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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.
The effect is named after Dr. Sakuhei Fujiwhara who was the chief of the Central Meteorological Bureau in Tokyo, Japan, shortly after the First World War. In 1921, he wrote a paper describing the ...
The rare occurrence, known as the Fujiwhara effect, intensified winds as the low-pressure areas danced around each other. ... Landspouts are similar to tornadoes, but the circulation from the ...
That data shows the El Reno–Piedmont tornado and a separate cyclonic tornado, originating from the same mesocyclone, rotating in a counterclockwise fashion about a single common center (in a demonstration of the Fujiwhara effect) for several minutes, before merging at approximately 4:35 p.m. [26]: 3033 The second satellite came just minutes ...
As the tornado began its rope-out phase, it gained speed and interacted with the developing Wakefield tornado, undergoing a Fujiwhara effect. The main Pilger tornado became intense again, mangling a metal truss tower and demolished an outbuilding on 849th Road before being absorbed into the larger and stronger Wakefield tornado, which led to ...
These systems may move around each other, and this is known as the Fujiwhara Effect. Friday afternoon will be cloudy with fewer showers. High temperatures will remain in the 70s.
This cluster of storms spawned a large, broad mesocyclone with several circulations rotating around each other due to the Fujiwhara effect. [86] [87] These circulations produced multiple erratically moving strong tornadoes after sunset.
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.