Lorenzo has completed its transition into a powerful extratropical cyclone and this will be the last NHC advisory on this system. The center has become exposed on the southwestern edge of the ...

A strong extratropical cyclone hit the Pacific Northwest on November 19, 2024, bringing damaging winds and rain to the region. The storm knocked over trees and left nearly 600,000 people ...

A bomb cyclone is a rapidly intensifying extratropical cyclone. These two weather phenomena go hand in hand. A strong atmospheric river will feed moisture into the low-pressure system, providing ...

The extratropical cyclone slammed into the region beginning Monday night, dumping more than 11 inches of rain in less than 24 hours. Heavy winds caused extreme damage and hundreds fled rising ...

An extratropical cyclone hit parts of Morocco, Algeria, Tunisia and Libya on Sept. 7 and 8, dropping around 8 inches (20 centimeters) on the affected areas — equivalent to an entire year's worth ...