Exceptional deficits throughout Africa will persist in northwestern, northern, and central countries. Surpluses will remain along the Sahel.
Exceptional deficits will remain throughout the Amazon and the Boliviarian Nations. Similar deficits will occur in northeastern coastal regions of Brazil, in Argentina, and in Chile.
The forecast for November 2024 expects significant water deficits for the 12-month period of August 2024 through July 2025 in northern South America, Canada, northwestern and eastern China, and northern to central Africa. Areas expected to experience surplus include central Africa, South Asia, and Central America.
With the release of WSIM v3 and 8 years of additional data, we reevaluate drought risk in the Amazon and the historic drought that continue to affect the region.
The forecast indicates that extreme to exceptional surpluses in northern Australia will diminish, though will still remain present in some regions of Northern Territory. Exceptional deficits across the continent will similarly dissipate, though severe deficits are expected along the southern coast of Victoria.
The forecast through April indicates that, while exceptional water deficits in Gujarat and in the south will downgrade, widespread deficits of varying intensity are forecast in western and southern India. Surpluses will re-emerge in Uttar Pradesh in the western Gangetic Plain. Other regions with surpluses include Mizoram (India), Bangladesh, Nepal, rivers in northern Pakistan, and around Kabul, Afghanistan.
The forecast through March indicates intense water deficits in western and southern India with exceptional deficits in Gujarat and Karnataka. Surpluses are forecast for Uttar Pradesh into western Nepal, and in Himachal Pradesh, Punjab, and Jammu and Kashmir. Exceptional deficits are forecast in southeastern Pakistan, moderate deficits in the southwest, and surpluses in the northeast. Surpluses are expected in Bangladesh and will be exceptional in Chittagong Division reaching into Mizoram, India.
Regions forecast to have significant water deficits for the 12-month period from October 2018 through September 2019 include: Quebec (Canada), Finland, Venezuela, Somalia, South Africa, India, Thailand, Cambodia, and Australia. Areas with a forecast of significant water surplus include: Texas (US), Paraguay, Uruguay, Tanzania, and China. This Watch List is based on ISciences Water Security Indicator Model (WSIM) run on 1 February 2019.
Through February, exceptional water deficits are forecast in India from Gujarat through Maharashtra and Karnataka, and deficits of varying severity in many regions south of the Gangetic Plain and to the west in Rajasthan. In Pakistan, isolated intense deficits are possible in Karachi. Moderate deficits are forecast in northern Afghanistan, but conditions may be intense northeast of Kabul and along the Harirud River in the west. In Bangladesh, exceptional surpluses are forecast in Chittagong.
Regions forecast to have significant water deficits for the 12-month period from September 2018 through August 2019 include: Quebec (Canada), Chile, Finland, Albania, northern Africa, India, western Cambodia, and southeastern Australia. Areas with a forecast of significant water surplus include: Texas and Pennsylvania (US), Paraguay, western Tanzania, Tomsk and Kemerovo (Russia), and Heilongjiang (China). This Watch List is based on ISciences Water Security Indicator Model (WSIM) run on 7 December 2018.
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