The India Meteorological Department has issued red and orange alerts from Oct 15 to 17 across Tamil Nadu, prompting a holiday for schools and work-from-home advisories for private IT firms. Heavy rains are expected due to a low-pressure area over the Bay of Bengal,

The India Meteorological Department has predicted heavy to very heavy rain in Tamil Nadu for the next few days.

Pradheep John explains the IMD's red alert for Chennai, predicting heavy rainfall due to a weather system over the Bay of Bengal.- Watch Video on English Oneindia

An orange alert has been issued for these three states, as well as Rayalaseema and Coastal Andhra Pradesh, indicating the likelihood of extremely heavy showers.

The IMD predicted scattered to fairly widespread light to moderate rainfall over Gujarat during the two days, with isolated to scattered light to moderate rainfall over the same region during the subsequent five days and isolated to scattered light to moderate rainfall over Konkan,