MYRTLE BEACH, S.C. (WPDE/TND) — Tropical Storm Ophelia transitioned to a non-tropical low pressure system Sunday and will continue to bring rain to parts of the U.S. Ophelia came ashore in Emerald ...

Tropical cyclones that recurve into mid-latitudes often undergo extratropical transition (ET), a process by which a compact, symmetric warm-core system acquires the asymmetric, frontal characteristics ...

Hurricane Erin is transitioning to a post-tropical storm but will remain a powerful system. Erin caused fatalities in Cape Verde and the Dominican Republic. Dangerous surf and rip currents are ...

The butterfly effect suggests that small changes in a system can have a large impact on eventual outcomes. One metaphor used to illustrate this concept is a butterfly flapping its wings only to cause ...

Hurricane Erin is transitioning to a post-tropical storm but will remain a powerful system. Erin caused fatalities in Cape Verde and La Romana. Dangerous surf and rip currents are expected along the ...