MapMaster 3
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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.
Sea-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.
-0.5 to -0.25 | -0.25 to 0.25 | 0.25 to 0.5 | 0.5 to 0.75 | 0.75 to 1.0 | 1.0 to 1.25 | 1.25 to 1.5 | 1.5 to 1.75 | U.S. Presidential Election: Popular Vote by County, 2012 | Class | Rank | Quadrillion BTUs | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3.61% | 5.25% | 24.0% | 2.19% | 8.23% | 7.64% | 10.5% | 43.8% | |||||
| 31.0% | 100% | |||||||||||
| 22.4% | ||||||||||||
| 2.41% | ||||||||||||
| 1.01% | ||||||||||||
| 5.09% | 3.96% | |||||||||||
| 100% | ||||||||||||
| 10.5% | 13.5% | 1.09% | ||||||||||
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