National Weather Service United States Department of Commerce

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. 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):

http://www.spc.noaa.gov/wcm/ustormaps/2001-2010-fatals.png

 

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