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Average trajectory of a clipper. An Alberta clipper, also known as an Alberta low, Alberta cyclone, Alberta lee cyclone, Canadian clipper, or simply clipper, is a fast-moving low-pressure system that originates in or near the Canadian province of Alberta just east of the Rocky Mountains and tracks east-southeastward across southern Canada and the northern United States to the North Atlantic Ocean.
Residents of the Midwest, Plains, Great Lakes and Northeast may have heard of the term "Alberta clipper" when a winter storm is rolling through the region, but what is the meteorology behind the term?
An additional radar will be installed in the Lower Athabasca region in Alberta. In June 2021, to ensure continuity of radar coverage in some areas while radars are being replaced, several of the radars had their ranges extended to 400 km (250 mi) in the lowest angle of reflectivity data.
At 1115 PM CDT, a confirmed large and extremely dangerous tornado was located over Darien, or over far east Woodridge, moving east at 45 mph. Radar confirms debris with this tornado moving over populated areas. This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW! HAZARD...Damaging tornado. SOURCE...Radar confirmed tornado.
Described by Weather.com as "a powerful low-pressure system," a storm is deemed a bomb cyclone when pressures drop rapidly enough in 24 hours to indicate a storm is intensifying quickly. In this ...
Get the Alberta, AB local weather forecast by the hour and the next 10 days. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways ...
Heavy rain (Alberta to Southern Quebec: 50 mm (2.0 in) or more per hour. Pacific, Northern and Maritime provinces: 25 mm (0.98 in) per hour) Severe Thunderstorm Warning (SVR) – Issued when a severe thunderstorm is detected on radar or are observed by those in the immediate area. A warning is issued when one or more of the following has been ...
The cone represents the probable position of a tropical cyclone's circulation center, and is made by drawing a set of circles centered at each forecast point—12, 24, 36, 48, and 72 hours for a three-day forecast, as well as 96 and 120 hours for a five-day forecast. The radius of each circle is equal to encompass two-thirds of the historical ...