In2ThinAir on YouTube shows satellite images of a Nexrad Tower Southwest of Downtown Chicago and how it may have generated the freak rain in the city that fell six inches per hour and caused flash-flooding that overwhelmed the drainage systems.
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CHICAGO FLOOD Looks VERY Strange! 🤯
I lived through 4 inches in a single hour sudden summer storm in metro area and I can tell that all you need is actually 2 inches. That is because rain washes all the debris from streets and clogs grates of catch basins, redirecting overflow to next street corner downstream. Clogging that, and the next, and so on. Worse off in autumn, when leafs are falling daily and strong wind accompanies rain compounding foliage in a single event.
BTW, sycamore trees on east coast have bark starting to peel off as of last week. It normally occurs in August, so it is a whole month earlier this year. It was whole 2 months (October) late last year! Very abnormal and strange. Get ready for early winter Alexandra.
We are getting sprayed like crazy over here.