Weather

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Across
  1. 3. a line on a map connecting points having same atm pressure
  2. 7. a storm or wind coming from the New England area
  3. 8. moving bright flash of electricity
  4. 12. a line on a map connecting equal wind speed
  5. 16. is produced by lightning
  6. 17. cyclone counter clockwise storm in middle latitudes
  7. 18. a rain cloud with a flat bottom
  8. 21. front when 1 air mass overtakes another air mass
Down
  1. 1. is a vortex or funnel shaped wind storm
  2. 2. imaginary line at 0 degrees latitude
  3. 4. ----simpson scale measures hurricanes
  4. 5. rain,hail,snow
  5. 6. an instrument which measures heat
  6. 9. a line on a map connecting similar temperatures
  7. 10. an instrument used to measure levels of the atm
  8. 11. 2 air masses that have collided
  9. 13. ---line band of high winds associating with cold fronts
  10. 14. is a storm with wind speeds from 35-200mph
  11. 15. is an air mass with high temperatures
  12. 19. a flat or layered cloud
  13. 20. moisture in the air that you can see
  14. 22. or imaginary line at 23.5 degrees north 'Tropic of ---"