Public Information Statement
Issued by NWS Tulsa, OK

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NOUS44 KTSA 111937
PNSTSA
ARZ001-002-010-011-019-020-029-OKZ049-053>076-120745-

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
237 PM CDT WED MAY 11 2016

...NWS DAMAGE SURVEY FOR 05/09/16 TORNADO EVENT...

.OVERVIEW...A supercell thunderstorm produced several tornadoes in
Choctaw County on Monday evening. NWS meteorologists conducted
ground surveys of the damaged areas yesterday and their findings
follow.

.Boswell Tornado...

Rating:                 EF-3
Estimated Peak Wind:    135-145 mph
Path Length /Statute/:  12.7 miles in Bryan and Choctaw Counties
Path Width /Maximum/:   3100 yards
Fatalities:             0
Injuries:               2

Start Date:             May 9 2016
Start Time:             624 pm CDT
Start Location:         4.3 SE Bennington / Bryan County / OK
Start Lat/Lon:          33.9713 / -95.9734

End Date:               May 9 2016
End Time:               642 pm CDT
End Location:           6.4 ESE Boswell / Choctaw County / OK
End Lat/Lon:            34.0049 / -95.7588

Survey Summary: This tornado developed southeast of Bennington where
numerous trees were snapped and uprooted. The tornado quickly became
very large. Tree damage suggested it intensified into the EF-2
category before crossing into Choctaw County, which was about 2.3
miles into its path. In Choctaw County, the tornado continued to
widen, producing a damage path of nearly 1.8 miles across, to the
southwest of Boswell. The tornado destroyed at least three mobile
homes. Two injuries occurred in one of the mobile homes, one of which
was critical. Numerous homes were damaged by this tornado, with the
worst damage including major loss of the roof structure and collapse
of a few exterior walls. Numerous outbuildings were also destroyed. A
metal high-voltage transmission tower/truss was destroyed, and
numerous power poles were snapped. Many trees were snapped and
uprooted in the path; trees in several areas were reduced to
shortened trunks with short stumps where large limbs existed.

.Hugo Tornado...

Rating:                 EF-1
Estimated Peak Wind:    95-105 mph
Path Length /Statute/:  6.1 miles
Path Width /Maximum/:   650 yards
Fatalities:             0
Injuries:               0

Start Date:             May 9 2016
Start Time:             702 pm CDT
Start Location:         3.1 W Hugo / Choctaw County / OK
Start Lat/Lon:          34.0107 / -95.5699

End Date:               May 9 2016
End Time:               710 pm CDT
End Location:           3 E Hugo / Choctaw County / OK
End Lat/Lon:            34.0148 / -95.4649

Survey Summary: This tornado developed west of Hugo and moved
eastward across the town. Numerous homes and businesses were
damaged, trees were uprooted, signs were blown down, and storage
buildings were destroyed.

.Hugo Lake Tornado...

Rating:                 EF-0
Estimated Peak Wind:    unknown (no known damage)
Path Length /Statute/:  6 miles (estimated)
Path Width /Maximum/:   150 yards (estimated)
Fatalities:             0
Injuries:               0

Start Date:             May 9 2016
Start Time:             718 pm CDT
Start Location:         6.3 NW Sawyer / Choctaw County / OK
Start Lat/Lon:          34.0770 / -95.4526

End Date:               May 9 2016
End Time:               730 pm CDT
End Location:           2.4 S Spencerville / Choctaw County / OK
End Lat/Lon:            34.1008 / -95.3468

Survey Summary: Storm chasers and storm spotters witnessed this
tornado, which remained over Lake Hugo for much of its life. The
ground survey team investigated accessible areas of land on both the
west and east sides of the lake and could find no damage. Therefore,
much of the detail above is estimated based on observer accounts and
radar data. There are reports of a satellite tornado occurring with
the storm at the same time this tornado is occurring.

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.

$$

EJC/SFP



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