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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 cyclone will also distort in shape, becoming less symmetric with time. [17] [18] [19] During extratropical transition, the cyclone begins to tilt back into the colder airmass with height, and the cyclone's primary energy source converts from the release of latent heat from condensation (from thunderstorms near the center) to baroclinic ...
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.
Unlike an earlier bomb cyclone this winter about 1,000 miles southwest of San Francisco, this one “is very close to the coast,” Swain said. “So the impacts are actually more immediate and ...
- Sakuhei Fujiwhara is the first to note that hurricanes move with the larger scale flow, and later publishes a paper on the Fujiwhara effect in 1921. [40] 1920 – Milutin Milanković proposes that long term climatic cycles may be due to changes in the eccentricity of the Earth's orbit and changes in the Earth's obliquity.
Starting 23 October and lasting into the next day, six tropical cyclones spun simultaneously around the globe. CIRA compiled satellite imagery of the six storms, all captured at the same time.
Around that time of its weakening, Fengshen began undergoing the Fujiwhara effect with Typhoon Fung-wong; the latter looped to the south of Fengshen and dissipated on July 29. [4] On July 21, Fengshen began re-intensifying, and the JMA reported that the typhoon again reached winds of 185 km/h (115 mph 10‑minute). [1]