National Centre for Medium Range Weather Forecasting (NCMRWF) is the premier Institute in India to provide Medium Range Weather Forecasts through deterministic methods and to render Agro Advisory Services (AAS) to the farmers.
REGIONAL METEOROLOGICAL CENTRE at CHENNAI was started on 1 April 1945 to supervise and coordinate meteorological services in the Southern Region, which now covers the states of Tamilnadu, Andhra Pradesh, Karnataka, Kerala and Union Territories of Pondicherry and Lakshadweep.
Regional Meteorological Centre at Kolkata, under its parent organisation - India Meteorological Department, is presently the Eastern Region head quarter. Currently, all meteorological offices in the states of West Bengal, Orissa, Jharkhand, Bihar, Sikkim, Tripura and including Union Territories of Andaman and Nicobar Islands are under administrative control of this office.