In 2009, the combination of a cyclone, atmospheric waves and warm moist air triggered a record-breaking heatwave. It’s happening again.

They are responsible for producing heavy rain and snow, especially when pushed up against mountain ranges like the Cascades and Sierra Nevada. A well-known type of atmospheric river is called a "Pineapple Express" because it flows from the Hawaiian Islands.

(Reuters) - A dangerous weather phenomenon called a bomb cyclone that occurs in mid-latitudes - between Earth's tropics and the polar regions - can bring strong and damaging winds, torrential rains, heavy snowfall, flooding and frigid temperatures.

In this file photo, a satellite image shows Hurricane Ian’s well-defined eye in September 2022 after the storm system cleared Cuba and moved toward the Florida coastline. National Hurricane Center In the peak of Atlantic hurricane season, words matter.

Satellite footage from the National Weather Service shows a dramatic, churning cyclone approaching California. The image is a bomb cyclone, which occurs when cold and warm air collide, dropping the atmospheric pressure and resulting in a rapidly ...

The season of atmospheric rivers is again upon us. The 2024-2025 water year’s first major storm is arriving, and from space it looks like a behemoth. The storm currently off the northwest coast of the U.S. — described by meteorologists as a “bomb ...

A deadly cyclone that ripped through the islands of Mayotte on December 14, 2024, leaving a trail of destruction and loss of life in its wake, has been captured in terrifingly powerful satellite imagery. Cyclone Chido's hurricane-force winds devastated the ...

Maps show where the next blast of Arctic air and a potential winter storm are expected to travel this weekend, according to the latest forecast models.