Destroyed Barns near Smiths Falls - August 29, 2018

[Hurricane Mike]

Environment Canada looked into the two barns that were destroyed near Smiths Falls on Wednesday, August 29, 2018 and determined the culprit to be a downburst with estimated winds of up to 170km/h. Below is the summary from EC as posted on Thursday, August 30, 2018.

Weather summary
for Ontario and the National Capital Region
issued by Environment Canada
at 4:54 p.m. EDT Thursday 30 August 2018.

Discussion.

Ontario Storm Prediction Centre has concluded that a downburst
occurred on August 29th in Eastern Ontario.

The following is a summary of weather event information received by
Environment and Climate Change Canada.

Location:

Approximately 10 km north of Smiths Falls

Event description:

A severe thunderstorm produced damaging winds at around 1:00 P.M.
just north of Smiths Falls on Wednesday, August 29th. The wind
damage affected an area with a diameter of approximately 500 metres.
Based on the damage survey conducted by engineers from Western
University, the maximum wind speed was estimated at 170 kilometres
per hour.

Damage reports include:

Two demolished barns

Tree damage

If anyone experienced significant damage from Wednesday's storms, it
can be reported through an email to or tweet
reports using #onstorm.

Please note that this summary may contain preliminary or unofficial
information and does not constitute a complete or final report.

End/OSPC