The India Meteorological Department operates 35 manual observatories, 56 AWS, 87 ARGs, 11 Agro-AWS, and 5 Doppler radars in Tamil Nadu and Pondicherry for weather monitoring.
Perambalur Lok Sabha constituency has one AWS, two ARGs, and receives district and block-level weather services and agro-advisories.
The Ministry is continuously augmenting the observational network for better forecasting and early warning systems.