Context:
According to the India Meteorological Department (IMD), the landfall process of Cyclone Biparjoy started near Jakhau port in Gujarat.
About Landfall of Cyclone:
- Landfall is the event of a tropical cyclone coming onto land after being over water.
- As per the IMD, a tropical cyclone is said to have made a landfall when the center of the storm – or its eye – moves over the coast.
- Landfalls can last for a few hours, with their exact duration depending on the speed of the winds and the size of the storm system.
- Cyclones lose their intensity once they move over land because of sharp reduction of moisture supply and increase in surface friction.
- This means that while landfalls are often the most devastating moments of cyclones, they also mark the beginning of its end.
- The damage caused by the landfall will depend on the severity of the cyclone – marked by the speed of its winds.
- For Cyclone Biparjoy, classified by the IMD as a “very severe cyclonic storm”, the impact may include:
- Extensive damage to kutcha houses
- Partial disruption of power and communication lines
- Minor disruption of rail and road traffic
- Potential threat from flying debris
- Flooding of escape routes.
- The factors behind damage during landfall of cyclone include extremely strong winds, heavy rainfall and the storm surge which cause devastating floods in the coast.
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