GFM Network News


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

Average sea surface temperature anomalies over the equatorial Pacific Ocean for the week centred on May 5, 2021 compared to 1981-2010 base period. (CPC.ncep.noaa.gov)

La Nina done, U.S. CPC says

Neutral weather likely through summer

Reuters — A U.S. government weather forecaster said on Thursday La Nina has ended and El Nino-Southern Oscillation (ENSO) neutral conditions are likely to continue through the Northern Hemisphere summer. “ENSO neutral” refers to periods in which neither El Nino nor La Nina is present, often coinciding with the transition between the two weather patterns, […] Read more


Average sea surface temperature anomalies over the equatorial Pacific Ocean for the week centred on Oct. 28, 2020 compared to 1981-2010 base period. (CPC.ncep.noaa.gov)

WMO officially calls a La Nina winter

MarketsFarm — A La Nina weather event has officially developed in the Pacific Ocean and is expected to continue into 2021, affecting temperatures, precipitation and storm patterns around the world, according to the World Meteorological Organization (WMO). The global declaration of the La Nina event by the United Nations’ agency will be used by governments […] Read more









El Nino seen transitioning to neutral in next month or two

El Nino seen transitioning to neutral in next month or two

Reuters — The El Nino weather pattern is likely to transition into ENSO-neutral conditions in the next month or two, a U.S. government weather forecaster said on Thursday. “ENSO-neutral” refers to periods in which neither El Nino nor La Nina is present, according to the National Weather Service’s Climate Prediction Center (CPC). ENSO-neutral conditions are […] Read more

Averaged global sea surface temperature anomalies (in degrees Celsius) for the week centred on May 2, 2018. (NOAA Climate Prediction Center graphic)

El Nino pattern could emerge by 2018-19 winter

Reuters — The El Nino weather pattern, associated with warmer and wetter weather than usual that may give rise to damaging conditions, could emerge by the 2018-19 Northern Hemisphere winter, with neutral conditions expected to prevail through November this year, a U.S. government weather forecaster said on Thursday. The last El Nino, a warming of […] Read more