An intense storm system moved across the Upper Midwest on December 15th and produced a rare severe weather outbreak across southeast Minnesota. One person was killed near Rochester (Olmsted County) when a large tree fell on the victim. Twelve tornadoes occurred across parts of Mower, Fillmore, Houston, Dodge, Winona and Wabasha Counties. Eight of these tornadoes were rated EF1 with the others rated EF0.  The tornadoes largely moved through rural areas damaging trees, power lines and farm buildings with the exception of an EF0 tornado that moved through the eastern sections of Preston (Fillmore County) and and EF1 tornado that tracked across Homer (Winona County). In addition to the tornadoes, damaging winds occurred with several reports of wind speeds over 70 mph. The highest recorded wind gusts were 85 mph in Plainview (Wabasha County), 84 mph in Harmony (Fillmore County) and Mabel (Fillmore County) and 83 mph south of Grand Meadow (Mower County). A state of emergency was declared in Fillmore County. The Governor of Minnesota authorized emergency assistance for the following counties: Dodge, Fillmore, Houston, Mower, Olmsted and Wabasha.

Tornado in WINONA, MINNESOTA
From 15-DEC-21 20:10:00 to 15-DEC-21 20:11:00 (CST-6)
Location: WYATTVILLE
Tornado F-scale: EF0
Property damage: 95.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

This short-lived EF0 tornado moved over rural areas southeast of Lewiston. Farm outbuildings, a garage and trees were damaged by the tornado.

Tornado in WINONA, MINNESOTA
From 15-DEC-21 20:17:00 to 15-DEC-21 20:19:00 (CST-6)
Location: HOMER
Tornado F-scale: EF1
Property damage: 100.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

An EF1 tornado formed on a ridge top southwest of Homer, moved northeast across Homer before moving out over the Mississippi River and into Trempealeau County, Wisconsin. The main damage occurred on the ridge top to trees and outbuildings. By the time the tornado reached Homer, it was weakening and damage was mainly limited to trees.

Tornado in DODGE, MINNESOTA
From 15-DEC-21 19:50:00 to 15-DEC-21 19:51:00 (CST-6)
Location: WEST CONCORD
Tornado F-scale: EF1
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

An EF1 tornado formed in far northern Dodge County north of West Concord and then moved northeast into Goodhue County. Two farms along the path of the tornado sustained minor damage.

Tornado in WABASHA, MINNESOTA
From 15-DEC-21 20:03:00 to 15-DEC-21 20:07:00 (CST-6)
Location: PLAINVIEW
Tornado F-scale: EF1
Property damage: 65.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

An EF1 tornado developed southeast of Plainview and moved northeast across rural portions of southern Wabasha County. Farm outbuildings and trees were damaged along the path of the tornado.

Tornado in HOUSTON, MINNESOTA
From 15-DEC-21 20:06:00 to 15-DEC-21 20:11:00 (CST-6)
Location: PERKINS
Tornado F-scale: EF1
Property damage: 300.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

An EF1 tornado formed west of Houston and moved northeast, passing to the east of Money Creek before dissipating just before the Winona County line. Several farms along the Root River sustained damage from this tornado.

Tornado in FILLMORE, MINNESOTA
From 15-DEC-21 20:02:00 to 15-DEC-21 20:04:00 (CST-6)
Location: BRATSBERG
Tornado F-scale: EF1
Property damage: 95.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

This was the fifth tornado of the night in Fillmore County. This EF1 tornado formed south of Rushford and moved to the northeast before dissipating. The tornado destroyed some farm outbuildings and damaged trees along its path.

Tornado in FILLMORE, MINNESOTA
From 15-DEC-21 19:42:00 to 15-DEC-21 19:46:00 (CST-6)
Location: WASHINGTON
Tornado F-scale: EF0
Property damage: 265.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

This EF0 tornado moved across rural portions of northwest Fillmore County west of Chatfield. The tornado produced damage to several farm buildings and trees along its path.

Tornado in FILLMORE, MINNESOTA
From 15-DEC-21 19:48:00 to 15-DEC-21 19:49:00 (CST-6)
Location: PRESTON
Tornado F-scale: EF0
Property damage: 275.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

This was the second tornado of the night in Fillmore County. This narrow EF0 tornado moved across the eastern and northern parts of Preston. Houses, sheds, cars and trees were damaged along the path. The roofs of the fire department and city hall were both damaged.

Tornado in FILLMORE, MINNESOTA
From 15-DEC-21 19:51:00 to 15-DEC-21 19:53:00 (CST-6)
Location: PRESTON
Tornado F-scale: EF1
Property damage: 230.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

This was the third tornado of the night in Fillmore County. This EF1 tornado developed northeast of Preston and moved northeast for about 2 miles before dissipating. Farm outbuildings and trees were damaged along the path.

Tornado in MOWER, MINNESOTA
From 15-DEC-21 19:11:00 to 15-DEC-21 19:12:00 (CST-6)
Location: LYLE
Tornado F-scale: EF0
Property damage: 15.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

This tornado originally developed in Worth County, Iowa, moved into Freeborn County, Minnesota before crossing into Mower County west of Lyle. The tornado was only on the ground for about one minute in Mower County as it moved northeast and dissipated. One farm was damaged by the tornado, otherwise, damage was limited to trees.

Tornado in MOWER, MINNESOTA
From 15-DEC-21 19:37:00 to 15-DEC-21 19:40:00 (CST-6)
Location: RACINE
Tornado F-scale: EF1
Property damage: 210.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

This was the second tornado of the night across Mower County. This EF1 tornado formed south of Racine, moved northeast just missing the town and then dissipated northeast of Racine. This tornado lifted the roof off a home and destroyed some farm buildings.

Tornado in FILLMORE, MINNESOTA
From 15-DEC-21 20:01:00 to 15-DEC-21 20:02:00 (CST-6)
Location: ARENDAHL
Tornado F-scale: EF1
Property damage: 40.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

This was the fourth tornado of the night in Fillmore County. This EF1 tornado formed just south of the tiny town of Arendahl and was only on the ground for one minute as it moved rapidly northeast. The damage was limited to a large grove of trees northeast of Arendahl.

Thunderstorm Wind in MOWER, MINNESOTA
From 15-DEC-21 19:34:00 to 15-DEC-21 19:36:00 (CST-6)
Location: GRAND MEADOW
Magnitude: 56.00 EG
Property damage: 80.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

One side of a roof was blown off a large commercial building and trees were blown down in a path of wind damage southeast of Grand Meadow.

Thunderstorm Wind in OLMSTED, MINNESOTA
From 15-DEC-21 19:53:00 to 15-DEC-21 19:53:00 (CST-6)
Location: ROCHESTER
Magnitude: 54.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

One person was killed east of Rochester when a 40 foot pine tree was snapped off, fell and landed on the individual and his pickup truck.

Thunderstorm Wind in FILLMORE, MINNESOTA
From 15-DEC-21 20:02:00 to 15-DEC-21 20:02:00 (CST-6)
Location: ARENDAHL
Magnitude: 57.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Trees were blown down and snapped off east of Arendahl.

Thunderstorm Wind in MOWER, MINNESOTA
From 15-DEC-21 19:29:00 to 15-DEC-21 19:29:00 (CST-6)
Location: LE ROY
Magnitude: 51.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

An estimated 59 mph wind just occurred near Le Roy.

Thunderstorm Wind in MOWER, MINNESOTA
From 15-DEC-21 19:33:00 to 15-DEC-21 19:33:00 (CST-6)
Location: GRAND MEADOW
Magnitude: 72.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

An 83 mph wind gust was measured south of Grand Meadow.

Thunderstorm Wind in FILLMORE, MINNESOTA
From 15-DEC-21 19:58:00 to 15-DEC-21 19:58:00 (CST-6)
Location: MABEL
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A 63 mph wind gust was measured with a private weather station north of Mabel.

Thunderstorm Wind in MOWER, MINNESOTA
From 15-DEC-21 19:38:00 to 15-DEC-21 19:38:00 (CST-6)
Location: RACINE
Magnitude: 57.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Farm outbuildings were damaged northeast of Grand Meadow.

Thunderstorm Wind in WINONA, MINNESOTA
From 15-DEC-21 20:12:00 to 15-DEC-21 20:16:00 (CST-6)
Location: RIDGEWAY
Magnitude: 56.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A path of wind damage occurred from south of Ridgeway to near Interstate 90 east of Ridgeway. The roof was removed from a farm outbuilding and trees were uprooted and snapped off.

Thunderstorm Wind in MOWER, MINNESOTA
From 15-DEC-21 19:17:00 to 15-DEC-21 19:17:00 (CST-6)
Location: VARCO
Magnitude: 56.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The roof of a house was damaged and trees were snapped off southwest of Austin.

Thunderstorm Wind in MOWER, MINNESOTA
From 15-DEC-21 19:17:00 to 15-DEC-21 19:17:00 (CST-6)
Location: VARCO
Magnitude: 56.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Newspaper

Large trees were snapped off in a cemetery southwest of Austin.

Thunderstorm Wind in FILLMORE, MINNESOTA
From 15-DEC-21 19:38:00 to 15-DEC-21 19:38:00 (CST-6)
Location: SPRING VLY
Magnitude: 53.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Widespread power outages occurred in Spring Valley from downed power lines.

Thunderstorm Wind in FILLMORE, MINNESOTA
From 15-DEC-21 19:46:00 to 15-DEC-21 19:46:00 (CST-6)
Location: WASHINGTON
Magnitude: 57.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Wooden power poles were snapped north of Washington.

Thunderstorm Wind in OLMSTED, MINNESOTA
From 15-DEC-21 19:47:00 to 15-DEC-21 19:47:00 (CST-6)
Location: PLEASANT GROVE
Magnitude: 57.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

Trees were snapped off in Pleasant Grove.

Thunderstorm Wind in OLMSTED, MINNESOTA
From 15-DEC-21 19:49:00 to 15-DEC-21 19:49:00 (CST-6)
Location: CUMMINGSVILLE
Magnitude: 57.00 EG
Property damage: 80.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A large farm building was blown down southwest of Cummingsville.

Thunderstorm Wind in WABASHA, MINNESOTA
From 15-DEC-21 20:05:00 to 15-DEC-21 20:05:00 (CST-6)
Location: PLAINVIEW
Magnitude: 51.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A large pole shed was extensively damaged in Plainview.

Thunderstorm Wind in MOWER, MINNESOTA
From 15-DEC-21 19:17:00 to 15-DEC-21 19:17:00 (CST-6)
Location: VARCO
Magnitude: 56.00 EG
Property damage: 7.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The roof to a house sustained some damage and trees were blown down southwest of Austin.

Thunderstorm Wind in MOWER, MINNESOTA
From 15-DEC-21 19:32:00 to 15-DEC-21 19:32:00 (CST-6)
Location: DEXTER
Magnitude: 63.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A 73 mph wind gust was measured by a mesonet sensor just northeast of Dexter.

Thunderstorm Wind in OLMSTED, MINNESOTA
From 15-DEC-21 19:54:00 to 15-DEC-21 19:54:00 (CST-6)
Location: MARION
Magnitude: 56.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A barn was destroyed southwest of Eyota.

Thunderstorm Wind in WINONA, MINNESOTA
From 15-DEC-21 20:10:00 to 15-DEC-21 20:10:00 (CST-6)
Location: LEWISTON
Magnitude: 51.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Power outages occurred in Lewiston from downed power lines.

Thunderstorm Wind in WINONA, MINNESOTA
From 15-DEC-21 20:04:00 to 15-DEC-21 20:04:00 (CST-6)
Location: FREMONT
Magnitude: 57.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Large tree limbs were broke off south of Fremont.

Hail in WINONA, MINNESOTA
From 15-DEC-21 20:24:00 to 15-DEC-21 20:24:00 (CST-6)
Location: DAKOTA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in WINONA, MINNESOTA
From 15-DEC-21 20:14:00 to 15-DEC-21 20:14:00 (CST-6)
Location: STOCKTON
Magnitude: 51.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Farm outbuildings sustained wind damage near Stockton.

Thunderstorm Wind in WINONA, MINNESOTA
From 15-DEC-21 20:17:00 to 15-DEC-21 20:18:00 (CST-6)
Location: PICKWICK
Magnitude: 56.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A path of snapped off trees occurred near Pickwick.

Thunderstorm Wind in FILLMORE, MINNESOTA
From 15-DEC-21 19:45:00 to 15-DEC-21 19:45:00 (CST-6)
Location: WASHINGTON
Magnitude: 57.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Public

The walls of a farm outbuilding were blown out north of Washington.

Thunderstorm Wind in WINONA, MINNESOTA
From 15-DEC-21 20:06:00 to 15-DEC-21 20:07:00 (CST-6)
Location: HART
Magnitude: 53.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A path of wind damage occurred west of Hart where the roof was removed from a farm outbuilding, a metal pole shed was destroyed and siding removed from a house.

Thunderstorm Wind in WINONA, MINNESOTA
From 15-DEC-21 20:17:00 to 15-DEC-21 20:17:00 (CST-6)
Location: PICKWICK
Magnitude: 56.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Trees were snapped off in Pickwick.

Thunderstorm Wind in WINONA, MINNESOTA
From 15-DEC-21 20:11:00 to 15-DEC-21 20:11:00 (CST-6)
Location: THE ARCHES
Magnitude: 55.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: County Official

A house southeast of Lewiston sustained significant wind damage.

Thunderstorm Wind in WINONA, MINNESOTA
From 15-DEC-21 20:18:00 to 15-DEC-21 20:18:00 (CST-6)
Location: LAMOILLE
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Power outages were reported east of Pickwick from downed power lines.

Thunderstorm Wind in OLMSTED, MINNESOTA
From 15-DEC-21 19:51:00 to 15-DEC-21 19:51:00 (CST-6)
Location: MARION
Magnitude: 57.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Trees were snapped off southeast of Rochester.

Thunderstorm Wind in FILLMORE, MINNESOTA
From 15-DEC-21 20:00:00 to 15-DEC-21 20:00:00 (CST-6)
Location: PETERSON
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

Trees were blown down in Peterson.

Thunderstorm Wind in WINONA, MINNESOTA
From 15-DEC-21 20:12:00 to 15-DEC-21 20:12:00 (CST-6)
Location: WILSON
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Power poles were snapped southwest of Wilson.

Thunderstorm Wind in WINONA, MINNESOTA
From 15-DEC-21 20:12:00 to 15-DEC-21 20:13:00 (CST-6)
Location: RIDGEWAY
Magnitude: 57.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A path of wind damage occurred south of Ridgeway. The roof to a home was damaged and trees were snapped off.

Thunderstorm Wind in WINONA, MINNESOTA
From 15-DEC-21 20:11:00 to 15-DEC-21 20:11:00 (CST-6)
Location: THE ARCHES
Magnitude: 57.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Public

Two open air farm outbuildings were destroyed east of Lewiston.

Thunderstorm Wind in WINONA, MINNESOTA
From 15-DEC-21 20:16:00 to 15-DEC-21 20:16:00 (CST-6)
Location: RIDGEWAY
Magnitude: 57.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Trees were snapped off northeast of Ridgeway.

Thunderstorm Wind in WINONA, MINNESOTA
From 15-DEC-21 20:17:00 to 15-DEC-21 20:17:00 (CST-6)
Location: HOMER
Magnitude: 57.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Trees were snapped off southwest of Homer.

Thunderstorm Wind in WINONA, MINNESOTA
From 15-DEC-21 20:17:00 to 15-DEC-21 20:17:00 (CST-6)
Location: HOMER
Magnitude: 53.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Trees were snapped off and uprooted south of Homer.

Thunderstorm Wind in DODGE, MINNESOTA
From 15-DEC-21 19:45:00 to 15-DEC-21 19:45:00 (CST-6)
Location: KASSON
Magnitude: 63.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A 72 mph wind gust was measured by a mesonet station east of Kasson.

Thunderstorm Wind in OLMSTED, MINNESOTA
From 15-DEC-21 19:43:00 to 15-DEC-21 19:43:00 (CST-6)
Location: STEWARTVILLE
Magnitude: 55.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Widespread power outages occurred in Stewartville from downed power lines.

Funnel Cloud in FILLMORE, MINNESOTA
From 15-DEC-21 19:44:00 to 15-DEC-21 19:44:00 (CST-6)
Location: HARMONY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A funnel cloud was sighted near Harmony.

Thunderstorm Wind in MOWER, MINNESOTA
From 15-DEC-21 19:28:00 to 15-DEC-21 19:28:00 (CST-6)
Location: LE ROY
Magnitude: 52.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A barn was destroyed near Le Roy.

Thunderstorm Wind in FILLMORE, MINNESOTA
From 15-DEC-21 19:40:00 to 15-DEC-21 19:44:00 (CST-6)
Location: BRISTOL
Magnitude: 57.00 EG
Property damage: 90.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A path of wind damage was found near Bristol. An open air farm outbuilding was destroyed, the roof ripped off a large barn, trees and wooded electrical poles were snapped.

Thunderstorm Wind in DODGE, MINNESOTA
From 15-DEC-21 19:39:00 to 15-DEC-21 19:39:00 (CST-6)
Location: CLAREMONT
Magnitude: 43.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Road signs were damaged south of Claremont by strong winds.

Thunderstorm Wind in WABASHA, MINNESOTA
From 15-DEC-21 20:04:00 to 15-DEC-21 20:04:00 (CST-6)
Location: PLAINVIEW
Magnitude: 74.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

An 85 mph wind gust was measured by a private weather station in Plainview.

Thunderstorm Wind in MOWER, MINNESOTA
From 15-DEC-21 19:18:00 to 15-DEC-21 19:18:00 (CST-6)
Location: VARCO
Magnitude: 56.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Trees were blown down southwest of Austin.

Thunderstorm Wind in MOWER, MINNESOTA
From 15-DEC-21 19:29:00 to 15-DEC-21 19:29:00 (CST-6)
Location: ELKTON
Magnitude: 69.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

An estimated 79 mph wind gust occurred in Elkton.

Thunderstorm Wind in FILLMORE, MINNESOTA
From 15-DEC-21 20:01:00 to 15-DEC-21 20:01:00 (CST-6)
Location: ARENDAHL
Magnitude: 57.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Large trees were snapped in a cemetery near Arendahl.

Thunderstorm Wind in MOWER, MINNESOTA
From 15-DEC-21 19:40:00 to 15-DEC-21 19:40:00 (CST-6)
Location: RACINE
Magnitude: 51.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Newspaper

A metal pole shed was destroyed, trees were uprooted and large branches blown down in Racine.

Thunderstorm Wind in WABASHA, MINNESOTA
From 15-DEC-21 20:04:00 to 15-DEC-21 20:04:00 (CST-6)
Location: PLAINVIEW
Magnitude: 53.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The metal roof was partially removed from a pole shed east of Plainview.

Thunderstorm Wind in FILLMORE, MINNESOTA
From 15-DEC-21 19:40:00 to 15-DEC-21 19:40:00 (CST-6)
Location: GRANGER
Magnitude: 57.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Newspaper

An open air, metal outbuilding was destroyed north of Granger.

Thunderstorm Wind in DODGE, MINNESOTA
From 15-DEC-21 19:32:00 to 15-DEC-21 19:32:00 (CST-6)
Location: DODGE CENTER ARPT
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The automated weather observing equipment at the Dodge Center airport measured a 58 mph wind gust.

Thunderstorm Wind in OLMSTED, MINNESOTA
From 15-DEC-21 19:51:00 to 15-DEC-21 19:51:00 (CST-6)
Location: MARION
Magnitude: 57.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Several large pine trees were snapped off southeast of Rochester.

Thunderstorm Wind in MOWER, MINNESOTA
From 15-DEC-21 19:22:00 to 15-DEC-21 19:22:00 (CST-6)
Location: AUSTIN
Magnitude: 52.00 MG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: AWOS

The automated weather observing equipment at the Austin airport measured a wind gust of 60 mph. The winds blew down trees and power lines throughout Austin causing the entire city to lose power.

Thunderstorm Wind in MOWER, MINNESOTA
From 15-DEC-21 19:27:00 to 15-DEC-21 19:27:00 (CST-6)
Location: ADAMS
Magnitude: 51.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Public

Wind damage occurred to a barn and outbuilding near Adams.

Thunderstorm Wind in WINONA, MINNESOTA
From 15-DEC-21 20:14:00 to 15-DEC-21 20:14:00 (CST-6)
Location: WILSON
Magnitude: 50.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A semi was blown over on Interstate 90 near Wilson.

Thunderstorm Wind in FILLMORE, MINNESOTA
From 15-DEC-21 20:02:00 to 15-DEC-21 20:02:00 (CST-6)
Location: RUSHFORD
Magnitude: 57.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Large tree branches were broken southeast of Rushford.

Thunderstorm Wind in HOUSTON, MINNESOTA
From 15-DEC-21 20:05:00 to 15-DEC-21 20:05:00 (CST-6)
Location: PERKINS
Magnitude: 53.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Large tree branches were broken southwest of Money Creek.

Thunderstorm Wind in FILLMORE, MINNESOTA
From 15-DEC-21 19:44:00 to 15-DEC-21 19:47:00 (CST-6)
Location: HUTTON
Magnitude: 55.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A path of wind damage occurred south of Preston. Trees were blown down and roofs were removed from a couple of cattle barns.

Thunderstorm Wind in WABASHA, MINNESOTA
From 15-DEC-21 20:02:00 to 15-DEC-21 20:02:00 (CST-6)
Location: PLAINVIEW
Magnitude: 50.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A barn was destroyed southeast of Plainview.

Thunderstorm Wind in FILLMORE, MINNESOTA
From 15-DEC-21 20:02:00 to 15-DEC-21 20:04:00 (CST-6)
Location: RUSHFORD VLG
Magnitude: 57.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A path of wind damage occurred west of Rushford where trees were blown down, snapped and uprooted. A farm outbuilding was also damaged.

Thunderstorm Wind in OLMSTED, MINNESOTA
From 15-DEC-21 19:45:00 to 15-DEC-21 19:45:00 (CST-6)
Location: (RST)ROCHESTER MUNI
Magnitude: 67.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A 77 mph wind gust was measured by the automated weather observing equipment at the Rochester airport.

Thunderstorm Wind in OLMSTED, MINNESOTA
From 15-DEC-21 19:45:00 to 15-DEC-21 19:45:00 (CST-6)
Location: PLEASANT GROVE
Magnitude: 57.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

An open air farm outbuilding was destroyed and a quarter of the roof was removed from a barn east of Stewartville.

Thunderstorm Wind in OLMSTED, MINNESOTA
From 15-DEC-21 19:46:00 to 15-DEC-21 19:46:00 (CST-6)
Location: STEWARTVILLE
Magnitude: 57.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Trees were snapped off northeast of Stewartville.

Thunderstorm Wind in WABASHA, MINNESOTA
From 15-DEC-21 20:05:00 to 15-DEC-21 20:05:00 (CST-6)
Location: ELGIN
Magnitude: 52.00 EG
Property damage: 40.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A barn was destroyed northeast of Elgin.

Thunderstorm Wind in DODGE, MINNESOTA
From 15-DEC-21 19:40:00 to 15-DEC-21 19:40:00 (CST-6)
Location: KASSON
Magnitude: 52.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Public

Part of the roof was blown off a large livestock building south of Kasson.

Thunderstorm Wind in FILLMORE, MINNESOTA
From 15-DEC-21 19:45:00 to 15-DEC-21 19:45:00 (CST-6)
Location: HARMONY
Magnitude: 73.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

An 84 mph wind gust was measured in Harmony with a private weather station.

Thunderstorm Wind in HOUSTON, MINNESOTA
From 15-DEC-21 20:08:00 to 15-DEC-21 20:10:00 (CST-6)
Location: MONEY CREEK
Magnitude: 54.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A path of wind damage occurred west of Money Creek where large tree limbs were broken off.

Thunderstorm Wind in OLMSTED, MINNESOTA
From 15-DEC-21 19:51:00 to 15-DEC-21 19:51:00 (CST-6)
Location: ROCHESTER
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trees were blown down in Rochester from an estimated 60 mph wind gust. A resident on the southeast side of the city was trapped in a house when a large tree fell and blocked the exit to the house.

Thunderstorm Wind in DODGE, MINNESOTA
From 15-DEC-21 19:49:00 to 15-DEC-21 19:49:00 (CST-6)
Location: WEST CONCORD
Magnitude: 54.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Trees were blown down north of West Concord.

Thunderstorm Wind in FILLMORE, MINNESOTA
From 15-DEC-21 19:55:00 to 15-DEC-21 19:55:00 (CST-6)
Location: MABEL
Magnitude: 73.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

An 84 mph wind gust was measured in Mabel with a private weather station.

Thunderstorm Wind in WINONA, MINNESOTA
From 15-DEC-21 20:17:00 to 15-DEC-21 20:17:00 (CST-6)
Location: WINONA
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Newspaper

Trees and power poles were snapped off in Winona.