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Map Shows Where Two Tropical Storms Will Become One: Tracker Path

Two tropical storms in the Pacific are on a collision course that will end with one storm effectively swallowing the other.

Two tropical storms, Julio and Iselle, are set to merge in the eastern Pacific Ocean, according to the National Hurricane Center (NHC). Tropical Storm Julio, with maximum sustained winds of 50 mph, formed on Tuesday morning west-southwest of Mexico's Baja California Peninsula and is moving north-northeast at 22 mph. Meanwhile, Iselle, a larger and stronger storm with 70 mph winds, is located 730 miles west of Baja California and is forecast to gradually weaken.

Satellite imagery and forecast maps depict the two storms spiraling towards each other before merging into a single tropical cyclone. The unusual interaction is creating a striking scene, with Julio expected to be absorbed by Iselle later in the day. While the NHC warns that Iselle could generate dangerous waves and life-threatening surf and rip current conditions, no coastal watches or warnings are in effect.

The phenomenon, known as the Fujiwhara effect, occurs when two nearby cyclones begin orbiting around a common point, often leaving the stronger storm as the sole survivor.

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