It takes more than just a trough of low pressure to develop an Alberta Clipper or Colorado Low, which are the biggest winter storms in Manitoba. It also takes humidity, temperature changes and a host of other variables coming into play.
It takes more than just a trough of low pressure to kick up a memorable winter storm
Manitobans viscerally feel the impacts of snowfall, chilling winds and the occasional polar vortex, but the source of those local winter weather patterns can come from far away
A weak La Niña is in play again this winter, but its effects aren’t clear