Extratropical cyclones (or low-pressure systems) traveling along the Kuroshio in East Asia most frequently occur in spring, ...

“This system will deepen over Atlantic oceanic waters on Friday 3, off the east coast of the country, where it will be configured as an extratropical cyclone,” Inumet said in a statement.

Brazil's southeastern State of Río Grande do Sul remains under alert because of heavy rains, windstorms, and hail caused by the passage of an extratropical cyclone, Acting Governor Gabriel Souza ...

Hurricane Francine has intensified overnight ... and Francine is forecast to transition into an extratropical cyclone over northern Mississippi. Key Messages From NHC: ・Life-threatening storm ...

Hurricane Helene made landfall near Perry ... There is still the possibility the storm will take on some extratropical characteristics over the next 48 to 72 hours. Will the latest tropical ...

A WEATHER expert has told how Hurricane Helene will not have the same devastating effect as Ophelia, despite its potential to still be an extratropical storm when it may track towards Ireland.