
Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >
Aberdeen, SD
Weather Forecast Office
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!
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Aberdeen, SD
824 391st Ave S.
Aberdeen, SD 57401-9311
605-225-0519
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