Skip to playerSkip to main contentSkip to footer
AccuWeather
  • 1/5/2023
With severe weather expected on the West Coast, you may have heard the term "atmospheric river" being thrown around a lot. But what does that actually mean? Allow AccuWeather's Bernie Rayno to explain.

Recommended

1:37
Up next
Here's how you can attract hummingbirds to your home this spring
AccuWeather
0:35
Tax Day thunderstorms rumble through the Northeast
AccuWeather
2:22
Thunderstorms sweep across the Northeast, ushering in cold weather
AccuWeather
2:19
What are troughs in weather and how did they affect flooding in the Northeast?
AccuWeather
1:53
What is an atmospheric river and how is it connected to the 'Pineapple Express?'
AccuWeather
1:44
Why is it so foggy across so much of the US?
AccuWeather
2:07
What is the 'eye wall replacement cycle' in a major hurricane?
AccuWeather
1:59
Why are forecasters so confident that Idalia will rapidly strengthen before landfall?
AccuWeather
2:13
Did you know that heat waves can cause nocturnal thunderstorms?
AccuWeather
2:14
Why has it been one of the driest Octobers in history for the Northeast?
AccuWeather
3:15
Cold front sparks thunderstorms and change from the Midwest through the East Coast
AccuWeather
4:08
'What a pattern': Bernie Rayno explains what's behind winter's return
AccuWeather
2:06
Will snow be making a comeback in the Northeast next week?
AccuWeather
3:10
What's been causing the extreme amounts of rain in the Northeast?
AccuWeather
2:49
If it's going to be a busy hurricane season, why hasn't one happened yet?
AccuWeather
3:44
Why is Hurricane Rafael heading west after rapidly strengthening?
AccuWeather
1:55
What's fueling all these storms in the Northeast?
AccuWeather
3:53
What's fueling the wild changes in temperature across the Northeast?
AccuWeather
3:09
Snow? You betcha. Bernie Rayno explains what's behind the upcoming wintry blast
AccuWeather
4:52
Could we see another tropical storm in the Atlantic after Oscar?
AccuWeather
4:27
Could snow fall in the week before Christmas?
AccuWeather
2:18
Who is the real Bernie Rayno?
AccuWeather
1:52
What is 'meteorological spring'?
AccuWeather
1:45
Possible tropical development near the Southeast for late October
AccuWeather
1:18
What really is a polar vortex?
AccuWeather