Strange weather

MILLBROOK — Hurricane Irene caused havoc in New York state in August and an unexpected early snowstorm caused record-breaking power outages in October. It’s hard to ignore the strange and extreme weather occurring around the region. Although the snow from the October storm has melted and December is upon us, autumn leaves remain on many trees. So what’s the reason for this unusual weather? An exact answer as to why the weather changes so drastically in such short periods of time is hard to come by, according to Gary Lovett, a forest ecologist and senior scientist from the Cary Institute of Ecosystem Studies in Millbrook. The Cary Institute is home to a weather station where scientists can monitor the wily ways of the weather; Lovett shared his insight as to why the forecast seems to be forever changing, more now so than ever before.Lovett said that it’s important to understand the difference between weather and climate. Weather being what it happening day-to-day and climate being the average of that weather over a long period of time. “We know the climate it changing but we have had weird weather events from forever,” said Lovett. “We can can’t pin any individual weird weather event on climate change, but people who are making the predictions about climate change say that one of the things that’s going to happen not only is that it’s going to get warmer but there will be more extreme events, so they are predicting more hurricanes and more intense hurricanes in the future due to climate change.”Lovett said Hurricane Irene was actually a tropical storm with a lot of wind and rain, however in terms of hurricane standards it was not that bad, and could have been a lot worse.If more hurricanes begin to hit North America, the result will be more frequent hurricanes striking the Northeast. The reason is due to the fact that the weather is staying warmer as a result of the greenhouse effect, said Lovett. The burning of fossil fuels such as coal, oil and natural gas is putting carbon dioxide into the atmosphere, which acts like a blanket on the planet, keeping the warmth in. The warmth cannot escape out of the atmosphere, and it causes the atmosphere to remain warmer. The greenhouse effect increases the ability of the planet to retain heat.“The snowstorm [we had in October], that’s a different thing. I mean, I haven’t heard anybody say that early season snowstorms would be a result of climate change,” said Lovett. “I think that was probably just a freak event. But the fact that the leaves are still on the trees, this is late for the leaves to be on the trees [and that causes its own problems]. That’s certainly something you’re going to have to expect if we have warmer weather.”The trees took a huge beating in the October snowstorm due to so many leaves still being on the trees, as the heavy snow took branches and whole trees down with the snow. Lovett said that the breakage may very well affect the future growth of those trees. Plants and trees thrive in warmer weather with water and nutrients so they like carbon dioxide in the atmosphere, however if more bizarre storms continue it will likely decrease the growth of trees in the future.The scientist said that it’s difficult to pin down the reason for strange shifts in weather. Lovett said that he has heard people use a term frequently called ‘weather weirding,’ meaning that the weather is going to continue to get stranger and stranger. As there will be more extreme and intense weather events, the term is fitting, Lovett said. The Cary Institute scientist said that one prediction he has heard is that there will be more ice storms in the winter, which will only cause more breakage of trees.

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