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Unlike older physical sciences like physics and chemistry, atmospheric sciences developed most of its theories in the 20th century, especially after the start of the aviation industry, when a three-dimensional picture of the atmosphere was needed to navigate safely. One of the puzzles in early weather forecasting was why it took longer to fly from…
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Today marks the 60th anniversary of the Keeling Curve, which showed (and is still showing) the increase in carbon dioxide in the atmosphere as measured at Mauna Loa Observatory. We passed the 400 ppm mark in 2013 and the carbon dioxide levels are continuing to grow at an increasing rate (with the seasonal variation overlaid…
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The latest Drought Monitor released this morning, shows that new areas of moderate drought were introduced into central Florida, far northern Virginia and northwestern Alabama this week. Drought conditions remained constant in Georgia and North Carolina. Some further expansion of drought conditions may occur in Florida this coming week, since most of the rain is…
Posted in: Drought -
I was surprised to learn today that avocado trees fruit much more heavily on alternate years. Last year was a “down” year and supplies were low. This year is an “up” year, which means that they should be easier to find and probably cheaper, too. The Packer noted that supplies from California, Mexico and Peru…
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On Thursday March 29 there will be a live webinar on Forestrywebinars.net at 2 pm covering two new sources of information on climate and drought data. The information on what will be covered is listed below. The webinar should also be recorded for later viewing. Preregistration is not required. Here is the link to the…
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Here is an interesting set of photos of a small development on the North Sea taken from 2001 to the present which shows how much the coast there has eroded over the last couple of decades. We should be glad that our geology in the Southeast is a bit different than this! You can view…
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This week the USDA published a new 38-page report which contains information on the possible range of changes that we can expect to see across the United States through the end of the century. The changes include minimum temperature and associated plant hardiness zones, degree days, and drought severity. As you might expect, the changes…
Posted in: Climate and Ag in the news