Weather puzzle

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