Environmental Thematic Maps and Graphics:
Winter temperature increase greater than 5°C, northwestern Canada, 1948 to 2016

The title of this map is “Winter temperature increase greater than 5°C, northwestern Canada, 1948 to 2016.” This map provides a visual representation of the average change in winter temperature in northwestern Canada from 1948 to 2016.

On the page, there is a map of northwestern Canada displaying areas where winter temperatures have increased by more than 5 °C. At the bottom right corner of the map, there is an inset map showing the area displayed in the main map in relation to the rest of Canada. To the bottom left of the map there is a legend and a scale bar.

The legend displays three categories of temperature increase in degrees Celsius (°C): greater than or equal to 7 (brown), greater than or equal to 6 to less than 7 (red), and greater than or equal to 5 to less than 6 (orange). The legend also shows that solid grey lines define ecoprovince boundaries.

This map shows that between 1948 and 2016, a vast area in northwestern Canada, near the Yukon–Alaska border, has been subjected to an increase in winter temperature of more than 5 °C, with smaller areas experiencing increases of more than 6 °C and 7 °C.

Notes: Temperature change (1948 to 2016) refers to the linear trend of temperature departures from the 1961 to 1990 climate normal. Caution should be exercised when analyzing change results in the North because of lower climate station densities. Significance levels are not available. Winter data are from December to February.

Sources: Environment and Climate Change Canada (ECCC), Canadian Gridded Temperature and Precipitation Anomalies (CANGRD), https://open.canada.ca/data/en/dataset/3d4b68a5-13bc-48bb-ad10-801128aa6604#wb-auto-6 (accessed May 15, 2020);
ECCC, Climate Trends and Variations Bulletin, https://www.canada.ca/en/environment-climate-change/services/climate-change/science-research-data/climate-trends-variability/trends-variations.html(accessed May 15, 2020).