Chapter 7

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Across
  1. 1. The direction from which the wind is blowing
  2. 3. A large body of air with uniform temperature and moisture characteristics.
  3. 6. A powerful tropical cyclone with strong winds and heavy rain
  4. 12. The arrangement of high and low pressure systems that influence weather.
  5. 13. An alert issued when conditions are favorable for severe weather to develop.
  6. 14. The boundary where a colder air mass moves in
Down
  1. 2. A tropical disturbance that can develop into storms, moving from east
  2. 4. A high-pressure system typically found in mid-latitudes
  3. 5. A tropical weather system with strong winds between 39 and 73 mph,
  4. 7. A storm characterized by thunder, lightning, heavy rain, and sometimes hail.
  5. 8. The weakening or end of a storm
  6. 9. The leading edge of a warm air mass
  7. 10. A more urgent alert issued when severe weather is occurring or imminent.
  8. 11. The sound produced by the rapid expansion of air after a lightning strike.
  9. 15. A sudden electrostatic discharge between clouds or between a cloud and the ground.