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 | 0.5 to 1.0 | 1.0 to 1.5 | 1.5 to 2.0 | 2.0 to 3.0 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
Alaska | 0.318% | 0.667% | 69.6% | 29.7% | |||||||
Arizona | 100% | ||||||||||
Utah | 42.2% | 57.8% | |||||||||
Yukon | 89.2% | 10.8% | |||||||||
Northwest Territories | 58.9% | 41.1% | |||||||||
District of Columbia | 100% | ||||||||||
Florida | 0.596% | 1.15% | 1.33% | 80.2% | 19.8% | ||||||
Idaho | 18.3% | 81.7% | |||||||||
New Hampshire | 1.37% | 76.6% | 23.4% | ||||||||
Rhode Island | 4.64% | 2.01% | 100% | ||||||||
Vermont | 25.6% | 74.4% | |||||||||
Washington | 0.513% | 0.132% | 75.8% | 24.2% | |||||||
Wyoming | 98.2% | 1.78% | |||||||||
Nunavut | 0.352% | 11.7% | 88.3% | ||||||||
Montana | 29.3% | 70.7% | |||||||||
Maine | 0.133% | 0.322% | 46.2% | 53.8% | |||||||
North Dakota | 100% | ||||||||||
Kentucky | 100% | ||||||||||
Nova Scotia | 0.847% | 0.591% | 100% | ||||||||
Virginia | 0.126% | 0.493% | 100% | ||||||||
Delaware | 0.762% | 33.7% | 100% | ||||||||
Prince Edward Island | 1.25% | 0.264% | 1.22% | 69.9% | 30.1% | ||||||
Saskatchewan | 100% | ||||||||||
Mississippi | 0.461% | 1.68% | 98.3% | ||||||||
West Virginia | 100% | ||||||||||
Nebraska | 86.0% | 14.0% | |||||||||
Texas | 0.183% | 0.123% | 0.700% | 99.3% | |||||||
Missouri | 99.3% | 0.692% | |||||||||
Louisiana | 0.184% | 0.106% | 22.6% | 77.4% | |||||||
Hawaii | 1.74% | 1.20% | 0.113% | 0.444% | 2.10% | 100% | |||||
North Carolina | 0.319% | 0.191% | 0.757% | 99.2% | |||||||
Oregon | 84.6% | 15.4% | |||||||||
New Brunswick | 0.522% | 0.488% | 28.8% | 71.2% | |||||||
Alabama | 0.174% | 0.226% | 99.8% | ||||||||
New Mexico | 100% | ||||||||||
Kansas | 100% | ||||||||||
Wisconsin | 100% | ||||||||||
British Columbia | 0.126% | 0.160% | 8.35% | 91.6% | |||||||
Newfoundland and Labrador | 0.392% | 62.6% | 37.4% | ||||||||
New Jersey | 0.329% | 15.3% | 100% | ||||||||
South Carolina | 6.81% | 0.446% | 99.6% | ||||||||
Michigan | 100% | ||||||||||
Alberta | 100% | ||||||||||
Connecticut | 0.797% | 100% | |||||||||
Pennsylvania | 99.6% | 0.379% | |||||||||
Colorado | 100% | ||||||||||
Nevada | 59.2% | 40.8% | |||||||||
Massachusetts | 1.78% | 3.30% | 0.220% | 99.8% | |||||||
Georgia | 2.72% | 10.5% | 89.5% | ||||||||
New York | 0.105% | 0.102% | 44.6% | 55.4% | |||||||
Maryland | 0.874% | 0.178% | 100% | ||||||||
Québec | 3.13% | 86.6% | 10.3% | ||||||||
Manitoba | 100% | ||||||||||
Oklahoma | 100% | ||||||||||
Tennessee | 100% | ||||||||||
Ontario | 100% | ||||||||||
California | 0.110% | 0.156% | 100% | ||||||||
Arkansas | 100% | ||||||||||
South Dakota | 18.5% | 81.5% | |||||||||
Ohio | 86.8% | 13.2% | |||||||||
Indiana | 78.8% | 21.2% | |||||||||
Minnesota | 100% | ||||||||||
Iowa | 9.22% | 90.8% | |||||||||
Illinois | 57.7% | 42.3% | |||||||||
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