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Observing & Predicting

  • Department: 

    If the climate conditions that indicate ENSO are best measured as seasonal averages, will scientists wait for conditions to persist three months before declaring El Niño underway?

  • May 22, 2014

    In April 2011, Texas was in the midst of what may have been its worst fire season in history. As the season began, NOAA outlooks and observations helped fire managers think strategically about where their resources could be most effective.

  • May 22, 2014

    CarbonTracker is a tool for modelling sources and sinks of carbon dioxide. Users can download the code, carbon dioxide data, and the tool's carbon flux estimates to conduct their own analyses or to help improve the system.

  • Department: 

    ENSO arises from changes across the tropical Pacific Ocean. So why does ENSO affect the climate over sizable portions of the globe, including some regions far removed from the tropical Pacific Ocean?

  • Department: 

    Though ENSO is a single climate phenomenon, it has three states, or phases, it can be in. The two opposite phases, “El Niño” and “La Niña,” require certain changes in both the ocean and the atmosphere because ENSO is a coupled climate phenomenon. “Neutral” is in the middle of the continuum.

  • Department: 

    A team of climate scientists—actual nerds!—discuss the current El Niño Watch and offer perspectives and analysis on the progression of El Niño.

  • Department: 
    May 1, 2014

    Like a prehistoric fly trapped in amber during dinosaurs' days, airborne relics of Earth's earlier climate can end up trapped in glacial ice for eons. How do climate scientists turn those tiny relics into a story about Earth's ancient climate?

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