A line of severe thunderstorms moved across northeast Iowa during the afternoon of June 30th. These storms primarily produced damaging winds with trees and power lines blown down from near Osage (Mitchell County) southeast to near Strawberry Point (Clayton County). Lots of trees and power lines were blown down across much of Winneshiek County, the southern half of Allamakee County and the northern sections of Fayette County. A 65 mph wind gust occurred near Fredericksburg (Chickasaw County).

Thunderstorm Wind in CHICKASAW, IOWA
From 30-JUN-19 15:05:00 to 30-JUN-19 15:05:00 (CST-6)
Location: BASSETT
Magnitude: 40.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Some shingles were blown off a building.

Thunderstorm Wind in CHICKASAW, IOWA
From 30-JUN-19 15:05:00 to 30-JUN-19 15:05:00 (CST-6)
Location: NEW HAMPTON
Magnitude: 45.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Tree branches were snapped in New Hampton.

Thunderstorm Wind in CHICKASAW, IOWA
From 30-JUN-19 15:17:00 to 30-JUN-19 15:17:00 (CST-6)
Location: FREDRICKSBURG
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A 65 mph wind gust was measured by a private weather station just east of Fredericksburg.

Thunderstorm Wind in WINNESHIEK, IOWA
From 30-JUN-19 15:09:00 to 30-JUN-19 15:09:00 (CST-6)
Location: CALMAR
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

A large tree was snapped in Calmar.

Thunderstorm Wind in CLAYTON, IOWA
From 30-JUN-19 15:24:00 to 30-JUN-19 15:24:00 (CST-6)
Location: MONONA
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were blown down in Monona.

Thunderstorm Wind in CLAYTON, IOWA
From 30-JUN-19 15:29:00 to 30-JUN-19 15:29:00 (CST-6)
Location: MARQUETTE
Magnitude: 45.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

A tree was blown down on State Highway 76 between Marquette and Effigy Mounds National Monument.

Thunderstorm Wind in WINNESHIEK, IOWA
From 30-JUN-19 15:28:00 to 30-JUN-19 15:28:00 (CST-6)
Location: OSSIAN
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Lots of trees were blown down across the entire county.

Thunderstorm Wind in ALLAMAKEE, IOWA
From 30-JUN-19 15:20:00 to 30-JUN-19 15:20:00 (CST-6)
Location: WAUKON
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Lots of trees and power lines were blown down across the northern part of the county.

Thunderstorm Wind in FAYETTE, IOWA
From 30-JUN-19 15:33:00 to 30-JUN-19 15:33:00 (CST-6)
Location: RANDALIA
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Some trees and power lines were blown down across the northern part of the county, including in Randalia.

Thunderstorm Wind in CLAYTON, IOWA
From 30-JUN-19 15:41:00 to 30-JUN-19 15:41:00 (CST-6)
Location: GUNDER
Magnitude: 56.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

Trees were blown down west of Farmersburg.

Thunderstorm Wind in CLAYTON, IOWA
From 30-JUN-19 15:46:00 to 30-JUN-19 15:46:00 (CST-6)
Location: GARNAVILLO
Magnitude: 54.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were blown down near Garnavillo.

Thunderstorm Wind in CLAYTON, IOWA
From 30-JUN-19 15:53:00 to 30-JUN-19 15:53:00 (CST-6)
Location: STRAWBERRY PT
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

An estimated 60 mph wind gust snapped off a tree just west of Strawberry Point.

Thunderstorm Wind in FAYETTE, IOWA
From 30-JUN-19 15:56:00 to 30-JUN-19 15:56:00 (CST-6)
Location: STANLEY
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A tree, between 12 and 24 inches in diameter, was snapped off east of Oelwein.

Thunderstorm Wind in FAYETTE, IOWA
From 30-JUN-19 15:34:00 to 30-JUN-19 15:34:00 (CST-6)
Location: RANDALIA
Magnitude: 59.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

A large metal building sustained severe roof damage near Randalia. Boards from the damaged building were driven into a nearby shed.

Thunderstorm Wind in FLOYD, IOWA
From 30-JUN-19 15:44:00 to 30-JUN-19 15:44:00 (CST-6)
Location: CHARLES CITY ARPT
Magnitude: 35.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A tree limb was blown down onto a house east of Charles City.

Thunderstorm Wind in FAYETTE, IOWA
From 30-JUN-19 15:52:00 to 30-JUN-19 15:52:00 (CST-6)
Location: OELWEIN
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous power lines and tree branches were blown down in Oelwein, especially on the northeast side of town.

Thunderstorm Wind in MITCHELL, IOWA
From 30-JUN-19 14:48:00 to 30-JUN-19 14:48:00 (CST-6)
Location: OSAGE
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were blown down north of Osage.

Thunderstorm Wind in HOWARD, IOWA
From 30-JUN-19 14:50:00 to 30-JUN-19 14:50:00 (CST-6)
Location: CRESCO MUNI ARPT
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were blown down in Cresco.

Thunderstorm Wind in HOWARD, IOWA
From 30-JUN-19 14:50:00 to 30-JUN-19 14:50:00 (CST-6)
Location: DAVIS CORNERS
Magnitude: 45.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Trees were blown down south of Davis Corners and a roof was blown off of a unknown building type.