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Wind and Air: Name the Wind

Distinguish the source direction of wind from the direction it travels.

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Wind is moving air. Weather reports name wind for where it comes from. A west wind blows toward east. A vane indicates source direction; an anemometer measures speed. A windsock extends downwind.

Worked example

If an arrow shows air moving from north toward south, call it a north wind. The name tells you from, not toward.

An arrow shows air traveling from west toward east. Weather reports call this a west wind because its source direction is west.
An arrow shows air traveling from west toward east. Weather reports call this a west wind because its source direction is west.
Question 1 Air moves from west toward east. What is its name?
Question 2 A north wind travels toward which direction?
Question 3 Which tool measures wind speed?
Question 4 Which tool indicates where wind comes from?
Question 5 A windsock stretches east. Where is the air coming from?