Arctic Front Brings Winter Weather and Colder Temperatures to the Eastern U.S.

A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >

2013 South Dakota Tornadoes

Below is a plot of the tornadoes which occurred in South Dakota in 2013 (click to enlarge):

Below is a brief summary of the 2013 tornado season:

· 2013 was a relatively quiet year with only 14 tornadoes reported across the State

· Here is the breakdown of 2013 tornadoes by EF-Scale:

o EF0 = 11

o EF1 = 3

o EF2 = 0

o EF3 = 0

o EF4 = 0

o EF5 = 0

· South Dakota averages about 35 tornadoes per year (based on 2001-2010 data)

· South Dakota has now seen a below average number of tornadoes since 2010 (click to enlarge)

Below is the 10 year total of tornado fatalities by state (2001-2010):

Fortunately – South Dakota has not had a directly related tornado death since 1999! Hopefully that trend continues for years to come!

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