La Nina is characterized by unusually cold ocean temperatures in the eastern equatorial Pacific, as compared to El Ni o, which is characterized by unusually warm ocean temperatures in the equatorial Pacific. Temperature and Precipitation Impacts During La Ni a Seasonal mean temperature and precipitation maps are available from the Climate Prediction Center . The impacts of El Ni o and La Ni a at these latitudes are most pronounced in the wintertime. During a La Ni a year, winter temperatures are warmer than normal in the Southeast and cooler than normal in the Northwest. La Ni a means The Little Girl.
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