A Category 5 atmospheric river is drenching the Northwest US No Comments Uncategorized The Pacific Northwest is known for rain, but not this much. The Pacific Northwest is known for rain, but not this much. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to print (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on WhatsApp (Opens in new window)