Sri Lanka, March 7 -- The Department of Meteorology has issued a warm weather advisory for residents of Sabaragamuwa, North-Western, and North-Central provinces, as well as Colombo, Gampaha, Vavuniya, Mannar, Hambantota, and Monaragala districts.

Issued at 3.30 p.m. today, the advisory is valid for tomorrow (08).

The heat index - the temperature as felt by the human body - is likely to reach the "Caution" level in some areas of Sabaragamuwa, North-Western, and North-Central provinces. In Colombo, Gampaha, Vavuniya, Mannar, Hambantota, and Monaragala districts, the heat index is also expected to reach the same level.

The Heat Index Forecast is calculated by using relative humidity and maximum temperature and this is the condition that i...