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After my post earlier this week about atmospheric rivers, I was pleased to see that the blog of EDEN (Extension Disaster Education Network) also posted a story on atmospheric rivers, also know as the “Pineapple Express”. You can read their blog posting and view a neat animation at https://blogs.extension.org/edenotes/2015/02/11/weather-wednesday-the-pineapple-express/
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After some nice warm and sunny days, a blast of winter air will be returning to the Southeast by Thursday and will last for several days. The wind map below shows the push of frigid air into the region from Canada. You can see it in action at https://hint.fm/wind/ or the full global version at https://earth.nullschool.net/.…
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A new study to be published in Geophysical Research Letters and described yesterday in National Geographic News indicates that smoke drifting north from burning farmlands in Central America may have enhanced the atmospheric instability on April 27, 2011, increasing the severity of already extreme tornadoes. A computer model which simulated the movement of these black…
Posted in: Climate and Ag in the news -
We’ve been watching the Eastern Pacific Ocean for almost a year, waiting for the onset of El Nino. In the Southeast, El Nino occurrences are related to cool and wet winters and decreased tropical storm activity, so when one occurs we have some extra knowledge about how the weather is likely to behave for the…
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On this date in 1870, the National Weather Service was born. “A Joint Congressional Resolution requiring the Secretary of War “to provide for taking meteorological observations at the military stations in the interior of the continent, and at other points in the States and Territories…and for giving notice on the northern lakes and on the…
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The Christian Science Monitor published a story earlier this month that describes the efforts of some scientists to improve drought resistance in plants by changing their ability to regulate water use. The hope is that by changing the way plants respond to moisture stress, they may be able to alter their behavior when water is limited…
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Climate is a difficult thing to predict because of the number of different factors that have to be taken into account. The WhyFiles blog has a recent detailed article which describes some of the things that climate scientists have to think about when making projections of climate in the future. This posting includes several paragraphs discussing…