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The Canadian weather radar network consists of 33 weather radars spanning Canada's most populated regions. Their primary purpose is the early detection of precipitation, its motion and the threat it poses to life and property. Each had until 2018 a range of 256 km (159 mi) in radius around the site to detect reflectivity, 3 angles with a range ...
The city has a humid continental climate with wide temperature contrasts between winter and summer, and greater precipitation in summer. Mean January temperature is −16.4 °C (2.5 °F), and mean July temperature is 19.7 °C (67.5 °F). Average annual precipitation is 521.1 mm (20.52 in); snow falls on 53 days and lies on 132 days in an ...
In April 2019, Environment commissioner Julie Gelfand described the country's lack of progress in reducing emissions as "disturbing" and noted that it was on track to miss its climate change targets. [66] In 2019, Environment and Climate Change Canada (ECCC) released a report called Canada's Changing Climate Report (CCCR).
In 1971, the weather service was moved to Environment Canada, a new Federal Department. The Weather Centrals became "Weather Centres". The newly renamed Prairie Weather Centre (PrWC) still operated out of Winnipeg and its area of responsibility was the provinces of Saskatchewan and Manitoba and Northwestern Ontario.
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Canada ranks as the second country in the world with the most tornadoes per year, after the United States of America. Of the average 60 confirmed tornadoes each year, Alberta and Saskatchewan both average between 14 and 18 tornadoes per season, followed by Manitoba and Ontario with normally between 8 and 14 tornadoes per season.
Fort Qu'Appelle, Saskatchewan, and Greenwood, British Columbia. 42.2 °C (108 °F) Rocky Mountain House, Alberta. −53.3 °C (−64 °F) 1928. Lillooet, British Columbia and Greenwood, British Columbia. 41.7 °C (107 °F) Vanderhoof, British Columbia & Fort Vermilion, Alberta.
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.