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What is a Mesoscale Convective System?

In the summer it is not unusual to see organized systems of thunderstorms move into the Southeast from the southern Plains.  They often form at night and continue moving to the east or southeast during the next day.  One came into the Southeast yesterday, and another is approaching our area…
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What’s the difference in impacts between a strong and a weak El Nino?

NOAA is now predicting a 90 percent chance of a strong El Nino lasting into the fall and most likely through the winter.  What does that mean for impacts across the country?  Cliff Mass has an excellent blog posting on this subject at http://cliffmass.blogspot.com/2015/06/a-strong-el-nino-develops-what-does.html. Even though his blog is directed towards…
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“Is Second Place Really ‘First Loser’?”

Climate.gov has a great new entry on their “Beyond the Data” blog.  Deke Arndt of NOAA’s National Centers for Environmental Information writes on the value and the problems that come with ranking data year by year.  You can read it at http://www.climate.gov/news-features/blogs/beyond-data/second-place-really-first-loser.  Here’s the cartoon that goes with it:
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