The India Meteorological Department (IMD) has issued an 'orange' alert for heavy to very heavy rainfall in nine districts of Uttarakhand for Tuesday, while a 'yellow' alert has been sounded for the remaining districts, with officials instructed to remain vigilant to prevent major disruptions in view of the forecast.

An 'orange' alert has been issued for Uttarkashi, Dehradun, Tehri, Rudraprayag, Chamoli, Udham Singh Nagar, Bageshwar, Pithoragarh and Nainital districts, forecasting heavy to very heavy rainfall in some areas.

There is likelihood of thunderstorms and intense spells of rainfall in these districts, the weather office said.

A 'yellow' alert has been issued for the remaining districts of the state, with a possibility of heavy rainfall in isolated areas.

Officials said in view of the alerts, district administrations have been instructed to remain vigilant and exercise caution.

According to IMD's colour-coded weather warning system, a "yellow alert" indicates worsening weather, and advises citizens to stay updated on the developing condition. It upgrades to an "orange alert" when severe weather is imminent, and cautions citizens of significant disruptions to transport and power, among others.

Various parts of the state witnessed rains on Monday, with Dangoli recording maximum rainfall of 65 mm, followed by Berinag (41.5 mm), Ghat (41 mm), Song (40 mm), Bastia (37 mm), Haldwani (35 mm), Almora (33.5 mm), Jakholi (32 mm), and Tanakpur (28 mm).