- Western disturbances are storms that originate in the Caspian or Mediterranean Sea, and bring non-monsoonal rainfall to northwest India, according to the India Meteorological Department (IMD).
- A Western Disturbance, labelled as an extra-tropical storm originating in the Mediterranean, is an area of low pressure that brings sudden showers, snow and fog in northwest India.
- The disturbance travels from the “western” to the eastern direction.
- These travel eastwards on high-altitude westerly jet streams – massive ribbons of fast winds traversing the earth from west to east.
- They gradually travel across the middle-east from Iran, Afghanistan and Pakistan to enter the Indian sub-continent.
- Disturbance means an area of “disturbed” or reduced air pressure.
- Equilibrium exists in nature due to which the air in a region tries to normalise its pressure.
Western Disturbances
In this article we will discuss Western Disturbances
