@NWSBoulder: Jet stream plays a big role in our weather. During weak La Ninas the Polar jet typically has more influence on nern CO winter wx Share this:Click to share on Twitter (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)Click to share on Facebook (Opens in new window)Like this:Like Loading...