From NBC San Diego – La Niña is forecasted to last into next year, so what does that mean for weather across the country? The eastern Pacific Ocean is experiencing longer-than-usual cool temperatures and climatologists predict a La Niña will stretch into its third winter, which would make this climate pattern the first “triple dip” La Niña this century. So what is a La Niña and why is a “triple dip” La Niña significant? We asked NBC 7 and Telemundo 20 Meteorologist Ana Cristina Sánchez to break it down. Here’s what we learned. (more)