Sea-Surface Temperature Anomalies: El Niño
OceansPhysical EnvironmentA composite of sea-surface temperature anomalies during El Niño from November to March during the following years: 1958, 1966, 1973, 1983, 1987, 1992, 1996, and 1998. When sea-surface temperatures in the tropical eastern Pacific rise well above normal, it is known as an El Niño event.
NOAASea-surface temperature anomalies during El Niño. The most intense warming (2 to 2.25 degrees Celsius, dark brown) occurs off the coast of South America. Cooler areas (negative 2.25 to negative 2 degrees Celsius, dark blue) are in the Arctic Ocean.
-0.25 to 0.25 | 0.75 to 1.0 | 1.0 to 1.25 | 1.25 to 1.5 | 1.5 to 1.75 | Salt Marshes | Class | Rank | Million Metric Tons | Cleveland | Hood | Hualalai | Kilauea | Mauna Loa | Novarupta | Okmok | Redoubt | Shishaldin | Spurr | St. Helens | Vsevidof | Westdahl | Yellowstone | BP Amoco Cherry Point Refinery | BP Texas City Refinery | BP Toledo Refinery | BP West Coast Products Refinery | BP Whiting Refinery | Chalmette Refining LLC Refinery | Chevron El Segundo Refinery | Citgo Corpus Christi Refinery | Citgo Petroleum Corp Lake Charles Refinery | Coffeyville Resources Refinery | ConocoPhillips Alliance (Belle Chasse) Oil Refinery LA USA | ConocoPhillips Borger Refinery | ConocoPhillips Linden Refinery | ConocoPhillips Ponca City Refinery | ConocoPhillips Sweeny Refinery | ConocoPhillips Westlake Refinery | ConocoPhillips Wilmington Refinery | ConocoPhillips Wood River Refinery | Crown Central Petroleum Corp Refinery | Deer Park Refining LTD Ptnrshp Refinery | ExxonMobil Baytown Refinery USA | ExxonMobil Beaumont Refinery | ExxonMobil Joliet Refinery | ExxonMobil Torrance Refinery | Flint Hills Resources LP Refinery | Flint Hills Resources LP Saint Paul Refinery | Flint Hills Resources North Pole Refinery | Frontier Refining and Marketing Inc El Dorado Refinery | Imperial Oil Nanticoke Refinery | Imperial Oil Sarnia Refinery | Imperial Oil Strathcona Refinery | Irving Oil Limited Refinery | Lyondell Citgo Refining Houston Refinery | Marathon Ashland Petroleum LLC Catlettsburg Refinery | Marathon Ashland Petroleum LLC Garyville Refinery | Marathon Ashland Petroleum LLC Robinson Refinery | Motiva Enterprises LLC Convent Refinery | Motiva Enterprises LLC Norco Refinery | Motiva Enterprises LLC Port Arthur Refinery | Murphy Oil U.S.A. Inc Meraux Refinery | North Atlantic Refining Come by Chance Refinery | PBF Paulsboro Refinery NJ USA | PDV Midwest Refining LLC Lemont Refinery | Petro Canada Edmonton Refinery | Petro Canada Montreal Refinery | Premcor Refining Group Inc Lima Refinery | Premcor Refining Group Inc Memphis Refinery | Premcor Refining Group Inc Port Arthur Refinery | Premcore Refining Group Inc Delaware Refinery | Shell Anacortes Refinery | Shell Montreal East Refinery | Shell Oil Martinez Refinery | Shell Scotford Refinery | Sunoco Philadelphia Refinery | Sunoco Toledo Refinery | Tesoro Golden Eagle Martinez Refinery | Total Petrochemicals Inc Port Arthur Refinery | Ultramar(Valero) Jean-Gaulin Refinery | Valero Energy Corp Sunray Refinery | Valero Refining Co Corpus Christi West Refinery | Valero Refining Co Texas City Refinery | Valero Refining Corpus Christi East Plant | Valero Refining Port Arthur Refinery | Valero Saint Charles Oil Refinery LA USA | Valero Wilmington Refinery | Western Refining Co El Paso Refinery | |
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0.311% | 1.20% | 0.159% | 0.444% | 2.10% | 0.594% | 1 | 2 | 1 | 14 | 3 | 1 | 1 | 1 | 2 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |