|MadSci Network: Earth Sciences|
Val, Yes, hurricanes can "join" so to speak. There's a phenomenon known as the "Fujiwhara Effect", which was first shown experimentally in 1921. It's the interaction between two, three, or four tropical cyclones within 1500 km of each other. These tropical cyclones either attract or repel each other. For more information, click on "Fujiwhara Effect" at: http://tgsv5.nws.noaa.gov/er/box/usatodaywx.htm Hope this helps, G. Keith Little Senior Software Engineer Federated Software group St. Louis, Missouri
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