Climate science
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According to my friend John Feldt of Blue Water Outlook, we are entering the time of year which is historically the cloudiest for the majority of the United States. Where I grew up in Michigan and Wisconsin, late fall and early winter was typically the cloudiest, in part due to the passage of frequent low…
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A massive new report published by the federal government on Friday looks at causes of warming climate and concludes that it is mainly caused by humans rather than due to natural causes like solar variability. As you can imagine, there have been a number of stories published in the news describing these results. Here are…
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The Washington Post published a hopeful article earlier this week about the ozone hole over Antarctica, which has been shrinking ever since chlorofluorocarbons (CFCs) and related chemicals were banned from use as refrigerants. This year the ozone hole is the smallest it has been since 1988. It was the largest in 2000. The presence of…
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EarthSky has an interesting report today based on some research that was reported this week at the Geological Society of America’s annual meeting in Seattle on climate impacts of the Yellowstone volcanic eruptions that took place 630,000 years ago. The study showed that there was not one but two closely-spaced eruptions that sent out a…
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Yesterday I posted the latest seasonal outlook for winter for the US. One of the things it showed was the likely impact of the developing La Niña on this coming winter. But the Climate Prediction Center uses other things as well to make their predictions. Here at Climate.gov Tom DiLiberto discusses how trends are used…
Posted in: Climate science -
Now that fall has finally arrived, it’s time to start thinking about when frost will return to the Southeast. Here are a few resources to help you find the average date of first fall frost. I will post an article later this week that describes how to get real-time frost forecasts. Keep in mind that…
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EarthSky posted an interesting story this week about a new study that indicates that the eruption of tropical volcanoes like Mount Pinatubo in 1991 can lead to the development or strengthening of El Niño conditions. While we can’t predict when a large tropical eruption will occur, once it does we can use the results of…