Great job out of Accuweather!
The old Yankee stadium had more stacked tiers and a large upper deck, acting like a solid wall in effect, which would cause the wind to swirl more and be less concentrated. The new Yankee stadium’s tiers are less stacked, making a less sharp slope from the top of the stadium to the field. This shape could enable winds to blow across the field with less restriction. In addition, the slope of the seating would also lead to a “downslope” effect in the field which, depending on wind direction, would tend to cause air to lift up in the right field. Fly balls going into right field during a gusty west wind would be given more of a lift thus carrying the ball farther out into right field.
If the stadium seating tier shape is indeed the issue, games will only be affected during times with the winds are from a westerly direction and above 10 mph. This typically occurs during the spring and the middle to late fall. The calmer weather during the summer should lead to a smaller number of home runs. In the meantime, the home run derby may continue.
Read the whole thing here! Very well done and makes sense.
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