Barrie tornado
On Friday, May 31, 1985, a short-lived, but devastating and violent F4 tornado affected the City of Barrie, Ontario, Canada. The tornado was part of a larger outbreak that spanned both the preceding and the following day. The outbreak spawned several long-lived, cyclic, tornado-producing supercells over portions of Eastern Canada and the Great Lakes region of the Midwestern and Northeastern United States, one of which eventually generated the tornado.
What was the Barrie tornado?
The Barrie tornado was a violent, short-lived F4 event that struck Barrie, Ontario, on May 31, 1985. It formed as part of a significant tornado outbreak affecting the Great Lakes region. The funnel developed in southern Simcoe County before tracking into the city limits on a Friday afternoon. Although the path remained relatively short, the storm caused significant destruction to residential and industrial areas. It stands as one of the most prolific tornado-producing events in Canadian history.
What was the Barrie tornado wind speed?
The provided meteorological data and summary do not explicitly state a measured maximum wind speed for the Barrie tornado. Damage indicators, such as the total leveling of homes and the twisting of steel I-beams at industrial facilities, indicate the high intensity of the winds involved. The event received an F4 rating on the Fujita scale, which corresponds to extreme wind speeds capable of causing devastating structural damage. Official reports focused on the damage results rather than specific numerical wind velocity readings.
What was the Barrie tornado path?
The tornado touched down in southern Simcoe County within Essa Township. It traveled east-northeast for a distance of less than 10 kilometres, which is approximately 6.2 miles. The vortex entered the southern section of Barrie shortly before 5:00 p.m. before moving through the Allandale subdivision. It eventually crossed the city toward Kempenfelt Bay, where it transitioned into a waterspout before dissipating. The total path length remained under 6.2 miles throughout the duration of the event.
How many people died in the Barrie tornado?
The event caused 8 confirmed fatalities and left 155 people injured within the City of Barrie. Unofficial estimates of the casualties ranged as high as 12 deaths and 281 injuries. Many of the fatalities occurred in homes without basements, where residents suffered head and chest trauma from flying debris. One individual died at an industrial facility, and another person perished after being sucked out of a car. A boy also lost his life while attempting to bicycle home.
What did the Barrie tornado destroy?
The storm obliterated a pine tree plantation and destroyed approximately 300 homes across Barrie. It heavily damaged the Molson Park industrial complex, where steel I-beams twisted violently and debris embedded into concrete walls. The funnel also wrecked the Barrie Racetrack grandstand and several nearby barns. Four warehouses near Highway 11 sustained catastrophic damage, while over 30 boats at the Brentwood Marina ended up in Lake Simcoe. Several vehicles on Highway 400 sustained heavy damage after the wind tossed them into ditches.
What caused the Barrie tornado?
An intense low-pressure system of 984 mb over Michigan drove a cold front through the Great Lakes region, creating favorable atmospheric conditions. Very warm and moist air advected into the area, resulting in temperatures between 80 and 87 degrees Fahrenheit. Lake-breeze convergence likely provided the necessary lift for two severe thunderstorms to develop over Ontario. These storms grew into high-precipitation supercells, which produced the tornado family that included the Barrie event. Copious moisture levels helped the storms intensify rapidly into violent producers.
What happened after the Barrie tornado?
A power outage occurred at approximately 4:00 p.m. EDT, which fortuitously resulted in many residents leaving work before the tornado hit the city. This event reduced the potential death toll, as many employees were already off-site when the storm struck. The damage left hundreds of people unemployed following the destruction of the local industrial complex. Approximately one-third of the 605 homes located in the path of the storm were rendered uninhabitable. Authorities later identified significant debris from the city floating in Kempenfelt Bay.
Barrie Tornado Track
The mapped ground track below shows the surveyed touchdown point, damage corridor, and dissipation coordinates recorded by NWS field crews. The Barrie tornado traveled Under 10 kilometres across Essa Township, Barrie, Ontario. Coordinates are derived from the official SPC historical tornado database.
What was the Fujita scale rating of the Barrie tornado?
The Barrie tornado reached a peak intensity of F4.
How many homes were destroyed in the 1985 Barrie tornado?
The storm damaged or destroyed as many as 300 homes in the city.
Did the Barrie tornado happen on a Friday?
Yes, the Barrie tornado occurred on Friday, May 31, 1985.
What time did the Barrie tornado hit?
The tornado entered the southern part of Barrie shortly before 5:00 p.m. EDT.