Nearly kilometre-wide tornado hits Gravenhurst, causes extensive damage in town
The F1 tornado at Gravenhurst, Ontario. Travelling for 15km along a path that was 900m wide, the tornado caused a swath of tree damage that was most extensive in town. There, power poles and large trees were snapped and uprooted, crashing onto and damaging houses and vehicles. The tornado occurred at about 6:30pm.
This was one of nineteen tornadoes that struck Southern and Central Ontario on August 20. The others:
- deadly and destructive F2 that struck Durham
- damaging F2 that hit The Blue Mountains
- F1 at Arnstein
- F1 that tracked between New Lowell and Edenvale
- F1 at Newmarket
- damaging F2 in the Woodbridge neighbourhood of Vaughan
- F0 at Moonstone
- damaging F2 tornado in the Maple neighbourhood of Vaughan
- F0 at Dollars Lake
- F1 at Milton
- F0 near North Bay
- F1 near Haliburton
- F0 at Redstone Lake
- F1 at Ril Lake
- F0 at Orono
- F1 at Rice Lake
- F1 that tracked from Bancroft to Carlow Mayo
- F1 at Buckshot Lake
