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 | Tropical Forests | Salt Marshes | Arctic | California | Eastern Woodlands, Northeast | Great Basin | Northwest Coast | Plains | Plateau | Southwest | Subarctic | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Hawaii | 1.74% | 1.20% | 0.113% | 0.444% | 2.10% | |||||||||||
Florida | 0.596% | 1.15% | 1.33% | |||||||||||||
Prince Edward Island | 1.25% | 0.264% | 1.22% | |||||||||||||
Mississippi | 0.461% | |||||||||||||||
Louisiana | 0.184% | 0.106% | ||||||||||||||
Alabama | 0.174% | |||||||||||||||
South Carolina | 6.81% | |||||||||||||||
Georgia | 2.72% | |||||||||||||||
Alaska | 0.318% | 45.7% | 1.02% | 46.0% | ||||||||||||
Arizona | 8.41% | 91.6% | ||||||||||||||
Utah | 98.8% | 1.20% | ||||||||||||||
Yukon | 6.48% | 92.2% | ||||||||||||||
Northwest Territories | 13.2% | 69.8% | ||||||||||||||
District of Columbia | 100% | |||||||||||||||
Idaho | 78.0% | 22.0% | ||||||||||||||
New Hampshire | 1.37% | 99.9% | ||||||||||||||
Rhode Island | 4.64% | 2.01% | 96.5% | |||||||||||||
Vermont | 100% | |||||||||||||||
Washington | 0.513% | 0.132% | 65.1% | |||||||||||||
Wyoming | 62.6% | 37.4% | ||||||||||||||
Nunavut | 0.352% | 35.9% | 6.18% | |||||||||||||
Montana | 9.49% | 74.5% | 16.0% | |||||||||||||
Maine | 0.133% | 0.322% | 99.2% | |||||||||||||
North Dakota | 1.37% | 98.6% | ||||||||||||||
Kentucky | 82.5% | |||||||||||||||
Nova Scotia | 0.847% | 0.591% | 78.9% | |||||||||||||
Virginia | 0.126% | 0.493% | 45.2% | |||||||||||||
Delaware | 0.762% | 33.7% | 96.5% | |||||||||||||
Saskatchewan | 38.0% | 62.0% | ||||||||||||||
West Virginia | 64.1% | |||||||||||||||
Nebraska | 100% | |||||||||||||||
Texas | 0.183% | 0.123% | 50.9% | 39.0% | ||||||||||||
Missouri | 12.0% | 82.4% | ||||||||||||||
North Carolina | 0.319% | 0.191% | 27.2% | |||||||||||||
Oregon | 53.9% | 18.0% | ||||||||||||||
New Brunswick | 0.522% | 0.488% | 99.0% | |||||||||||||
New Mexico | 2.83% | 97.2% | ||||||||||||||
Kansas | 100% | |||||||||||||||
Wisconsin | 96.4% | 3.59% | ||||||||||||||
British Columbia | 0.126% | 0.160% | 4.67% | 18.1% | 57.3% | |||||||||||
Newfoundland and Labrador | 0.392% | 10.1% | 67.6% | |||||||||||||
New Jersey | 0.329% | 15.3% | 98.7% | |||||||||||||
Michigan | 100% | |||||||||||||||
Alberta | 31.3% | 4.22% | 64.5% | |||||||||||||
Connecticut | 0.797% | 99.4% | ||||||||||||||
Pennsylvania | 100% | |||||||||||||||
Colorado | 60.5% | 25.0% | 14.5% | |||||||||||||
Nevada | 99.9% | |||||||||||||||
Massachusetts | 1.78% | 3.30% | 98.0% | |||||||||||||
New York | 0.105% | 0.102% | 99.5% | |||||||||||||
Maryland | 0.874% | 0.178% | 96.7% | |||||||||||||
Québec | 11.3% | 64.2% | ||||||||||||||
Manitoba | 10.8% | 7.55% | 81.6% | |||||||||||||
Oklahoma | 92.6% | |||||||||||||||
Tennessee | 11.6% | |||||||||||||||
Ontario | 47.4% | 52.5% | ||||||||||||||
California | 0.110% | 0.156% | 77.4% | 20.3% | 1.70% | |||||||||||
Arkansas | 35.1% | |||||||||||||||
South Dakota | 100% | |||||||||||||||
Ohio | 100% | |||||||||||||||
Indiana | 100% | |||||||||||||||
Minnesota | 44.4% | 55.6% | ||||||||||||||
Iowa | 27.3% | 72.7% | ||||||||||||||
Illinois | 98.8% | |||||||||||||||
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