CNN CNN Newsroom Live December 21, 2021 09:26:00
Landfall basically across the west coast. when it does so, it creates a lot lot of rainfall and sparks snowfall in elevations out west. which is what were going to see. weve seen multiple atmospheric rivers over the last month or so. a recent atmospheric river led to the sierra nevada seeing its snow pack increase from 19% to 98% in a matter of just seven days. thats how quickly things can escalate with these atmospheric rivers. you can see as this area of low pressure does come ashore, well see...
Source: archive.org