Southeast South Dakota Tornadoes
May 5, 2007

The National Weather Service in Sioux Falls has found evidence that 25 tornadoes touched down in southeast South Dakota between 4 PM and 10 PM CDT on May 5, 2007.  The tornado paths are plotted on the map below.  You may click on the map for a larger view of the tornado tracks.  Below the map is a list of all the tornadoes that occurred, time of occurrence, and the Enhanced Fujita rating.  A detailed survey was done on six of the tornadoes.  Click on the link for that tornado to see more detail.

Map of tornado tracks across southeast South Dakota on May 5, 2007.  Click map for a larger view. 

Location                                                                                             Time                              Rating
3 miles WSW Carthage                          4:31 pm            EF1
2 miles SSE Tyndall to 3 miles NNE Tyndall    4:33 pm–4:38 pm    EF2
5 miles NW Howard                             4:35 pm            EF2
7 miles NNW Tyndall to 6 miles SSE Tripp      4:43 pm–4:50 pm    EF2
1 mile N Tripp                                5:00 pm            EF0
Dimock                                        5:10 pm            EF0
6 miles E Parkston to 5 miles E Dimock        5:16 pm–5:24 pm    EF1
5 miles ESE Mitchell to 3 miles E Mitchell    5:20 pm–5:25 pm    EF1
6 miles NW Alexandria                         5:41 pm            EF1
7 miles SSE Mitchell to 4 miles SE Mitchell   5:50 pm–5:55 pm    EF0
Lewis and Clark State Recreation Area         5:52 pm–5:55 pm    EF1
Lewis and Clark State Recreation Area         5:52 pm            EF0
4 miles SE Plankinton to 2 miles E Plankinton 6:05 pm–6:11 pm    EF3
1 mile N Artesian                             6:15 pm            EF1
5 miles N Lesterville                         6:17 pm            EF2
5 miles S Gregory                             6:30 pm            EF0
7 miles SW Gregory                            6:30 pm            EF0
10 miles W Platte                             6:35 pm            EF0
10 miles N Kimball                            6:40 pm            EF1
Spencer to Epiphany                           7:23 pm–7:37 pm    EF2
3 miles NW Canova                             7:39 pm            EF0
9 miles S Carthage                            7:47 pm            EF1
5 miles E Carthage                            7:56 pm            EF0
6 miles N Carthage                            8:03 pm            EF1
3 miles NW Wolsey                             8:36 pm            EF0

In addition to the above tornadoes, numerous locations saw large hail, damaging winds, and heavy rain/flash flooding on May 5, 2007.  The complete summary of preliminary storm reports from this event is also available. is the U.S. government's official web portal to all federal, state and local government web resources and services.