Bhubaneswar, June 12: The formation of a low-pressure area over Northwest Bay of Bengal and adjoining Odisha and Gangetic West Bengal coasts under the influence of a cyclonic circulation over Northwest Bay of Bengal will trigger widespread rainfall activity till June 14.

It is likely to become more marked during subsequent 24 hours and move west­northwestwards across Odisha.

IMD has issued red warning (extremely heavy rainfall) for the districts of Sambalpur, Sonepur, Balangir, Boudh, Bargarh and Angul districts.

Heavy to very heavy rainfall very likely to occur at a few places over the districts of Malkangiri, Koraput, Nabarangpur, Kalahandi, Nuapada, Dhenkanal, Cuttack and Deogarh districts.

While light to moderate thunderstorm with Llghtning and light rain likely to affect some parts of districts of Jharsuguda, Sundergarh, Keonjhar, Mayurbhanj, Balasore, Bhadrak, Jajpur, Kendrapara, Jagatsinghpur, Khordha, Puri, Nayagarh, Gajapati, Ganjam, Rayagada and Kandhamal districts.