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Typhoon Parma (left) and Melor (right) interacting with each other in the Philippine Sea on October 6, 2009.. The Fujiwhara effect, sometimes referred to as the Fujiwara effect, Fujiw(h)ara interaction or binary interaction, is a phenomenon that occurs when two nearby cyclonic vortices move around each other and close the distance between the circulations of their corresponding low-pressure areas.
Forecasters say soon-to-be Hurricane Helene could undergo a Fujiwhara "interaction" with another storm over the south-central U.S., which the weather service refers to as a trough of low pressure ...
A cluster of tropical activity has developed across the Pacific Ocean, as three features battle for dominance and hold the potential for a phenomenon called the Fujiwhara Effect to occur.
For example, the beta effect will allow a tropical cyclone to track poleward and slightly to the right of the deep layer steering flow while the system lies the south of the subtropical ridge. Northwest moving storms move quicker and left, while northeast moving storms move slower and left.
When storms dance: Helene could undergo Fujiwhara effect The Fujiwhara effect – which describes the rotation of two storms around each other – is one of meteorology's most exquisite dances.
Maring began to interact with Tropical Depression 13W north of it and a small high-pressure in the middle of the two storms, exhibiting a Fujiwhara Effect. [5] On August 18, 12W strengthened into a tropical storm, which JMA identified it as Trami, while steadily tracking generally eastwards. [6]
The last storm was Marlene, which was also an intense tropical cyclone and dissipated on April 11. Most of the storms originated from the Intertropical Convergence Zone. In late December into early January, tropical storms Bentha and Christelle persisted to the east of Madagascar, undergoing the Fujiwhara effect with each other.
Fujiwhara effect. On Tuesday afternoon, as the storm approached the Bay Area, the system developed two "eyes," or areas of low pressure, resulting in a "doubled-barreled blow" to San Francisco and ...