Morton County Tornado from July 9, 2013

A supercell thunderstorm produced a brief EF0 tornado north of Sweet Briar Lake in Morton county on July 9, 2013.  The tornado damaged or destroyed three barns and destroyed two grain bins at a farmstead.   

  • Rating:  EF0
  • Peak Wind (estimated):  80 mph
  • Path Length (estimated):  2 miles
  • Path Width (estimated):  50 yards
  • Start / End Times (estimated):  354 PM CDT to 357 PM CDT
  • Event Location (estimated):  5.5 miles north of Judson to 4.5 miles north/northeast of Judson



For reference, the Enhanced Fujita Tornado Scale classifies tornadoes into the following categories:

  • EF0....Wind Speeds 65 to 85 mph
  • EF1...Wind Speeds 86 to 110 mph
  • EF2...Wind Speeds 111 to 135 mph
  • EF3...Wind Speeds 136 to 165 mph
  • EF4...Wind Speeds 166 to 200 mph
  • EF5...Wind Speeds greater than 200 mph


Storm as it went went across Morton County, ND
              Photo courtesy of Dan Brothers



Bismarck radar (reflectivity) image at 352 PM CDT



Bismarck radar (storm relative velocity) image at 352 PM CDT












Bismarck radar (reflectivity) image at 357 PM CDT




The National Weather Service wishes to thank Morton county emergency management, law enforcement, and county residents for providing detailed storm reports.





Return to News Archive is the U.S. government's official web portal to all federal, state and local government web resources and services.