Leaf Curling Before a Storm
Name: Vicki S.
Date: Wednesday, August 28, 2002
Why do tree leaves turn over or curl before a storm?
The following may be helpful. http://www.biketrack.com/episodic.htm
Also, you might want to look into atmospheric pressure and humidity effects
upon leaves. You might want to search www.google.com
Anthony R. Brach, Ph.D.
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Update: June 2012