Extratropical vs. tropical storms. Extratropical cyclones are the familiar storms that occur in all seasons and can form over land or water. They are represented as an "L" on weather maps.

Storm Bert is the result of strong temperature contrasts and a particularly energetic jet stream, the same conditions that, a few days ago, led to the formation of an extraordinary extratropical ...

Storm Éowyn, pronounced ‘Ay-oh-win’, has been advancing toward Ireland and the United Kingdom and is expected to bring gusty winds, heavy rain and some snow to the region Friday and Saturday.

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 ...

The West Coast’s rainy season has arrived in force, as an atmospheric river carrying moisture from the tropics joins a bomb cyclone off the Pacific Northwest coast. Heavy, wet snow began falling ...

Storm Éowyn, an extratropical “bomb” cyclone that has formed in the North Atlantic and intensified rapidly, is expected to bring gusty winds, heavy rain and some snow to the region.

Storm Éowyn, an extratropical “bomb” cyclone that has formed in the North Atlantic and intensified rapidly, is expected to bring gusty winds, heavy rain and some snow to the region.

Storm Éowyn, an extratropical “bomb” cyclone that has formed in the North Atlantic and intensified rapidly, is expected to bring gusty winds, heavy rain and some snow to the region.

Storm Éowyn, an extratropical “bomb” cyclone that has formed in the North Atlantic and intensified rapidly, is expected to bring gusty winds, heavy rain and some snow to the region.