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Public Information Statement

Statement as of 6:55 PM CDT on May 28, 2015


... NWS damage survey for 05/27/15 tornado event...

.Four tornadoes confirmed northwest of Canadian from Wednesday
night's storm.

.Tornado #1...

Rating: EF2
estimated peak wind: 130 mph
path length /statute/: 1.3 miles
path width /maximum/: 1200 yards
fatalities: 0
injuries: 3

Start date: may 27, 2015
start time: 4:58 PM
start location: 5 NW Canadian
start lat/lon: 35.974/-100.423

End date: may 27, 2015
end time: 5:12 PM
end location: 6 NNW Canadian
end lat/lon: 35.990/-100.408

EF-2 tornado touched down as a Cone at 4:58 PM and quickly
became a wedge tornado with a path width of 0.7 miles.
Approximately forty individuals took cover in a storm
shelter at a drilling rig. Three people outside the shelter
were injured, two of them were airlifted with critical injuries.
The edge of the tornadic rotation lifted two temporary Mobile
homes and lofted them 50 to 70 yards, completely destroying the
structures. Two pickup trucks were also thrown roughly 50 yards.
Some debarking of trees was noted near the destroyed Mobile
homes. Several large temporary structures were also moved from
their original locations. This tornado was well witnessed and
video documented. Personnel at the drilling rig indicate the
large tornado was nearly stationary... moving slightly east and
back west before moving back east into their structure.

.Tornado #2...

Rating: EF1
estimated peak wind: 100 mph
path length /statute/: 0.5 miles
path width /maximum/: 600 yards
fatalities: 0
injuries: 0

Start date: may 27, 2015
start time: 6:02 PM
start location: 3.5 NW Canadian
start lat/lon: 35.940/-100.435

End date: may 27, 2015
end time: 6:03 PM
end location: 4 NW Canadian
end lat/lon: 35.953/-100.423

This was the first of two tornadoes that hit the same area
within minutes. These tornadoes were documented on video
within minutes of each other. It is nearly impossible to
determine which tornado caused what damage but a swath of
EF-1 damage was noted, likely with some caused by each
touchdown.

.Tornado #3...

Rating: EF1
estimated peak wind: 100 mph
path length /statute/: 0.6 miles
path width /maximum/: 600 yards
fatalities: 0
injuries: 0

Start date: may 27, 2015
start time: 6:05 PM
start location: 3.5 NW Canadian
start lat/lon: 35.940/-100.435

End date: may 27, 2015
end time: 6:08 PM
end location: 4 NW Canadian
end lat/lon: 35.953/-100.423

This was the second of two tornadoes that hit the same
area. These tornadoes were documented on video touching
down within minutes of each other. It is nearly impossible
to determine which tornado caused what damage but a swath
of EF-1 damage was noted, likely with some caused by each
touchdown.

.Tornado #4...

Rating: EF0
estimated peak wind: 65 mph
path length /statute/: 0.9 miles
path width /maximum/: 400 yards
fatalities: 0
injuries: 0

Start date: may 27, 2015
start time: 6:38 PM
start location: 5 NW Canadian
start lat/lon: 35.979/-100.422

End date: may 27,2015
end time: 6:42 PM
end location: 6 NNW Canadian
end lat/lon: 35.985/-100.416

This tornado was reported by multiple storm chasers... it also
touched down within the damage path of the first EF2 tornado.
Eyewitness reports indicate that this tornado stayed over open
field and caused no additional 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 event and publication in
NWS storm data.

Simpson/elsenheimer/Buffalo


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