El Niño's effects on North America

Generally speaking El Niño brings:

These effects are felt strongest in the winter after onset of the event.

tornado icon The Atlantic hurricane season is usually diminished during El Niņo, while the tornado season is more active.

The following animations will show the temperature (in Celcius) and precipitation (in centimeters) departure from normal over the entire North American continent.

The time starts from the fall season after onset (OND) on through the following summer (JAS).

El Niño on North American temperature
El Niño effects on North American precipitation

These animations are from the Center for Ocean-Atmospheric Prediction Studies at Florida State University

Regional Impact:


United States:

Mexico and Central America: