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South Asia: Water surpluses to persist in Pakistan & Afghanistan

South Asia: Water surpluses to persist in Pakistan & Afghanistan

The forecast through August indicates that water surpluses will shrink in India, leaving a broad path from Gujarat into the Gangetic Plain. Surpluses will moderate in Bangladesh, but remain widespread and intense in Pakistan and Afghanistan. Conditions in Tamil Nadu will normalize from prior deficit.

South Asia: Widespread water surplus will persist

South Asia: Widespread water surplus will persist

Widespread water surpluses are forecast to persist through May in India, Bangladesh, Nepal, northern Pakistan and along rivers, and eastern Afghanistan. Anomalies will be exceptional in several regions including along the Ganges, from Mumbai into Karnataka, and central Madhya Pradesh.

South Asia: Widespread water surpluses to persist in India & Bangladesh

South Asia: Widespread water surpluses to persist in India & Bangladesh

The forecast through March 2020 indicates that water surpluses of varying intensity will continue to dominate the breadth of India with intense anomalies in central Rajasthan, Madhya Pradesh, western Maharashtra, south-central Karnataka, central Chhattisgarh, and the Far East. Surpluses are also forecast for Bangladesh, Nepal, Bhutan, Sri Lanka, rivers in Pakistan, and central Afghanistan.

South Asia: Widespread water surpluses will persist

South Asia: Widespread water surpluses will persist

Through January 2020 surpluses are forecast for much of the region including exceptional anomalies in India from Mumbai into Kerala, the Narmada River Basin, and central Rajasthan. Surpluses will remain intense throughout Bangladesh and will increase in Afghanistan, with exceptional anomalies forecast in the Upper Helmand River Watershed and around Mazar-e Sharif.

South Asia: Water surpluses forecast to emerge in Afghanistan

South Asia: Water surpluses forecast to emerge in Afghanistan

The forecast through May indicates that exceptional water deficits will shrink in southern India but are expected along the Tungabhadra River through Karnataka and in northern Kerala. Moderate deficits are forecast from Gujarat to Andhra Pradesh, and more intense pockets in Madhya Pradesh. Areas of surplus include northern India and the Gangetic Plain, Bangladesh, Nepal, northern Pakistan and the Indus River system, and Afghanistan.

Many analyses reported in ISciences-authored blog posts are based on data generated by the ISciences Water Security Indicator Model (WSIM). Other sources, if used, are referenced in footnotes accompanying individual posts. WSIM is a validated capability that produces monthly reports on current and forecast global freshwater surpluses and deficits with lead times of 1-9 months at 0.25°x0.25° resolution. This capability has been in continuous operation since April 2011 and has proven to provide reliable forecasts of emerging water security concerns in that time-frame. WSIM has the ability to assess the impacts of water anomalies on people, agriculture, and electricity generation. Detailed data, customized visualizations, and reports are available for purchase.

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