Extreme derecho: 1 million without power in Michigan, Wisconsin, Illinois, Ohio, and Indiana




Only 1 year before a current event (before 9-11. August 2021), a devastating derecho hit in 2020 Iowa and neighboring US states, with widespread damages /https://mkweather.com/derecho-in-iowa-4-dead-damaged-crop-fields-with-area-of-european-country/; https://mkweather.com/powerful-derecho-180-km-h-112-mph-caused-lot-of-damages-in-the-us-chicago-region-heavy-storms-will-be-continue//.

Now, anomalously powerful storm complex hit parts of the Upper Midwest, where left 1 million people without power and caused severe damages.

Near Chicago, 12 tornadoes appeared, even /https://www.weather.gov/lot/2021aug09/: “Two rounds of thunderstorms produced significant rainfall across portions of northern Illinois on Monday, August 9th. The afternoon and evening thunderstorms were mainly supercells that produced numerous tornadoes, some of which caused noteworthy tree and structural damage in portions of Ogle, DeKalb, and Kane Counties.” wrote weather.gov.

The strongest storms hit parts of Michigan, Wisconsin, Illinois, Ohio, and Indiana, where the biggest damages were reported.

The mesoscale convective system hit in full power mainly region around Lake Michigan and remnants of storms were moving eastward, later.

Storms continued on 11. August 2021.

662K customers or 13% of all Michigan residents were without power including some parts of Detroit, Flint, and Ann Arbor. A significant threat for multiple tornadoes in addition to very damaging wind and large hail potential was reported.

Currently, the region is preparing for a serious heatwave (and heat dome): https://mkweather.com/longest-heatwave-in-northeast-and-midwest-the-usa-in-summer-2021-then-extreme-heat-dome-above-northern-usa/; https://mkweather.com/northern-usa-and-southern-canada-hits-in-the-next-10-days-extreme-heat-dome-a-peak-of-summer-2021-forecasted/, while from the south, Tropical storm Fred will bring a short cooldown around 17.-18. August 2021 /https://mkweather.com/tropical-storm-fred-hits-florida-southeast-mid-atlantic-northeast-into-the-caribbean-should-shift-hurricane-grace-floods-are-very-possible//.

https://twitter.com/Dannytheweather/status/1425147869569372160?s=20
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Author: marekkucera
Writer about weather since 2007. The goal of this project is to inform a wide audience about extremes of weather, atmospheric circulation, and climate change around the world. If you like our work, you can support us on Patreon or donate.