Weather or Not

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Across
  1. 3. Visibiity between 1,000 m and 2 NM
  2. 5. System of stable conditions and good weather
  3. 7. More than force 12
  4. 8. A device for measuring pressure
  5. 10. A warm and cold front
  6. 11. A curse for navigation
  7. 12. The unit for pressure
  8. 14. Rainy Cloud
  9. 16. The force of wind at which spindrift forms
  10. 17. The unit for wind speed
  11. 19. The wind direction changing clockwise
Down
  1. 1. Sea Condition with wave height of 1.25 to 2.5 metres
  2. 2. The area east of Rockall
  3. 4. Device for measuring wind speed
  4. 6. Big word for rain
  5. 9. A fluffy type of mid level cloud
  6. 11. The zone between 2 sets of air
  7. 13. the area north of Rockall
  8. 15. wind direction changing anti-clockwise
  9. 18. Between 6 and 12 hours