Interesting weather images
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As a meteorologist I am always fascinated by time-lapse videos of clouds moving. They really show that the atmosphere is a fluid not much different than water. This week I ran across two beautiful examples that really capture this. The first one is a video of a sky covered by a cloud type called Undulatus…
Posted in: Interesting weather images -
The evaporative stress index is a way of measuring rates of evapotranspiration from plants and the ground using satellite data. The higher the rates of water use, the more negative the evaporative stress index. The two maps below show the maps for September 2 and September 8. You can see that on September 2,…
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Today most of northeast Georgia is experiencing what natives often call “the wedge,” a shallow layer of cold air that moves down into the state along the east side of the Appalachian Mountains. The official description of this phenomenon is “cold air damming” because the mountains act as a natural dam that restricts the flow…
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Atlantic magazine had an interesting entry in their CityLab blog on temperature extremes in the US this week. The article pointed out that in most year, extremes of cold or warm dominate the country as a whole. However, this year there have been a nearly equal number of record hot and cold temperatures due…
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Two new interactive viewers from NOAA’s Coastal Services Center are available online and provide a detailed look at coastal areas across the US. The C-CAP viewer allows you to look at changes in land use from 1996 to 2010 in many areas of the Southeast, although only counties relatively near the coast are included. You…
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Today marks the 75th anniversary of the national release of “The Wizard of Oz,” one of the most first movies to depict tornadoes and still one of the best, in my opinion. Not bad for a moving tube of fabric! The tornado looks just as realistic as many created by CGI in more recent tornado…
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I was in Jekyll Island last week attending the Georgia Environmental Conference and saw this beautiful scene outside my hotel window one morning: The rays which appear to be stretching out from the horizon are called crepuscular rays, and are actually beams of sunlight shining through breaks in clouds below the horizon. You can…