Hurricane force wind ?

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CharleySurvivor
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Hurricane force wind ?

#1 Postby CharleySurvivor » Tue Sep 14, 2004 6:54 am

Hello everybody!

I found this site after we were hit with Charlie and must say the info here sure beats the media news. It is wonderful to be able to log 24/7 and see what is going on with Ivan and not have to worry so much. Great work S2K!

My question is this ... After Charlie, we seen 3, 18 wheelers on the Interstate flipped to their side - one after another and right where those were, cows in the field were still standing. How come the wind force took those trucks but not the cows?

This is something we have all been wondering about at work since an 18 wheeler weight a LOT more then a cow.

A met could probably explain the reason behind this?
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Rob Beaux
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#2 Postby Rob Beaux » Tue Sep 14, 2004 6:57 am

center of gravity...or maybe the area that the wind can effect compared to the weight of the object.

Maybe the cows laid down and were actaully rolling around during the storm due to the wind. :)
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#3 Postby vbhoutex » Tue Sep 14, 2004 7:00 am

It has to do with the amount of area that is exposed to the pressure of the winds. In other words a cow has a lot less surface area and is lower to the ground than an 18 wheeler. Think os a billboard and then a sign in your front yard for a size comparison.
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#4 Postby CharleySurvivor » Tue Sep 14, 2004 7:01 am

LOL Rob... it is an open field area, that is why we wonder so much.
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#5 Postby CharleySurvivor » Tue Sep 14, 2004 7:03 am

makes sense vb, thanks for the explanation!
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