Watch: Cyclone Arnab: What Andhra Pradesh needs to know

As Cyclone Arnab nears the Andhra Pradesh coast, authorities have stepped up evacuations, canceled train services and flights and activated cyclone shelters in vulnerable areas. Hindu Summit Bhattacharjee explains the storm’s expected landfall, the threat of heavy rain and strong winds and how Andhra Pradesh has strengthened its disaster preparedness since Cyclone Hudhud.