Table of Contents
Western Disturbances and India
- Western disturbances are low-pressure systems (disturbances) that flow from west to east (western winds) under the influence of the westerlies.
- Disturbances are low pressures that are formed over the Mediterranean Sea that travels over Iran, Iraq, Afghanistan, and Pakistan carrying a good amount of moisture in the winter season.
- Western disturbances emerge over the Mediterranean Sea as extra-tropical cyclones.
- These moisture-laden depressions or disturbances finally hit the Himalayas and fall over as precipitation in the form of rainfall and snowfall.
Benefits of western disturbances
- Western disturbance brings winter rainfall in India
- Western disturbance assists in agriculture
- Helps in rice and Jute cultivation in West Bengal
- Western disturbances are not associated with disasters as they are not high intensity weather systems.
Impact of Jet Stream on Indian Monsoon
- Winter Rainfall.
- Southwest monsoon
- Tropical cyclones
- Somali jet
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