As a result, global circulation patterns form ... a process called upwelling. El Niño and La Niña are opposite phases that occur, disturbing the normal cycle. The jet stream also changes ...

The latest analysis from the National Weather Service's Climate Prediction Center revealed that La Niña is no more.

El Nino exerts powerful control on Earth's climate today. Evidence from the past shows it can be volatile and undergo lasting change. How will it affect us in the future? Nineteenth century ...

This page contains information on El Niño ... influence on weather patterns around the world, including here in Canada. Diagram image courtesy of NOAA. Under normal conditions, prevailing ...

While currently in a La Niña pattern ... nor El Niño) within the next month as sea surface temperatures in the Niño Zones return to near average, away from their cooler-than-normal phase ...