Impact Based Forecasting Approach
16, Nov 2018
Prelims level : Impact Based Forecasting Approach Mains level : Flood Monitoring using Impact Based Forecasting Approach
GS 3: Disaster Management | Disaster & disaster management
Why in news?
- A new technology has been developed by IMD to assess the rise of water level in rivers and reservoirs by rain and can help state governments to minutely monitor the impact of rainfall.
Impact Based Forecasting Approach:
- The technology shows “pre-event scenario which can help authorities in taking real-time decisions.
- With this the government can be able to generate a scenario where it can take decisions to release water or not release it.
- It will be helpful for every state authority to take a decision.
- There is another technology which would help in identifying warm ocean segments that are contributing to the rapid intensification of the systems.
Recent Kerala Floods:
- This system will help to avoid a disastrous situations similar to Kerala floods.
- The heavy downpour which had ravaged Kerala in August 2018, had caused death of around 500 people and economic damages worth over Rs 40,000 crore.
- Excessive rainfall had led to floods in Kerala and was the result of climate change.
- State Government had blamed IMD for lapses in its part for wrong rain forecast.
- IMD had forecasted estimated 98.5 mm rain in the state between 9 and 15 August, 2018 but Kerala received was 352.2 mm of rainfall resulting in severe flooding.
India Meteorological Department (IMD):
- It is the national meteorological service of the country and chief government agency dealing in everything related to meteorology, seismology and associated subjects.
- It was formed in 1975.
- It functions under Ministry of Earth Sciences.
- It is headquartered in New Delhi.