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

Reading Time: 2 minutes 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

Sea surface temperature anomalies on the tropical Pacific Ocean for the week centred on May 20, 2020. (CPC.ncep.noaa.gov)

El Nino, La Nina patterns not seen prevailing during summer

Reading Time: < 1 minute London | Reuters — Sea surface temperatures in the tropical Pacific remain neutral, meaning that neither El Niño nor La Niña weather patterns are prevailing, the U.N. World Meteorological Organisation said on Thursday. The El Niño pattern brings a warming of ocean surface temperatures in the eastern and central Pacific every few years, and is […] Read more

Sea surface temperature anomalies (°C) over the tropical Pacific for the week centred on March 4, 2020. (CPC.ncep.noaa.gov)

U.S. forecaster sees 65 per cent chance of no spring El Nino, La Nina

Reading Time: < 1 minute Reuters — There is about a 65 per cent chance that neutral weather conditions will prevail in the Northern Hemisphere this spring with no El Niño or La Niña, up from 60 per cent last month, a U.S. government weather forecaster said on Thursday. The El Niño-Southern Oscillation-neutral (ENSO) weather pattern is marked by average […] Read more

Sea surface temperature anomalies for the week centred on July 4, 2018. (CPC.ncep.noaa.gov)

Forecaster sees 65 per cent chance of El Nino emerging in fall

Reading Time: < 1 minute Reuters — Chances of the emergence of the El Nino weather pattern have increased to 65 per cent during the fall and 70 per cent during winter 2018-19, a U.S. government weather forecaster said on Thursday. The last El Nino, a pattern that brings a warming of ocean surface temperatures in the eastern and central […] 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

Reading Time: < 1 minute 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


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

Reading Time: < 1 minute 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

Pacific Ocean surface temperature anomalies, in degrees Celsius, for the seven-day period centred on Aug. 31, 2016. (CPC.ncep.noaa.gov)

U.S. agency reduces outlook for La Nina in 2016-17

Reading Time: < 1 minute New York | Reuters — A U.S. government weather forecaster reduced its outlook on Thursday for La Nina conditions to develop during the Northern Hemisphere fall and winter of 2016-17, saying neutral conditions were more likely. The Climate Prediction Center (CPC), an agency of the National Weather Service, said in a monthly forecast there was […] Read more

Sea surface temperature anomalies. (CPC.ncep.noaa.gov)

El Nino seen declining, to return to neutral by Q2

Reading Time: 2 minutes Sydney | Reuters — The 2015-16 El Nino weather event, one of the three strongest in the past 50 years, has peaked in recent weeks and will likely return to “ENSO neutral” by the second quarter of this year, Australia’s Bureau of Meteorology (BOM) said on Tuesday. The El Nino phenomenon is driven by warm […] Read more