The good news is that any impacts from this Clipper will be mild compared to the sub-zero temperatures and snowfall from the Christmas week winter storm. An Alberta Clipper is defined as a fast-moving low-pressure system which generally affects the central provinces of Canada as well as portions of the upper Midwest, Great Lakes and Northeastern. That permitting process was entirely disconnected from the reality of the tar sands industry. Somewhere along the way, the Enbridge pipeline system became the primary means of bringing tar sands crude to the US. The Clipper will move across the Midwest on Monday, producing a few hours of light to moderate snowfall in Louisville, Indianapolis and Columbus.īy Monday night, the system will reach the Northeast and bring a wintry mix to Erie in Pennsylvania and Syracuse in New York with temperatures in the high teens. Enbridge’s Alberta Clipper tar sands pipeline (Line 67) with little fanfare. NurPhoto via Getty Images Monday’s forecast The Clipper will dive south from Canada on Christmas Day, bringing some snow showers to the Dakotas and into portions of the Upper Midwest. The Clipper will dive south from Canada on Christmas Day, bringing some snow showers to the Dakotas and into portions of the Upper Midwest.īy Sunday evening, the system will bring snow showers down into Kansas City and St. The highest snow totals are forecast in the Dakotas, southwestern Minnesota and down to Illinois, where 3 to 5 inches are possible through Tuesday. The FOX Forecast Center is forecasting only a few inches or less of snow due to the system’s lack of moisture and fast movement. This system is forecast to bring only a few inches or less of snow, but the Clipper will slide across many areas just hit hard by the Christmas week blizzard, which brought dangerous snow, high winds, bitter cold and disruptive ice to most of the country. This type of system typically brings snow to the Northeast, Great Lakes and Midwest. An Alberta Clipper is a type of low pressure system consisting of light snow showers and wind speeds up to 45 mph. before making its way to the Northeast by early next week.Īn Alberta Clipper is a quick-moving weather system from western Canada that sweeps across northern sections of the country. The northwest flow is often the result of a strong positive Pacific North American (+PNA) weather pattern.A weak Alberta Clipper system will dive out of Canada on Christmas Day, moving across the northern tier of the U.S. If these features are further west, more of the country is impacted by the clippers, or if further east, the clipper’s influence may be limited to the Great Lakes and Northeast. Exactly how far east or west the upper level ridges and troughs are located determines the track of the clippers descending into the U.S. An Alberta clipper is expected to take a snowy swing at the Midwest and Great Lakes this week and it could precede an even bigger storm system in the Northeast, AccuWeather meteorologists say. ![]() This produces a strong jet stream flowing south and southeast into the U.S, and is called a northwest flow. Alberta Clipper Tar Sand Oil Pipeline Expansion in Minnesota Read More. The upper level pattern required to produce these systems will have an upper level ridge of warm air aloft over the northeast Pacific and far western North America and a low pressure trough and cold air aloft over the central and eastern U.S. ![]() ![]() They originate in the Alberta province of Canada and dive southeast into the central U.S. These are called “Clippers” as they are usually very fast moving and can follow one after another. Alberta Clippers are low pressure areas seen frequently in winter, although they can occur anytime from mid October to March.
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