july

18julAll DayBlueberry (Douglas County, WI)

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Start Time:  1:48 pm CDT

End Time:  1:50 pm CDT

Rating:  EF1

Estimated Peak Winds:  100 mph

Path length:  0.4 miles

Width:  50 yards

Fatalities: 0

Injuries:  0

County:  Douglas

State:  Wisconsin

Start Lat/Lon:  46.6036 / -91.6702

End Lat/Lon:  46.6062 / -91.6623


A weak, brief tornado formed along a line of thunderstorms that moved across Douglas County between 1:00 AM and 2:00 AM. Meteorologists were tracking a number of weak areas of rotation on radar as these storms moved through, and a Tornado Warning was issued for one such area of rotation at 1:10 AM including Maple and Blueberry. At 1:43 AM, meteorologists saw a dramatic increase in radar-detected rotation from this storm just south of Maple, WI, and based on this information issued an additional Tornado Warning using radar-confirmed tornado language to indicate the confidence in a tornado occurring or imminent. Minutes later, a tornado developed north of Maple and Blueberry knocking down dozens of trees, including snapping some trees off near the base. Just as soon as it developed, the area of rotation weakened considerably. This information is preliminary in nature – radar indicates this tornado may have begun a few minutes earlier but at this time there is not enough conclusive damage evidence that the tornado formed earlier than the information below.


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