Severe thunderstorms associated with warm frontal boundary.

Hail in STEVENS, MINNESOTA
From 10-AUG-07 23:49:00 to 10-AUG-07 23:49:00 (CST-6)
Location: MORRIS
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in WRIGHT, MINNESOTA
From 11-AUG-07 17:49:00 to 11-AUG-07 17:57:00 (CST-6)
Location: BUFFALO
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MCLEOD, MINNESOTA
From 11-AUG-07 17:55:00 to 11-AUG-07 17:55:00 (CST-6)
Location: WINSTED
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MCLEOD, MINNESOTA
From 11-AUG-07 18:07:00 to 11-AUG-07 18:07:00 (CST-6)
Location: WINSTED
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CARVER, MINNESOTA
From 11-AUG-07 18:28:00 to 11-AUG-07 18:36:00 (CST-6)
Location: WATERTOWN
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DAKOTA, MINNESOTA
From 11-AUG-07 19:01:00 to 11-AUG-07 19:06:00 (CST-6)
Location: INVER GROVE HEIGHTS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A broadcast meteorologist reported hail near Highway 52 and 70th.

Hail in CARVER, MINNESOTA
From 11-AUG-07 19:07:00 to 11-AUG-07 19:07:00 (CST-6)
Location: CHASKA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Reported at Highway 41 and Pioneer Trail.

Hail in DOUGLAS, MINNESOTA
From 11-AUG-07 00:20:00 to 11-AUG-07 00:20:00 (CST-6)
Location: CARLOS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Thunderstorm Wind in DOUGLAS, MINNESOTA
From 11-AUG-07 00:20:00 to 11-AUG-07 00:20:00 (CST-6)
Location: CARLOS
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Trees down.

Thunderstorm Wind in CHIPPEWA, MINNESOTA
From 11-AUG-07 00:30:00 to 11-AUG-07 00:30:00 (CST-6)
Location: MONTEVIDEO
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Tree down.

Thunderstorm Wind in HENNEPIN, MINNESOTA
From 11-AUG-07 02:25:00 to 11-AUG-07 02:25:00 (CST-6)
Location: MINNEAPOLIS
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Tree toppled onto a house in the southern part of Minneapolis. Many neighborhood trees also lost limbs or were toppled, with some on vehicles.

Thunderstorm Wind in WASHINGTON, MINNESOTA
From 11-AUG-07 02:45:00 to 11-AUG-07 02:45:00 (CST-6)
Location: FOREST LAKE
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Many large trees down around school.

Thunderstorm Wind in WASECA, MINNESOTA
From 11-AUG-07 21:15:00 to 11-AUG-07 21:15:00 (CST-6)
Location: WASECA
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous reports of 12 to 18 inch diameter trees downed.

Thunderstorm Wind in DOUGLAS, MINNESOTA
From 11-AUG-07 00:22:00 to 11-AUG-07 00:37:00 (CST-6)
Location: (AXN)CHNDLR FLD ALXN
Magnitude: 70.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A maximum gust of 70 knots was measured by ASOS at 0025 CST. A 64 knot gust had also been measured at 0022 CST, and a 63 knot wind was measured at 0037 CST. Numerous trees were felled in Alexandria, with some on houses and vehicles. The MNDOT road weather sensor three miles southeast of KAXN measured 56 knots at 0032 CST.

Thunderstorm Wind in HENNEPIN, MINNESOTA
From 11-AUG-07 02:20:00 to 11-AUG-07 02:20:00 (CST-6)
Location: FLYING CLOUD ARPT
Magnitude: 61.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Some planes were upended. Numerous trees down near the airport, as well as several large tree branches down along Anderson Lakes Parkway in Eden Prairie. A large pine tree was uprooted on Buckingham Drive just southeast of the airport.

Thunderstorm Wind in HENNEPIN, MINNESOTA
From 11-AUG-07 02:32:00 to 11-AUG-07 02:32:00 (CST-6)
Location: MSP INTL ARPT
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in STEELE, MINNESOTA
From 11-AUG-07 21:43:00 to 11-AUG-07 21:43:00 (CST-6)
Location: OWATONNA
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Measured by MNDOT sensor along Interstate 35. Numerous trees in the area were toppled.

Thunderstorm Wind in WRIGHT, MINNESOTA
From 11-AUG-07 01:50:00 to 11-AUG-07 01:50:00 (CST-6)
Location: WAVERLY
Magnitude: 57.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Barn roof collapsed.

Thunderstorm Wind in CARVER, MINNESOTA
From 11-AUG-07 02:10:00 to 11-AUG-07 02:10:00 (CST-6)
Location: VICTORIA
Magnitude: 54.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Dozens of trees felled in the Lake Schutz area. Some trees fell on houses and sheds.

Hail in WRIGHT, MINNESOTA
From 11-AUG-07 18:05:00 to 11-AUG-07 18:05:00 (CST-6)
Location: BUFFALO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in SCOTT, MINNESOTA
From 11-AUG-07 19:17:00 to 11-AUG-07 19:17:00 (CST-6)
Location: LYDIA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in SCOTT, MINNESOTA
From 11-AUG-07 19:20:00 to 11-AUG-07 19:20:00 (CST-6)
Location: SHAKOPEE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WASHINGTON, MINNESOTA
From 11-AUG-07 19:21:00 to 11-AUG-07 19:21:00 (CST-6)
Location: NEWPORT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail fell in St. Paul Park.

Hail in SCOTT, MINNESOTA
From 11-AUG-07 19:26:00 to 11-AUG-07 19:31:00 (CST-6)
Location: PRIOR LAKE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Occurred at Highway 13 and County Road 44, and also at the intersections of County Roads 21 and 42.

Hail in DAKOTA, MINNESOTA
From 11-AUG-07 19:38:00 to 11-AUG-07 19:43:00 (CST-6)
Location: LAKEVILLE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

At I-35W and County Road 5.

Hail in GOODHUE, MINNESOTA
From 11-AUG-07 20:00:00 to 11-AUG-07 20:00:00 (CST-6)
Location: WELCH
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in GOODHUE, MINNESOTA
From 11-AUG-07 20:12:00 to 11-AUG-07 20:12:00 (CST-6)
Location: KENYON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WASECA, MINNESOTA
From 11-AUG-07 21:16:00 to 11-AUG-07 21:16:00 (CST-6)
Location: WASECA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in TODD, MINNESOTA
From 11-AUG-07 00:30:00 to 11-AUG-07 00:30:00 (CST-6)
Location: WEST UNION
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Large trees blown down on house causing damage. Several other trees also toppled.

Thunderstorm Wind in STEARNS, MINNESOTA
From 11-AUG-07 01:00:00 to 11-AUG-07 01:00:00 (CST-6)
Location: RICHMOND
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees down. Light poles down. Sheds blown down.  A boat and a dock were blown across Highway 23.  Overturned pontoons in Richmond Marine.

Thunderstorm Wind in KANDIYOHI, MINNESOTA
From 11-AUG-07 01:15:00 to 11-AUG-07 01:15:00 (CST-6)
Location: PRINSBURG
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Roof ripped off of a building. Two trees down. Power lines down.

Thunderstorm Wind in CARVER, MINNESOTA
From 11-AUG-07 02:15:00 to 11-AUG-07 02:15:00 (CST-6)
Location: CHASKA
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Tree down.

Thunderstorm Wind in CARVER, MINNESOTA
From 11-AUG-07 02:15:00 to 11-AUG-07 02:15:00 (CST-6)
Location: CHANHASSEN
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Six inch diameter branch down near Audobon Road and Highway 5.

Flash Flood in HENNEPIN, MINNESOTA
From 11-AUG-07 03:10:00 to 11-AUG-07 05:40:00 (CST-6)
Location: EDEN PRAIRIE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Some underpasses and ramps flooded along Highway 62, from Interstate 494 to Interstate 35W.

Thunderstorm Wind in FREEBORN, MINNESOTA
From 11-AUG-07 22:34:00 to 11-AUG-07 22:34:00 (CST-6)
Location: ALBERT LEA
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Three to six inch tree limbs downed.

Hail in FREEBORN, MINNESOTA
From 11-AUG-07 22:34:00 to 11-AUG-07 22:34:00 (CST-6)
Location: ALBERT LEA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Reported on west side of town.

Thunderstorm Wind in STEARNS, MINNESOTA
From 11-AUG-07 00:30:00 to 11-AUG-07 00:30:00 (CST-6)
Location: SAUK CENTRE
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Semi-trailer trucks blown over on Interstate 94. Roof off two buildings at car dealership, garage door blown out, softball bleacher tossed, large trees uprooted, silo collapsed onto barn.

Thunderstorm Wind in MCLEOD, MINNESOTA
From 11-AUG-07 01:45:00 to 11-AUG-07 01:45:00 (CST-6)
Location: HUTCHINSON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Large tree down.

Thunderstorm Wind in WRIGHT, MINNESOTA
From 11-AUG-07 17:34:00 to 11-AUG-07 17:34:00 (CST-6)
Location: COKATO
Magnitude: 58.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Amateur radio spotters report power lines downed by strong winds in the Howard Lake and Cokato areas.

Hail in DOUGLAS, MINNESOTA
From 10-AUG-07 23:15:00 to 10-AUG-07 23:15:00 (CST-6)
Location: MILLERVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Four inch branches were down along with scattered lawn furniture.

Hail in STEARNS, MINNESOTA
From 11-AUG-07 00:05:00 to 11-AUG-07 00:05:00 (CST-6)
Location: BELGRADE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in STEARNS, MINNESOTA
From 11-AUG-07 00:05:00 to 11-AUG-07 00:05:00 (CST-6)
Location: BELGRADE
Magnitude: 54.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Six to eight inch diameter tree limbs severed.

Thunderstorm Wind in WRIGHT, MINNESOTA
From 11-AUG-07 01:45:00 to 11-AUG-07 01:45:00 (CST-6)
Location: HOWARD LAKE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Very large tree toppled over a roadway.

Hail in DOUGLAS, MINNESOTA
From 10-AUG-07 23:30:00 to 10-AUG-07 23:30:00 (CST-6)
Location: CARLOS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail was reported at Lake Carlos State Park.

Thunderstorm Wind in SWIFT, MINNESOTA
From 11-AUG-07 00:00:00 to 11-AUG-07 00:00:00 (CST-6)
Location: APPLETON ARPT
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Thunderstorm Wind in POPE, MINNESOTA
From 11-AUG-07 00:16:00 to 11-AUG-07 00:16:00 (CST-6)
Location: GLENWOOD ARPT
Magnitude: 65.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Thunderstorm Wind in RAMSEY, MINNESOTA
From 11-AUG-07 02:30:00 to 11-AUG-07 02:43:00 (CST-6)
Location: FALCON HGTS
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A long and wide swath of damaging wind extended from just west of the Minnesota State Fair grounds in Falcon Heights to the northeastern corner of the city of St Paul. Approximately 4000 trees were felled.  Affected neighborhoods were St. Anthony, Como and Phalen.  The worst damage was in the Como Park area, where many trees fell on houses, vehicles, sheds and garages. One tree crashed into a house and destroyed it. One man was injured when a window blew in on him. At the State Fair, part of the grandstand roof was torn off, and roofs were also torn off some exhibition buildings.  Dozens of vendor booths were blown around, with many severely damaged.  The damage was oriented from west to east. At one point shortly after the storm, XCEL Energy reported over 250,000 outages across the Minneapolis-St. Paul region.

Thunderstorm Wind in GOODHUE, MINNESOTA
From 11-AUG-07 03:38:00 to 11-AUG-07 03:38:00 (CST-6)
Location: WANAMINGO
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Three inch branches down.

Hail in CARVER, MINNESOTA
From 11-AUG-07 18:34:00 to 11-AUG-07 18:34:00 (CST-6)
Location: WATERTOWN
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in SCOTT, MINNESOTA
From 11-AUG-07 19:11:00 to 11-AUG-07 19:11:00 (CST-6)
Location: JORDAN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in LE SUEUR, MINNESOTA
From 11-AUG-07 19:54:00 to 11-AUG-07 19:54:00 (CST-6)
Location: OTTAWA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Tree down.

Thunderstorm Wind in RICE, MINNESOTA
From 11-AUG-07 19:45:00 to 11-AUG-07 19:45:00 (CST-6)
Location: NORTHFIELD
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Light pole and power lines knocked down.

Thunderstorm Wind in GOODHUE, MINNESOTA
From 11-AUG-07 20:12:00 to 11-AUG-07 20:12:00 (CST-6)
Location: KENYON
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Downed power lines.

Thunderstorm Wind in ISANTI, MINNESOTA
From 11-AUG-07 20:15:00 to 11-AUG-07 20:15:00 (CST-6)
Location: BODUM
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Tree blown down. Reported in North Branch Township.

Hail in WASECA, MINNESOTA
From 11-AUG-07 21:18:00 to 11-AUG-07 21:18:00 (CST-6)
Location: WASECA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in STEELE, MINNESOTA
From 11-AUG-07 21:21:00 to 11-AUG-07 21:21:00 (CST-6)
Location: OWATONNA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Reported near the Steele/Waseca county line.

Thunderstorm Wind in FREEBORN, MINNESOTA
From 11-AUG-07 22:30:00 to 11-AUG-07 22:30:00 (CST-6)
Location: ALBERT LEA
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

As measured by KATE radio.

Thunderstorm Wind in HENNEPIN, MINNESOTA
From 11-AUG-07 02:05:00 to 11-AUG-07 02:05:00 (CST-6)
Location: ST BONIFACIUS
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Two homes had garage doors blown out. One house under construction destroyed. Nearby homes with siding and boards blown off. This debris  penetrated nearby garages. Damage area called Huntercrest development.

Thunderstorm Wind in MCLEOD, MINNESOTA
From 11-AUG-07 02:00:00 to 11-AUG-07 02:00:00 (CST-6)
Location: GLENCOE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Twelve inch tree blown down.

Hail in SCOTT, MINNESOTA
From 11-AUG-07 02:20:00 to 11-AUG-07 02:20:00 (CST-6)
Location: SHAKOPEE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in HENNEPIN, MINNESOTA
From 11-AUG-07 02:25:00 to 11-AUG-07 02:25:00 (CST-6)
Location: BLOOMINGTON
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Building debris on France Ave one mile south of Interstate 494.  Numerous reports of 8 to 12 inch diameter tree limbs down. Evergreen tree also uprooted.

Thunderstorm Wind in HENNEPIN, MINNESOTA
From 11-AUG-07 02:25:00 to 11-AUG-07 02:25:00 (CST-6)
Location: EDINA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Dozens of trees down, including near Highway 62 and France Avenue.

Thunderstorm Wind in RAMSEY, MINNESOTA
From 11-AUG-07 02:39:00 to 11-AUG-07 02:39:00 (CST-6)
Location: ST PAUL
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Six inch diameter or larger trees down at Maryland Avenue and Interstate 35E. Large branches were also down along West 7th Street.

Thunderstorm Wind in WASHINGTON, MINNESOTA
From 11-AUG-07 02:43:00 to 11-AUG-07 02:55:00 (CST-6)
Location: OAKDALE
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees and power lines down.