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Natural Climate Patterns
Department:March 25, 2015You're not the only one wondering if we will see El Niño grow or continue into this coming winter 2015. How useful are March winds and subsurface temperatures across the tropical Pacific Ocean in predicting winter El Niño or La Niña states?
Department:March 25, 2015Uncommon atmospheric circumstances spawned a pair of tropical cyclones in the western Pacific—one on either side the equator, at nearly the same longitude, at nearly the same time. Why are twin cyclones more common during El Niño?
Department:March 9, 2015Guest blogger Dennis Hartmann makes the case that warm waters in the western tropical Pacific—part of the North Pacific Mode climate pattern—are behind the weird U.S. winter weather of the past two seasons.
Department:March 5, 2015This pair of maps shows whether your state tends to have wet, dry, or average springs during El Niño, and how often the wet or dry pattern occurred during the last 10 El Niño years.
Department:February 20, 2015One of nature’s truly awe-inspiring creations, caves and the unique rock formations inside them are not only breathtaking but are also natural recorders of climate.
Department:February 19, 2015The model predictions during 2014 were not that shabby. A major, strong El Niño was not well justified by the predictions.
Department:February 11, 2015For more than 6 months, NOAA has been issuing El Niño watches, but never an advisory. Here we show whether recent patterns in precipitation resemble those expected during El Niño.
Department:February 11, 2015Millions of people in southern Africa depend on monsoon rains that begin around November and last until March or April. If the monsoon is erratic, millions of people can suffer. So far in 2014-2015, the monsoon in southeastern Africa has been anything but normal.
Department:February 5, 2015At the beginning of February, the atmosphere was looking a little bit like El Niño. Is this just another rolling stone?
Department:January 29, 2015ENSO blogger Tony Barnston explains why climate forecasters can't get by with just a single indicator for predicting El Niño and La Niña.
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