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Climate. Chapter 12. Climate vs. Weather. Weather This is the day to day “stuff” that happens outside of our window. Rain, snow, sleet, sunshine, hot, cold, windy, mild... . Climate The average conditions of a place over a long period of time. Within Canada, the climate changes.

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climate

Climate

Chapter 12

climate vs weather
Climate vs. Weather

Weather

  • This is the day to day “stuff” that happens outside of our window.
  • Rain, snow, sleet, sunshine, hot, cold, windy, mild...

Climate

  • The average conditions of a place over a long period of time.
  • Within Canada, the climate changes.
  • Where do we see different climates?
quick facts about canada s climate
Quick Facts about Canada’s Climate
  • Canada extends for a great distance from north to south.
  • Different elevations produce different climate conditions.
  • Costal regions differ from inland regions.
  • Canada’s most southern point is Pelee Island in Lake Eric at 41 degrees North.
  • Canada’s most northern point is Alert, Nunavut at 83 degrees North.
  • Yellowknife is halfway between these two points.
weather systems
Weather Systems
  • Wind is caused by changes in pressure gradient (closer the isobars = stronger the wind)
  • An isobar is an area of equal pressure on weather map.
  • Weather systems move from west to east.
  • Polar Front: the boundary between cold, dry air and warm, moist air.
  • Jet Stream: fast moving air. 300-500km/h
precipitation
Precipitation
  • Remember these 2 points:
    • Air cools as it rises
    • As air cools, water vapour condenses more than it evaporates.
canada s climate regions
Canada`s Climate Regions

There are 8 climate regions in Canada.

They are:

  • Arctic
  • Taiga
  • Cordilleran
  • Pacific maritime
  • Boreal
  • Prairie
  • South eastern
  • Atlantic maritime
climate graphs
Climate Graphs

Climate graphs are special because they show 2 different aspects of climate:

1) Average temperature by month

  • on the left side of the graph in degrees Celsius
  • represented by a line graph in red

2) Precipitation in millimetres

  • on the right side of the graph in mms.
  • represented by a bar graph in blue
climate graph rules
Climate Graph Rules

When making a climate graph you need to remember a few things.

  • Title on the top of the location
  • List the months on the y axis(January-December)
  • Degrees in C on the left side. Start with -40 at the bottom then go up to +40. You will use this side to make your line graph.
  • Precipitation in mms on the right side. Start at 0 and move up. You will use this side to make your bar graph.
assignment
Assignment
  • Check your understanding
    • 1 a, b
  • Analyze and Apply
    • 4 a
    • Create a climate graph for station B in figure 12-22
  • Think and communicate
    • 5