226 catalogue entries found

Formats: PDF
Domain / Topic: Climatology Meteorology Atmosphere

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  • Catalogue Entry: Glacier Retreat

    Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows the successive stages in the retreat of the last ice sheet in North America in respect to...
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  • Catalogue Entry: Typical Weather Situations

    Contained within the 3rd Edition (1957) of the Atlas of Canada is a map that shows the typical weather situations by means of four surface weather maps: for February 18th, circa...
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  • Catalogue Entry: Climatic Regions

    Contained within 3rd Edition (1957) of the Atlas of Canada is a map that shows the division of Canada into climatic regions according to the classification of the climates of...
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  • Catalogue Entry: Humidity and Fog

    Contained within the 3rd Edition (1957) of the Atlas of Canada is six maps that show the humidity and fog occurrences across Canada. Two maps on the top that show the mean...
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  • Catalogue Entry: Snow Cover

    Contained within the 3rd Edition (1957) of the Atlas of Canada is a map that shows the snow cover data, referring primarily to the presence and total depth of a snow cover on...
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  • Catalogue Entry: Seasonal Precipitation

    Contained within the 3rd Edition (1957) of the Atlas of Canada is a plate that shows four maps of the mean precipitation for spring (March to May), summer (June to August), fall...
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  • Catalogue Entry: Precipitation Days and Precipitation Variability

    Contained within the 3rd Edition (1957) of the Atlas of Canada is a plate with three maps that show the mean annual number of days with measurable precipitation, the mean annual...
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  • Catalogue Entry: Mean Annual Total Precipitation

    Contained within the 3rd Edition (1957) of the Atlas of Canada is a plate that shows two maps for the annual total precipitation. Annual precipitation is defined as the sum of...
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  • Catalogue Entry: Growing Seasons

    Contained within the 3rd Edition (1957) of the Atlas of Canada is a plate that shows four maps of certain climatic aspects of the growing seasons. The first map shows the mean...
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  • Catalogue Entry: Frost

    Contained within the 3rd Edition (1957) of the Atlas of Canada is a plate that consists of three maps based on the occurrence of a temperature of 32 degrees F (0 degrees C) or...
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  • Catalogue Entry: Temperature Ranges

    Contained within the 3rd Edition (1957) of the Atlas of Canada is a plate that shows six maps of the Canadian ranges in temperature. The map entitled Mean Annual Maximum...
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  • Catalogue Entry: Seasonal Temperatures

    Contained within the 3rd Edition (1957) of the Atlas of Canada is a plate that shows four maps of the mean daily temperatures for January, April, July and October averaged over...
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  • Catalogue Entry: Wind and Sunshine

    Contained within the 3rd Edition (1957) of the Atlas of Canada is a plate consisting of four maps, two showing wind and two showing sunshine. On the wind maps, the percentage...
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    • JPEG
    • PDF
  • Catalogue Entry: Atmospheric Pressure

    Contained within the 3rd Edition (1957) of the Atlas of Canada is a plate that shows four maps, one for each of January, April, July and October showing mean sea-level pressure...
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    • PDF
  • Catalogue Entry: Average Possible Hours of Sunshine in Summer Months, Temperature

    Contained within the 2nd Edition (1915) of the Atlas of Canada is a plate that shows 9 maps. Four maps show the average possible hours of sunshine for Canada in the summer...
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    • PDF
  • Catalogue Entry: Isotherms for Summer and Year, Rainfall, Snowfall and Isobars

    Contained within the 2nd Edition (1915) of the Atlas of Canada is a plate comprised of 11 maps. The two maps at the top of the plate show isothermal lines for summer and for the...
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  • Catalogue Entry: Isotherms for Months of Year

    Contained within the 2nd Edition (1915) of the Atlas of Canada is a plate comprised of 12 maps of isothermal lines. One map for each month of the year. These lines are drawn at...
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  • Catalogue Entry: Sunshine and Temperature

    Contained within the 1st Edition (1906) of the Atlas of Canada is a plate that shows 9 maps. Four maps show the average possible hours of sunshine for Canada in the summer...
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    • JPEG
    • PDF
  • Catalogue Entry: Canadian National Tornado Database: Verified Events (1980-2009) - Public

    A database of verified tornado occurrences across Canada has been created covering the 30-year period from 1980 to 2009. The data are stored in a Microsoft Excel spreadsheet,...
  • Catalogue Entry: Ice freeze days (herbaceous crops) during non-growing season (<-5°C)

    The number of days in the forecast period with a minimum temperature below the frost temperature, -5°C for herbaceous crops over the non-growing season (ifd_herb_nogrow). Week 1...
      File available for download in the following formats:
    • PDF
    • GeoTIF
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