Average sea surface temperature anomalies over the equatorial Pacific Ocean for the week centred on Sept. 2, 2020 compared to 1981-2010 base period. (CPC.ncep.noaa.gov)

La Nina present, 75 per cent chance seen through 2020 winter

Reuters — La Nina conditions were present in August, and have a 75 per cent chance of continuing through the Northern Hemisphere winter of 2020-21, a U.S. government weather forecaster said on Thursday. The La Nina pattern is characterized by unusually cold temperatures in the equatorial Pacific Ocean. A borderline moderate La Nina event is



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

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




Average sea surface temperature (SST) anomalies over the Pacific Ocean for the week centred on Dec. 5. (CPC.ncep.noaa.gov)

U.S. forecaster sees 90 per cent chance of El Nino in winter

Reuters — There is a 90 per cent chance of the El Nino weather pattern emerging during the Northern Hemisphere winter of 2018-19, a U.S. government weather forecaster said on Thursday. “The official forecast favours the formation of a weak El Nino,” the National Weather Service’s Climate Prediction Center (CPC) said in a monthly forecast.


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