Storms of Ontario, Canada Storms of Ontario, Canada Stacked Shelf Lake Erie 204075292 Lightning Over Grimsby Ontario 204075293 Power of Lake Ontario 204075294 Tornado East of Arthur 204075295 Lightning Lit Gust Front Lake Erie 204075310 Mildmay Tornadic Supercell 204075312 Mitchells Baby Supercell 204075314 Sunset Under a Stacked Shelf 204075316 Triple Strike 204075357 Whale's Mouth Over the Farm This part of the storm is the area behind the shelf cloud. This is where the cold air from the storm is sinking and meeting the warm air in front of the storm leading to turbulent skies like this. 204075359