Across
- 4. when water falls from the sky
- 6. the international unit for measureing air pressure
- 7. the technical name for a weather map
- 9. lines on a weather map that join points of equal air pressure
- 10. when warm air invades an area of cold air
- 11. the nautical unit for meauring speed
Down
- 1. a symbol used on weather maps to show wind speed and direction
- 2. weather systems that cause air to sink and move outward
- 3. weather systems that move clockwise int he soutehrn hemisphere and are caused by cooler temperatures
- 5. in the northern hemisphere weather systems spin the ___________ direction compared to the southern hemisphere
- 8. when cold air invades an area with warm air