LITTLE ROCK — As Hurricane Helene churns in the Gulf of Mexico, Arkansas is expected to experience significant rainfall, a surprising result of the rare Fujiwhara effect, which occurs when two cyclonic systems interact with one another.
Though Arkansas is far from the Gulf Coast, the Fujiwhara effect is causing Helene’s outer bands to push moisture inland, bringing showers and thunderstorms to the Natural State. The phenomenon happens when two nearby tropical storms or hurricanes come close enough that their rotations begin to interact, pulling each other in a sort of atmospheric dance. In this case, Helene is interacting with a smaller tropical disturbance in the western Gulf, drawing moisture further north than originally predicted.
The National Weather Service has issued flood advisories for parts of Northeastern Arkansas, warning residents of possible localized flooding over the next several days. Some areas could see up to 4 inches of rain, with heavier downpours possible in isolated spots.
Meteorologists stress that while Arkansas is not in danger of hurricane-force winds, the Fujiwhara effect will continue to influence the state’s weather pattern, potentially extending rain and stormy conditions through the weekend.
Residents are advised to stay updated on local weather forecasts and be prepared for heavy rainfall in flood-prone areas.

