We explain what an atmospheric river is, how it’s different from a bomb cyclone and how it’s related to a Pineapple Express.
SEATTLE — What’s an atmospheric river? And how is it different from a bomb cyclone? And how is it related to a Pineapple Express?
These questions are top of mind as an atmospheric river is impacting western Washington, according to the National Weather Service.
What is an atmospheric river?
According to the National Oceanic and Atmospheric Administration (NOAA), atmospheric rivers are “relatively long, narrow regions in the atmosphere, like rivers in the sky — that transport most of the water vapor
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