Brian McLane

Media and Social Commentary

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May 27th, 2012 · No Comments · Science

What is in the rain?

How come after a rain storm my car is spotted with filth. Only recently I took my car to the car wash and it poured a few hours later. The next day it was filthy. Now imagine, that’s raining on us.

Granted that’s in Brooklyn. Would the same be true in say South Carolina? The answer believe it or not is… YES. I noticed when I and my family drove to Florida something similar happened and it was nearly as pronounced.

Rain, Rain go away, come again some other day.

So what is in the rain?

In different parts of the country it can be different things. In the Midwest the strong winds can scoop up the dirt from the plains and drops it back down when it’s ready to rain. In the industrial east, all the pollution is going to mix with the water in the atmosphere.

Kinda gross huh? The dirt gets thrown into the atmosphere and when rain begins to form, it throws the dust back down along with the rainfall. For a raindrop to form, it has to form around something like a grain of sand or a particle of dirt. That’s what happened. We had it form around a particle of dust, it went down to the ground. It hit cars and houses, and turned into dirty rain.

You don’t have to be a meteorologist to understand that there are few places left untouched by pollution. I’m going into the Car Wash business.

Here’s Ryan Adams singing Dirty Rain on the David Letterman Show.

What is in the rain?

What is in the rain?

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