Weather puzzle

1234567891011121314
Across
  1. 2. violently rotating column of air between a cloud and the earth.
  2. 5. tool used to measure precipitation.
  3. 7. the boundary between two unlike air masses.
  4. 8. a storm with lightning.
  5. 10. electricity caused by friction between water droplets and ice crystals within a cloud.
  6. 11. the leading edge of a cold air mass.
  7. 13. air moving over the surface of the earth.
  8. 14. body of air with similar temperature and moisture throughout.
Down
  1. 1. high water levels caused by heavy rainfall over a short time.
  2. 2. the degree of hotness and coldness.
  3. 3. the leading edge of a warm air mass.
  4. 4. tool used to measure air pressure, or barometric pressure.
  5. 6. tool used to measure wind speed.
  6. 9. tropical system of rain and winds which circles around a center of low pressure and has sustained winds of at least 74 mph.
  7. 12. the temperature at which water vapor in the air begins to condense into liquid water.