1. Jet stream formed over West Asia blows towards east and affects West Asian countries, North-East India, Pakistan and Afghanistan.
2. The dust storm accompanying these disturbances leave its effect up to Bangladesh.
3. This often creates disturbances in the pleasant winter weather of North India.
4. Very high mountains receive snowfall and to the Ravi crop. This may cause unseasonal rain, locally known as ‘Mavthu’ in Gujarat which may damage crops.