El Niño-Southern Oscillation Indicators

CPC - Climate Weather Linkage: El Niño-Southern Oscillation

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This webpage from the NOAA's Climate Prediction Center provides current information related to the El Niño-Southern Oscillation (ENSO), including technical information for forecasting impacts in the United States.

Where do these data come from?

Sea Surface Temperatures come from data gathered by instruments on NOAA operational satellites, ships, buoys, and maps of sea ice. Wind and pressure information is from the Climate Data Assimilation System, a set of computer algorithms that analyze observed air pressure patterns to discern conditions at various levels of the atmosphere. Discussions and weekly update presentation on the site are contributed by meteorologists.