🔬 Discovery

Fujiwhara effect

Efecto Fujiwhara

Date
1921 · confidence high
Place
Tokyo, Japan
Credited to
Sakuhei Fujiwhara
Field
Cosmos & Earth

What was discovered

Japanese meteorologist Sakuhei Fujiwhara described in a 1921 paper, based on earlier 1889 work, the effect that bears his name: the interaction of two nearby cyclones that rotate around each other and can merge into one.

What it led to

  • Cyclone track prediction models
  • Preparedness programs for interacting cyclones
  • Studies of atmospheric vortex dynamics

Links

Sources✓ verified 2026-09-28