Space-captured lake-effect snow on the Ontario coast
Snowfall in Ontario on Tuesday was extremely contrasted with no snowfall in other parts of the province.
Satellite images captured the dramatic snowstorm across southern Ontario on Tuesday.
In contrast, regions just upwind of Lake Huron have been completely untouched while those just next to them have been painted in thick white coats.
Approximately 20 kilometers east of Sarnia, Ont., is a cutoff that exposes fields coated in white to bare ground in just a few kilometers.
During the Winter, Thunderstorms Occur
It is important to keep in mind how snow squalls, or thunderstorms of winter, are convective storms that can deliver more than 140 cm of snow, as seen over the past few days.
During a convection engine, temperature differences between cold air and warm air are generated.
Twenty kilometers from Sarnia, a distinct snow boundary carved through the landscape can be seen. Due to their meandering nature, these squalls change directions quickly, catching drivers off guard.
Read Also: Snow forecast for Southern Ontario on Wednesday with up to 20cm; Snowbelt region could see 50cm
For now, GTA is About the Have-Nots
This lake effect has created largely snow-free conditions in the Greater Toronto Area (GTA), though that will change on Wednesday.
As a result of a clipper system, more snow is expected to be brought to more locations.
Snowfall in the area is similar to that of a clipper, which typically brings heavier, but more widespread accumulations.
Read Also: Midwestern and Northeastern regions will be hit with a Canadian storm and an Arctic blast