A powerful Fall Storm tracked through Ontario Sunday and Sunday night, bringing widespread destructive winds and severe thunderstorms to southern Ontario and strong winds and wintry weather to northern Ontario.
The following is a summary of weather event information received by the Ontario Storm Prediction Centre.
- Summary of official thunderstorm wind gusts in kilometres per hour:
Niagara District Airport: 141
Port Colborne: 131
Brampton-Caledon Airport: 120
Windsor Airport: 111
Baden Hill: 105
Region of Waterloo Airport: 104
Erieau: 102
Hamilton Munro Airport: 102
Point Petre: 102
Toronto Pearson Airport: 100
Chatham-Kent Airport: 100
Toronto Billy Bishop Airport: 98
Elora: 98
Vineland: 98
Muskoka Airport: 96
Mono Centre: 94
Western Islands: 91
Ridgetown: 91
Sarnia Chris Hadfield Airport: 89
Egbert: 89
London Airport: 85
Harrow: 83
Mount Forest: 81
Peterborough Trent U: 81
Cobourg: 81
King City: 80
Widespread damage from these thunderstorms has been reported across southwestern and south-central Ontario, including snapped utility poles, downed trees, and roof damage.
- Summary of official non-thunderstorm wind gusts in kilometres per hour:
Port Colborne: 131
Baden Hill: 122
Toronto Billy Bishop Airport: 119
Region of Waterloo Airport: 117
Western Islands: 115
Point Petre: 107
Chatham-Kent Airport: 98
Cobourg: 96
Wiarton Airport: 93
Windsor Airport: 91
Erieau: 91
Lagoon City: 91
Toronto Pearson Airport: 91
Mono Centre: 91
CFB Trenton: 89
Kingston: 89
Goderich: 87
London Airport: 87
Killarney: 87
Brantford Airport: 85
Gore Bay-Manitoulin Airport: 85
Oshawa AIrport: 85
Welland: 83
Vineland: 83
Tobermory: 83
CFB Borden: 83
Harrow: 83
Ridgetown: 83
Muskoka Airport: 81
Great Duck Island: 81
Elora: 80
Niagara District Airport: 80
Sault Ste. Marie Airport: 80
Widespread damage from this synoptic wind has been reported across southwestern and south-central Ontario, including snapped utility poles and downed trees. Between the thunderstorms and synoptic winds, well over 200 000 customers lost power on Sunday across the province.
- Summary of rainfall in millimetres:
Shaw Dam Lake*: 57.7
Massey*: 40.4
Quirke Lake*: 40.3
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