Sea surface temperature anomalies over the Pacific Ocean in degrees Celsius for the week centred on Oct. 13, 2021. (CPC.ncep.noaa.gov)

Another La Nina winter predicted

Polar vortex to chill Prairies, more snow further east, AccuWeather says

Data compiled by a U.S. federal weather forecasting agency show La Nina conditions have developed over the central Pacific Ocean and are likely to linger through February. And La Nina, in turn, is expected to produce hard cold snaps over the Prairies, above-normal precipitation over southern British Columbia and relatively mild temperatures with more snow […] Read more



Pacific Ocean sea surface temperature anomalies in degrees Celsius for the week centred on Jan. 31. (CPC.ncep.noaa.gov)

La Nina seen likely to fade by spring

Reuters — The current La Nina weather cycle is likely to transition into more neutral conditions by spring, a U.S. government weather forecaster said Thursday. La Nina is characterized by unusually cold ocean temperatures in the equatorial Pacific Ocean and is linked with floods and droughts. It is the opposite phase of what is known […] Read more

U.S. forecaster sees La Nina likely in coming months

New York | Reuters — A U.S. government forecaster on Thursday said the chance has increased for weather phenomenon La Nina developing in the coming months in the Northern Hemisphere fall and persist into winter 2016-17. The Climate Prediction Center (CPC), an agency of the National Weather Service, in a monthly forecast pegged the chance […] Read more


Average sea surface temperature in degrees Celsius over the Pacific Ocean for the week centred on May 4, 2016. Anomalies computed with respect to the 1981-2010 base period weekly means. (CPC.ncep.noaa.gov)

Forecasters see rising likelihood of La Nina in 2016

Reuters — A U.S. government weather forecaster on Thursday heightened its projections for the La Nina weather phenomenon to take place in the Northern Hemisphere later this year, on the heels of an El Nino likely to fade by early summer. The Climate Prediction Center (CPC), an agency of the National Weather Service, in its […] Read more