Fujiwhara Effect, Typhoons Ione and Kristen, 1974
Typhoons Ione and Kristen displaying Fujiwhara effect, August 24, 1974. The Fujiwhara effect is a type of interaction between two nearby cyclonic vortices, causing them to appear to "orbit" each other. When the cyclones approach each other, their centers will begin orbiting cyclonically about a point between the two systems. The two vortices will be attracted to each other, and eventually spiral into the center point and merge. When the two vortices are of unequal size, the larger vortex will tend to dominate the interaction, and the smaller vortex will orbit around it.
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Photo credit: © Photo Researchers / Alamy / Afripics
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