tropical cyclone

tropical cyclone
  a severe low pressure weather system which develops over tropical maritime areas. A steep pressure gradient and the central uplift draws in high speed winds which spiral towards the central area. Uplift causes cooling to the dew point, releasing latent heat and maintaining the uplift, drawing in fresh winds. Brings heavy rainfall to coastal areas. At the end of summer, can develop into larger, more severe systems such as typhoons and hurricanes.

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