-16 16:50:00 to 14-JUN-16 16:50:00 (CST-6)
Location: SCRANTON
Magnitude: 56.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law Enforcement reported a large tree down in Scranton.

Thunderstorm Wind in GREENE, IOWA
From 14-JUN-16 17:32:00 to 14-JUN-16 17:32:00 (CST-6)
Location: GRAND JCT
Magnitude: 56.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law Enforcement reported trees down in Grand Junction.

Thunderstorm Wind in GREENE, IOWA
From 14-JUN-16 17:52:00 to 14-JUN-16 17:52:00 (CST-6)
Location: JEFFERSON
Magnitude: 56.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law Enforcement reported large trees down in Jefferson.  Skid loaders out removing debris.

Thunderstorm Wind in DALLAS, IOWA
From 14-JUN-16 19:10:00 to 14-JUN-16 19:10:00 (CST-6)
Location: DALLAS CENTER
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter reported sustained winds around 35 mph with peak gusts around 60 mph.  No known damage at the time.

Thunderstorm Wind in POCAHONTAS, IOWA
From 14-JUN-16 14:34:00 to 14-JUN-16 14:34:00 (CST-6)
Location: ROLFE
Magnitude: 56.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter reported several large limbs down and trees split in half.  The diameter of some trees were around 24 inches.

Thunderstorm Wind in BREMER, IOWA
From 14-JUN-16 15:13:00 to 14-JUN-16 15:13:00 (CST-6)
Location: PLAINFIELD
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Public reported trees and power lines damaged in town.  Reported by NWS employee.  Time estimated by radar.

Thunderstorm Wind in GREENE, IOWA
From 14-JUN-16 16:58:00 to 14-JUN-16 16:58:00 (CST-6)
Location: JEFFERSON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter estimated 60 mph wind gusts.  No damage noted at the time.

Heavy Rain in CERRO GORDO, IOWA
From 14-JUN-16 11:45:00 to 14-JUN-16 17:58:00 (CST-6)
Location: FREEMAN
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Amateur radio operator reported heavy rainfall of 2.00 inches so far.

Flash Flood in CERRO GORDO, IOWA
From 14-JUN-16 18:15:00 to 14-JUN-16 19:30:00 (CST-6)
Location: PORTLAND
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law Enforcement reported water flowing over the road at near 260th and 265th and Yarrow Ave.

Flood in BUTLER, IOWA
From 15-JUN-16 03:12:00 to 15-JUN-16 11:50:00 (CST-6)
Location: GREENE
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Emergency Manager reported the Shell Rock River was out of its banks in the town of Greene, and was entering a campgroud and near a few business in town. Campers were evacuated from the campground. The park was flooded, and the water did not enter any businesses.