Recent Rainfall Trends in Africa, the Middle East and India

@article{Winstanley1973RecentRT,
  title={Recent Rainfall Trends in Africa, the Middle East and India},
  author={Derek Winstanley},
  journal={Nature},
  year={1973},
  volume={243},
  pages={464-465}
}
IN the Middle East and Africa north of the Sahara the wet season extends from October to May; small amounts of rain also fall in Pakistan and north-west India at that time of year. Winter–spring rainfall in these areas is controlled primarily by divergence patterns in pressure troughs in the mid- and upper-tropospheric circumpolar westerlies. Rainfall is associated with the widespread ascent of warm, moist air from the tropics on the eastern side of the troughs, and also with deep convective… CONTINUE READING

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