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India launches flash flood guidance services for South Asia

Topics Covered: Disaster management.

India launches flash flood guidance services for South Asia:


Context:

India has launched first of its kind Flash Flood Guidance services for India and other South Asian countries — Bangladesh, Bhutan, Nepal, and Sri Lanka.

  • Under this, IMD will issue impact-based forecasting at the watershed and also city level, of floods which are very sudden and of short duration.

About the Flash Flood Guidance:

It is a robust system designed by the India Meteorological Department (IMD) to provide the necessary products in real-time to support the development of warnings for flash floods about 6-12 hours in advance at the watershed level with a resolution of 4kmx4km for the Flash Flood prone South Asian countries — India, Nepal, Bhutan, Bangladesh, and Sri Lanka.

Why IMD?

Recognizing that flash floods have a particularly disastrous impact on lives and properties of the affected populations, the Fifteenth WMO Congress had approved the implementation of a Flash Flood Guidance System (FFGS) project with global coverage.

This was developed by the WMO Commission for Hydrology jointly with some others.

  • Further, WMO has entrusted India with the responsibility of Regional Centre of South Asia Flash Flood Guidance System for coordination, development, and its implementation.

What are Flash floods?

They are highly localized events of short duration with a very high peak and usually have less than six hours between the occurrence of the rainfall and peak flood.

Sources: PIB.