Lightning Density and Strokes in Michigan for 2021
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     Vagasky totaled all of the lightning events over a square mile. He found the most lightning over a square mile flashed above a stretch from Gratiot and Midland counties through Saginaw and Genesee counties. The “lightning alley” of Michigan for 2021 ended in Oakland County.
     In a closer look, Vagasky found the most lightning over a square mile flashed above an area in western Saginaw County. Lightning strikes and cloud-to-cloud flashes counted up to 363 lightning events over Marion Township, about 25 miles southwest of Saginaw. The area is also known as Lakefield.
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Total cloud-to-ground lightning strikes per square kilometer for 2021. (Source: Vaisala)      

The highest number of cloud-to-ground flashes per square kilometer in 2021 was seven strikes in Hudson Township. Hudson Township is between Hillsdale and Adrian in Lenawee County. The cloud-to-ground strikes map shows a path of ground strikes through the Ann Arbor area into the Detroit area.

If you thought there were especially noisy thunderstorms this year in western Saginaw County, you were right.

Lightning Density and Strokes in Michigan for 2020
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