Weather Maps

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Across
  1. 2. Air pressure lines on a map
  2. 4. Caused due to low pressure systems
  3. 6. Cold air mass pushing into a war air mass
  4. 7. Cool dense air sinking
  5. 9. Warm light air rising
  6. 10. when two air masses collide
  7. 12. Air pressure
Down
  1. 1. Warm air mass pushing into a cooler air mass
  2. 3. When a cold and warm air masses are pushing against each other and not moving
  3. 5. When a warm front and a cold front collide
  4. 8. Caused due to high pressure systems
  5. 11. A line of low pressure