Bryce Anderson DTN Ag Meteorologist and DTN Analyst
Mon Nov 18, 2013 09:33 AM CST

The following analysis of the Sunday, November 17, 2013 tornado outbreak in the Midwest by the National Weather Service has some very good points relating to the fact that A) late-fall tornadoes are rare but not unheard-of; and B) when they do form, they are usually powerful and thus, very dangerous.--Bryce

Twitter @BAndersonDTN

While severe thunderstorms are extremely complex, the ingredients they need to develop come down to a few simple ones: 1)warmth and moisture, which create instability 2) strong turning winds with height, creating wind shear and 3) a focus such as a cold front. The stronger these ...

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