The strongest response occurs during the winter season following the onset of the events. Precipitation values weaken considerably in the following seasons. The numbers indicate degrees Celsius by which the temperature departs from normal. The line across Northern Canada delineates areas of above and below normal temperatures. The animation steps through the data in 10-day increments.
Values shown are departure from normal in millimetres.
The animation steps through the data in 10-day increments. Risk of extreme weather during El Nino. Insufficient data over gray shaded areas. Links Certain of the following material originate with organizations not subject to the Official Languages Act and are available on this site in the language in which it was written. An index used to determine the duration and intensity of winter cold.