An upper trough and frontal boundary will focus showers and thunderstorms across portions of the Plains through early Monday; A few severe thunderstorms along with heavy rainfall are expected. Meanwhile, low pressure off the Southeast Coast will bring inclement weather across the mid-Atlantic coast through Monday. This system is forecast to meander off the coast then track inland early this week. Read More >
Overview
A QLCS-like line of storms quickly developed ahead of a blob of decaying convection that was moving northeast in southern MN. These new storms formed within a narrow corridor of uncapped, moderate MLCAPE with very high MLCAPE values in the lowest 3 km. While bulk shear magnitudes were borderline, the 0-3 km shear was normal to the line of storms, signaling some possibility of QLCS tornadoes. As the line of storms traveled through the Twin Cities, 5 EF0 tornadoes were confirmed in the southeast metro. Numerous trees were uprooted or broken and a few structures were damaged. Strong winds also caused damage and a 61 mph wind gust was measured at the grandstand of the Minnesota State Fair.
Tornadoes:
Tornado - Apple Valley/Burnsville
Track Map ![]() Downloadable KMZ File |
Tornado - Apple Valley
Track Map ![]() Downloadable KMZ File |
Tornado - Eagan
Track Map ![]() Downloadable KMZ File |
Tornado - West St. Paul
Track Map ![]() Downloadable KMZ File |
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Tornado - St. Paul
Track Map ![]() Downloadable KMZ File |
The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:
EF0 Weak 65-85 mph |
EF1 Moderate 86-110 mph |
EF2 Significant 111-135 mph |
EF3 Severe 136-165 mph |
EF4 Extreme 166-200 mph |
EF5 Catastrophic 200+ mph |
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Photos & Video
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An uprooted tree in a front yard. | Tree trunks and branches snapped and damaged a swing set. | Photo of storm damage in Apple Valley/Eagan. (Credit: Tanner Verstegen) |
Multiple trees uprooted in West St. Paul. |
Radar
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August 27 Radar Loop | Velocity couplet over Eagan at 8:46pm CDT. | Velocity couplet near St. Paul at 9:02pm CDT. |
Storm Reports
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