CURRENT AFFAIRS

Detailed explanation-1: -The Indian Meteorological Department Commissions Flash Flood Guidance Services for South Asia. India has been designated as a nodal centre for preparing flash-flood forecasts by the World Meteorological Organization (WMO).

Detailed explanation-2: -Flash floods are sudden surges in water levels during or following an intense spell of rain, occuring in a short time duration over a localised area. The flood situation worsens in the presence of choked drainage lines or encroachments obstructing the natural flow of water.

Detailed explanation-3: -Excessive or continuous rainfall over a period of days, or during particular seasons can lead to stagnation of water and cause flooding. Flash floods refer to such a situation, but occurring in a much shorter span of time. Advertisement. By: Explained Desk New Delhi | Updated: August 21, 2022 09:23 IST.

Detailed explanation-4: -Central Water Commission (CWC) provides statistical methodology (gauge to gauge correlation) based short range flood forecast. Presently, flood forecasts are issued by CWC at 332 stations (133 Inflow Forecast Stations and 199 Level Forecast Stations). Annually, about 10, 000 flood forecasts are issued by CWC.

Detailed explanation-5: -FFGS can provide warnings about 6-24 hours in advance for South Asian countries, including India, Nepal, Bhutan, Bangladesh and Sri Lanka, covering most of the Himalayan region. FFGS enables all the member countries to issue impact-based flash flood forecasts at the watershed and also at the city level.