Tropical Cyclone Luana
After helene became post-tropical, an ef-1 tornado occurred in rockingham county, north carolina and an ef-2 tornado occurred in pittsylvania county, virginia. The tsr (tropical storm risk) extended range forecast for north atlantic hurricane activity in 2026 anticipates a season with activity close to the 1991-2020 climatology. This year, we continue to calculate the impacts of tropical cyclones for each state and county/parish along the gulf and east coasts, tropical cyclone-prone provinces of canada, states in mexico,.
Tropical storm warning - a warning for tropical storm conditions, including possible sustained winds within the range 63-118 km/hr (39-73 mph) (34-63 knots) are expected in specified areas within 36. Disturbance that lead to tropical cyclone development include decaying extra-tropical systems (mcc’s and fronts), waves in the itcz and easterly waves, especially north african easterly waves.