Tuesday July 19th was a very hot and humid day. Afternoon temperatures peaked in the mid to upper 80s, with dew points in the mid 70s. Thunderstorms fired up by late afternoon over southern Manitoba, Canada, and tracked southeast through northeast North Dakota and northwest Minnesota during the evening. These storms produced very large hail and strong winds.

Thunderstorm Wind in BELTRAMI, MINNESOTA
From 19-JUL-16 21:45:00 to 19-JUL-16 21:45:00 (CST-6)
Location: BEMIDJI
Magnitude: 52.00 EG
Reported by: Emergency Manager

A highway sign was blown down along highway 197.

Thunderstorm Wind in POLK, MINNESOTA
From 19-JUL-16 19:15:00 to 19-JUL-16 19:15:00 (CST-6)
Location: EAST GRAND FORKS
Magnitude: 50.00 MG
Reported by: Mesonet

The wind gust was measured by a personal weather station.

Thunderstorm Wind in POLK, MINNESOTA
From 19-JUL-16 19:25:00 to 19-JUL-16 19:25:00 (CST-6)
Location: MALLORY
Magnitude: 51.00 MG
Reported by: Mesonet

The wind gust was measured by a MNDOT RWIS station along highway 2.

Thunderstorm Wind in POLK, MINNESOTA
From 19-JUL-16 19:28:00 to 19-JUL-16 19:28:00 (CST-6)
Location: EAST GRAND FORKS
Magnitude: 52.00 EG
Reported by: Amateur Radio

Large branches were blown down at the state park in East Grand Forks.

Hail in POLK, MINNESOTA
From 19-JUL-16 19:29:00 to 19-JUL-16 19:29:00 (CST-6)
Location: EAST GRAND FORKS
Magnitude: 1.00 
Reported by: NWS Employee

The hail was mostly dime to nickel sized.

Funnel Cloud in POLK, MINNESOTA
From 19-JUL-16 19:54:00 to 19-JUL-16 19:54:00 (CST-6)
Location: EUCLID
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A funnel cloud was observed by a spotter who was located east-northeast of Crookston.

Thunderstorm Wind in BELTRAMI, MINNESOTA
From 19-JUL-16 20:20:00 to 19-JUL-16 20:20:00 (CST-6)
Location: PUPOSKY
Magnitude: 56.00 EG
Reported by: Amateur Radio

Trees were blown down near the intersection of Irvine and Arctic road.

Hail in BELTRAMI, MINNESOTA
From 19-JUL-16 20:45:00 to 19-JUL-16 20:45:00 (CST-6)
Location: PUPOSKY
Magnitude: 1.00 
Reported by: Law Enforcement

Thunderstorm Wind in BELTRAMI, MINNESOTA
From 19-JUL-16 21:18:00 to 19-JUL-16 21:18:00 (CST-6)
Location: NORTH POLE
Magnitude: 56.00 EG
Reported by: Amateur Radio

Widespread tree damage and power outages were reported across northern Bemidji.

Thunderstorm Wind in MARSHALL, MINNESOTA
From 19-JUL-16 18:35:00 to 19-JUL-16 18:35:00 (CST-6)
Location: OSLO
Magnitude: 78.00 EG
Reported by: NWS Storm Survey

Numerous trees were snapped or uprooted in Oslo and across southern Oak Park Township. Wind driven hail stripped several fields bare along and south of highway 1.

Hail in POLK, MINNESOTA
From 19-JUL-16 18:38:00 to 19-JUL-16 18:38:00 (CST-6)
Location: NORTHLAND
Magnitude: 2.50 
Reported by: NWS Storm Survey

Ping pong ball to tennis ball sized hail fell across northern Higdem Township.

Thunderstorm Wind in POLK, MINNESOTA
From 19-JUL-16 18:40:00 to 19-JUL-16 18:40:00 (CST-6)
Location: NORTHLAND
Magnitude: 78.00 EG
Reported by: NWS Storm Survey

Numerous trees were snapped or uprooted in shelterbelts and several fields were stripped by wind driven hail over northern and central Higdem Township.

Hail in BELTRAMI, MINNESOTA
From 19-JUL-16 19:30:00 to 19-JUL-16 19:30:00 (CST-6)
Location: DEBS
Magnitude: 1.25 
Reported by: Law Enforcement

Thunderstorm Wind in POLK, MINNESOTA
From 19-JUL-16 19:40:00 to 19-JUL-16 19:40:00 (CST-6)
Location: EUCLID
Magnitude: 52.00 EG
Reported by: NWS Storm Survey

A few large tree branches were blown down at a farmstead.

Hail in POLK, MINNESOTA
From 19-JUL-16 20:00:00 to 19-JUL-16 20:00:00 (CST-6)
Location: GULLY
Magnitude: 1.00 
Reported by: Park/Forest Service

A few dime to quarter sized hail fell and broken tree branches were reported near the Gully Wildlife Management Area.

Thunderstorm Wind in RED LAKE, MINNESOTA
From 19-JUL-16 20:10:00 to 19-JUL-16 20:10:00 (CST-6)
Location: RED LAKE FALLS
Magnitude: 78.00 EG
Reported by: Emergency Manager

Many large tree branches were blown down. Large sections of roofing were peeled off a warehouse on the south side of town.

Tornado in BELTRAMI, MINNESOTA
From 19-JUL-16 20:14:00 to 19-JUL-16 20:26:00 (CST-6)
Location: PUPOSKY
Tornado F-scale: EF1
Reported by: Emergency Manager

The tornado was partially wrapped in heavy rain and downburst winds. The tornado blew down or snapped several hundred trees along its path and one structure had shingles torn off its roof. Peak winds were estimated at 90 mph. The emergency manager conducted an initial damage survey which was reviewed and confirmed by the NWS.

Hail in BELTRAMI, MINNESOTA
From 19-JUL-16 20:15:00 to 19-JUL-16 20:15:00 (CST-6)
Location: NEBISH
Magnitude: 1.75 
Reported by: Emergency Manager

Large hail and torrential rain was followed by damaging winds.

Thunderstorm Wind in CLEARWATER, MINNESOTA
From 19-JUL-16 20:19:00 to 19-JUL-16 20:19:00 (CST-6)
Location: GONVICK
Magnitude: 56.00 EG
Reported by: NWS Storm Survey

Several large tree branches were blown down.

Thunderstorm Wind in BELTRAMI, MINNESOTA
From 19-JUL-16 21:50:00 to 19-JUL-16 21:50:00 (CST-6)
Location: PENNINGTON
Magnitude: 56.00 EG
Reported by: Public

A few trees were blown down on the north end of Cass Lake. A nearby RWIS mesonet station reported peak winds to 60 mph.

Tornado in POLK, MINNESOTA
From 19-JUL-16 19:55:00 to 19-JUL-16 19:58:00 (CST-6)
Location: EUCLID
Tornado F-scale: EF1
Reported by: NWS Storm Survey

The tornado began in Polk County, and tracked intermittently for about five miles to two miles southeast of Dorothy, in Red Lake County. The tornado blew down numerous large trees in shelterbelts, rolled a horse trailer, blew apart a calf shed, and blew down a hay shed. Peak winds were estimated at 90 mph.

Tornado in RED LAKE, MINNESOTA
From 19-JUL-16 19:58:00 to 19-JUL-16 20:10:00 (CST-6)
Location: DOROTHY
Tornado F-scale: EF1
Reported by: NWS Storm Survey

The tornado began in Polk County, and tracked intermittently for about five miles to two miles southeast of Dorothy, in Red Lake County. The tornado blew down numerous large trees in shelterbelts, rolled a horse trailer, blew apart a calf shed, and blew down a hay shed. Peak winds were estimated at 90 mph.

Hail in POLK, MINNESOTA
From 19-JUL-16 19:16:00 to 19-JUL-16 19:16:00 (CST-6)
Location: EAST GRAND FORKS
Magnitude: 0.75 
Reported by: Amateur Radio

Thunderstorm Wind in HUBBARD, MINNESOTA
From 19-JUL-16 21:50:00 to 19-JUL-16 21:50:00 (CST-6)
Location: LAPORTE
Magnitude: 56.00 EG
Reported by: Public

Several large tree limbs were blown down.