climate

What are El Niño and La Niña?

The terms El Niño and La Niña refer to periodic changes in Pacific Ocean sea surface temperatures[1] that have impacts on weather all over the globe. In the Pacific Ocean near the equator, temperatures in the surface ocean are normally very warm in the western Pacific and cool in the eastern Pacific[2]. This helps to generate heavy rains over southeastern Asia and northern Australia and keeps parts of Pacific coastal South America relatively dry[2].

NOAA experts give monthly update on U.S. and global climate conditions

Satellite image of Hurricane Isabel.  Image Credit: Jacques Descloitres, NASA

June 16, 2016 -The National Oceanic and Atmospheric Administration (NOAA) held their Monthly Climate Briefing telecast on June 16, 2016. The presentations summarized NOAA’s May U.S. and global climate analyses, monthly and seasonal forecasts, and the outlook for La Niña development. The speakers were Deke Arndt and Brad Pugh, both of NOAA.

Visualization of historical and predicted global temperature change

The U.S. Geological Survey (USGS) has produced a visualization that shows the change in the globally averaged monthly air temperature from 1850 to the present relative to the 1850-1900 average. It also extends the visualization for temperature predictions to the year 2100 based on model RCP8.5 from the Intergovernmental Panel on Climate Change (IPCC).

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