Early warning
- For agromet services, the IMD has been issuing rainfall, maximum and minimum temperature, relative humidity, surface wind, and cloud cover forecasts with a five-day lead time at the district level. By using rainfall, evapotranspiration, soil moisture data from agromet observatories, forecast are available for country-wide weekly drought outlook; weekly, bi-weekly and monthly aridity maps through the monsoon season. Similarly, using temperature, particularly maximums and minimums from different weather stations, IMD is providing country-wide heatwave warning bulletin (five-day lead time).
- India Meteorological Department uses 4 coded warning system.Green means no advisory is needed. Yellow weather warning is issued to make people aware of the possibility of severe bad weather over the next few days and could affect people. It is issued to make people plan for their activities.
- Amber/Orange
warning is issued to make people prepare for an increased likelihood of
severely or extremely bad weather. People should change their plan, protect
themselves and their communities from the bad weather. A red warning is issued
when extremely bad weather.