Guwahati, July 30 -- The India Meteorological Department (IMD) has forecast heavy to very heavy rainfall accompanied by thunderstorms at isolated places across Assam and neighbouring states from July 30 to August 1, prompting the Assam State Disaster Management Authority (ASDMA) to urge people to remain vigilant.

Heavy to very heavy rainfall has been forecast over parts of Arunachal Pradesh, including East Siang, Lohit, Namsai, Longding, Papumpare, Lower Subansiri and Lower Dibang Valley, which may affect the adjoining Assam districts of Tinsukia, Dhemaji and Lakhimpur.

An orange alert has been issued for Tinsukia district. Orange alerts have also been issued for Mon, Mokokchung and Wokha districts of Nagaland, which may affect the neig...