La Nina 2024 Pacific Northwest Region. Cool ocean waters in the tropics push colder air into the pacific northwest. La niña usually brings wetter than average conditions during winter to the pacific northwest and ohio valley, while the nation's southern tier tends.
“la niña tends to organize the wintertime jet stream in a way that favors the pacific. La niña usually brings wetter than average conditions during winter to the pacific northwest and ohio valley, while the nation’s southern tier tends.