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Across
  1. 3. a composite front produced by occlusion.
  2. 4. Moist continental mid-latitude climates have warm to cool summers and cold winters.
  3. 5. a storm with thunder and lightning and typically also heavy rain or hail.
  4. 9. a seasonal prevailing wind in the region of South and Southeast Asia, blowing from the southwest between May and September and bringing rain
  5. 10. warm climate
  6. 13. winds that reliably blow east to west just north and south of the equator.
  7. 16. the boundary of an advancing mass of warm air, in particular the leading edge of the warm sector of a low-pressure system.
  8. 17. a body of air with horizontally uniform temperature, humidity, and pressure.
  9. 19. dry, cold prevailing winds that blow from the east.
  10. 21. the weather conditions prevailing in an area in general or over a long period.
Down
  1. 1. a mobile, destructive vortex of violently rotating winds having the appearance of a funnel-shaped cloud and advancing beneath a large storm system.
  2. 2. a weather front or transition zone between two air masses (cold and warm), when neither air mass is advancing into the other at a speed exceeding 5 knots at the ground surface.
  3. 6. an effect whereby a mass moving in a rotating system experiences a force
  4. 7. cold climate
  5. 8. the long-term warming of the planet's overall temperature
  6. 11. the transition zone where a cold air mass is replacing a warmer air mass
  7. 12. the thin sourdounding areas of the earth
  8. 14. a fast, narrow current of air flowing from west to east that encircles the globe
  9. 15. a wind blowing from the west.
  10. 18. a storm with a violent wind, in particular a tropical cyclone in the Caribbean.
  11. 20. the layer that protects us from the harmful rays of the sun