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El Niño-Southern Oscillation (ENSO) cycle.
Phases , opposite phases
La Niña , cold phase of ENSO occurs less freq winter temp warmer than normal Southeast and cooler than normal in the Northwest. El Niño , warm phase of ENSO. occurs more freq ENSO cycle. scientific term describing temp fluctuations between ocean &'atmosphere East-central Equatorial Pacific Approx Longitude of International Date Line-120W Deviations normal surface temperatures give large-scale impacts on ocean processes, global weather and climate. Episodes typically last 9-12 months, Prolonged events last for years. frequency quite irregular, Events average every 2-7 years. El Niño occurs more frequently than La Niña. Abnormal weather pattern of cooling sea surface waters in the Pacific Ocean La Nina - Evolve in April , last rest year spring and summer, dry growing season grains-soybeans US Midwest.Plains,begin April. La Nina can trigger below-normal rainfall but doesn’t necessarily mean drought, a bias for a drier summer, La Nina tends to make the drier biases more significant for Corn Belt and Plains. Grain markets react to La Ninas, creates summer droughts, All major drought years tend be La Nina [ 1988 ] HX 1950-2018 El Niño Weak-10 Moderate-7 Strong-5 Very Strong-3 La Niña Weak-10 Moderate-4 Strong-7 |
Wikipedia La Niña El_Niño Climate Forecast System (NCEP) Model for prediction across scales (MPAS) Community Earth System Model (CESM) Atmospheric_model Ensemble_forecasting Effects of the El Niño–Southern Oscillation in the United States United_States_rainfall_climatology Jet_stream Pacific_hurricane North_Atlantic_hurricane Subtropical_jet_stream - Upper-level_variety Subtropical_jet_stream" Pacific_Northwest El_Nino Southern_Oscillation El_Nino !!! El Niño and La Niña Years and Intensities !!! What are El Niño and La Niña? Three phases of the El Niño–Southern Oscillation (ENSO) noaa.gov CFS 90 day Understanding El Nino Youtube yearsenso.png oni.png 76-19.png 195-1990.png CFS weekly forecast output CPC Seasonal climate forecast from CFSv2 CFS Forecast of Seasonal Climate Anomalies for Oct 2012 to Jun 2013 CFSv2 Forecast of Weekly Climate Anomalies NCDC data NOMADS data access CFS homepage:The NCEP Climate Forecast System Ver 2 (CFSv2) El Niño - La Nina influences Atlantic-Pacific hurr seasons? (FAQ) |
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