This page contains information on El Niño, La Niña ... have a major influence on weather patterns around the world, including here in Canada. Diagram image courtesy of NOAA.

This means the weather patterns tend to be the opposite from El Niño, with droughts in southern U.S. but more rainfall in Australia and Southeast Asia. Hurricanes are also more likely in the ...

A recent forecast update showing an increased likelihood of an El Niño winter could bring potentially historic weather patterns to the Chicago area in the coming year. While sea surface ...

Unlike recent El Niño-dominated years, this season's forecast features a weak La Niña, which is expected to influence precipitation patterns. La Niña conditions are expected to develop later ...

The full name of the pattern is the El Niño-Southern Oscillation or ENSO. It's marked by three different phases, the hot El Niño, neutral conditions or a cooler period called La Niña.

During an El Niño pattern, trade winds typically shift, pushing warmer waters of the Pacific Ocean towards the Americas, according to NOAA. This then pushes the Polar Jet Stream further northward ...