Public Information Statement
Issued by NWS Burlington, VT

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NOUS41 KBTV 192004

Public Information Statement
National Weather Service Burlington VT
404 PM EDT Fri May 19 2017

...Strong Microburst in Addison, Vermont on Thursday...

A Severe Thunderstorm moved across Lake Champlain at approximately
615 pm on Thursday and moved ashore on Potash Bay Road in the town
of Addison, Vermont.

The NWS Burlington office conducted a storm survey earlier this
afternoon and has preliminary assessed that the damage was a
result of a Microburst with estimated wind speeds of 80 to 100
mph. It appears the microburst initated over Lake Champlain and
then climbed the 50 foot embankment from the lake to the lakeshore
on Potash Bay road.

There was substantial tree damage of softwood trees such as willow
and pine trees that were snapped and uprooted along with broken
branches on Potash Bay and Lake Roads.

One residence at 296 Potash Bay Road was destroyed as it appears
the roof partially lifted off from the structure, as a result of
a very strong west wind that was lifted from tha lakeshore to the
residence, and then the winds caused the structure to collapse
upon itself with one occupant inside that suffered minor injuries.

There was sporadic soft wood tree damage within a few miles of the
above locations, including Route 22A.

Also, there was substantial hail damage to siding of several
residences on Potash Bay Road. Based on size of the holes on
siding and eye witness accounts, it was likely hail size was 1 to
1.5 inch in diameter accelerated by 80 mph winds.

Remember, severe thunderstorm can do as much damage as an EF-0 or
EF-1 tornado and generally have a larger areal extent.

If you have any further questions, please contact NWS Burlington.



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