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Peel Region topographic map
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Peel Region
The region's climate are influenced by various air masses and weather systems from other locations, proximity to Lake Ontario, topography and elevation (e.g. Niagara Escarpment, and Oak Ridges Moraine), and urban and rural land uses. The air masses and weather systems are the major factors in influencing the climate of the region. Being located in Southern Ontario, it is located between the Arctic, subtropics, and the Atlantic Ocean; consequentially, it is impacted by air masses from different origins. In general, the air masses that affect the region are continental polar, continental arctic, maritime polar, and occasionally continental tropical air masses in summer. During winter, cold and dry air masses predominate (continental arctic and maritime polar) although warmer, moister air masses may move north during this time, leading to milder temperatures and potential for heavy snowfall/freezing rain/rainfall. The most severe snow and freezing rain events occur when warmer, moister air masses move northward to the region and meet colder air. During winter, a common type of storm is known as the "Alberta Clipper" which affects the region in which moist Pacific air moves east of the Rocky Mountains to the region, bringing snow that is often followed by the influx of cold continental air afterwards (leads to colder temperatures). Spring and autumn are characterized by variable weather and rapid alternating air masses. This leads to frequent cloudy conditions, rain, and occasional thunderstorms. In summer, the air masses that influence the region are predominantly maritime polar air masses from the Pacific Ocean, and tropical air masses from the Gulf of Mexico, the latter being responsible for bringing heat waves, high humidity, and intense rainfall events. Towards late summer and early autumn, the remnants of tropical storms and hurricanes may bring strong winds and heavy rainfalls to the area. During autumn, Arctic air masses become increasingly common, leading to colder conditions.
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About this map
Name: Peel Region topographic map, elevation, terrain.
Location: Peel Region, Golden Horseshoe, Ontario, Canada (43.47899 -80.14426 43.98975 -79.53856)
Average elevation: 265 m
Minimum elevation: 70 m
Maximum elevation: 515 m
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