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NOUS43 KABR 061241 AAA
PNSABR
SDZ005-070045-

Public Information Statement...UPDATED
National Weather Service Aberdeen SD
741 AM CDT Mon Jul 6 2020

...NWS DAMAGE SURVEY FOR 07/04/2020 TORNADO EVENT - UPDATE #2... 

.Tornado 3 Miles NNW Wetonka, SD...

Rating:                 EF-2
Estimated peak wind:    115 mph
Path length /Statute/:  2.65 miles
Path width /Maximum/:   150 yards
Fatalities:             0
Injuries:               0

Start date:             July 04 2020
Start time:             7:35 PM CDT
Start location:         3 Miles NNW Wetonka, SD
Start Lat/Lon:          45.6688 / -98.7980

End date:               July 04 2020
End time:               7:39 PM CDT
End location:           1 Miles NNE Wetonka, SD
End Lat/Lon:            45.6423 / -98.7581

A tornado touched down 3 miles NNW of Wetonka, SD. The Grassland
Hutterite Colony sustained the most damage. A large machine shop
lost a roof and wall. A large, empty, anchored grain bin was
completely removed from its base and the adjacent feed mill was
significantly damaged. A 400 ft x 80 ft turkey barn was completely
destroyed along with a smaller outbuilding. Debris from these two
buildings was scattered in many directions. A trailer was
flipped, freight storage unit rotated and two other outbuildings
had complete loss of roof panels. Roof and siding damage occurred
to many of the residential buildings. Tree and crop damage were
also noted. The tornado tracked over 2 miles southeast, crossing
McPherson County HWY 23 and ending about one mile NNE of Wetonka,
SD. Debris from Grassland Colony was dispersed along the entire
track of the tornado.

EF SCALE: The enhanced fujita scale classifies tornadoes into the
following categories.

EF0...Weak...... 65 to 85 mph
EF1...Weak...... 86 tO 110 mph
EF2...Strong.... 111 To 135 mph
EF3...Strong.... 136 to 165 mph
EF4...Violent... 166 To 200 mph
EF5...Violent... >200 mph

.THUNDERSTORM WIND 1 Mile W Wetonka, SD...

Peak wind estimated:    97 mph
Path length /Statute/:  0.1 miles
Fatalities:             0
Injuries:               0

Start date:             July 04 2020
Start time:             7:25 PM CDT
Start location:         1 Mile W Wetonka, SD

End date:               July 04 2020
End time:               7:45 PM CDT
End location:           1 Mile W Wetonka, SD

Residents were not home at the time of the storm, but it is likely
multiple rounds of strong winds occurred. The strongest from the
northwest, but also very strong southerly winds from the storm
inflow. The most significant damage was done to a machine shop
which lost a majority of the roof and walls. Farm machinery was
damaged including a seed drill which was rotated and a feed wagon
which was rolled on its side. An old barn was also toppled. This
damage primarily spread from northwest to southeast. Finally, a
small outbuilding was tossed back to the north, likely from strong
southerly storm inflow winds.

.THUNDERSTORM WIND 2.5 Miles WSW Wetonka, SD...

Peak wind estimated:    97 mph
Path length /Statute/:  0.5 miles
Fatalities:             0
Injuries:               0

Start date:             July 04 2020
Start time:             7:35 PM CDT
Start location:         2.5 Miles WSW Wetonka, SD

End date:               July 04 2020
End time:               7:50 PM CDT
End location:           2.5 Miles WSW Wetonka, SD

Significant damage occurred to the Long Lake Hutterite Colony.
Eye witnesses said two rounds of winds caused damage to the
property. Southerly storm inflow winds ripped multiple roof
panels off four separate turkey barns. Debris was spread to the
west north west. Additional damage was done to a feed mill and a
machine shed was completely destroyed. Debris from these buildings
was tossed from north northwest to south southeast. Other grain
bin damage also occurred.

NOTE:
The information in this statement is PRELIMINARY and subject to
change pending final review of the events and publication in NWS
Storm Data.

$$