Sea surface temperature anomalies over the equatorial Pacific Ocean for the week centred on July 1, 2020. (CPC.ncep.noaa.gov)

U.S. forecaster says La Nina expected to develop in fall 2020

Reuters — A U.S. government weather forecaster on Thursday forecast the development of a La Nina pattern during the August-October season, which is expected to persist through the remainder of 2020. There is about 50-55 per cent chance of La Nina developing during the Northern Hemisphere fall, with a 50 per cent chance it will […] 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

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

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

Pacific Ocean sea surface temperature (SST) anomalies in degrees Celsius for the week centred on Dec. 19. (CPC.ncep.noaa.gov)

El Nino likely not responsible for warm, dry conditions

CNS Canada — The above-normal temperatures Western Canada has generally experienced since the fall weren’t necessarily caused by an El Nino. Rather, to Agriculture and Agri-Food Canada, the phenomenon that’s likely affected the weather was a ‘blob’ that formed off of the coast of British Columbia. “It’s a big warm pocket of ocean water and […] Read more

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. […] 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

Sea surface temperature anomalies in degrees Celsius for the week centred on Feb. 1, 2017. (CPC.ncep.noaa.gov)

U.S. forecaster says La Nina faded, sees El Nino potential

Reuters — A U.S. weather forecaster on Thursday said La Nina has faded and neutral conditions are likely to continue in the coming months, though it noted some chance that the El Nino phenomenon may reappear as early as the Northern Hemisphere spring. The Climate Prediction Center (CPC), an agency of the National Weather Service, […] Read more

Anomalies in weekly averaged sea surface temperature (Celsius) over the Pacific for the week centred on Nov. 30, 2016. (CPC.ncep.noaa.gov)

U.S. forecaster sees weak La Nina likely to fade in early 2017

New York | Reuters — A U.S. government weather forecaster on Thursday said weak La Nina conditions were present but favoured to dissipate in the coming months. The National Weather Service’s Climate Prediction Center said in a monthly forecast that conditions were likely to transition back to neutral during January through March. The report said […] Read more


Sea surface temperature anomalies (C) for the seven-day period centred on July 6, 2016. (CPC.ncep.noaa.gov)

La Nina seen likely to build in August-to-October period

New York | Reuters –– Following a damaging El Nino weather period, a U.S. government weather forecaster on Thursday said the La Nina weather phenomenon is favoured to develop during August through October 2016. The Climate Prediction Center (CPC), an agency of the National Weather Service, said in its monthly forecast there is a 55-60 […] Read more

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

El Nino seen declining, to return to neutral by Q2

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