|Holmes EF4||Wadena and Almora EF4||Mentor EF3||Overview|
One of the most significant tornado outbreaks in memory occurred during the afternoon and early evening of June 17, 2010. Based on very preliminary information at least 20 tornadoes occurred across eastern North Dakota and northwestern Minnesota during the 4 hour period from 4 pm til 8 pm. This tornado outbreak was the most for the area since June 6, 1999, when 17 tornadoes were reported in North Dakota and 3 in Minnesota, with an F4 tornado in Mountain, North Dakota.
For a great account of a storm chasers perspective of the event, click HERE (credit Jonathan Finch, NWS DDC).
Tornado tracks on June 17, 2010, check back for updates (click for larger image)