Minneapolis, MN EF-0 Tornado
A damage assessment team from the National Weather Service in Chanhassen surveyed storm damage in Minneapolis. They confirmed that a tornado touched down in south Minneapolis, initially near East 53rd Street and Park Avenue around 150 PM CDT. The tornado then moved north from that location toward downtown, and eventually lifted near the Convention Center around 200 PM CDT. Damage was most intense and concentrated from East 45th Street north to East 38th Street, generally along Park, Oakland, Portland, and 5th Avenues. The track shifted slightly west of due north with time. The most intense damage was consistent with EF-0 intensity, with wind speeds between 75 and 85 MPH. Numerous trees were downed in the area, with damage to a number of homes and structures as well. Much of the structural damage was due to falling trees. The tornado track was approximately 4.5 miles in length, although it may have lifted for a brief time between East 29th Street and the Convention Center area. Maximum track width was approximately 500 yards, although the most intense damage occurred along a path approximately 250 yards wide.
Minneapolis Tornado Path Map
Cottage Grove, MN EF-1 Tornado
A National Weather Service assessment team also surveyed storm damage from the southern end of Cottage Grove, Minnesota. They confirmed that a tornado touched down near 122nd Street just west of Highway 61 in southern Washington County around 240 PM CDT on the afternoon of August 19th, where it initially produced EF-0 damage to a roof, playground equipment, and a garage door. The tornado then tracked northwest across Lofton and Lockridge Avenues just west of Highway 61 in Cottage Grove, where it produced low end EF-1 damage. The tornado either uprooted or sheared off a swath of large trees, many that were 2 to 3 feet in diameter. The approximate path length of this tornado was 1200 yards, and the maximum width was 75 yards. Estimated maximum winds with this tornado were 90 to 100 MPH.
Washington County Tornado Path Map
Hudson, WI Area EF-0 Tornado
Damage from another tornado was found by the National Weather Service damage assessment team near County Road UU and Larson Lane near Hudson, Wisconsin. This tornado produced EF-0 damage, and touched down shortly after 3 PM CDT. The tornado moved north-northeast and either downed or uprooted several 1 to 2 foot diameter trees, and also caused minor roof damage to multiple houses. The approximate path width was 25 yards, and the length was about 600 yards. Estimated maximum winds with this tornado were 80 to 85 MPH.
Hudson, WI Tornado Path Map
Marine on St Croix, MN EF-0 Tornado
A damage survey determined that this tornado touched down in the southwest corner of Marine on St Croix at 325 pm and moved toward the northwest, knocking down a couple dozen trees and large limbs. It dissipated just northwest of town after being on the ground for 0.7 mile. Winds were estimated at 65 to 70 mph. Its maximum width was 40 yards.
New Trier, MN EF-1 Tornado
A damage survey was also performed on the area four miles north of Cannon Falls, MN, or just southeast of New Trier. A tornado touched down and almost immediately hit a farmstead. A roof was completely removed from a farm house, windows were blown out, and several sheds and other outbuildings were severely damaged. The tornado was initially about 50 yards wide, then narrowed to about 20 yards as it traveled through some corn fields and struck two other residences. Like several other tornadoes this day, it moved toward the north-northwest, ending one mile southeast of New Trier. Maximum wind speeds were likely around 90 or 95 mph, and path length was 1.6 miles. Touchdown was at approximately 216 pm.
North Branch, MN EF-0 Tornado
The assessment team also confirmed that a tornado touched down in North Branch, just southeast of the middle school. It tracked north-northwest through fields into a neighborhood near 2nd and 3rd Avenues and Cedar Street, then lifted near Rivercrest and Riverview Courts. The track was approximately 1 mile in length with a maximum width of approximately 200 yards. Damage was consistent with EF-0 intensity, with winds between 70 and 80 MPH. Touchdown was at approximately 400 pm.
Ham Lake, MN EF-0 Tornado
A storm chaser witnessed and photographed a brief tornado in a sparsely populated section of Ham Lake at 307 pm. No damage was reported.
Rural Ellsworth, WI EF-0 Tornado
A damage survey revealed a brief tornado touched down 5 miles southeast of Ellsworth and tore through a couple fields of corn. The width was rather narrow, only 20 yards at most. It was on the ground for only 0.2 mile, just north of the intersection of County Road V and DD. Touchdown time was about 257 pm, and wind speeds were about 65 to 70 mph.
Emerald, WI EF-0 Tornado
A storm spotter followed and photographed a tornado that briefly touched down several times as it moved northward, tracking from 3 miles southwest of Emerald to 1.4 miles west of Emerald. Tree limbs and other vegatation were occasionally tossed in the air. This occurred from 358 pm to 402 pm. Path length was 1.4 miles and the maximum width was 25 yards. Wind speeds were about 65 to 70 mph.
Forest, WI EF-0 Tornado
A storm spotter followed and photographed a tornado that briefly touched down several times as it moved northeast, from just west of Forest to 1 mile north of Forest. Tree limbs and other vegetation were occasionally tossed in the air. Time of this tornado was from 411 pm to 415 pm. Path length was 1.7 miles and maximum width was 25 yards. Wind speeds were about 65 to 70 mph.
Springfield, MN EF-0 Tornado
Skywarn spotters witnessed and photographed a tornado briefly touching down in Brown County, three miles east of Springfield, at 628 pm. Only minor crop damage was found in open areas. Wind speeds were approximately 65 to 70 mph.
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