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Millions 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.

During the second half of December and the beginning of January, places from Sri Lanka to northwest Australia experienced exceptionally heavy rains, flash floods, and landslides.

From changes in cooling degree days to the local effects of El Niño, the Local Climate Analysis Tool helps meteorologists and others understand the connection between global climate and local impacts.

Never in the historical record have such large areas of the country experienced such radically different temperature extremes as they have so far in 2014.

Climate change is a global phenomenon, affecting weather events around the world.

For much of Alaska, lack of snow, soaking rains, and record-warmth have made October feel more like September.

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