Cyclone Arnab has begun showing its impact in Odisha even before making landfall along the Andhra Pradesh coast. Dark clouds have covered parts of southern Odisha, while drizzle has started in Ganjam and Gajapati districts. Overcast conditions have also been reported in Rayagada, Malkangiri and Koraput. Meanwhile, Bhubaneswar is experiencing cloudy skies and cool weather as the cyclone approaches the coast.