Weather - Wind

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  • 1. Weather Wind
  • 2. What is wind and how is it measured? ~ Turn and Talk about what you think wind is. ~ SHARE what you came up with as a class
  • 3. What is wind and how is it measured? - NOTES Wind is moving air. Weather tools measure two properties of wind - direction and speed.
  • 4. Measuring Wind - NOTES A weather vane spins freely in the wind and points in the direction from which the wind is blowing. If a wind vane points east, the wind is blowing from the east.
  • 5. Measuring Wind - NOTES An anemometer measures wind speed - how fast the wind is blowing. * This tool has several arms that stick out from a central rod. There is a cup at the end of each arm. Wind blows into the cups and spins the anemometer. The anemometer counts how many times it spins in a given period of time. The faster the wind is blowing, the faster the anemometer spins.
  • 6. How is wind produced? Differences in air temperatures and when air moves from an area of high pressure to an area of low pressure. Storms that contain high winds are: Blizzards, Tornadoes, and Hurricanes