Thunderstorm Wind in Warren County, Indiana
Thunderstorm Wind December 10, 2021 · Warren County, Indiana
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
Tree down by thunderstorm wind gusts on Indiana Route 26 west of Pine Village.
The wider storm
A rapidly intensifying storm system tracking northeastward through the Quad Cities area produced strong low-level southerly flow over central Indiana, including a low level jet (LLJ) of 70 mph at the 850 mb level, during the evening and overnight of the 10th. These winds near the surface brought unseasonably high dewpoints as high as the low to mid 60s that destabilized the atmosphere, while the LLJ resulted in anomalously high vertical wind shear. Numerous lines of storms brought severe winds down to the surface, causing widespread wind damage, especially north of Interstate 70. Some locations saw several periods of heavy rain whose rainfall totaled 1-2 inches; which caused isolated flooding parallel to and about 20 miles north of Interstate 70.
Began near Pine Vlg (40.4500, -87.2800).
Source: NOAA Storm Events Database, event 988557. Narratives are written by the National Weather Service forecast office that issued the report.
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