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South Dakota, Potter

Public Information Statement

Statement as of 8:41 AM CDT on August 27, 2014


... NWS damage survey for August 23 2014 tornado event...

... Amended to add another confirmed tornado report...

.Tornado #1... Faulk County tornado(new tornado)...

Rating: EF-0
estimated peak wind: 70 mph
path length /statute/: 1.79 miles
path width /maximum/: 10 yards
fatalities: 0
injuries: 0

Start date: August 23 2014
start time: 530 PM CDT
start location: 7.84 miles west of Cresbard
start lat/lon: 45.18 / -99.11

End date: August 23 2014
end time: 535 PM CDT
end location: 8.58 miles west-northwest of Cresbard
end_lat/lon: 45.21 / -99.12

A tornado was confirmed in Faulk County based upon evidence seen in videos
provided by trained spotters along with minor tree damage seen during the
National Weather Service storm survey. The tornado touched down roughly
1 mile south of Highway 20... tracking north... or just west of north... to a
location roughly 3/4 mile north of Highway 20. Minor tree damage was seen
at a house located along Highway 20 where the tornado crossed. Damage of
this magnitude is consistent with wind speeds of 70 mph... or EF-0 damage.

.Tornado #2... Faulk County...

Rating: EF-0
estimated peak wind: 80 mph
path length /statute/: 5 miles
path width /maximum/: 15 yards
fatalities: 0
injuries: 0

Start date: August 23 2014
start time: 535 PM CDT
start location: 8.8 miles west of Cresbard
start lat/lon: 45.18 / -99.13

End date: August 23 2014
end time: 546 PM CDT
end location: 9.2 miles northwest of Cresbard
end lat/lon: 45.24 / -99.10

A tornado was confirmed in Faulk County based upon evidence seen during a
National Weather Service storm survey... coupled with spotter reports and video
footage provided by trained spotters. The tornado touched down about 0.8 miles
south of Highway 20. The tornado traveled 5 miles to the north northeast
before lifting. The tornado caused minor damage to two farmsteads. A garage
door was blown over the roof of the garage along with tree damage at one place.
A livestock trailer was blown over along with more tree damage at the second
place. Damage of this magnitude is consistent with wind speeds of 75 to 80
mph... or EF-0 damage

.Tornado #3... Edmunds County...

Rating: EF-1
estimated peak wind: 90 mph
path length /statute/: 1 mile
path width /maximum/: 10 yards
fatalities: 0
injuries: 0

Start date: August 23 2014
start time: 631 PM CDT
start location: 3.5 miles northeast of Ipswich
start lat/lon: 45.48 / -98.98

End date: August 23 2014
end time: 6:38 PM CDT
end location: 4.5 miles northeast of Ipswich
end lat/lon: 45.50 / -98.97

A tornado was confirmed in Edmunds County based upon evidence seen during a
National Weather Service storm survey. The tornado touched down about 3.5
miles northeast of Ipswich... traveling about 1 mile to the northeast before
lifting. Damage was sustained to a farmhouse in this location. The house lost
a section of its roof along with siding. A metal outbuilding also lost the
majority of its roof and a tractor was damaged due to flying debris. There
was also tree damage and a dented grain bin at this location. Damage of this
magnitude is consistent with wind speeds of 90 to 95 mph... or EF-1 damage.

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

Note:
the information in this statement is preliminary and subject to
change pending final review of the events and publication in NWS
storm data.


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